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    • 10. 发明授权
    • Styrenic resin pellet and molding produced therefrom
    • 苯乙烯树脂颗粒和由其制成的模塑
    • US5712330A
    • 1998-01-27
    • US652463
    • 1996-06-14
    • Michio FunayamaHiroki Fukui
    • Michio FunayamaHiroki Fukui
    • B29B9/14C08K9/04
    • B29B9/14B29K2025/00B29K2105/06
    • There is disclosed a styrenic resin pellet having a length in the range of 2 to 100 mm which comprises a (A) styrenic polymer having syndiotactic configuration and containing a polar group and at least 10% by weight of a (B) glass fiber which is surface-treated with a coupling agent, is impregnated with the styrenic polymer, and has a length equal to the length of the pellet. The styrenic resin pellet is imparted with excellent moldability and improved in general physical properties such as impact resistance and heat resistance, thereby making itself well suited to the raw material for producing molded articles excellent in practical characteristics such as tensile creep at elevated temperatures higher than the glass transition temperature and vibrational fatigue characteristics at elevated temperatures.
    • PCT No.PCT / JP95 / 02140 Sec。 371日期1996年6月14日第 102(e)日期1996年6月14日PCT 1995年10月19日PCT PCT。 第WO96 / 12597号公报 日期:1996年5月2日公开了长度为2〜100mm的苯乙烯树脂颗粒,其包含具有间同立构构型并含有极性基团的(A)苯乙烯系聚合物和至少10重量%的(B) 用偶联剂表面处理的玻璃纤维用苯乙烯类聚合物浸渍,其长度等于颗粒的长度。 苯乙烯树脂颗粒赋予了优异的成型性,并提高了耐冲击性和耐热性等一般物理性能,因此本发明非常适合用于制造成型品的原料,该原料具有优异的实用特性,例如高于 玻璃化转变温度和振动疲劳特性。