Ʒ


ڵλãվҳ >
ppʵľ
ʱ䡡2015/5/7 8:59:353138 Ρ
PPѰĿѧܼΌ
ߴȵPPڰ뵼幤ҵҲϸʺһעҽ豸עܳͻӹͺӡڹܲġ˲ϡͲҪȾϩƷߵƷƱ˫PPBOPPƵģˡ
۱ϩѧGiulio Natta1950ڷֵġִѧУһڲͬصͬһʱڷ۱ϩһ˵ӣ˴ԼŴΡרʦĺϷľ籾1989Ÿ
۱ϩһֱͼⳡ磬ڷʯ͹˾ѧJ. Paul HoganRobert BanksڱΪһϵĹٷߡ۱ϩҲ־ϩһdzҹӦ㡣Ʒƿ̺ϼҾߣҵҲdz
۱ϩһָ߸ԲϣPEͬϩܶȵ0.90ɼ벣άͿʣ̼ƣǿPPʺ0oCʹáҪ¶ʹãöϩۣͲ˹PPPPĵIJ¶90oCѧƷᡢܷdzáþPP㲿зdz͵ʪԣעʱ󡣵ܺܺãܡ͸ܺܲ
ѧԵij÷һԱԵ֬ΪһԪԵΪһԪڷӦڽн֦۲µĹڶַǽ֬ΪҪԭϣͨ֬еļԪضЧĸԡ
۱ϩ㷺ϹܲĵPPһֿϻܲIJϣΪ˸PPܣͨѧԷPP-BPP-R֬
PP-B֬DZϩϩǶιϳɱϩ-ϩǶιҪۺϷӦ
һڵϩۺϳɾ۾۱ϩһǽһӦľPPϩγɱϩ-ϩǶιγϩ-ϩԶΡPP-B֬ʵǾPPϩĹ۸ԡԺPP-B֬PEPPŵ㡣
PP-RԹPPΪϩԶɵ޹۱ϩ޹PPķСֻмھС۵ͣеܲֻоϩԵ޹PPʵӦüֵԹǽϩ෨뷴ӦϵͳϴӵһӦ͵ڶӦڵڶӦмϩø߻ԡѡԵıϩ߻ڷӦϲ轫ȵطɢϲϣͨϩϩıγ޹湲־ۺıPPĹͣʹϩPPķȵؾۺϡ
ͨPPȣPP-RϵӦԵõߣ¶Ⱥѹ£˥dzĿǰˮܵΪIJ֮һ
ѧԴ²
ѧԲԸıһ֬ܣҿƷ֬ϡһЩĿǰõ֬ϾͨԵģ糬߷ϩ(UHMPE)ǻѧԵIJֳ߷ϩHDPEϵĻеܡĥԺԳϣеܺ͸ʴԲھķϩ(PTFE)
LLDPEҲͨѧԵġϩۺ붡ϩϩϩa-ϩ൥γɵĹHDPEƵķӹͣܶȺͽᾧȡLLDPEõͻӦԣеҲLDPEˣӦ÷ΧҲӦˡȻϩCPEҲǻѧԵIJHDPEͨȻIJȣCLȡHDPEе⣨HʹܵᾧƻӶʹøһĵԡüעܵȷӹCPEƷ㷺ڽȷ棬CPEΪһĸԼͨķPEϵȼԺPVCϵĿԡ
Թ԰֬һֻͨеʽйԴﵽijЩҪַʽǹԡԲܸıӹͣԸµܡ
PEĹԽΪѣԭPE֬ļԽϲΪ˸ļԣͨҪһмʡHDPEPPDzݵģҪʹ֬죬мұ𽺣ϩϩֳƶԪұ𽺣Ըԡ
ϹܲPP-H֬ҲͨԶɵġԾPP֬Ϊһ͸ԼPP֬۶ϩʹ죬PP֬EVAȡͼļԴ5%-20%ȣԵõͬԡ
ʵУڲϵĸͨҪˣڹԹм˳ҲǺҪģϲܴﵽЧ