Vinyl halide polymer color concentrate
    1.
    发明授权
    Vinyl halide polymer color concentrate 失效
    卤化乙烯聚合物色母料

    公开(公告)号:US5843524A

    公开(公告)日:1998-12-01

    申请号:US796603

    申请日:1997-02-07

    IPC分类号: C08J3/20 C08J3/22 B05D7/00

    摘要: The present invention provides a new and improved method of producing a dustless vinyl halide polymer color concentrate that does not require the formation of a hot melt or the use of wax. The color concentrate comprises a multitude of fine particles which each comprise a vinyl halide polymer resin core and a colorant material shell. The method includes the steps of providing a vinyl halide polymer, providing a colorant material, providing a compatibilizer having a solubility parameter of from about 7 to about 12 (cal/ml).sup.1/2, and mixing the vinyl halide polymer, compatibilizer and colorant material together to yield the dustless concentrate in the form of a vinyl halide resin core surrounded by a shell of the compatibilzer and the colorant material.

    摘要翻译: 本发明提供了一种不需要形成热熔体或使用蜡的无尘卤化乙烯基卤化物聚合物着色浓缩物的新的和改进的方法。 着色浓缩物包含大量细颗粒,每个细颗粒包含卤化乙烯基聚合物树脂芯和着色材料壳。 该方法包括以下步骤:提供卤化乙烯聚合物,提供着色剂材料,提供具有约7至约12(cal / ml)+ E,fra 1/2 + EE的溶解度参数的增容剂,并将乙烯基 卤化物聚合物,增容剂和着色剂材料在一起,产生由相容剂的外壳和着色剂材料包围的卤化乙烯基树脂芯形式的无尘浓缩物。

    Composites and polymer compositions for making the same
    3.
    发明授权
    Composites and polymer compositions for making the same 失效
    用于制造相同的复合材料和聚合物组合物

    公开(公告)号:US5374680A

    公开(公告)日:1994-12-20

    申请号:US127108

    申请日:1993-09-24

    摘要: A polymer blend composition consisting essentially of:(i) at least about 55% by weight polystyrene,(ii) from about 1% to about 45% by weight of a selectively hydrogenated block copolymer of conjugated dienes and vinyl aromatic monomers which has been grafted with a carboxylic reagent, wherein the block copolymer contains up to about 50% by weight bound vinyl aromatic monomer, and(iii) from about 0.3% to 45% by weight of at least one block polymer of a vinyl aromatic monomer and conjugated diene, wherein the block polymer contains greater than about 60% by weight bound vinyl aromatic monomer.The polymer composition is useful in preparing multilayer thermoformable structures and articles comprising (A) at least one cap layer and (B) at least one core layer, such as liners for refrigerators and freezers. The multilayer structures and polymer composition have good thermoformability, chemical resistance and surface properties including a glossy finish. The materials are compatible with new blowing agents, such as hydrochlorofluorocarbons and hydrofluorocarbons. The layers of the multilayer structure do not require a glue layer.

    摘要翻译: 一种聚合物共混组合物,其基本上由以下组成:(i)至少约55重量%的聚苯乙烯,(ii)约1重量%至约45重量%的已经接枝的共轭二烯和乙烯基芳族单体的选择性氢化嵌段共聚物 与羧酸试剂,其中嵌段共聚物含有至多约50重量%的结合的乙烯基芳族单体,和(iii)约0.3重量%至45重量%的至少一种乙烯基芳族单体和共轭二烯的嵌段聚合物, 其中嵌段聚合物含有大于约60重量%的结合的乙烯基芳族单体。 聚合物组合物可用于制备多层可热成形结构和制品,其包含(A)至少一个盖层和(B)至少一个芯层,例如用于冰箱和冷冻箱的衬垫。 多层结构和聚合物组合物具有良好的热成型性,耐化学性和表面性质,包括光泽度。 这些材料与新型发泡剂如氢氯氟烃和氢氟碳化合物相容。 多层结构的层不需要胶层。