申请人:Daikin Kogyo Co., Ltd.
公开号:EP0124085A2
公开(公告)日:1984-11-07
An undercoating composition for a fluorocarbon polymer coating comprising:
(a) a modified tetrafluoroethylene polymer in the form of particles of double-layer structure having a core and a shell, the core comprising a tetrafluoroethylene homopolymer or a copolymer of tetrafluoroethylene with a fluorine-containing a-olefin, the shell comprising a copolymer of tetrafluoroethylene and said fluorine-containing a-olefin copolymerized therewith in a larger amount than in the core,
(b) a copolymer of tetrafluoroethylene and said fluorine-containing a-olefin, and
(c) an auxiliary adhesive agent selected from the group consisting of polyimide, polybismaleimide, polyamideimide and aromatic polyamide.
一种用于碳氟化合物聚合物涂层的底层涂料组合物,包括
(a) 改性四氟乙烯聚合物,其形式为双层结构颗粒,具有芯和壳,芯包括四氟乙烯均聚物或四氟乙烯与含氟a-烯烃的共聚物,壳包括四氟乙烯与所述含氟a-烯烃的共聚物,其共聚量大于芯的共聚量、
(b) 四氟乙烯和所述含氟a-烯烃的共聚物,以及
(c) 选自聚酰亚胺、聚马来酰亚胺、聚酰胺酰亚胺和芳香族聚酰胺的辅助粘合剂。