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    • 1. 发明授权
    • Polyolefin resin composition
    • 聚烯烃树脂组合物
    • US07189788B2
    • 2007-03-13
    • US10482418
    • 2002-07-02
    • Shuji MachidaYutaka KobayashiHideo KusuyamaAkira Tanaka
    • Shuji MachidaYutaka KobayashiHideo KusuyamaAkira Tanaka
    • C08L23/10
    • C08L23/10C08L23/14C08L51/06C08L53/00C08L2205/02C08L2666/24C08L2666/04
    • The polyolefin-based resin composition (I) of the present invention comprises (A) 99.9 to 80% by mass of a propylene (co)polymer having (a) a melt flow rate (MFR) of 0.1 to 200 g/10 min, (b) a meso-pentad fraction [mmmm] of an ordinary temperature (25° C.) xylene-insoluble component of 97.0% or higher, and (c) a content of an ordinary temperature (25° C.) xylene-soluble component of 4 to 50% by mass; and (B) 0.1 to 20% by mass of a copolymer containing propylene chains of an isotactic structure, and copolymer chains constituted from at least two monomer units selected from the group consisting of ethylene, C3 to C20 α-olefins, cyclic olefins and aromatic vinyl monomers which are graft-bonded and/or block-bonded to said copolymer, and exhibits not only a high rigidity but also a highly enhanced impact strength and is well-balanced between the physical properties thereof.
    • 本发明的聚烯烃类树脂组合物(I)含有(A)99.9质量%〜80质量%的(a)熔体流动速率(MFR)为0.1〜200g / 10分钟的丙烯(共)聚合物, (b)常温(25℃)二甲苯不溶性成分的内消旋五重分数[mmmm]为97.0%以上,(c)常温(25℃)二甲苯可溶成分 成分为4〜50质量% 和(B)0.1〜20质量%的含有全同立构结构的丙烯链的共聚物,以及由至少两种选自乙烯,C 3〜C的单体单元构成的共聚物链 20个α-烯烃,环烯烃和芳族乙烯基单体,其与所述共聚物接枝和/或嵌段键合,并且不仅具有高刚性,而且具有高度增强的冲击强度,并且良好 在其物理性质之间平衡。
    • 2. 发明授权
    • Polypropylene block copolymer resin and compositions
    • 聚丙烯嵌段共聚物树脂和组合物
    • US5332789A
    • 1994-07-26
    • US974591
    • 1993-02-26
    • Akira TanakaMasaru NakagawaHideo KusuyamaSueto MiyazakiTatsuya Housaki
    • Akira TanakaMasaru NakagawaHideo KusuyamaSueto MiyazakiTatsuya Housaki
    • C08F110/06C08F210/06C08F297/08C08L51/06
    • C08L51/06C08F210/06C08F297/083C08F110/06Y10S526/905
    • Polypropylene based resins and compositions comprising the resin having extremely high stiffness, heat resistance and impact strength, with these properties being well-balanced, are provided. The polypropylene based resins are characterized by comprising:(1) a propylene polymer having a content of alpha-olefin other than propylene of not more than 4 mole percent, and the following properties (2), (3) and (4):(2) a pentad fraction (mmmm fraction) measured by .sup.13 C-NMR of not less than 96.0 percent,(3) a main elution fraction peak position of not less than 118.0.degree. C. and a peak half value width of less than 4.0, these values being measured by the temperature raising separation method, and(4) an intrinsic viscosity of not less than 0.5 dl/g, but not more than 5.0 dl/g; and,(5) a rubber content measured by pulse NMR of more than 25 percent.
    • PCT No.PCT / JP92 / 00807 Sec。 371日期:1993年2月26日 102(e)日期1993年2月26日PCT提交1992年6月25日PCT公布。 出版物WO93 / 00375 日本1993年1月7日。提供了包含具有非常高的刚度,耐热性和冲击强度的树脂的聚丙烯基树脂和组合物,这些性能是均衡的。 聚丙烯类树脂的特征在于包括:(1)具有不大于4摩尔%的丙烯以外的α-烯烃含量的丙烯聚合物和以下性质(2),(3)和(4):( 2)通过13 C-NMR测定的五元组分数(mmmm分数)不小于96.0%,(3)主洗脱分数峰位置不低于118.0℃,峰值半值宽度小于4.0,这些 通过升温分离法测定的值,(4)特性粘度为0.5dl / g以上,5.0dl / g以下, 和(5)通过脉冲NMR测量的橡胶含量超过25%。