合成树脂及塑料
閤成樹脂及塑料
합성수지급소료
CHINA SYNTHETIC RESIN AND PLASTICS
2013年
2期
71-74
,共4页
杨建波%高俊刚*%刘孝谦%张保发
楊建波%高俊剛*%劉孝謙%張保髮
양건파%고준강*%류효겸%장보발
聚氯乙烯%丙烯腈-氯化聚乙烯-苯乙烯共聚物%热稳定剂%氧化镧%己二酸锌%聚甲基丙烯酸钙
聚氯乙烯%丙烯腈-氯化聚乙烯-苯乙烯共聚物%熱穩定劑%氧化鑭%己二痠鋅%聚甲基丙烯痠鈣
취록을희%병희정-록화취을희-분을희공취물%열은정제%양화란%기이산자%취갑기병희산개
polyvinyl?chloride%acrylonitrile-chlorinated?polyethylene-styrene?copolymer%thermal?stabilizer%lanthanum?oxide%zinc?adipate%poly(calcium?methacrylate)
要:?为提高聚氯乙烯(PVC)/丙烯腈-氯化聚乙烯-苯乙烯共聚物(ACS)复合材料的加工热稳定性,制备了一种新型复合热稳定剂——氧化镧(La2O3)/己二酸锌/聚甲基丙烯酸钙对复合材料改性.用刚果红法研究了复合稳定剂对PVC/ACS热稳定性能的影响;用转矩流变仪、动态力学分析仪、冲击和拉伸试验机测定了不同m(Zn)/?m(Ca)时添加La2O3对PVC/ACS试样的塑化行为、耐热性、动态力学和力学性能的影响.结果表明:m(Zn)/m(Ca)一定,添加La2O3后,复合材料的热稳定时间延长,玻璃化转变温度、力学性能均有所提高.当La2O3/己二酸锌/聚甲基丙烯酸钙的质量比为10∶6∶9时热稳定时间最长,达215?min.
要:?為提高聚氯乙烯(PVC)/丙烯腈-氯化聚乙烯-苯乙烯共聚物(ACS)複閤材料的加工熱穩定性,製備瞭一種新型複閤熱穩定劑——氧化鑭(La2O3)/己二痠鋅/聚甲基丙烯痠鈣對複閤材料改性.用剛果紅法研究瞭複閤穩定劑對PVC/ACS熱穩定性能的影響;用轉矩流變儀、動態力學分析儀、遲擊和拉伸試驗機測定瞭不同m(Zn)/?m(Ca)時添加La2O3對PVC/ACS試樣的塑化行為、耐熱性、動態力學和力學性能的影響.結果錶明:m(Zn)/m(Ca)一定,添加La2O3後,複閤材料的熱穩定時間延長,玻璃化轉變溫度、力學性能均有所提高.噹La2O3/己二痠鋅/聚甲基丙烯痠鈣的質量比為10∶6∶9時熱穩定時間最長,達215?min.
요:?위제고취록을희(PVC)/병희정-록화취을희-분을희공취물(ACS)복합재료적가공열은정성,제비료일충신형복합열은정제——양화란(La2O3)/기이산자/취갑기병희산개대복합재료개성.용강과홍법연구료복합은정제대PVC/ACS열은정성능적영향;용전구류변의、동태역학분석의、충격화랍신시험궤측정료불동m(Zn)/?m(Ca)시첨가La2O3대PVC/ACS시양적소화행위、내열성、동태역학화역학성능적영향.결과표명:m(Zn)/m(Ca)일정,첨가La2O3후,복합재료적열은정시간연장,파리화전변온도、역학성능균유소제고.당La2O3/기이산자/취갑기병희산개적질량비위10∶6∶9시열은정시간최장,체215?min.
@@@@improve?the?thermal?stability?of?polyvinyl?chloride?(PVC)/acrylonitrile-chlorinated?polyethylene-styrene?copolymer?(ACS)?composites.?The?influences?of?La2O3/zinc?adipate/poly(calcium?methylacrylate)co-stabilizer?on?the?thermal?stability?property?of?PVC/ACS?blend?were?studied?by?Congo?red?testing?method.?The?effects?of?adding?La2O3?on?plasticizing?behavior,?heat-resistance,?dynamic?mechanical?property?and?mechanical?properties?of?PVC/ACS?at?different?mass?ratios?of?Zn?to?Ca?were?tested.?The?results?indicate?that?the?thermal?stability?time,?glass?transition?temperature?and?the?mechanical?properties?are?all?increased?after?adding?La2O3?at?certain?mass?ratio?of?Zn?to?Ca.?When?the?mass?ratio?of?La2O3,?zinc?adipate?and?poly(calcium?methacrylate)is?10∶6∶9,?the?thermal?stability?time?reaches?215?min.
