高黏度pvb樹脂及薄膜的制備

1、北京化工大學碩士學位論文高黏度PVB樹脂及薄膜的制備姓名：曹慧林申請學位級別：碩士專業(yè)：材料加工工程指導教師：苑會林20060531P薹匿瓢l(fā)訟T10N0FHlG鞭VSCOSITYpO料VINyLBUTYRA己R囂SlNANDFl己撇ABSTRACTH逸hViseosi移PVBfesi牲強d蠡l璐we糙p臻p毳豫d姆娃娃ingso啦eex主e撼of。hainextendersEf托ctofcha主nextendersonpVBfesin

2、and蠡lmwasstudiodTheaddit主onofchainextenderinsyntllesisofPVBresinwas3％oft11evolumeofbutylaldehydeandinprocessingOfthe丘lmnomorethall3％oftllequalityofPVBresin，thustheMwofPVBresinwasillcreased，adhesionofPVBfilmtoglassdecreas

3、ed，andtensilest羚ngmofPVB蠡lm癩sedgreaiImpactabiii蛉ofiaminatedsafetyglasswasnota瓣啦娃匆婊采玨ex拯ldersP∞ee麟ngtechnologyofpVB羲lmofgket黼ss趣＆d。疑e攫ec譙ofplasticizefsonPVBresin、Ⅵreexploredthfou醢glasstransit主ontemperature，mellindex，tensi

4、lestmngtllandtensileb喇【k協(xié)gelongationofpVBfilm。ExperimentresultsshoWedmatplasticizors謝thhi曲pol刪哆hadagoodcompatibilitywithPVBresinWhennle鈀mperatI王mofex仃usiondieisbetwoen130and140℃，mePVB幽eetwou疆haVe8燃ghnesssur蠡ce，把nsiies臺en

5、g融ofPVB攢mcouidreach35艘a粕鑫t董話te蕤sileb轄8鏊i輕gelong藤。矗ofPV轉(zhuǎn)蠡l差玨eou疆酶州ef20溉，鏹糖eeouldmeet也efequirementofla壤inaledsafelyglass。The濉alandphotoagingmech城弧ofPVBfihw鷸studi娃by妞useofIRspoctmandthechangeoftensilebreakingstrengtllTheres

6、ultshowedthatten8；ilebreakingstrengⅡ1oftllePVBfilmwasincrea8edaIldthenreducedduringbotllof戧1ethermalandphotode德riorationsIntb伽nalaging，somepiasticizerinmefilmwasevapor毪ted躐d穗ePV轉(zhuǎn)蕊ain啪s№整ell；butinphotoagin函蛀搟PV轉(zhuǎn)商ainsweree