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    • 4. 发明申请
    • Resin composition for foam molding, foam and method for producing the foam
    • 泡沫塑料用树脂组合物,泡沫体及泡沫体的制造方法
    • US20070072952A1
    • 2007-03-29
    • US10577346
    • 2004-10-29
    • Koichi KusakawaShigeki IchimuraYuji Maeda
    • Koichi KusakawaShigeki IchimuraYuji Maeda
    • C08J9/00C08F8/00
    • C08J9/06C08J9/0061C08J2323/16C08J2423/00C08L23/02C08L23/16C08L2666/06
    • A resin composition for a foam is composed of a branched rubbery olefin based soft resin (C) where its gel fraction (a weight percentage of an insoluble content after extraction with xylene boiled at 138° C. for 3 hours) is less than 5%, and a volume ratio of a component which exhibits a mobility of less than 400 microseconds at a T2 (spin-spin relaxation) time by proton (H+) pulse nuclear magnetic resonance is 55 to 95%, obtained by kneading and reacting to thicken an organic peroxide crosslinking type olefin based copolymer rubber (A) and an organic peroxide decomposing type crystalline olefin resin (B). By the use of this resin composition, it is possible to provide foamed articles which can be used for interior parts for automobiles, have high to low foaming magnifications and a recycling property, and are soft and excellent in cushion property, thermal insulating property and in-mold foam molding property.
    • 泡沫树脂组合物由支化橡胶系烯烃类软质树脂(C)构成,其中,凝胶分数(在138℃,3小时沸腾后的二甲苯萃取后的不溶成分的重量百分比)小于5% ,并且在T 2(自旋 - 自旋弛豫)时间下通过质子(H + +)脉冲核心显示迁移率小于400微秒的成分的体积比 通过捏合和反应使有机过氧化物交联型烯烃基共聚物橡胶(A)和有机过氧化物分解型结晶烯烃树脂(B)增稠而获得的磁共振为55至95%。 通过使用该树脂组合物,可以提供可用于汽车内部部件的发泡制品,具有高至低发泡倍率和再循环性能,并且柔软且具有优良的缓冲性能,绝热性和 - 发泡成型性能。
    • 7. 发明申请
    • Resin composition for foam molding, foam and method for producing the foam
    • 泡沫塑料用树脂组合物,泡沫体及泡沫体的制造方法
    • US20070082962A1
    • 2007-04-12
    • US10577345
    • 2004-10-29
    • Koichi KusakawaShigeki Ichimura
    • Koichi KusakawaShigeki Ichimura
    • B29C44/34C08F8/00
    • C08J9/06C08J9/0061C08J2323/16C08J2423/00C08L23/02C08L23/16C08L2666/06
    • A resin composition for a foam is composed of a branched rubbery olefin based soft resin (C) obtained by kneading and reacting an organic peroxide crosslinking type olefin based copolymer rubber (A) and an organic peroxide decomposing type crystalline olefin resin (B), in which the organic peroxide crosslinking type olefin based copolymer rubber (A) is present as a continuous phase as well as the organic peroxide decomposing type crystalline olefin resin (B) is present as a discontinuous phase in its microaggregation structure. This resin composition enables to provide foamed articles which can be used for interior parts for automobiles, have high to low foaming magnifications and a recycling property, and are soft and excellent in cushion property, thermal insulating property and in-mold foam molding property.
    • 泡沫树脂组合物由有机过氧化物交联型烯烃系共聚物橡胶(A)和有机过氧化物分解型结晶性烯烃树脂(B)捏合和反应得到的支化橡胶系烯烃系软质树脂(C) 作为连续相存在的有机过氧化物交联型烯烃系共聚物橡胶(A)以及有机过氧化物分解型结晶性烯烃树脂(B)在其微聚集结构中作为不连续相存在。 该树脂组合物能够提供可用于汽车内部部件的发泡制品,具有高至低发泡倍率和再循环性能,并且柔软且具有优异的缓冲性能,隔热性和模内发泡成型性能。