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    • 3. 发明授权
    • Resin composition and resin product
    • 树脂组合物和树脂制品
    • US08604117B2
    • 2013-12-10
    • US12452663
    • 2008-08-08
    • Masao KobayashiKoichi OgisoKatsushi ItoKiyoshi Suenaga
    • Masao KobayashiKoichi OgisoKatsushi ItoKiyoshi Suenaga
    • C08K3/34
    • C08L23/10C08K3/346C08L23/0815C08L23/12C08L23/16C08L53/00C08L53/025C08L2205/03C08L2666/02
    • A resin composition is provided which is improved in fluidability, stiffness and impact resistance and therefore can achieve the reduction in wall thickness of a resin product for automotive interior/exterior applications comprising a polypropylene resin; and a resin product produced from the resin composition.The resin composition comprises 30 to 65 mass % of an ethylene-propylene block copolymer having a melt flow rate of 60 to 120 g/10 minutes and a Charpy impact strength of 3 kJ/m2 or more; 0 to 25 mass % of a homopolypropylene resin having a melt flow rate of 10 g/10 minutes or more and a modulus of elasticity of 2000 MPa or more; 5 to 20 mass % of an ethylene-α-olefin copolymer rubber having a Mooney viscosity of 20 to 75 or a styrene-ethylene butylenes-styrene copolymer having a styrene component content of 15 to 30 mass %; and 23 to 37 mass % of talc having an average particle diameter of 8 μm or less.
    • 提供一种提高了流动性,刚度和耐冲击性的树脂组合物,因此可以实现包含聚丙烯树脂的汽车内部/外部应用的树脂制品的壁厚减小; 和由树脂组合物制成的树脂产品。 树脂组合物含有30〜65质量%的熔体流动速率为60〜120g / 10分钟,夏比冲击强度为3kJ / m 2以上的乙烯·丙烯嵌段共聚物, 0〜25质量%的熔体流动速率为10g / 10分钟以上,弹性模量为2000MPa以上的均聚丙烯树脂; 5至20质量%的门尼粘度为20至75的乙烯-α-烯烃共聚物橡胶或苯乙烯组分含量为15至30质量%的苯乙烯 - 乙烯丁烯 - 苯乙烯共聚物; 和23〜37质量%的平均粒径为8μm以下的滑石。
    • 4. 发明申请
    • RESIN COMPOSITION AND RESIN PRODUCT
    • 树脂组合物和树脂产品
    • US20100137498A1
    • 2010-06-03
    • US12452663
    • 2008-08-08
    • Masao KobayashiKoichi OgisoKatsushi ItoKiyoshi Suenaga
    • Masao KobayashiKoichi OgisoKatsushi ItoKiyoshi Suenaga
    • C08K3/34
    • C08L23/10C08K3/346C08L23/0815C08L23/12C08L23/16C08L53/00C08L53/025C08L2205/03C08L2666/02
    • A resin composition is provided which is improved in fluidability, stiffness and impact resistance and therefore can achieve the reduction in wall thickness of a resin product for automotive interior/exterior applications comprising a polypropylene resin; and a resin product produced from the resin composition.The resin composition comprises 30 to 65 mass % of an ethylene-propylene block copolymer having a melt flow rate of 60 to 120 g/10 minutes and a Charpy impact strength of 3 kJ/m2 or more; 0 to 25 mass % of a homopolypropylene resin having a melt flow rate of 10 g/10 minutes or more and a modulus of elasticity of 2000 MPa or more; 5 to 20 mass % of an ethylene-α-olefin copolymer rubber having a Mooney viscosity of 20 to 75 or a styrene-ethylene butylenes-styrene copolymer having a styrene component content of 15 to 30 mass %; and 23 to 37 mass % of talc having an average particle diameter of 8 μm or less.
    • 提供一种提高了流动性,刚度和耐冲击性的树脂组合物,因此可以实现包含聚丙烯树脂的汽车内部/外部应用的树脂制品的壁厚减小; 和由树脂组合物制成的树脂产品。 树脂组合物含有30〜65质量%的熔体流动速率为60〜120g / 10分钟,夏比冲击强度为3kJ / m 2以上的乙烯·丙烯嵌段共聚物, 0〜25质量%的熔体流动速率为10g / 10分钟以上,弹性模量为2000MPa以上的均聚丙烯树脂; 5至20质量%的门尼粘度为20至75的乙烯-α-烯烃共聚物橡胶或苯乙烯组分含量为15-30质量%的苯乙烯 - 乙烯丁烯 - 苯乙烯共聚物; 和23〜37质量%的平均粒径为8μm以下的滑石。