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    Soft resin composition for injection molding and uses thereof
    1.
    发明授权
    Soft resin composition for injection molding and uses thereof 失效
    用于注射成型的软树脂组合物及其用途

    公开(公告)号：US06673464B2

    公开(公告)日：2004-01-06

    申请号：US10046706

    申请日：2002-01-17

    申请人： Tomoya Matayoshi ,  Naoto Yasaka ,  Masayoshi Yamaguchi

    发明人： Tomoya Matayoshi ,  Naoto Yasaka ,  Masayoshi Yamaguchi

    IPC分类号： B32B2732

    CPC分类号： C08J7/04 ,  C08J2323/16 ,  C08L23/0815 ,  C08L2205/02 ,  C08L2314/06 ,  Y10T428/31913 ,  Y10T428/31917 ,  C08L2666/04

    摘要： The soft resin composition for injection molding comprises (A) an ethylene/&agr;-olefin copolymer comprising ethylene and an &agr;-olefin of 3 to 10 carbon atoms and (B) a polyethylene in a specific ratio. The component (A) has a Shore A hardness of 40 to 95, a melt flow rate (MFR2.16) of 1.0 to 20 g/10 min, and a density of 855 to 900 kg/m3; and the component (B) has a melt flow rate (MFR2.16) 0.1 to 100 g/10 min, a density of 910 to 925 kg/m3, and a melt tension measured at 190° C. and the MFR2.16 satisfying the relation: melt tension>2.2×(MFR2.16)−0.84. The injection-molded product of the present invention comprises the above soft resin composition, and may have been subjected to coating on its surface. The toy and the article for daily use of the invention comprise the injection-molded product. The soft resin composition for injection molding is capable of producing, with good productivity, an injection-molded product having an excellent translucent appearance while maintaining the flexibility; and the injection molded article of the composition is employable as a soft toy or an article for daily use. The coated product of such an injection-molded product has excellent adhesion of the coating.

    摘要翻译： 用于注射成型的软树脂组合物包含（A）包含乙烯和3-10个碳原子的α-烯烃的乙烯/α-烯烃共聚物和（B）特定比例的聚乙烯。 组分（A）的肖氏A硬度为40至95，熔体流动速率（MFR2.16）为1.0至20g / 10min，密度为855至900kg / m 3; 成分（B）的熔体流动速率（MFR2.16）为0.1〜100g / 10min，密度为910〜925kg / m 3，熔体张力为190℃，MFR2 满足关系：熔体张力> 2.2×（MFR2.16）< - 0.84>。 本发明的注射成型体包含上述软树脂组合物，并且可以在其表面上进行涂布。 用于本发明的日常使用的玩具和物品包括注塑产品。 注塑用软树脂组合物能够以良好的生产率生产具有优异的半透明外观的注塑产品，同时保持柔性; 并且该组合物的注模制品可用作软玩具或日用品。 这种注塑产品的涂覆产品具有优异的涂层粘合性。

    Injection molding soft resin composition and users thereof
    2.
    发明授权
    Injection molding soft resin composition and users thereof 失效
    注塑软树脂组合物及其用途

    公开(公告)号：US06710129B2

    公开(公告)日：2004-03-23

    申请号：US10046738

    申请日：2002-01-17

    申请人： Tomoya Matayoshi ,  Naoto Yasaka ,  Tetsuya Nakamura

    发明人： Tomoya Matayoshi ,  Naoto Yasaka ,  Tetsuya Nakamura

    IPC分类号： C08F800

    CPC分类号： C08L23/0815 ,  C08L2205/02 ,  C08L2314/06 ,  C08L2666/04

    摘要： The injection molding soft resin composition of the invention comprises (A) an ethylene/&agr;-olefin copolymer using an &agr;-olefin of 3 to 10 carbon atoms as a comonomer and (B) a thermoplastic elastomer composition obtained by dynamically heat treating a crystalline polyolefin resin and an olefin copolymer rubber in the presence of a crosslinking agent, in a specific ratio. The component (A) has a Shore A hardness of 40 to 95, MRF2.16 of 1.0 to 100 g/10 min and a density of 855 to 900 kg/cm3, and the component (B) has a gel content of 30 to 100% and a Shore A hardness of 40 to 95. The injection molded article of the invention comprises the soft resin composition and may have been subjected to painting on its surface. Each of the toy and the daily use miscellaneous article of the invention comprises the injection molded article. According to the invention, there can be provided an injection molding soft resin composition, from which injection molded articles having softness and being excellent in low gloss, mechanical properties such as tensile strength and appearance can be produced with high productivity, and a molded article of the composition, such as a molded article employable as a soft toy or a daily use miscellaneous article. Further, a painted article of an injection molded article, which has excellent adhesion of coating, can be provided.

    摘要翻译： 本发明的注塑软树脂组合物包含（A）使用3至10个碳原子的α-烯烃作为共聚单体的乙烯/α-烯烃共聚物和（B）通过动态热处理结晶聚烯烃获得的热塑性弹性体组合物 树脂和烯烃共聚物橡胶在交联剂存在下的比例。 组分（A）的肖氏A硬度为40至95，MRF2.16为1.0至100g / 10分钟，密度为855至900kg / cm 3，组分（B）具有凝胶含量 为30〜100％，肖氏A硬度为40〜95。本发明的注射成型品包含软质树脂组合物，并且可以在其表面进行涂装。 本发明的玩具和日用杂物中的每一个都包括注塑制品。 根据本发明，可以提供一种注射成型软树脂组合物，其中可以以高生产率制备柔软性和低光泽性，拉伸强度和外观等机械性能的注塑制品， 组合物，例如可用作软玩具的模塑制品或日用杂物。 此外，可以提供具有优异的涂层附着力的注塑制品的涂漆制品。