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    • 3. 发明公开
    • 초임계 유체를 이용한 발포 사출성형용 폴리프로필렌 수지 조성물
    • 聚丙烯注射用超临界流体喷射成型的聚丙烯组合物
    • KR1020130053648A
    • 2013-05-24
    • KR1020110119176
    • 2011-11-15
    • 현대자동차주식회사한화토탈 주식회사
    • 최민호이윤환김성세
    • C08L23/16C08L23/12B29C44/42C08J9/08
    • PURPOSE: A polypropylene resin composition is provided to be useful for foam injection molding, to prevent shrinkage phenomenon, and to increase the thickness of a dog house. CONSTITUTION: A polypropylene resin composition for injection molding using a supercritical fluid, using a supercritical fluid as a foaming agent comprises a propylene-ethylene block copolymer which consists of a propylene homopolymer and propylene-ethylene random copolymer rubber; an ethylene-propylene block copolymer which consists of an ethylene-propylene random copolymer or ethylene-propylene random copolymer and ethylene-propylene copolymer rubber; an elastomer of ethylene-olefin random copolymer; and inorganic filler. [Reference numerals] (AA) Example 1; (BB) Comparative example 1; (CC) Comparative example 2
    • 目的:提供聚丙烯树脂组合物可用于泡沫注射成型,以防止收缩现象,并增加狗屋的厚度。 构成:使用超临界流体作为发泡剂的使用超临界流体注射成型的聚丙烯树脂组合物包括由丙烯均聚物和丙烯 - 乙烯无规共聚物橡胶组成的丙烯 - 乙烯嵌段共聚物; 由乙烯 - 丙烯无规共聚物或乙烯 - 丙烯无规共聚物和乙烯 - 丙烯共聚物橡胶组成的乙烯 - 丙烯嵌段共聚物; 乙烯 - 烯烃无规共聚物的弹性体; 和无机填料。 (标号)(AA)实施例1; (BB)比较例1; (CC)比较例2
    • 5. 发明公开
    • 미세 사출 발포용 폴리프로필렌 수지 조성물
    • 聚丙烯树脂组合物用于微细注射成型
    • KR1020130074805A
    • 2013-07-05
    • KR1020110135885
    • 2011-12-15
    • 한화토탈 주식회사
    • 이윤환임재곤김성세
    • C08L23/10C08K5/14C08K7/14C08J9/04
    • PURPOSE: A polypropylene resin composition for microcellular injection molding is provided to comprise fine cell size, uniform cell distribution, and excellent surface appearance, and ensure improved rigidity, shock-resistance, heat-resistance, and dimensional stability. CONSTITUTION: A polypropylene resin composition for microcellular injection molding comprises: (A) at least one mixture selected from a group composed of 25-63 weight% of propylene homopolymer with 5-100 g / 10 minute (230°C, 2.16kg) melt index and propylene-ethylene block copolymer; (B) 5-20 weight% of polypropylene resin and organic peroxide master batch including peroxydicarbonate; (C) 15-35 weight% of glass fiber; (D) 5-25 weight% of flake-type mineral filler with 1-10 micron average particle diameter; and (E) 2-10 weight% of maleic anhydride grafted polypropylene.
    • 目的:提供一种微孔注射成型用聚丙烯树脂组合物,包括细孔尺寸,细胞分布均匀,表面外观优异,确保刚性,抗冲击性,耐热性和尺寸稳定性的改善。 构成:用于微孔注射成型的聚丙烯树脂组合物包含:(A)至少一种选自25-63重量%的丙烯均聚物与5-100g / 10分钟(230℃,2.16kg)熔体 指数和丙烯 - 乙烯嵌段共聚物; (B)5-20重量%的聚丙烯树脂和有机过氧化物母料,包括过氧化二碳酸酯; (C)15-35重量%的玻璃纤维; (D)5-25重量%的平均粒径为1-10微米的片状矿物填料; 和(E)2-10重量%的马来酸酐接枝的聚丙烯。