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    • 6. 发明专利
    • Resin composition
    • 树脂组合物
    • JP2012188497A
    • 2012-10-04
    • JP2011051614
    • 2011-03-09
    • Unitika Ltdユニチカ株式会社
    • KAWADA KENICHIKOKURYO SACHIKO
    • C08L23/00C08K5/29C08L33/14C08L53/00C08L67/04C08L101/16
    • PROBLEM TO BE SOLVED: To provide a resin composition in which compatibility of a polylactic acid resin and a polyolefin resin is enhanced to obtain a molded body with good moldability even when the blending quantity of a compatibility adding agent is small and by which, especially in an injection molding, production of a weld line can be suppressed and an injection-molded body having sufficient weld strength, excellent impact resistance and heat resistance can be obtained.SOLUTION: The resin composition containing a polylactic acid resin, a polyolefin resin, a styrene-ethylenebutylene-styrene block copolymer and a glycidyl methacrylate based resin contains 0.5 to 3.0 pts.mass styrene-ethylenebutylene-styrene block copolymer and 0.1 to 3.0 pts.mass glycidyl methacrylate based on 100 pts.mass sum of the polylactic acid resin and the polyolefin resin.
    • 待解决的问题:为了提供一种提高聚乳酸树脂和聚烯烃树脂的相容性的树脂组合物,以获得具有良好成型性的成型体,即使当相容性添加剂的混合量小时, 特别是在注射成形时,能够抑制焊接线的制造,能够获得具有足够的焊接强度,优异的耐冲击性和耐热性的注塑体。 解决方案:含有聚乳酸树脂,聚烯烃树脂,苯乙烯 - 乙烯 - 丁烯 - 苯乙烯嵌段共聚物和甲基丙烯酸缩水甘油酯基树脂的树脂组合物含有0.5〜3.0重量份苯乙烯 - 乙烯 - 丁烯 - 苯乙烯嵌段共聚物和0.1〜3.0 pts.mass甲基丙烯酸缩水甘油酯基于聚氨酯树脂和聚烯烃树脂的100重量份。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Resin composition, molding method, and molded article
    • 树脂组合物,成型方法和成型品
    • JP2012184368A
    • 2012-09-27
    • JP2011049728
    • 2011-03-08
    • Unitika Ltdユニチカ株式会社
    • KAWADA KENICHIKOKURYO SACHIKO
    • C08L23/00B29C45/00B29K23/00B29K67/00C08K5/20C08L33/00C08L53/02C08L67/04
    • PROBLEM TO BE SOLVED: To provide a polyolefin resin composition that has heat resistance equivalent to that of existing polyolefin-based resins, suppresses generation of a weld line especially in injection molding, provides an injection-molded article provided with sufficient weld strength, and is obtained by the blend of a polylactic acid resin.SOLUTION: The resin composition contains a polylactic acid resin (A), a polyolefin resin (B), a compatibilizer (C), and a crystal nucleating agent (D), wherein a mass ratio (A/B) of the polylactic acid resin (A) to the polyolefin resin (B) is 20/80 to 60/40, the content of the compatibilizer (C) is 0.5-20 pts.mass and the content of the crystal nucleating agent (D) is 0.01-10 pts.mass relative to the total 100 pts.mass of the polylactic acid resin (A) and the polyolefin resin (B), and the crystal nucleating agent (D) is an alkane tricarboxylic acid amide-based compound.
    • 要解决的问题:为了提供耐热性等同于现有的聚烯烃类树脂的聚烯烃树脂组合物,抑制特别是在注射成型中的熔合线的产生,提供了具有足够的焊接强度的注塑制品 ,并且通过聚乳酸树脂的共混物获得。 解决方案:树脂组合物含有聚乳酸树脂(A),聚烯烃树脂(B),增容剂(C)和结晶成核剂(D),其中,所述树脂组合物的质量比(A / B) 聚乳酸树脂(A)与聚烯烃树脂(B)的比例为20/80〜60/40,相容剂(C)的含量为0.5〜20质量%,结晶成核剂(D)的含量为0.01 -10聚氨酯树脂相对于聚乳酸树脂(A)和聚烯烃树脂(B)的总共100质量份,并且结晶成核剂(D)是烷烃三羧酸酰胺类化合物。 版权所有(C)2012,JPO&INPIT