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    • 7. 发明申请
    • POWDER COATING COMPOSITION
    • 粉末涂料组合物
    • US20090043062A1
    • 2009-02-12
    • US12248923
    • 2008-10-10
    • Sho MASUDAYuji HaraKouichi Sasaki
    • Sho MASUDAYuji HaraKouichi Sasaki
    • C08F214/24C08F214/26
    • C09D127/12C08G18/6279C08G2150/20C08K5/0025C08K5/29C09D5/03C09D175/04
    • To provide a powder coating composition which prevents blocking in powder coating and simultaneously achieves suitable appearance and flexibility of the coated film.A powder coating composition comprising a fluorinated copolymer (X) having a glass transition point of at least 50° C. and a number average molecular weight of from 10,000 to 22,000, and a curing agent (Y), wherein the fluorinated copolymer (X) is a copolymer obtained by polymerization of a monomer mixture comprising (A) from 45 to 55 mol % of chlorotrifluoroethylene and/or tetrafluoroethylene, (B) from 2 to 40 mol % of a vinyl ether which has a C4 or 5 alkyl group containing a tertiary carbon atom, (C) from 5 to 20 mol % of a vinyl ether having a crosslinkable functional group and (E) from 0 to 32 mol % of a vinyl ester which has a C3-5 alkyl group containing a tertiary or higher carbon atom, wherein the total content of the above (B) and (E) is from 30 to 50 mol %, and the curing agent (Y) is reactive with the crosslinkable functional group.
    • 提供一种粉末涂料组合物,其防止粉末涂料中的粘连,同时达到涂膜的合适外观和柔韧性。 一种粉末涂料组合物,其包含玻璃化转变温度为至少50℃,数均分子量为10,000〜22,000的氟化共聚物(X)和固化剂(Y),其中所述含氟共聚物(X) 是由包含(A)45-55mol%的三氟氯乙烯和/或四氟乙烯的聚合得到的共聚物,(B)2-40mol%的含有C4或C5烷基的乙烯基醚的共聚物 叔碳原子,(C)5〜20摩尔%的具有交联性官能团的乙烯基醚和(E)0〜32摩尔%的具有含有叔碳原子数为3以上的碳原子数为3〜5的烷基的乙烯基酯 原子,其中上述(B)和(E)的总含量为30〜50摩尔%,固化剂(Y)与交联性官能团反应。
    • 10. 发明授权
    • Powder coating composition
    • 粉末涂料组合物
    • US07652110B2
    • 2010-01-26
    • US12248923
    • 2008-10-10
    • Sho MasudaYuji HaraKouichi Sasaki
    • Sho MasudaYuji HaraKouichi Sasaki
    • C08F12/20
    • C09D127/12C08G18/6279C08G2150/20C08K5/0025C08K5/29C09D5/03C09D175/04
    • The claimed invention relates to a powder coating composition containing a fluorinated copolymer (X) having a glass transition point of at least 50° C. and a number average molecular weight of from 10,000 to 22,000, and a curing agent (Y), wherein the fluorinated copolymer (X) is a copolymer obtained by polymerization of a monomer mixture containing (A) from 45 to 55 mol % of chlorotrifluoroethylene and/or tetrafluoroethylene, (B) from 2 to 40 mol % of a vinyl ether which has a C4 or 5 alkyl group containing a tertiary carbon atom, (C) from 5 to 20 mol % of a vinyl ether having a crosslinkable functional group, and (E) from 1 to 32 mol % of a vinyl ester which has a C3-5 alkyl group containing a tertiary or higher carbon atom, wherein the total content of (B) and (E) is from 30 to 50 mol %, and the curing agent (Y) is reactive with the crosslinkable functional group.
    • 所要求保护的发明涉及含有玻璃化转变温度为至少50℃,数均分子量为10,000〜22,000的氟化共聚物(X)和固化剂(Y)的粉末涂料组合物,其中, 含氟共聚物(X)是通过聚合含有(A)45〜55摩尔%的三氟氯乙烯和/或四氟乙烯的单体混合物,(B)的2-40摩尔%的具有C4或 5个含有叔碳原子的烷基,(C)5〜20摩尔%的具有交联性官能团的乙烯基醚,(E)1〜32摩尔%的具有C3-5烷基的乙烯基酯 (B)和(E)的总含量为30〜50摩尔%,固化剂(Y)与交联性官能团反应。