International Journal of Engineering Technology, Management and Applied Sciences. January 2017, Volume 5, Issue 1, ISSN

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1 ecs a eaco echas of Cerc Iae Graf Coolyerzao of Ehyl Acrylae oo Sou Sal of Parally Carboxyehylae Sou Alae J. H. Trve*.. Prajaa P. G. Deare of Chesry Gujara Iusral esearch a Develoe Aecy (GIDA) Sarar Pael Uversy Vaoara Vallabh Vyaaar Gujara Sae Gujara Sae ABSTACT The ec a echas of raf of ehyl acrylae (EA) oo Sou sal of Parally Carboxyehylae Sou Alae (Na PCSA DS = 0.605) was sue. The exereal resuls were fou o be oo areee wh he roose ec schee. INTODUCTION Ao varous waer soluble olysacchares sou alae s coose of wo 1 lycoscally le ooers vz. β-d-auroc ac () a α-uluroc ac (G). However he relave aous of hese ooers ( a G) s oe fxe a vares realy wh he or of he alae ae of he alae a he eho of exraco. SA s abualy avalable cos effecve a evroe frely bu suffers fro cera rawbacs le boeraably ressace o checal a crobal aac a lac of rocess whch ulaely l s use [1-]. I orer o overcoe hese ffculy he rese wor he carboxyehyl ervave ca be reare a ha ervae ca be furher ofe by raf of ehyl acrylae by us cerc aou rae as a reox aor acao ha raf eables rouco of secal roery he olyer. I he rese wor we are o o reor he ecs a echas of raf of ehyl acrylae oo sou sal of arally carboxyehylae sou alae us cerc aou rae as a reox aor. EXPEIENTAL I orer o scover he oal reaco coos for affor axu erceae of raf of ehyl acrylae oo sou sal of arally carboxyehylae sou alae us cerc aou rae as a reox aor olyerzao was carre ou uer varous reaco coos whch are reore elsewhere. The varable sue clue he aou of subsrae coceraos of ooer aor rc ac as well as reaco e a eeraure. O he bass of vare reaco varables he raf yels obae are %G = 3 a %GE = ESULTS AND DISCUSSION ecs a echas I he cerc-ae raf he bacboe (.e sou sal of arally carboxyehylae sou alae) s hav wo reacve rous le hyroxyl a carboxylae ao. These rous are ow o for a colex wh cerc-o. The colex ay ssocae v rse o free racal ses oo Na-PCSA. The 37 J. H. Trve.. Prajaa

2 echas of free racal raf coolyerzao of ehyl acrylae (EA) oo Na-PCSA s exece o rocee accor o he follow schee: () acal eerao: X H + Ce + [Colex] X + Ce +3 + H + (1) () Iao: X X () Ce Ce 3 H (3) () Proaao: X (v) Terao: X 1 1 () (5) Two yes of erao ay ae lace: (a) A lower Ce + coceraos he row cha s erae by he recobao of ouble racals: X X 1 ea olyer (6) X 1 1 ea olyer ea olyer (7) (8) (b) A hher Ce + coceraos he row cha s erae by a sle racal: X Ce x Ce 3 H (9) Ce 3 Ce H (10) 38 J. H. Trve.. Prajaa

3 (v) Oxao: X + Ce + o oxao roucs + Ce +3 + H + (11) Ce 3 H + Where X H eoes he reacve rous of Na-PCSA s he ooer (EA) s he equlbru cosa a ' ' ' '' ' a o are he rae ' ' '' cosas of he resecve reacos s assue ha 1 a 1. ' 1 1 [X H][][Ce (IV)] [X H] [] (1) Now he rae of hooolyerzao h s h [] 1 [Ce (IV)] [X H] [] (13) a he oal rae of olyerzao woul be = + h Slarly for he case of sle racal erao [] [X - H] [] ( / )[Ce(IV)] o (1) (15) h x [] (16) h [X H] [] [] ( o/ )[Ce(IV)] (17) The above scusso ca ore or less be llusrae by he aa Tables 1 a. 39 J. H. Trve.. Prajaa

4 Table 1. aes of olyerzao () a raf coolyerzao () for raf of EA oo Na-PCSA ( DS= 0.605) a varous aor coceraos a. [CAN] x 10 3 x 10 6 x 10 6 (ol/l) (ol L -1.s -1 ) (ol L -1.s -1 ) Na-PCSA = 1.5 (ry bass); [HNO 3 ] = 0.0 ol.l -1 ; [EA] = 0.30 ol.l -1 ; Te = 5 h; Teeraure = 0 o C a Toal Volue = 150 L Table. ae of olyerzao olyerzao () for raf coolyerzao of EA oo Na-PCSA ( DS= 0.605) a varous ooer coceraos a. [ooer] (ol. L -1 ) x 10 6 (ol L -1.s -1 ) Na-PCSA ( DS = 0.605) = 1.5 (ry bass); [CAN] = 0.0 ol.l -1 ; [HNO 3 ] = 0.0 ol.l -1 ; Te = 5 h; Teeraure = 0 o C a Toal Volue = 150 L. The lo of versus [CAN] shoul be lear a lower [CAN] accor o Eq. 1. Such ye of ycal lo s show Fure 1. Fro hs fures s see ha he lo s lear a lower [CAN] whch arees wh erao by recobao of ouble racals (Eq.1) bu a hher [CAN] lo evaes fro leary. Ths ay be ue o sle racal erao (Eq.15) whch ecreases he rae of raf coolyerzao 0 J. H. Trve.. Prajaa

5 x 10 6 (ol. L -1. s -1 ) [CAN] (ol. L -1 ) Fure 1. Plo of ( ) - x10 6 versus [CAN] aa e al. [5] reore ha o / = 50 for he suy of he ehylee lycol acrylorle syse a furher sae ha o s eeral coserably larer ha. Accorly oe ca wre: ( o / ) [Ce + ] >> [] (18) a hece he Eq.(15) a Eq.(17) reuces o [] [X - H] ( / )[Ce(IV)] o (19) a [] [X - H] ( / )[Ce (IV)] o (0) resecvely. 1 J. H. Trve.. Prajaa

6 The effec of he cocerao of EA as well as ha of aor [CAN] o he overall rae of olyerzao ( ) as exece fro he above relao s exelfe Fure. The los of versus [] a versus 1 / [Ce + ] are fou o be lear suor he schee.. 1/[Ce + ] (L. ol -1 ) P x 10 6 (ol. L -1. s -1 ) P x 10 6 (ol. L -1. s -1 ) [EA] x 10 (ol. L -1 ) Fure. Plo of ( ) x 10 6 versus [] & ( ) - x 10 6 versus 1/[Ce + ] CONCLUSION: The exereal resuls are fou o be very oo areee wh he roose ec schee of free racal raf coolyerzao. ACNOWLEDGEENTS Oe of us (P) s raeful o sry of Earh Sceces (oes) New Delh for he facal asssace. Ths rojec wor was face by oes New Delh uer schee No. oes/11-df/1/0/p/07. 1//008. EFEENCES 1. Hebesh A. a Guhre J. T The chesry a Techoloy of cellulosc coolyers; Srer-Vera Berl.. aur I. a shra B. N Ha Boo of Eeer Polyer aerals Ncholas P. Cheresoff E; arcel Deer Ic Bhaacharya A. a shra B. N. 00. Graf: a versale eas o ofy olyers: Techques facors a alcaos. Proress Polyer Scece; Bhaacharya A. awls J. W. a ay P Polyer Graf a crossl; Joh Wley a sos USA. 5. aa A. A. ulshresha V.. a archessaul. H Graf of vyl ooers o cellulose by cerc o ao. Joural of Polyer Scece Par C J. H. Trve.. Prajaa