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    • 5. 发明公开
    • Adhesion and paintability improvements in PVC plastisols at low bake temperatures
    • Haft- und Streichbarkeitsverbesserung von PVC-Plastisolen bei niedrigen Einbrenntemperaturen。
    • EP0378205A1
    • 1990-07-18
    • EP90100466.3
    • 1990-01-10
    • SHELL OIL COMPANY
    • Wozniak, Don Steven
    • C09D127/04C09J127/04C09K3/10C08K5/10
    • C09D127/06C08K5/20C08L77/00C09J127/06C08L27/06C08L2666/36
    • The present invention provides a new and novel vinyl chloride polymer coating material which can be top-­coated with acid-catalyzed coating compositions at low curing temperatures without compromising the adhesion of the coating to the metal substrate and without inhibiting the cure of subsequently applied coating. In accordance with the present invention, a new plastisol coating composition comprises a finely-divided vinyl chloride polymer together with a plasticizer and from about 0.5 to about 5 percent by weight of a composition of an adhesion promoter which is a non-gelled condensation product of

      a) a polymerized fatty acid; and
      b) a mixture of amines being present in a concentration to produce a final amine value that ranges up to about 225, said mixture being comprised of a polyalkylene polyamine and an N-aminoalkylpiperazine.

      In addition, the present invention provides a new and improved adhesion promoter for use in the aforesaid vinyl chloride polymer coating composition. This adhesion promoter is comprised of the condensation product of a polymeric fatty acid and an amine mixture of a polyalkylene polyamine and an N-aminoalkylpiperazine.
    • 本发明提供了一种新的和新颖的氯乙烯聚合物涂料,其可以在低固化温度下用酸催化的涂料组合物进行顶涂,而不会影响涂层与金属基材的粘合性,而不会阻碍随后涂覆的涂层的固化。 根据本发明,新的增塑溶胶涂料组合物包含细分的氯乙烯聚合物和增塑剂,以及约0.5至约5重量%的粘合促进剂组合物,其为非胶凝的缩合产物 a)聚合脂肪酸; 和b)浓度以产生最高约225的最终胺值的胺的混合物,所述混合物由聚亚烷基多胺和N-氨基烷基哌嗪组成。 此外,本发明提供了用于上述氯乙烯聚合物涂料组合物中的新的和改进的粘合促进剂。 该粘合促进剂由聚亚烷基多胺和N-氨基烷基哌嗪的聚合脂肪酸与胺混合物的缩合产物组成。