Intertech Conference. September , Daniel B. Pourreau Technical Service Manager ARC0 Chemical Company

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1 ntertech Conference September , 1995 Daniel B. Pourreau Technical Service Manager ARC0 Chemical Company

2 Outline Hazardous Solvent ssues Replacing -T in Degreasing Safer Paint Stripping with NMP ARCO Chemical Products ARCO Chemical Company Contacts & Phone Numbers

3 Why Chlorinated Solvents are U nder Regulatory Pressure * A non-chlorinated alternative to Methylene Chloride x Persist in the Environment x Tend to be carcinogenic x High exposure hazard : :

4 Chlorinated Solvents World Market Shrinking 5.5 MMM bs in 1990 ll-t 1,880 PERC 1,350 (HAP) CFC MeC12 1,270 (HAP) (HAP, VOC) VOCs: 1990 Compliance ODCs: 1995 Phaseout HAPS: 1997 Compliance : :

5 Chlorinated Solvents 1990 World Demand.Metal Cleaning ll-t 1,130 PERC 205 MeC TCE 530 CFC T and CFC 113 Phaseouts TCE, PERC, and MeC12 all HAP-listed NESHAP Compliance Starts 1997 New Technologies Taking Over % replacement expected Ah 7r

6 Metal Cleaning Alternative Technologies Aqueous Cleaners 60% Non-Aqueous Solvent Cleaners 20% Chlorinated Solvents 15% Other 5% 60-90% water Surfactants Glycol ethers Hydrocarbons Anti foam agents Rust inhibitors Electrolytes Hydrocarbons NMP Glycol ethers Ketones Alcohols TCE MeCL2 HCFC Oxsol C02 Snow Supercritical fluids HFC No cleaning

7 DPTB* DPM PTB PE DPNB DPNP PNP PNB TPM COMMERCAL PM vJ % CSMA Soil Removed 5 minutes in ultrasonic bath ComDonent pgg? Glycol Ether 5.8 Sodium Metasilicate 0.2 Monoethanolamine 0.2 Triton X o SDDBS 2.0 Water m Total Non Flammable/Low VOCs/Non-HAPS 4 Aluminum-safe/ Add corrosion inhibitor for steel 4 Cost Effective 1 4 Low Health Hazards AL 4 Best for immersion cleaning 7v

8 Metal Cleaning with Non-Aqueous Degreasers ll-t PED-Limonene PMAD-Limonene Formulation PMD-Limonen PMAlsopar G Component wt% PMlsopar G ARCOSOLV PElsopar G Hydrocarbon Commercial Total Minutes to Clean Average of seven soils Ambient Temperature 4 High Performance/Fast Evaporation 4 Combustible or Flammable 4 Cost Effective 4 Low Health Hazards 4 Best for hand-wipe cleaning

9 Metal Cleaning with Microem u lsion Deg reasers Formulation Commercial A % Lithium Grease Removed 3 minutes at ambient temperature 1 Component Water ARCOSOLVs Surfactant Hvdrocarbon Total wt% Higher performance than aqueous 4 Less VOCs than non-aqueous 4 Combustible to Flammable 4 For immersion or hand-wipe cleaning

10 Metal Cleaning with NMP F Step 1 Step 2 Hot Air Blow Dry Step 3 \r Heated Bath Required (120-14OF) Vapor Degreaser conversion possible Hot NMP or Water Bath to Rinse & Dry \r Oil separates from cold NMP \r Low waste/low emissions: NMP recycled../ Best for cutting oil + resin cleanup Low Health HazarddLow Flammability

11 Chlorinated Solvents 990 World Demand Paint Stripping MeC12 Methylene Chloride dominates MC is HAP-listed and volatile MC and PERC carcinogenic Alternative tech nolog ies exist 90% replacement expected

12 Paint Stripping Alternative Technologies So ve n t Strippers 75% Caustic S t ri p pe rs 15% Other 10% NMP Esters Acetone Aromatics Water Strong Base Surfactant Chelator Heat Blasting Light

13 N-Methyl Pyrrolidone (NMP) v~ Polar, Aprotic Solvent 4 Broad Solvency Range Q Completely Water Soluble Readily Biodegradable Low Toxicity Low Flammability 4 Low Volatility v~ Recyclable 9 Cost Effective x On EPA's SARA 313 list 4 Not on EPA's HAP list 9 Not on California's Prop 65 list CH3 a U CAS Number Molecular Weight 99.1 glmole Boiling Point 202 c Melting Point C Flash Point 199 F Vapor C 0.3 mm Hg Density 1.03 glml 25 C 1.65 cps Surface Tension 45.8 Dyneslcm Hansen Solubility 11.2 Ah 7r

14 NMP Reduces Solvent Hazards Trichloroeth lene Methylene ChLride Methanol Perchloroeth lene Trichloroej(rane Dimethylformamide (D Acetone Toluene Ethanol ARCOSOLV PMA T-Butanol D-Limonene Diacetone Alcohol D NJP ARCOSOLV DPM ARCOSOLV DPMA ARCONATE PC L nhalation Hazard ndex Acetone MEK Heptane Toluene Ethanol Methanol sopropanol n-butyl Acetate Xylene Turpentine PM PMA DPMA NMP GBL PC Low nhalation Hazard Low Flammability Flammability ndex Ah \

15 Paint Stripping with NMP Blends Minutes to Strip 100 f ao q / M% PMA in Blend 4 NMP is active ingredient 4 Safer than Methylene Ch or de 4 Cost-effective 4 Biodegradable & recyclable Ah 7r

16 Urethane Cleanup with PC and NMP t/ NMP best mold & tool cleaner t/ PC/DPM/PG for flushing heads t/ Lower Usage than MC t/ Cost Effective and Safer Ah 7v

17 ARC0 Chemical Products for ndustrial Cleaners 4 11 non-haps Glycol Ethers 4 3 non-haps Glycol Ether Acetates 4 NMP, Propylene carbonate, GBL 4 PG, DPG, TPG, MPDiol Glycols 4 HP-MTBE, THF t/ t-butanol, i-propanol, n-propanol Breadth & Depth Performance & Safetl : :

18 Why These Alternative Solvents are Here to Stay... 4 Low environmental persistence v Water miscible 4 Comparable performance 4 Low health hazards 4 Recyclable d Lower usage/high performance d Comparable costs

19 ARC0 Chemical Worldwide Locations V Sales Offices in 21 Countries Manufacturing and R&D on 3 Continents Ah \

20 - MTBE (Fuel Additive, Solvent) Polyols (Urethane foams 8 coatings) L Polystyrene (Resins, Foams, Coatings] - sobutylene (ntermediate) Propylene Glycols (Deicers, Antifreeze) - - TEBOL 99 (Solvent, Reagent, Cleaners) TBHP Solution (Polymerization Catalysts) t P-Glycol Ethers (Coatings, Cleaners) BDO 8 Derivatives (Resins, Coatings, Solvents, ntermediates)

21 Performance Chemicals Glycols, Glycol Ethers 8t Acetates HOyOH HOyO A OH HOYO OyOH Propylene Glycol Dipropylene Glycol Tripropylene Glycol (PG, PG USP) (DPG, DPG LO) (TPG) + sobutylene + sobutylene Y A t-buo OH t-buo 0 OH Propylene Glycol Ether Acetates (ARCOSOLV TM PMA. R Methyl, n = 1) = 'ropylene Glycol t-butyl Ether Dipropylene Glycol tgutyyl Ether (ARcosoLv '' = Ethyl, (ARCOSOLV TU DPMA. R = Methyl, n = 2) (ARCOSOLV PTB) (ARCOSOLV Tu DPTB)' DBP 6/95 Performance Chemicals 'Developmental Products Propylene Glycol Ethers (ARCOSOLV w PM. R = Methyl, n = 1) (ARCOSOLV PE. R = Ethyl, n = 1) (ARCOSOLV TM PnP, R = Propyl, n = 1) (ARCOSOLV PnB, R = Butyl, n = 1) (ARCOSOLV DPM, R = Methyl, n = 2) (ARCOSOLV DPnP. R = Propyl, n = 2) (ARCOSOLV DPnB. R = Butyl, n = 2) (ARCOSOLV TU TPM. R = Methyl, n = 3) (ARCOSOLV T* TPnB, R = Butyl, n = 3)' + Acetic Acid Ah

22 ), & +,OH Performance Chemical C4 Specialties & Others + + A +OH lsobutane fed-butyl Hydroperoxide fed-butanol (T-HYDRO TU Solution, 70% in water) (TEBOLw 99) Acetone Ethylbenzene o^?h + Methylbenzyl Alcohol DBP 6/95 Perlonance Chemicals OOH Ethylbenzene Hydroperoxide + roh Phenethil Alcohol (PW K sobutylene (HPB) + Methanol Methyl-fed-Butyl Ether (ARCOPURE TU MTBE) 10..

23 llll Performance Chemicals '1111 p<:i) BDO & Derivatives Propylene Oxide Allyl Alcohol (PO) (W,4-Butanediol PO) -H2 f \-bo 4 Z,3-Methyl-,3-propanediol (MPDioW Glycol) -OH + n-propanol (NPW Allyl Alcohol Propoxylate' 0 (AP 1375) Diallyi Phthalate (DAW Styrene Allyl Alcohol Resins (SAA-OO a stw-101) gamma-butyrolactone (GEL) + CH3NH, Tetrahydrofuran (TW 8 DBP 8/95 Performance Chemicals * Developmental Product N-Methvl-2-Pvmlidone <(NM~)

24 ARC0 Chemical Contacts b Customer Service Orders, Samples, Literature b Sheila Brown (610) Market Specialist, DegreasingPaint Strippers b Kate Sparks (610) Market Specialist, Household & Consumer Cleaners b Keith Hamilton Market Specialist, ndustrial Resin Cleanup LOU Nudy (610) Quality & Safety Manager, Performance Chemicals b Dan Pourreau (610) Technical Service Manager, Performance Chemicals Ab Y

Acetals, more than solvents. Expanding Chemistry 8-9 November 2017

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