氯化原位接枝含氟丙烯酸酯对PVC性能的影响  

Influences of in-situ chlorinating and grafting with fluorine-containing acrylic esters on properties of PVC

作　　者：王金明 董建国[2] 毕晓红[3] 

机构地区：[1]凯瑞化工股份有限公司,河北沧州061000 [2]中海油天津化工研究设计院,天津300131 [3]沧州大化集团有限责任公司,河北沧州061000

出　　处：《聚氯乙烯》2012年第5期16-21,共6页Polyvinyl Chloride

摘　　要：通过氯化原位接枝法制备了PVC/含氟丙烯酸酯接枝共聚物(以下简称改性PVC树脂),考察了含氟丙烯酸酯的种类和用量对改性PVC树脂性能的影响,以及改性PVC干混料加工性能的变化。结果表明:①在考察的4种含氟单体(丙烯酸三氟乙酯、丙烯酸六氟丁酯、丙烯酸八氟戊酯、丙烯酸十二氟庚酯)中,采用丙烯酸六氟丁酯生产的改性PVC树脂综合性能最好;②当m(丙烯酸六氟丁酯)∶m(PVC)=5∶95时,改性PVC树脂的综合性能较好;③改性PVC树脂的加工性能得到改善。PVC/fluorine-containing acrylic cstcr copolymcrs （hcrcinaftcr rcfcrred to as modified PVC rcsins） wcrc prepared by in-situ chlorinating graft method. Influences of varieties and dosages of fluorine-con- taining acrylic esters on properties of modified PVC resins were investigated ,is well as the changes of processing properties of thc modificd PVC dry blends. The results show that： （1） among the four investigated fluorine- containing monomers （i. c. trifluorocthyl acrylatc, hexafluorobutyl acrylate, octafluoropcntyl acrylate and dodccafluoroheptyl acrylate）, PVC re-sins modified by hexafluorobutyl acrylate have the best comprehensive properties; （2） better comprehensive propertics can be obtaincd when the mass ratio of hexafluorobutyl acrylate to PVC is 5 ： 95; （3） the processing properties of modified PVC resins are improved.

关 键 词：PVC 氯化原位接枝法 丙烯酸六氟丁酯 性能 

分 类 号：TQ325.3[化学工程—合成树脂塑料工业]