See for options on how to legitimately share published articles.

Size: px
Start display at page:

Download "See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles."

Transcription

1 INDEX Downloaded via on June 15, 2018 at 06:15:49 (UTC). See for options on how to legitimately share published articles. A Absorption spectra of cellulose triacetate 241 Acetyl values 250 Acrylonitrile Air effect in wool grafting 225 Aliphatic free radicals 36 Alkyl acrylate copolymers amorphous ethylene 76 ethylene- 71 Alkyl free radicals 36 Allyl free radical growth, kinetics of the 38 Allyl free radicals 37 Allylic radicals 257, 260 Alpha and gamma radiation 17 Alpha radiation 5 Amorphous ethylene-alkyl acrylate copolymers 76 Antioxidant phenolic 142 thiobisphenolic 142 Atomic hydrogen 35 Β Beam current on creep of glassy polymer, effect of 86 Beer-Lambert law 60 Biological macromolecules, irradiation of 14 Biological material, reactivity transfer in 19 Biological systems, irradiation of.. 14 Bulk viscosity 117 Butyl acrylate 190 Butyl methacrylate 190 C Carbanions 31 Carbon black 77 Carbonium ion 34, 41 Carbowax 113 Catalysts, heavy metal 113 Cellobiose octaacetate 242 Cellulose triacetate absorption spectra of 241 infrared spectra of 244 inherent viscosities of 251 photolytic degradation of 240 Chain reaction 135 Chemical migration 26 Chloroprene 190 Cis groups, isomerization of 63 Cost of irradiation xi Creep of glassy polymers 79 Creep rates of polymers, transient acceleration of 79 Crosslinked films, properties of Crosslinked ionomers, radiation Crosslinked polyethylenes, radiation 139 Crosslinking 2, 57 electron beam-initiated irradiation 156 of ethylene copolymers, radiation 156 in irradiated polystyrene 98 mechanism of 3 of polyethylene 24 radiation- 44 in polystyrene, G-values for Crosslinks 133 Crystalline bonds 63 Cyclic structures 69 Cyclohexane 33 D Decay curves 179 Decay of vinyl groups 139 Decyl methacrylate 190 Degradation of cellulose triacetate, photolytic 240 Delayed stress application on creep of glassy polymer, effect of.. 86 Density of graft copolymer 211 DFD Dienyl free radicals, kinetics of growth of 42 Dienylic radicals 260 Diffusible intermediates 35 Dilatometer, recording 185 Dioxane 33 Dioxene 33 Dose, dependence of product yields on 128 Dose rate effect in wool grafting Dosimetry 175 Dynamitron electron beam accelerators 168 Ε Elastic modulus vs. radiation dose. 144 Elastomers 57 extensibility of 140 radicals in irradiated 8 Electron accelerators χ grafting to wool 228 Electron beam-initiated irradiation crosslinking 156 Electron spin resonance 128,257 Electrons 34 super excited 3 trapped 35 Elongation of PVC-styrene 211 at rupture vs. radiation dose Embrittlement, low temperature.. 75 Emulsion polybutadiene 62 Emulsion polymerization End linking 154 Energy of common chemical bonds Energy transfer 69

2 272 IRRADIATION OF POLYMERS Environmental stress crack resistance 74 ESR 128,257 of aqueous solutions 13 studies on irradiated polystyrene 83, 92 studies of wool grafting 233 Ethane 34 Ethyl acrylate 190 Ethylene-alkyl acrylate copolymers 71 amorphous 76 Ethylene-butadiene copolymers 166 polymer 156 Ethylene copolymers, radiation crosslinking of 156 Ethylene-ethyl acrylate 162 Ethylene methacrylic acid ionomer resins 156,157 Ethylene oxide 113 Ethylene-vinyl acetate 161 copolymers 156 Ethyl radicals 265 Evolution of hydrogen from PET. 132 Excited molecules 23 Expansion of glassy polymers Extensibility of an elastomer 140 Extinction coefficients for transvinylene unsaturation 143 F Films, properties of crosslinked Flexible polyurethane foam 214 Flexural strength of PVC-styrene. 211 Foam flexible polyurethane 214 grafting of vinyl monomer on polyurethane 215 radiation-induced graft polymerization of polyurethane Fractures 133 Free ions 34 Free radicals 25,128 in polyolefins 256 G Gamma photons 59 Gamma radiation 5, 17 -induced polymerization of vinyl monomers 184 Gas evolution in glassy polymers, G-values for 99 Gelation in irradiated polymers 13 of PET 133 Glassy polymers creep of 79 expansion of 94 G-values for gas evolution in Glucose 242 infrared absorption spectrum of pentaacetate 242 infrared absorption spectrum of Graft copolymer density of 211 styrene-poly(vinyl chloride) Graft polymerization of polyurethane foam, radiation-induced 214 Grafted side chains, molecular weight of 228 Grafting of vinyl monomer on polyurethane foam 215 to wool, radiation 221 Grafting to wool, electron accelerator 228 G-values for crosslinking in polystyrene.. 97 for gas evolution in glassy polymers 99 for scission in polystyrene 97 H Heat-shrinkable film 74 Heavy metal catalysts 113 n-hexa-l-decane 34 High temperature performance Homopolymer 208 Homopolymerization 215 Hot blown plastic films 73 Hydrocarbon polymers in nitrous oxide atmosphere 44 Hydrogen abstraction 5,259 Hydrogen atom abstraction 27 Hydrogen migration 40 Hydrogen from PET, evolution of. 132 Hydrophilic monomers 214 I Infrared absorption spectrum of glucose pentaacetate 248 Infrared spectra of cellulose triacetate 244 Inherent viscosities of cellulose triacetate 251 Intermittent stress application on creep of glassy polymers, effect of 89 Ionic intermediates 31 polymerization 3,171 species 23 Ionization in solids 2 Ionizing radiation 256 Ion-molecule reactions 32 Ionomer resins, ethylene methacrylic acid 156 Ionomers, radiation crosslinked Irradiated polymers, gelation in.. 13 Irradiation advantages of vii of biological systems 14 crosslinking, electron beaminitiated 156 of polymeric and biological molecules 14 of polymer solutions 12

3 INDEX 273 Isomerization of cis groups 63 Isoprene 190 Κ Ketene 244 Kinetics 130 of the allyl free radical growth.. 38 of grafting 231 of growth of dienyl and trienyl free radicals 42 L LET 17,67 Lichtenberg discharge effect 161 Linear accelerator 81 Linear energy transfer 17 Liquid vinyl monomers 170 Lorentz band shape 62 Low temperature embrittlement.. 75 Luminescent impurities 10 M Mass spectra 242 Mechanism of crosslinking 3 Mechanisms in polymers, radiation 1 Mechanisms of radiation-initiated transformations 22 Melt viscosity 209 Methane 34 Methyl acrylate 190 Methylacrylonitrile 190 Methylene free radicals 36 Methyl free radical 36 Methyl methacrylate 185,190 Methyl radicals 263 α-methylstyrene, radiation-induced polymerization of 170 Molecular-weight distribution Molecular weight of grafted side chains 228 Ν Negative ions 35 Neutrons 59 Nitrous oxide atmosphere, hydrocarbon-polymers in 44 Nuclear reactor 59 Ο Olefinic groups in polybutadiene.. 57 Oxidation 37 Oxygen reactions in irradiated polymers 7 Ρ Peroxidation of polyurethane foam 215 Peroxides 27 Peroxy radicals 261 PET evolution of hydrogen from gelation of 133 Phenolic antioxidant 142 Photolytic degradation of cellulose triacetate 240 Physical properties of poly (vinyl chloride )-styrene radiation graft copolymer 203 Polybutadiene olefinic groups in 57 trans- and side vinyl 66 cw-polybutadiene 61 frans-polybutadiene 57 Poly(l-butene) 264 Polyene acids 260 Polyenes 37 Polyenyl free radical 37 Polyenylic radicals 257,261 Polyether 113 Polyethylene 258 crosslinking of 24 radiation crosslinked 139 radiation crosslinking of 44 reactive intermediates in the radiation chemistry of single crystals 7 solution-crystallized 259 terephthalate, radiation chemistry of 127 Poly (ethylene oxide) 113 Polyisobutylene 48,263 Polymer radicals 4 Polymer solutions, irradiation of.. 12 cfc-l,4-polymer, spectrum of a Polymers reactive species in 22 in solution 12 Polymeric macromolecules, irradiation of 14 Polymerization of α-methyl styrene, radiation induced 170 of vinyl monomers, 7-radiationinduced 184 Poly (methyl methacrylate) 82 Polyolefins, free radicals in 256 Polyox 113 Polypropylene 50,261 Polystyrene 82 crosslinking in irradiated 98 ESR studies on irradiated 83 G-values for crosslinking in G-values for scission in 97 scission in irradiated 98 sol-gel studies on irradiated Polyurethane foam flexible 214 grafting of vinyl monomer on peroxidation of 125 radiation-induced graft polymerization of 214 Poly (vinyl chloride )-styrene radiation graft copolymer 203 Poly (vinyl chloride-vinyl acetate) copolymer 82 Positive ions 23

4 274 IRRADIATION OF POLYMERS Postirradiation effects in wool grafting 223 Preirradiation of poly (vinyl chloride ) 25 Product yields on dose, dependence of 128 Propane 34 Properties of crosslinkedfilms Properties improvement ix Proton affinity 34 Proton transfer process 24 Pulse radiolysis 13,175 PVC-styrene, physical properties of 211 R Radiation chemistry of polyethylene terephthalate 127 crosslinked ionomers and polyethylenes 139 crosslinking of ethylene copolymers 156 of polyethylene 44 dose elastic modulus vs 144 elongation at rupture vs 144 solubility vs 146 tensile strength vs 143 graft copolymer, styrenepoly(vinyl chloride) 203 grafting of vinyl monomers to wool 221 -induced polymerization of a-methylstyrene 170 graft polymerization of polyurethane foam 214 polymerization of vinyl monomers, gamma 184 -initiated transformations, mechanisms of 22 mechanisms in polymers 1 sensitivity 16 ultraviolet 240 and ionizing 256 Radicals alkylic 260 allylic 257 dienylic 260 in irradiated elastomer 8 methyl 263 peroxy 261 polyenylic 257,261 polymer 4 Radioactive isotopes ix Radioprotection 12 Reaction rate vs. time 191 Reaction rates of poly (vinyl chloride )-styrene radiation graft copolymer ^ 203 Reactive intermediates in the radiation chemistry of polyethylene 31 Reactive species in polymers 22 Reactivity transfer in biological material 19 Recombination 27 Recording dilatometer 185 Reinforcement of polymer 8 Resonance stabilization 260 Rubberlike properties 76 Rubber, synthetic 57 S Santonox 142 Santowhite powder 142 Scission in irradiated polystyrene.. 98 Scission in polystyrene, G-values for 97 Side vinyl group 59 Side vinyl polybutadiene 66 Sodium polybutadiene 62 Softening temperatures, Vicat Sol-gel rstudies on irradiated lystyrene 82,93 ionization in 2 Solubility vs. radiation dose 146 Solution-crystallized polyethylene. 259 Solution viscosities 250 Spectrum of a cw-l,4-polymer 59 Sponge, wettable 214 Stress crack resistance, environmental 74 Stress on creep of glassy polymers, effect of 85 Styrene 172,185 Styrene-poly ( vinyl chloride ) radiation graft copolymer Sulfhydryl 19 Super excited electrons 3 Surlyn A 141 Swelling effect in wool grafting Synthetic rubber 57 Τ Target dimension 17 Temperature on creep of glassy polymers, effect of 90 Tenite Tensile strength of PVC-styrene 211 vs. radiation dose 143 Thermoluminescence 10 Thiobisphenolic antioxidant 142 Time vs. reaction rate 191 Transformations, mechanisms of radiation-initiated 22 Transient acceleration of creep rates of polymers 79 Trapped electrons 35 Trapped radicals 26,139,215 Trienyl free radicals, kinetics of growth of 42

5 INDEX 275 υ Ultraviolet irradiation 42 light 38 radiation 240,256 sources xi spectroscopy at low temperatures 257 spectrum 39 Unsaturated groups 58 Unsaturation, vinylene 6 V Van de Graaff generator 81 Vicat softening temperatures 158 Vinyl 61 decay 147 groups, decay of 139 monomers liquid 170 gamma-radiation-induced polymerization of 184 on polyurethane foam, grafting of 215 to wool, radiation grafting of. 221 cts-vinylene 60 trans- Vinylene 47,61 unsaturation 32 extinction coefficients for Vinylidine chloride 190 trans-vinyl polybutadiene 66 W Weak links 132 Wettable sponge 214 Wool electron accelerator grafting to radiation grafting of vinyl monomers to 221 Wool grafting air effect in 225 ESR studies of 233 dose rate effect in 225 postirradiation effects in 223 swelling effect in 225 X Xenon 46

MATERIALS SCIENCE POLYMERS

MATERIALS SCIENCE POLYMERS POLYMERS 1) Types of Polymer (a) Plastic Possibly the largest number of different polymeric materials come under the plastic classification. Polyethylene, polypropylene, polyvinyl chloride, polystyrene,

More information

Lecture No. (1) Introduction of Polymers

Lecture No. (1) Introduction of Polymers Lecture No. (1) Introduction of Polymers Polymer Structure Polymers are found in nature as proteins, cellulose, silk or synthesized like polyethylene, polystyrene and nylon. Some natural polymers can also

More information

"Cor the past 20 years, radiation chemistry has received considerable

Cor the past 20 years, radiation chemistry has received considerable PREFACE Downloaded via 148.251.232.83 on November 6, 2018 at 17:50:09 (UTC). See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles. "Cor the past 20 years,

More information

The vibrational spectroscopy of polymers

The vibrational spectroscopy of polymers D. I. BOWER Reader in Polymer Spectroscopy Interdisciplinary Research Centre in Polymer Science & Technology Department of Physics, University of Leeds W.F. MADDAMS Senior Visiting Fellow Department of

More information

TOPIC 7. Polymeric materials

TOPIC 7. Polymeric materials Universidad Carlos III de Madrid www.uc3m.es MATERIALS SCIENCE AND ENGINEERING TOPIC 7. Polymeric materials 1. Introduction Definition General characteristics Historic introduction Polymers: Examples 2.

More information

Polymers in Modified Asphalt Robert Q. Kluttz KRATON Polymers

Polymers in Modified Asphalt Robert Q. Kluttz KRATON Polymers Polymers in Modified Asphalt Robert Q. Kluttz KRATON Polymers Polymers in Modified Asphalt Types of Polymers Compatibility of Polymers Effects of Polymers Analysis of polymers Recovery of PMA What Is a

More information

2. Amorphous or Crystalline Structurally, polymers in the solid state may be amorphous or crystalline. When polymers are cooled from the molten state

2. Amorphous or Crystalline Structurally, polymers in the solid state may be amorphous or crystalline. When polymers are cooled from the molten state 2. Amorphous or Crystalline Structurally, polymers in the solid state may be amorphous or crystalline. When polymers are cooled from the molten state or concentrated from the solution, molecules are often

More information

Combustion and thermal degradation of polymers

Combustion and thermal degradation of polymers Polymers and biomaterials - laboratory Combustion and thermal degradation of polymers Theoretical background dr Hanna Wilczura-Wachnik University of Warsaw Faculty of Chemistry Chemical Technology Division

More information

Crosslinking and Scission

Crosslinking and Scission Radiation Effects on Polymeric Systems Crosslinking and Scission Both crosslinking and scission occur on irradiation of polymers; however, their relative importance varies from polymer to polymer Predominant

More information

Polymers are high molecular mass macromolecules composed of repeating structural

Polymers are high molecular mass macromolecules composed of repeating structural Question 15.1: Explain the terms polymer and monomer. Polymers are high molecular mass macromolecules composed of repeating structural units derived from monomers. Polymers have a high molecular mass (10

More information

POLYMER CHEMISTRY Lecture/Lession Plan -2

POLYMER CHEMISTRY Lecture/Lession Plan -2 Chapter 6 POLYMER CHEMISTRY Lecture/Lession Plan -2 POLYMER CHEMISTRY 6.0.1 Classification on the basis of tactility On the basis of orientation of functional group or side groups throughout the long backbone

More information

The functionality of a monomer is the number of binding sites that is/are present in that monomer.

The functionality of a monomer is the number of binding sites that is/are present in that monomer. Question 15.1: Explain the terms polymer and monomer. Polymers are high molecular mass macromolecules composed of repeating structural units derived from monomers. Polymers have a high molecular mass (10

More information

Chapter : 15. POLYMERS. Level-1:Questions

Chapter : 15. POLYMERS. Level-1:Questions 1) What are polymers? Chapter : 15. POLYMERS Level-1:Questions A: These are referred to as Macromolecules which are formed by joining of repeating structural units on a large scale. 2) Give two examples

More information

Polymer Reaction Engineering

Polymer Reaction Engineering Polymer Reaction Engineering Polymerization Techniques Bulk Solution Suspension Emulsion Interfacial Polymerization Solid-State Gas-Phase Plasma Polymerization in Supercritical Fluids Bulk Polymerization

More information

not to be republished NCERT Unit I. Multiple Choice Questions (Type-I) 1. Which of the following polymers of glucose is stored by animals?

not to be republished NCERT Unit I. Multiple Choice Questions (Type-I) 1. Which of the following polymers of glucose is stored by animals? I. Multiple Choice Questions (Type-I) 1. Which of the following polymers of glucose is stored by animals? Cellulose Amylose Amylopectin Glycogen 2. Which of the following is not a semisynthetic polymer?

More information

COMPOSITE MATERIALS. Asst. Prof. Dr. Ayşe KALEMTAŞ

COMPOSITE MATERIALS. Asst. Prof. Dr. Ayşe KALEMTAŞ COMPOSITE MATERIALS Office ours: Tuesday, 16:30-17:30 akalemtas@mu.edu.tr, akalemtas@gmail.com Phone: +90 252 211 19 17 Metallurgical and Materials Engineering Department ISSUES TO ADDRESS Polymers Applications

More information

Chapter 13 - Polymers Introduction

Chapter 13 - Polymers Introduction Chapter 13 - Polymers Introduction I. Nomenclature A. Polymer/Macromolecule polymer - nonmetallic material consisting of large molecules composed of many repeating units - from Greek: poly (many) and meros

More information

Introduction to Engineering Materials ENGR2000 Chapter 14: Polymer Structures. Dr. Coates

Introduction to Engineering Materials ENGR2000 Chapter 14: Polymer Structures. Dr. Coates Introduction to Engineering Materials ENGR2000 Chapter 14: Polymer Structures Dr. Coates 14.1 Introduction Naturally occurring polymers Wood, rubber, cotton, wool, leather, silk Synthetic polymers Plastics,

More information

Polymeric Materials. Sunan Tiptipakorn, D.Eng.

Polymeric Materials. Sunan Tiptipakorn, D.Eng. Polymeric Materials Sunan Tiptipakorn, D.Eng. Department of Chemistry, Faculty of Liberal Arts and Science, Kasetsart University, Kamphaen Saen Campus, Nakorn Phathom, 73140 Thailand. Introduction Material

More information

RADIATION-INDUCED OXIDATION OF POLYMERS

RADIATION-INDUCED OXIDATION OF POLYMERS Chapter 8 RADIATION-INDUCED OXIDATION OF POLYMERS Ewa M. Kornacka Institute of Nuclear Chemistry and Technology, Dorodna 16, 03-195 Warszawa, Poland 1. INTRODUCTION A polymer is a macromolecule formed

More information

Materials of Engineering ENGR 151 POLYMER STRUCTURES

Materials of Engineering ENGR 151 POLYMER STRUCTURES Materials of Engineering ENGR 151 POLYMER STRUCTURES LEARNING OBJECTIVES Understand different molecular and crystal structures of polymers What are the general structural and chemical characteristics of

More information

Hydrocarbon Molecules Polymer Molecules The Chemistry of Polymer Molecules

Hydrocarbon Molecules Polymer Molecules The Chemistry of Polymer Molecules CHAPTER 14 POLYMER STRUCTURES PROBLEM SOLUTIONS Hydrocarbon Molecules Polymer Molecules The Chemistry of Polymer Molecules 14.1 On the basis of the structures presented in this chapter, sketch repeat unit

More information

Top concepts Chapter : Polymers 1. Polymers are high molecular mass substance consisting of large number of repeating structural units. As polymers are single, giant molecules i.e. big size molecules,

More information

POLYMERS: MACROMOLECULES

POLYMERS: MACROMOLECULES C21 11/08/2013 16:8:37 Page 311 CHAPTER 21 POLYMERS: MACROMOLECULES SOLUTIONS TO REVIEW QUESTIONS 1. An addition polymer is one that is produced by the successive addition of repeating monomer molecules.

More information

(Refer Slide Time: 00:58)

(Refer Slide Time: 00:58) Nature and Properties of Materials Professor Bishak Bhattacharya Department of Mechanical Engineering Indian Institute of Technology Kanpur Lecture 18 Effect and Glass Transition Temperature In the last

More information

See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles.

See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles. INDEX Downloaded via 148.251.232.83 on July 1, 2018 at 13:24:59 (UTC). See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles. A Abstraction, hydrogen 107

More information

Anionic Polymerization - Initiation and Propagation

Anionic Polymerization - Initiation and Propagation Anionic Polymerization Initiation and Propagation As in free radical polymerization, there are initiation and propagation steps. NH 2 NaNH 2 Na + + NH 2 + H 2 N CH: Propagation proceeds in the usual manner,

More information

Chemical Engineering Seminar Series

Chemical Engineering Seminar Series Effect of Reaction Conditions on Copolymer Properties Loretta Idowu Keywords: copolymer composition distribution; radical polymerization kinetics; semi-batch starved feed; hydroxyl-functionality Non-functional

More information

POLYMER STRUCTURES ISSUES TO ADDRESS...

POLYMER STRUCTURES ISSUES TO ADDRESS... POLYMER STRUTURES ISSUES TO ADDRESS... What are the basic microstructural features? ow are polymer properties effected by molecular weight? ow do polymeric crystals accommodate the polymer chain? Melting

More information

Chapter 11. Polymer Structures. Natural vs man-made

Chapter 11. Polymer Structures. Natural vs man-made . Polymer Structures Polymers: materials consisting of long molecules - the word polymer comes from the Greek Polys = many Meros = parts Macromolecules (long size of the chains) many parts - typically,

More information

Radiation Effects on Polymeric Materials

Radiation Effects on Polymeric Materials Chapter 1 Radiation Effects on Polymeric Materials A Brief Overview Elsa Reichmanis 1, Curtis W. Frank 2, James H. O'Donnell 3, and David J. T. Hill 3 1 AT&T Bell Laboratories, Room 1A-261, 600 Mountain

More information

P O L Y M E R S. The Academic Support Daytona State College (Science 106, Page 1 of 25

P O L Y M E R S. The Academic Support Daytona State College (Science 106, Page 1 of 25 P O L Y M E R S The Academic Support Center @ Daytona State College (Science 106, Page 1 of 25 POLYMERS Polymers are large, long-chain molecules. found in nature, including cellulose in plants, starches

More information

Periodic table with the elements associated with commercial polymers in color.

Periodic table with the elements associated with commercial polymers in color. Polymers 1. What are polymers 2. Polymerization 3. Structure features of polymers 4. Thermoplastic polymers and thermosetting polymers 5. Additives 6. Polymer crystals 7. Mechanical properties of polymers

More information

Chapter 14: Polymer Structures

Chapter 14: Polymer Structures Chapter 14: Polymer Structures ISSUES TO ADDRESS... What are the general structural and chemical characteristics of polymer molecules? What are some of the common polymeric materials, and how do they differ

More information

NMR Spectroscopy of Polymers

NMR Spectroscopy of Polymers r NMR Spectroscopy of Polymers Edited by ROGER N. IBBETT Courtaulds Research and Technology Coventry BLACKIE ACADEMIC & PROFESSIONAL An Imprint of Chapman & Hall London Glasgow New York Tokyo Melbourne

More information

Stability and stabilization of polymers under irradiation

Stability and stabilization of polymers under irradiation IAEA-TECDOC-1062 XA9949176 Stability and stabilization of polymers under irradiation Final report of a co-ordinated research project 1994-1997 INTERNATIONAL ATOMIC ENERGY AGENCY /A\ 30-10 The originating

More information

Paul Rempp and Edward W. Merrill. Polymer Synthesis. 2nd, revised Edition. Hüthig & Wepf Verlag Basel Heidelberg New York

Paul Rempp and Edward W. Merrill. Polymer Synthesis. 2nd, revised Edition. Hüthig & Wepf Verlag Basel Heidelberg New York Paul Rempp and Edward W. Merrill Polymer Synthesis 2nd, revised Edition Hüthig & Wepf Verlag Basel Heidelberg New York Table of Contents Part I: Polymerization Reactions Chapter 1: General Considerations

More information

Electronic materials and components-polymer types

Electronic materials and components-polymer types Introduction Electronic materials and components-polymer types Polymer science is a broad field that includes many types of materials which incorporate long chain structures with many repeated units. One

More information

NMR SPECTROSCOPY AND STEREOREGULARITY OF POLYMERS

NMR SPECTROSCOPY AND STEREOREGULARITY OF POLYMERS NMR SPECTROSCOPY AND STEREOREGULARITY OF POLYMERS Kei Matsuzaki, Toshiyuki Uryu, and Tetsuo Asakura with 148 Figures and 80 Tables JAPAN SCIENTIFIC SOCIETIES PRESS Tokyo KARGEH Basel-Freiburg-Paris-London-New

More information

Principles of Polymer Chemistry

Principles of Polymer Chemistry Principles of Polymer Chemistry A. Ravve Consultant in Polymer Chemistry Lincolnwood, Illinois PLENUM PRESS NEW YORK AND LONDON Contents 1. Introduction 1.1. Definitions 1 1.2. Nomenclature of Polymers

More information

AN INTEGRATED SYSTEM USING TEMPERATURE BASED SAMPLING FOR POLYMER CHARACTERIZATION

AN INTEGRATED SYSTEM USING TEMPERATURE BASED SAMPLING FOR POLYMER CHARACTERIZATION AN INTEGRATED SYSTEM USING TEMPERATURE BASED SAMPLING FOR POLYMER CHARACTERIZATION Paper # 164-8P Pittsburgh Conference 24 T. Wampler, C. Zawodny, L. Mancini CDS Analytical, Inc 465 Limestone Road, Oxford,

More information

Chemistry Notes. Daniel P

Chemistry Notes. Daniel P Chemistry Notes Daniel P Contents 1 Introduction 3 2 Production of Materials 4 2.1 Ethylene and its Uses...................................... 4 1. Chemical Equations...................................

More information

Downloaded from Unit - 15 POLYMERS. Points to Remember

Downloaded from   Unit - 15 POLYMERS. Points to Remember Unit - 15 POLYMERS Points to Remember 1. Polymers are defined as high molecular mass macromolecules which consist of repeating structural units derived from the appropriate monomers. 2. In presence of

More information

B7.6 9 th International Conference on Insulated Power Cables B7.6

B7.6 9 th International Conference on Insulated Power Cables B7.6 B76 9 th International onference on Insulated Power ables B76 Development of a LPE insulating with low peroxide by-products Jean-hristophe GARD, Isabelle DENIZET, Mohamed MAMMERI General able, Montereau,

More information

POLYMER SCIENCE : lecture 1. Dr. Hanaa J. Alshimary Second class Poly. Eng. Dep. Introduction of Polymers Polymer poly mer Monomer Polymerization

POLYMER SCIENCE : lecture 1. Dr. Hanaa J. Alshimary Second class Poly. Eng. Dep. Introduction of Polymers Polymer poly mer Monomer Polymerization Introduction of Polymers Polymer - The word polymer is the Greek word : poly means many and mer means unit or parts, A Polymer is a large molecule that comprises repeating structural units joined by the

More information

III. Molecular Structure Chapter Molecular Size Size & Shape

III. Molecular Structure Chapter Molecular Size Size & Shape III. Molecular Structure Chapter 3. 3. Molecular Size Size & Shape Molecular Structure (1)Molecular Size & Shape Size : molecular weight molecular weight distribution Shape : branching (2) Molecular Flexibility

More information

POLYMERS: CHEMISTRY AND PHYSICS OF MODERN MATERIALS

POLYMERS: CHEMISTRY AND PHYSICS OF MODERN MATERIALS POLYMERS: CHEMISTRY AND PHYSICS OF MODERN MATERIALS THIRD EDITION J.M.G. COWIE Heriot-Watt University Scotland,UK VALERIA ARRIGHI Heriot-Watt University Scotland,UK Contents Preface The Authors xv xvii

More information

POLYMER CHEMISTRY Lecture/Lession Plan -4

POLYMER CHEMISTRY Lecture/Lession Plan -4 Chapter 6 POLYMER CHEMISTRY Lecture/Lession Plan -4 POLYMER CHEMISTRY 6.1 Rubber Rubber is a natural elastomeric polymer whose monomer unit is cis-2-methyle-1,3-butadiene. Raw rubber material is extracted

More information

An Introduction to Polymer Physics

An Introduction to Polymer Physics An Introduction to Polymer Physics David I. Bower Formerly at the University of Leeds (CAMBRIDGE UNIVERSITY PRESS Preface Acknowledgements xii xv 1 Introduction 1 1.1 Polymers and the scope of the book

More information

SUBJECT: Polymer Chemistry. STAFF NAME: DrA.Vijayabalan and S.Immanuel. UNIT-I (Part-A)

SUBJECT: Polymer Chemistry. STAFF NAME: DrA.Vijayabalan and S.Immanuel. UNIT-I (Part-A) SUBJECT: Polymer Chemistry SUB.CODE: ECH618 STAFF NAME: DrA.Vijayabalan and S.Immanuel UNIT-I (Part-A) 1. Polymers are obtained by which of the following polymerization reaction. (a) Addition (c) Both

More information

Chemistry Class 12 th NCERT Solutions

Chemistry Class 12 th NCERT Solutions This e-book is prepared by the CBSE board exam experts of jagranjosh.com, an online educational portal of Dainik Jagran. The purpose of providing solutions for CBSE class 12 th Science and Mathematics

More information

Category Major Groups Products

Category Major Groups Products Polyester Filament Yarn 1562.48 1803.873 1874.268 1877.529 1811.283 2178.749 2179 2200.91 1127.08 Nylon Filament Yarn (NFY) 30.306 33.429 30.388 21.943 24.324 32.449 37.251 40.906 19.373 Nylon Industrial

More information

Chapter 5. Ionic Polymerization. Anionic.

Chapter 5. Ionic Polymerization. Anionic. Chapter 5. Ionic Polymerization. Anionic. Anionic Polymerization Dr. Houston S. Brown Lecturer of Chemistry UH-Downtown brownhs@uhd.edu What you should know: What is anionic polymerization? What is MWD,

More information

The Effects of Irradiation Technologies on Some Polymers commonly used in SUDs

The Effects of Irradiation Technologies on Some Polymers commonly used in SUDs Engineering Conferences International ECI Digital Archives Single-Use Technologies: Bridging Polymer Science to Biotechnology Applications Proceedings Fall 10-19-2015 The Effects of Irradiation Technologies

More information

Experiment 5. Synthetic Polymers.

Experiment 5. Synthetic Polymers. Experiment 5. Synthetic Polymers. References: Brown & Foote, Chapters 24 INTRODUCTION: A polymer (Greek: polys + meros = many parts) is a giant or macromolecule made up of repeating structural units. The

More information

QUELQUES RAPPELS SUR LA NATURE ET LES EFFETS DU FUEL GAZEUX LORS DE LA MODÉLISATION DE LA PYROLYSE

QUELQUES RAPPELS SUR LA NATURE ET LES EFFETS DU FUEL GAZEUX LORS DE LA MODÉLISATION DE LA PYROLYSE GDR Feux Rencontres de Toulouse, 12-13 octobre 2017 QUELQUES RAPPELS SUR LA NATURE ET LES EFFETS DU FUEL GAZEUX LORS DE LA MODÉLISATION DE LA PYROLYSE Par Eric GUILLAUME CHEMICAL APPROACH OF GASEOUS FUEL

More information

Steric stabilization. Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting April 9 10, 2008 New Orleans

Steric stabilization. Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting April 9 10, 2008 New Orleans Steric stabilization Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting April 9 10, 2008 New Orleans Rates of flocculation Strength of interparticle forces The time for half

More information

Organic Chemistry. Radical Reactions

Organic Chemistry. Radical Reactions For updated version, please click on http://ocw.ump.edu.my Organic Chemistry Radical Reactions by Dr. Seema Zareen & Dr. Izan Izwan Misnon Faculty Industrial Science & Technology seema@ump.edu.my & iezwan@ump.edu.my

More information

Chemistry 1110 Exam 4 Study Guide

Chemistry 1110 Exam 4 Study Guide Chapter 10 Chemistry 1110 Exam 4 Study Guide 10.1 Know that unstable nuclei can undergo radioactive decay. Identify alpha particles, beta particles, and/or gamma rays based on physical properties such

More information

I. 16. Coloration of Polyethylene Terephthalate (PET) Film by 3MeV Proton Beams

I. 16. Coloration of Polyethylene Terephthalate (PET) Film by 3MeV Proton Beams CYRIC Annual Report 2001 I. 16. Coloration of Polyethylene Terephthalate (PET) Film by 3MeV Proton Beams Matsuyama S., Ishii K., Yamazaki H., Endoh H., Yuki H., Satoh T., Sugihara S., Amartaivan Ts., Tanaka

More information

This name hints at how polymers are made

This name hints at how polymers are made Chapter- I Many + Parts This name hints at how polymers are made POLYMERS (the whole train) are made out of MONOMERS (individual cars of the train) joined together. repeat unit H H H H H H C C C C C

More information

Unit - 15 POLYMERS Points to Remember 1. Polymers are defined as high molecular mass macromolecules which consist of repeating structural units derived from the appropriate monomers. 2. In presence of

More information

Lecture 25 POLYMERS. April 19, Chemistry 328N

Lecture 25 POLYMERS. April 19, Chemistry 328N Lecture 25 POLYMERS Wallace Carothers April 19, 2016 Paul Flory Wallace Hume Carothers 1896-1937 Carothers at Dupont 1.Commercializion of Nylon https://www.chemheritage.org/ Nylon was first used for fishing

More information

Dr. M. Medraj Mech. Eng. Dept. - Concordia University MECH 221 lecture 19/2

Dr. M. Medraj Mech. Eng. Dept. - Concordia University MECH 221 lecture 19/2 Polymers Outline Introduction Molecular Structure and Configurations Polymer s synthesis Molecular weight of polymers Crystallinity You may think of polymers as being a relatively modern invention however

More information

A polymer is a very large molecule that is built from monomers. A monomer is one of the repeating units that make up a polymer.

A polymer is a very large molecule that is built from monomers. A monomer is one of the repeating units that make up a polymer. 1.8 Polymers The General Structure of Polymers A polymer is a very large molecule that is built from monomers. A monomer is one of the repeating units that make up a polymer. Many biological molecules,

More information

EL 3004 Material Biomedika Bab 22-23

EL 3004 Material Biomedika Bab 22-23 BAB 22 EL 3004 Material Biomedika Bab 22-23 POLYMERS [Adopsi dari: Zbigniew D Jastrzebski, The Nature And Properties of Engineering Materials, John Wiley & Sons, ISBN 0-471-63693-2, 1987, CHAPTER 10.]

More information

IRRADIATION EFFECTS ON POLY (VINYL CHLORIDE)

IRRADIATION EFFECTS ON POLY (VINYL CHLORIDE) IRRADIATION EFFECTS ON POLY (VINYL CHLORIDE) L.COSTA, V. BRUNELLA, P. BRACCO Dipartimento di Chimica IFM, Università di Torino, Italy E-mail: brunella@ch.unito.it We have studied the electron beam effects

More information

Steric stabilization i the role of polymers

Steric stabilization i the role of polymers Steric stabilization i the role of polymers Dispersions in liquids: suspensions, emulsions, and foams ACS National Meeting March 21 22, 2009 Salt Lake City Ian Morrison 2009 Ian Morrison 2009 Lecture 4

More information

1.1 Basic Polymer Chemistry. 1.2 Polymer Nomenclature. 1.3 Polymer Synthesis. 1.4 Chain Growth Polymerization. Polymer =

1.1 Basic Polymer Chemistry. 1.2 Polymer Nomenclature. 1.3 Polymer Synthesis. 1.4 Chain Growth Polymerization. Polymer = 1.1 Basic Polymer hemistry Polymers are the largest class of soft materials: over 100 billion pounds of polymers made in US each year lassification systems 1.2 Polymer Nomenclature Polymer = Monomer =

More information

SCH4U Synthesis and Polymers. Synthesis Reactions and Addition and Condensation Polymers

SCH4U Synthesis and Polymers. Synthesis Reactions and Addition and Condensation Polymers SCH4U Synthesis and Polymers Synthesis Reactions and Addition and Condensation Polymers ADDITION POLYMERS ADDITION POLYMERS A + A + A + A A A A A monomers polymer + + + ethylene (ethene) polyethylene

More information

Material Chemistry KJM 3100/4100. Synthetic Polymers (e.g., Polystyrene, Poly(vinyl chloride), Poly(ethylene oxide))

Material Chemistry KJM 3100/4100. Synthetic Polymers (e.g., Polystyrene, Poly(vinyl chloride), Poly(ethylene oxide)) Material Chemistry KJM 3100/4100 Lecture 1. Soft Materials: Synthetic Polymers (e.g., Polystyrene, Poly(vinyl chloride), Poly(ethylene oxide)) Biopolymers (e.g., Cellulose derivatives, Polysaccharides,

More information

1. The number of moles of solute present in 1 kg of a solvent is called its A. molality B. molarity C. normality D. formality

1. The number of moles of solute present in 1 kg of a solvent is called its A. molality B. molarity C. normality D. formality 1. The number of moles of solute present in 1 kg of a solvent is called its A. molality B. molarity C. normality D. formality 2. The most electronegative element among the following is A. sodium B. bromine

More information

II. 1. TRANSFORMATIONS UNDER THE ACTION OF HEAT OR IRRADIATION

II. 1. TRANSFORMATIONS UNDER THE ACTION OF HEAT OR IRRADIATION CHAPTER II HYDROCARBON TRANSFORMATIONS THAT DO NOT INVOLVE METALS OR THEIR COMPOUNDS n this chapter we will briefly survey the main types of hydrocarbon transformations that occur without the participation

More information

Packing of Atoms in Solids [5]

Packing of Atoms in Solids [5] Packing of Atoms in Solids [5] Non dense, random packing Energy typical neighbor bond length typical neighbor bond energy r Dense, ordered packing Energy typical neighbor bond length typical neighbor bond

More information

MECHANICAL AND THERMAL PROPERTIES OF COMMERCIAL MULTILAYER PET/PP FILM IRRADIATED WITH ELECTRON-BEAM

MECHANICAL AND THERMAL PROPERTIES OF COMMERCIAL MULTILAYER PET/PP FILM IRRADIATED WITH ELECTRON-BEAM 2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 MECHANICAL AND

More information

Polymer engineering syllabus (BSc)

Polymer engineering syllabus (BSc) Polymer engineering syllabus (BSc) First semester Math 1 Physics 1 Physics 1 lab General chemistry General chemistry lab workshop Second semester Math 2 Physics 2 Organic chemistry 1 Organic chemistry

More information

Introduction to Polymerization Processes

Introduction to Polymerization Processes Introduction to Polymerization Processes Reference: Aspen Polymers: Unit Operations and Reaction Models, Aspen Technology, Inc., 2013. 1- Polymer Definition A polymer is a macromolecule made up of many

More information

Unit title: Polymer Chemistry

Unit title: Polymer Chemistry Unit title: Polymer Chemistry Unit code: L/601/0415 QCF level: 5 Credit value: 15 Aim This unit enables learners to gain an understanding of aspects of the structure, reaction mechanisms and polymer preparations.

More information

Appendix A: The Names of Polymers and Polymeric Materials

Appendix A: The Names of Polymers and Polymeric Materials Appendix A: The Names of Polymers and Polymeric Materials Every newcomer to the study of polymers is inevitably troubled by the profusion of names for individual polymer materials. Some of the difficulties

More information

Radical Initiation 2017/2/ ) Thermal Decomposition of Initiators

Radical Initiation 2017/2/ ) Thermal Decomposition of Initiators adical Initiation Production of radicals (from initiator) to initiate chain polymerization. A variety of initiator systems can be used to bring about the radical polymerization. 1) Thermal Decomposition

More information

Physical Chemistry of Polymers (4)

Physical Chemistry of Polymers (4) Physical Chemistry of Polymers (4) Dr. Z. Maghsoud CONCENTRATED SOLUTIONS, PHASE SEPARATION BEHAVIOR, AND DIFFUSION A wide range of modern research as well as a variety of engineering applications exist

More information

Thermoplastic. Condensation. Homopolymer. Polymer POLYMERS. Synthetic. Natural. Addition. Copolymer. Polymer. Thermosetting

Thermoplastic. Condensation. Homopolymer. Polymer POLYMERS. Synthetic. Natural. Addition. Copolymer. Polymer. Thermosetting Thermoplastic Homopolymer Condensation Polymer Natural POLYMERS Synthetic Addition Polymer Copolymer Thermosetting Polymers are very large covalent molecular substances containing tens of thousands of

More information

POLYMERS. The equations for polymerization are represented as below, where n stands for a large number.

POLYMERS. The equations for polymerization are represented as below, where n stands for a large number. POLYMERS Polymers are high molecular weight compounds in the range of 10 4-10 6, whose structures are composed of a large number of simple repeating units. The repeating units are usually referred to as

More information

Reactions of Alkenes and Alkynes

Reactions of Alkenes and Alkynes 5 2 2 2 2 2 2 2 Reactions of Alkenes and Alkynes APTER SUMMARY Addition is the characteristic reaction of alkenes and alkynes. Since the carbons of a double or triple bond do not have the maximum number

More information

Presentation shared files at:

Presentation shared files at: Forrest Schultz, PhD Wisconsin State Science Olympiad Director Director, 2016 Science Olympiad National Tournament Chemistry National Rules Committee Professor, Department of Chemistry and Physics University

More information

2.1 Traditional and modern applications of polymers. Soft and light materials good heat and electrical insulators

2.1 Traditional and modern applications of polymers. Soft and light materials good heat and electrical insulators . Polymers.1. Traditional and modern applications.. From chemistry to statistical description.3. Polymer solutions and polymer blends.4. Amorphous polymers.5. The glass transition.6. Crystalline polymers.7.

More information

CYCLOALKANES, POLYMERS, ALCOHOLS AND ETHERS Home Assignment

CYCLOALKANES, POLYMERS, ALCOHOLS AND ETHERS Home Assignment CYCLOALKANES, POLYMERS, ALCOHOLS AND ETHERS Home Assignment 1. The tendency of cylopropane (I), Cyclobutane (II), cyclopentane (III) to form addition compounds is in the order : a) I > II > III b) I =

More information

Option C: Chemistry in industry and technology

Option C: Chemistry in industry and technology Option C: Chemistry in industry and technology As one of the most important roles of chemistry is to make forms of matter that have never existed before, it plays a central role in any material revolution.

More information

Introduction to Synthetic Methods in Step-Growth Polymers 1.1 INTRODUCTION Historical Perspective Some of the earliest useful polymeric

Introduction to Synthetic Methods in Step-Growth Polymers 1.1 INTRODUCTION Historical Perspective Some of the earliest useful polymeric Synthetics Polymers Introduction to Synthetic Methods in Step-Growth Polymers 1.1 INTRODUCTION 1.1.1 Historical Perspective Some of the earliest useful polymeric materials, the Bakelite resins formed from

More information

(c) Dr. Payal B. Joshi

(c) Dr. Payal B. Joshi Polymer (Greek: poly=many; mer=part) Made up of large molecules characterized by repeating units called monomers held together by covalent bonds Functionality To act as monomer, it must have at least two

More information

Properties of polypropylene modified with elastomers

Properties of polypropylene modified with elastomers Plasticheskie Massy, No. 5, 2005, pp. 31 34 Properties of polypropylene modified with elastomers G. M. Danilova-Volkovskaya Rostov State Academy of Agricultural Engineering Selected from International

More information

1.3) Plastics Advantages and disadvantages Thermoplastics and thermosetting plastics.

1.3) Plastics Advantages and disadvantages Thermoplastics and thermosetting plastics. CY6151 ENGINEERING CHEMISTRY I UNIT 1 POLYMER SCIENCE LECTURE PLAN 1.1-A) Polymerization Introduction. 1.1-B) Functionality Definition Significance 1.1-C) Tacticity Isotactic, Syndiotactic and atactic.

More information

Lecture 26 Classification

Lecture 26 Classification Lecture 26 Classification April 24, 2018 Industrial Influence: Trade Names PVC poly (vinylidene chloride) Saran wrap PVC poly (vinyl chloride) Pipe and records PET poly (ethylene teraphthalate) Coke bottles,

More information

4. In this electrochemical cell, the reduction half reaction is

4. In this electrochemical cell, the reduction half reaction is Exam 3 CHEM 1100 Version #1 Student: 1. A monomer is a polymer made from only one component. a single polymer chain. a polymer molecule that only contains a single element. a small molecule used to make

More information

Can you imagine a world without plastics? Plastic soft drink containers,

Can you imagine a world without plastics? Plastic soft drink containers, 21 Polymer Parts R EA D I N G Can you imagine a world without plastics? Plastic soft drink containers, bags, pens, DVDs, and computer and television parts are just a few things made of plastics that would

More information

ORGANIC REACTIONS 14 APRIL 2015 Section A: Summary Notes

ORGANIC REACTIONS 14 APRIL 2015 Section A: Summary Notes ORGANIC REACTIONS 14 APRIL 2015 Section A: Summary Notes 1. Combustion Alkanes are very important fossil fuels. The combustion of alkanes is very exothermic and carbon dioxide and water are produced. General

More information

Polymers. Steep Slope = 3/5 : Self-Avoiding Walk (Polymer Solution) Shallow Slope = 1/2 : Gaussian Random Walk (Polymer Melt)

Polymers. Steep Slope = 3/5 : Self-Avoiding Walk (Polymer Solution) Shallow Slope = 1/2 : Gaussian Random Walk (Polymer Melt) Polymers 1 Polymers Steep Slope = 3/5 : Self-Avoiding Walk (Polymer Solution) Shallow Slope = 1/2 : Gaussian Random Walk (Polymer Melt) 2 If we consider a series of chains = 0 Except when i = j, and

More information

Exercise 12 - Controversial Chemicals: Syntheses and Issues

Exercise 12 - Controversial Chemicals: Syntheses and Issues 119 Exercise 1 - Controversial Chemicals: Syntheses and Issues Because this exercise involves challenges that have multiple solutions, specific answers will not be provided here. One possible approach

More information

Characterisation of Crosslinks in Vulcanised Rubbers: From Simple to Advanced Techniques

Characterisation of Crosslinks in Vulcanised Rubbers: From Simple to Advanced Techniques Characterisation of Crosslinks in Vulcanised Rubbers: From Simple to Advanced Techniques K.L. Mok* and A.H. Eng** *Malaysian Rubber Board, Paper Presenter **Malaysian Institute of Chemistry 1 Rubber &

More information

Oxidationof polymers. Degradation taking place in the presence of oxygen and temperature

Oxidationof polymers. Degradation taking place in the presence of oxygen and temperature Oxidationof polymers Degradation taking place in the presence of oxygen and temperature It is auto catalytic in nature with a stabilizing effect at higher level of temperature Ie. The rate gradually accelaerate

More information