Curable coating compositions and their preparation and use
    1.
    发明授权
    Curable coating compositions and their preparation and use 失效
    可固化涂料组合物及其制备和用途

    公开(公告)号:US4925893A

    公开(公告)日:1990-05-15

    申请号:US214127

    申请日:1988-06-30

    IPC分类号: C09D4/06 C09D5/02

    CPC分类号: C09D5/02 C09D4/06

    摘要: Aqueous-based, film-forming and ambient-temperature autoxidisably crosslinkable coating composition comprising an aqueous latex of a film-forming copolymer having residual unsaturation for autoxidative cross-linking puuposes, an autoxidation catalyst, preferably a drier salt, and optionally a multi-functional crosslinking material, wherein the copolymer has a gel fraction of at least 5% by weight which has been formed by the early addition of a multi-functional comonomer in the copolymerization, with a low reactivity multi-functional comonomer being added late in the copolymerization to provide the residual unsaturation.

    Powder coating composition
    4.
    发明授权
    Powder coating composition 失效
    粉末涂料组合物

    公开(公告)号:US5593730A

    公开(公告)日:1997-01-14

    申请号:US367352

    申请日:1995-01-13

    CPC分类号: C09D151/00 C09D5/03

    摘要: Powder coating composition which comprises a hybrid polymer system in granular form of a polymer A formable from monomer(s) by aqueous suspension polymerisation and a polymer B, different to A, which polymer system has been obtained using a process which comprises dissolving polymer B in monomeric material to be used in the formation of polymer A, polymerising the monomer(s) to form polymer A using an aqueous suspension polymerisation process, and removing the aqueous phase to form a hybrid of the polymers A and B in granular form, and wherein polymer A and polymer B bear functional groups for imparting curability to the hybrid polymer system, and wherein further the hybrid polymer system has a number average molecular weight within the range of from 1500 to 15,000.

    摘要翻译: PCT No.PCT / GB93 / 01423 Sec。 371日期1995年1月13日 102(e)1995年1月13日PCT PCT 1993年7月7日PCT公布。 出版物WO94 / 01500 日期1994年1月20日由粉末涂料组合物组成,其包含可通过水悬浮聚合从单体形成的聚合物A的混合聚合物体系和与A不同的聚合物B,该聚合物体系已经通过以下方法获得: 包括将聚合物B溶解在用于形成聚合物A的单体材料中,使用水悬浮聚合方法聚合单体以形成聚合物A,并除去水相以形成聚合物A和B的杂化物 并且其中聚合物A和聚合物B具有赋予混合聚合物体系固化性的官能团,并且其中该杂化聚合物体系的数均分子量在1500至15,000范围内。