Document QXkdpGxJQb8zv726D2mEV4pBk

a Sam venrn aw Fa E. |. ou Pont oe Nemours & ComPANY pree" n SE 2b Yo et, p3oSweetttheeri R. F. Janis, Jr. J.P. Yuk ezz- 2 1657 separ 30, 88 SECTION 1 - TEFLON A. FC-143 ia Teflon Products = S. S. Shelburne Ba eer ee Objective: Determine reeeero : n levels of FC-143 fn the Teflon process, oFthe Satan: dnntyta of thermal esataent of FO-L43 sodium sal a compiste. T FTa E ahrerresulo ts e e sthownethta at a FbAyCn -1s4hhr3aoerbseoesdwiiureemeenssactlataAtupeereosSneranLteasospnaaprmTnsetamftlaePogenratofiaIoans1nid1esT By eevee Pathe i 1a sor ae esas comics ARL (Mokhtar) has shown that Teflon I and T yarns heated ac 175C for a Fe ote ries. IR scans of off-gas from yarns heated at 200C and 250C confirm the presence preseace of of athefl0uo,ropcaerabkonatga2s35b0y ctahle acobnsfoirrpmtsionCOpeeakvolautti1o2n5,0 ica.~el.., tThhee BE e eo ET E r Et Tr o aereeeenaeonaeewasolohessorwesrioigioved shou the presence of a C-i absorption peak at 3010 cal. This shows BE ors peter aonchydride. There is no evidence of an olefine (C = C, 1790 cal) E iPF hlwlege or ats seeemoTe emmennctIiersit iooni)npvoeR orettieerondPiott peyestenl,1-c8ahs5o)th.vnetgd,sheFsTnTooetton azount was 90 10% of the theoretical, showing that mo other major ITRheEsEestiRg mtecEtromn Isapesiemeendweoteneccktess hooatbeen Saaseaahllebde woonotshbeo SESShUo0o0t sation 000081 crores ! ray Rea vo.zr r-t0T Fit 1$5S. } hH TETEHgE ee RR eaE tb Ee e HEEre Ee ee e = o JE RE e bebo Hr e nE EE e e SHEE Ee He F E EES eeee S SH ERE EESEeee ee neePe EeEe ee di Teh eee re = d : HE m Ee ea ee ea-- HP E E eEEEe P RE EE=S BE [ Ponmdpee EE eee = 6 EP eS S Eh E-- R eEe -- Ed Ec= e= e -- --e =l r3n E= EE eee E + h by S me F e --------e FEE-- e eE e ----e=1 e = C = CE aeG n 2 =2 Ire I aEeeseee e e == e e == = EEE eeee Ee Ce == E fe en e aee r e se e eear aal h) FARM TNS eis' oornioeo*siosrsa 000082