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    • 8. 发明公开
    • Polymeric compositions containing a polymer latex and an internal plasticizer
    • Einen Polymer-Latex und einen inneren Weichmacher enthaltende Polymerzusammensetzungen。
    • EP0071405A1
    • 1983-02-09
    • EP82303855.9
    • 1982-07-21
    • BP Chemicals Limited
    • Biggin, Ian Stuart BP Chemicals Limited
    • C08L57/04C08F218/08C08F246/00
    • C08L57/04C08L2666/04
    • The present invention relates to polymeric compositions containing a polymer latex and an internal plasticizer, and which compositions are capable of producing flexible, thermoplastic polymer films. The internal plasticizer comprise an adduct of the general formula (I):
      wherein

      R is an H atom, a methyl group or an ethyl group;
      R 2 is a group selected from methyl, ethyl and phenyl

      groups;

      R 3 is an H atom or a C 1 - C 4 alkyl group; and
      n is an integer from 1 - 20.

      Specific examples of polymeric latices which may be internally plasticized include those derived from the polymers and copolymers of vinyl acetate, vinyl chloride, methyl methacrylate and styrene. The adducts, in which R 3 represents H, can link with the polymer through their unsaturated linkage and still have a free hydroxyl group which gives an added flexibility in terms of the range of products that can be produced.
    • 本发明涉及包含聚合物胶乳和内部增塑剂的聚合物组合物,并且该组合物能够制备柔性的热塑性聚合物膜。 内部增塑剂包括通式(I)的加合物:其中R是H原子,甲基(C 1 -C 6) 或乙基; R 2是选自甲基,乙基和苯基的基团; R 3是H原子或C 1 -C 4烷基; n是1-20的整数。可以内部增塑的聚合物胶乳的具体实例包括衍生自乙酸乙烯酯,氯乙烯,甲基丙烯酸甲酯和苯乙烯的聚合物和共聚物的那些。 其中R3表示H的加合物可以通过其不饱和键与聚合物连接,并且还具有游离羟基,从而在可生产的产物范围方面给出增加的灵活性。