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    • 32. 发明授权
    • Rubber composition and tire using the same
    • 橡胶组合物和轮胎使用相同
    • US07608667B2
    • 2009-10-27
    • US11275860
    • 2006-02-01
    • Noriko Endo
    • Noriko Endo
    • C08L9/00C08L25/02
    • C08L9/06B60C1/0016C08C19/02C08L15/00C08L2666/08
    • A rubber composition comprises as a rubber component (A) an aromatic vinyl compound-conjugated diene compound copolymer polymerized with a lithium-based polymerization initiator and having a polystyrene-conversion weight average molecular weight of 3.0×105−3.0×106 as measured by a gel permeation chromatography and (B) 10-200 parts by mass, based on 100 parts by mass of the copolymer (A), of a hydrogenated styrene-butadiene copolymer having a polystyrene-conversion weight average molecular weight of 5.0×103−2.0×105 as measured by a gel permeation chromatography and a bound styrene content of 10-70 mass % in which 25-50% of double bonds in butadiene portion is hydrogenated.
    • 橡胶组合物包含橡胶组分(A)与锂基聚合引发剂聚合的芳族乙烯基化合物 - 共轭二烯化合物共聚物,并且通过凝胶渗透测量的聚苯乙烯换算重均分子量为3.0×10 5 -3.0×10 6 色谱法和(B)10-200质量份,基于共聚物(A)100质量份,聚苯乙烯换算重均分子量为5.0×10 3 -2.0×10 5的氢化苯乙烯 - 丁二烯共聚物,由 凝胶渗透色谱法和结合苯乙烯含量为10-70质量%,其中丁二烯部分中的25-50%的双键被氢化。
    • 36. 发明申请
    • Interpolymer resin particles
    • 共聚树脂颗粒
    • US20050154115A1
    • 2005-07-14
    • US11007678
    • 2004-12-08
    • Steven Krupinski
    • Steven Krupinski
    • B32B27/00B32B27/08C08F8/00C08F255/00C08J9/16C08K3/00C08L9/00C08L23/00C08L23/04C08L25/02C08L27/04C08L27/06C08L27/08C08L33/04
    • C08L25/00C08F255/00C08F255/02C08L23/02C08L25/06C08L2666/06C08F212/08C08L2666/04C08F212/00
    • Interpolymer resin particles comprised of 20% to 60% by weight of uncross-linked polyolefin e.g. polyethylene, polypropylene, and from 40% to 80% by weight based on the weight of the particles of a vinyl aromatic monomer, e.g. styrene, that is polymerized in a suspension process to form an interpenetrating network of polyolefin with polymerized vinyl aromatic monomer particles and having a gel content of 0 to 1.5% by weight based on the weight of the particles for improved processability in end-use applications and improved ESCR properties. The interpolymer resin particles have a VICAT softening temperature from about 90° C. to about 115° C., and a melt index from 0.2 to 35.0g/10 minutes (Condition G). The particles can be mixed with a blowing agent to form extruded foam articles, such as foam board, and can be used in extrusion, injection molding, rotomolding, and thermoforming processes to form a layer, e.g. sheet, film, and as a tie layer in multi-layer structures to bind adjacent layers consisting of incompatible polymers, i.e. polystyrene and polyethylene for improved rigidity in multi-layer structures.
    • 包含20重量%至60重量%的未交联聚烯烃的共聚物树脂颗粒 聚乙烯,聚丙烯,和40重量%至80重量%,基于乙烯基芳族单体颗粒的重量,例如乙烯基芳族聚合物。 苯乙烯,其在悬浮方法中聚合以形成具有聚合的乙烯基芳族单体颗粒的聚烯烃的互穿网络,并且基于颗粒的重量,凝胶含量为0至1.5重量%,以提高最终用途应用中的加工性能, 改善ESCR性能。 互聚物树脂颗粒的VICAT软化温度为约90℃至约115℃,熔体指数为0.2至35.0g / 10分钟(条件G)。 颗粒可以与发泡剂混合以形成挤出的泡沫制品,例如泡沫板,并且可以用于挤出,注射成型,滚塑和热成型工艺以形成层,例如泡沫板。 片,薄膜和多层结构中的粘结层,以结合由不相容的聚合物组成的相邻层,即聚苯乙烯和聚乙烯,以提高多层结构的刚度。