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    • 10. 发明授权
    • Thermoplastic elastomer blends of a polyvinyl chloride-acrylate
copolymer and a cured acrylate elastomer
    • 聚氯乙烯 - 丙烯酸酯共聚物和固化的丙烯酸酯弹性体的热塑性弹性体共混物
    • US4935468A
    • 1990-06-19
    • US242997
    • 1988-09-09
    • William S. GreenleeJosef C. VyvodaFred R. Wolf
    • William S. GreenleeJosef C. VyvodaFred R. Wolf
    • C08L9/02C08L19/00C08L27/06C08L33/04C08L33/08
    • C08L27/06C08L19/003C08L33/04C08L33/08C08L9/02
    • Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance, exceptionally low compression set and softness are made by mixing a polyvinyl chloride-acrylate copolymer with effective amounts of cured acrylate elastomers. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl constituent which is a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.2 is an aliphatic, an aromatic, an alkyl hydroxyl, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof; or a hydrocarbyl ether such as an alkoxyalkyl, a phenoxyaryl, a phenoxyalkyl, or combinations thereof, having from 2 to 1,000 carbon atoms, or a substituted halogen, oxygen, sulfur, or nitrogen derivative thereof, and wherein the acrylate elastomer is made from one or more acrylate monomers having the formula ##STR2## wherein R.sup.3 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.4 is an aliphatic, an aromatic, an alkyl hydroxyl, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof; or a hydrocarbyl ether such as an alkoxyalkyl, a phenoxyaryl, a pheloxyalkyl, or combinations thereof having from 2 to 1,000 carbon atoms, or a substituted halogen, oxygen, sulfur, or nitrogen derivative thereof.
    • 通过将聚氯乙烯 - 丙烯酸酯共聚物与有效量的固化的丙烯酸酯弹性体混合,制备含有改善的耐油性,特别低的压缩永久变形和柔软度的聚氯乙烯的热塑性弹性体共混物。 聚氯乙烯 - 丙烯酸酯共聚物的特性粘度为约0.3至约4.0,并且由乙烯基成分制成,该乙烯基成分是具有任选的乙烯基成分共聚单体的氯乙烯单体和一种或多种具有式I的丙烯酸酯单体 其中R 1是具有1至18个碳原子的脂族,芳族或其组合,或其卤素衍生物或氢,并且R 2是脂族,芳族,烷基羟基或其组合,其具有1 至18个碳原子,或其卤素衍生物; 或具有2至1,000个碳原子的烃基醚如烷氧基烷基,苯氧基芳基,苯氧基烷基或其组合,或其取代的卤素,氧,硫或氮衍生物,其中丙烯酸酯弹性体由一种 或更多具有式II的丙烯酸酯单体,其中R 3是具有1至18个碳原子的脂族,芳族或其组合,或其卤素衍生物或氢,并且R 4是脂族,芳族 ,具有1至18个碳原子的烷基羟基或其组合,或其卤素衍生物; 或具有2至1,000个碳原子的烃基醚如烷氧基烷基,苯氧基芳基,对羟基烷基或其组合,或其取代的卤素,氧,硫或氮衍生物。