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    • 4. 发明授权
    • Biaxially stretched styrenic resin sheet
    • 双轴拉伸苯乙烯树脂片
    • US6114029A
    • 2000-09-05
    • US391623
    • 1999-09-07
    • Hiroyuki YanaiSyozo Yamamoto
    • Hiroyuki YanaiSyozo Yamamoto
    • C08L25/04C08L25/08C08L51/04B29D7/01C08L25/06C08L25/10
    • C08L25/08C08L2205/02C08L25/04C08L51/04Y10S428/91Y10T428/254
    • Disclosed is a biaxially stretched styrenic resin sheet obtained by biaxially stretching a resin composition comprising (A) a styrenic resin and (B) crosslinked styrenic fine particles having an average particle size of 0.5 to 15 .mu.m in an amount of from 0.001 to 1% by weight based on the resin composition. The resin composition may further comprise (C) a rubber modified styrenic resin containing a rubber component having an average particle size of 0.1 to 4 .mu.m in such an amount that the rubber component concentration attributed to the rubber modified styrenic resin is from 0.005 to 0.1% by weight based on the resin composition. The styrenic stretched sheets exhibit improved blocking resistance owing to fine unevenness uniformly formed on the surface thereof while retaining the transparency. Even when a number of the sheets or formings obtained therefrom are stacked, they are easily separated apart without blocking.
    • 公开了通过双轴拉伸树脂组合物获得的双轴拉伸苯乙烯树脂片,所述树脂组合物包含(A)苯乙烯树脂和(B)平均粒径为0.5至15μm的交联苯乙烯微粒,其量为0.001至1% ,基于树脂组合物。 树脂组合物还可以包含(C)橡胶改性苯乙烯树脂,其含有平均粒径为0.1〜4μm的橡胶成分,使得橡胶改性苯乙烯树脂的橡胶成分浓度为0.005〜0.1 基于树脂组合物的重量%。 苯乙烯拉伸片材由于在保持透明性的同时在其表面上均匀形成的细小凹凸而显示出改进的抗粘连性。 即使从堆叠得到的片材或构成的片材数量多,也容易分离而不会发生堵塞。
    • 7. 发明授权
    • Styrenic resin composition for biaxially stretched sheet
    • 用于双轴拉伸片材的苯乙烯树脂组合物
    • US06388019B1
    • 2002-05-14
    • US09592850
    • 2000-06-13
    • Hiroyuki YanaiSyozo YamamotoShuji Yoshioka
    • Hiroyuki YanaiSyozo YamamotoShuji Yoshioka
    • C08L2504
    • C08L25/08C08L25/04C08L51/04C08L2205/02Y10S428/91Y10T428/254C08L2666/04C08L2666/02
    • Disclosed is a biaxially stretched styrenic resin sheet obtained by biaxially stretching a resin composition comprising (A) a styrenic resin and (B) crosslinked styrenic fine particles having an average particle size of 0.5 to 15 &mgr;m in an amount of from 0.001 to 1% by weight based on the resin composition. The resin composition may further comprise (C) a rubber modified styrenic resin containing a rubber component having an average particle size of 0.1 to 4 &mgr;m in such an amount that the rubber component concentration attributed to the rubber modified styrenic resin is from 0.005 to 0.1% by weight based on the resin composition. The styrenic stretched sheets exhibit improved blocking resistance owing to fine unevenness uniformly formed on the surface thereof while retaining the transparency. Even when a number of the sheets or formings obtained therefrom are stacked, they are easily separated apart without blocking.
    • 公开了一种双轴拉伸苯乙烯树脂片,其通过双轴拉伸树脂组合物,该树脂组合物包含(A)苯乙烯树脂和(B)平均粒径为0.5至15μm的交联苯乙烯微粒,其量为0.001至1%,通过 基于树脂组合物的重量。 树脂组合物可以进一步包含(C)橡胶改性苯乙烯树脂,其含有平均粒径为0.1〜4μm的橡胶成分,使得由橡胶改性苯乙烯树脂引起的橡胶成分浓度为0.005〜0.1% ,基于树脂组合物。 苯乙烯拉伸片材由于在保持透明性的同时在其表面上均匀形成的细小凹凸而显示出改进的抗粘连性。 即使从堆叠得到的片材或构成的片材数量多,也容易分离而不会发生堵塞。