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    • 31. 发明公开
    • 자동차 리어스포일러 압출용 폴리프로필렌 수지 조성물
    • 用于挤出汽车后轮的聚丙烯树脂组合物
    • KR1020040011649A
    • 2004-02-11
    • KR1020020044465
    • 2002-07-27
    • 현대자동차주식회사
    • 이성준조성민최현민
    • C08L23/14C08K5/14
    • C08L23/142C08K5/14C08L2205/02
    • PURPOSE: A polypropylene resin composition which is applicable to blow-extrusion under a conventional extrusion condition for general polypropylene, for forming a rear spoiler of automobile, owing to its excellent melt strength, is provided by comprising an organoperoxide having a certain half-life temperature and additionally a styrene-based rubber. CONSTITUTION: The polypropylene resin composition which can be blow-extruded to form a rear spoiler of automobiles comprising: (A) 60-90 wt% of propylene copolymer with C2, C4-C10 olefins, having 300,000 g/mol or more of a molecular weight and 0.1-3 g/10 min. of melt index at 230 deg. C; (B) ethylene-styrene copolymer rubber; and (C) 0.05-0.5 pts.wt. of organoperoxide based on 100 pts.wt. of the base resin consisting of (A) and (B), wherein the organoperoxide has 80 deg.C or less of half-life temperature based on the 10 hour of half-life temperature.
    • 目的:提供一种聚丙烯树脂组合物,其通过常规的挤出条件对普通聚丙烯进行吹塑,由于其优异的熔体强度而形成汽车的后扰流板,其包括具有一定半衰期的有机过氧化物 以及苯乙烯基橡胶。 构成:可吹塑以形成汽车后扰流板的聚丙烯树脂组合物,其包含:(A)60-90重量%的丙烯共聚物与C2,C4-C10烯烃,具有300,000g / mol以上的分子 重量和0.1-3g / 10min。 熔体指数在230度。 C; (B)乙烯 - 苯乙烯共聚物橡胶; 和(C)0.05-0.5重量份 的基于100重量份的有机过氧化物 由(A)和(B)组成的基础树脂,其中基于半衰期的10小时,有机过氧化物的半衰期为80℃以下。
    • 39. 发明授权
    • 사출발포 일체 성형용 폴리프로필렌 수지 조성물
    • 一步注射 - 泡沫成型工艺的聚丙烯树脂组合物
    • KR100666795B1
    • 2007-01-09
    • KR1020050117221
    • 2005-12-02
    • 현대자동차주식회사롯데케미칼 주식회사
    • 정기연한인수조성민이동우
    • C08L23/16C08L23/10C08K3/00
    • Provided is a polypropylene resin composition for one-step injection-blow molding process, which emits no bad odor, has excellent hardness, flexibility, low-temperature impact property, injection moldability and foamability, and is useful for the manufacture of an instrument panel, door trim or surface material of a car. The polypropylene resin composition for one-step injection-blow molding process comprises: (a) 5-20 wt% of a polypropylene resin selected from a propylene homopolymer and a binary polymer formed of propylene and C2-C10 alpha-olefin; (b) 50-70 wt% of an ethylene-alpha-olefin copolymer rubber comprising ethylene and 10-30 wt% of C2-C10 alpha-olefin and having a Mooney viscosity of 3-10 (ML1+4, 121 deg.C); (c) 10-30 wt% of ethylene-octene wax having an octene content of 10-40 wt% and a melt index of 500-1500g/10 min. (2.16 kg, 230 deg.C); and (d) 3-10 wt% of inorganic fillers.
    • 本发明提供一种注塑吹塑成型方法的聚丙烯树脂组合物,其不产生恶臭,具有优异的硬度,柔韧性,低温冲击性,注塑成型性和发泡性,并且可用于制造仪表板, 车门饰面或汽车的表面材料。 用于一步注射吹塑法的聚丙烯树脂组合物包括:(a)5-20重量%的选自丙烯均聚物和由丙烯和C 2 -C 10α-烯烃形成的二元聚合物的聚丙烯树脂; (b)50-70重量%的包含乙烯和10-30重量%的C 2 -C 10α-烯烃并且门尼粘度为3-10(ML1 + 4,121℃)的乙烯-α-烯烃共聚物橡胶 ); (c)10-30重量%的辛烯含量为10-40重量%,熔体指数为500-1500克/ 10分钟的乙烯 - 辛烯蜡。 (2.16kg,230℃); 和(d)3-10重量%的无机填料。