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    • 9. 发明公开
    • 높은 용융장력을 갖는 폴리프로필렌 수지 및 그의 제조방법
    • 具有高熔体强度的聚丙烯树脂,其具有通过用有机过氧化物反应和挤出至少两种丙烯类树脂和其制备方法获得的
    • KR1020040085637A
    • 2004-10-08
    • KR1020030020412
    • 2003-04-01
    • 롯데케미칼 주식회사
    • 한상민박상현김세훈김정수
    • C08L23/10C08K5/14
    • PURPOSE: Provided is a polypropylene resin, which has high melt strength and strain hardening index, contains very little harmful substance, shows excellent moldability, and is prepared at a low cost. CONSTITUTION: The polypropylene resin composition comprises, based on the total weight of the composition: (A) 10-90 wt% of propylene homopolymer or a binary copolymer formed of propylene with at most 10 mol% of a C2-C10 alpha-olefin monomer, present in the form of powder having a melt index of 0.1-10.0 g/10 min (ASTM 1238); (B) 10-90 wt% of propylene homopolymer or a binary copolymer formed of propylene with at most 10 mol% of a C2-C10 alpha-olefin monomer, present in the form of pellets having a melt index of 2.0-50.0 g/10 min; and (C) 0.1-2.0 wt% of an organic peroxide having a 10-hour half-life temperature of 80 deg.C or less.
    • 目的:提供具有高熔体强度和应变硬化指数的聚丙烯树脂,其含有极少的有害物质,显示出优异的成型性,并且以低成本制备。 构成:基于组合物的总重量,聚丙烯树脂组合物包含:(A)10-90重量%的丙烯均聚物或由丙烯与至多10摩尔%的C 2 -C 10α-烯烃单体形成的二元共聚物 熔体指数为0.1-10.0g / 10min的粉末形式(ASTM 1238); (B)10-90重量%的丙烯均聚物或由丙烯与至多10摩尔%的C 2 -C 10α-烯烃单体形成的二元共聚物,其熔体指数为2.0-50.0克/ 10分钟 和(C)0.1-2.0重量%的半衰期为10小时的有机过氧化物为80℃以下。