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3 条记录 (耗时 0.022 秒)

    COATING COMPOSITION SET
    1.
    发明公开
    COATING COMPOSITION SET 审中-实审

    公开(公告)号：EP4382212A1

    公开(公告)日：2024-06-12

    申请号：EP22852864.2

    申请日：2022-07-22

    申请人： Nippon Paint Automotive Coatings Co., Ltd.

    发明人： KIYONAGA, Hiroshi ,  MARUO, Kenji ,  SEGAWA, Daisuke ,  YAMAGUCHI, Kohei ,  ARAKI, Yoshito

    IPC分类号： B05D1/36 ,  B05D5/06 ,  B05D7/24 ,  C09D5/00 ,  C09D101/00 ,  C09D101/10 ,  C09D201/06 ,  C09D7/63

    CPC分类号： C09D7/63 ,  C09D5/00 ,  C09D101/00 ,  C09D201/06 ,  B05D1/36 ,  B05D5/06 ,  C09D101/10 ,  B05D7/24

    摘要： Provided is a coating composition set capable of achieving both a metallic design and coating film performance. A coating composition set including: a colored coating composition (a), a luster coating composition (b), and a clear coating composition (c), wherein the colored coating composition (a) includes a hydroxy group-containing resin (a1), a first curing agent (a2), and a coloring pigment (a3); the hydroxy group-containing resin (a1) includes a first hydroxy group-containing resin (a11) having a number average molecular weight of 3000 or less and a second hydroxy group-containing resin (a12) having a number average molecular weight of 100000 or more; the luster coating composition (b) includes a scaly pigment (b1), a cellulose ester derivative (b2), a cellulose nanofiber (b3), a phosphoric acid group-containing compound (b4), and an aqueous solvent (b5); the luster coating composition (b) has a solid content of 0.1% by mass or more and 12% by mass or less; and the clear coating composition (c) is a two-pack type including a third hydroxy group-containing resin (c1) and a second curing agent (c2).

    METHOD FOR FORMING MULTILAYER COATING FILM
    3.
    发明公开
    METHOD FOR FORMING MULTILAYER COATING FILM 审中-公开

    公开(公告)号：EP3409378A1

    公开(公告)日：2018-12-05

    申请号：EP17744331.4

    申请日：2017-01-26

    申请人： Nippon Paint Automotive Coatings Co., Ltd.

    发明人： OKA, Miho ,  SHIMIZU, Makoto ,  TAKAIRA, Yoshiki ,  HORIUCHI, Manabu ,  SEGAWA, Daisuke

    IPC分类号： B05D1/36 ,  B05D3/02 ,  B05D7/24 ,  B32B15/08 ,  B32B15/095 ,  B32B27/28 ,  B32B27/40 ,  C09D5/00 ,  C09D175/04 ,  C09D179/00

    CPC分类号： B05D1/36 ,  B05D3/02 ,  B05D7/24 ,  B32B15/08 ,  B32B15/095 ,  B32B27/28 ,  B32B27/40 ,  C09D5/00 ,  C09D175/04 ,  C09D179/00

    摘要： An object of the present invention is to provide a method for forming a multilayer coating film by which a multilayer coating film having excellent coating film performance can be formed even by low temperature curing. The present invention provides a method for forming a multilayer coating film including an intermediate coating film formation step of applying an aqueous intermediate coating composition to an object to be coated to form an uncured intermediate coating film; a base coating film formation step of applying an aqueous base coating composition onto the resulting uncured intermediate coating film to form an uncured base coating film; and a curing step of curing the resulting uncured intermediate coating film and the base coating film by heating; in which the aqueous intermediate coating composition is an aqueous intermediate coating composition containing an aqueous resin having a hydroxyl group and a carboxyl group (A1), a polyisocyanate compound (B), and a hydrophilicized-modified carbodiimide compound (C); the aqueous base coating composition is an aqueous base coating composition containing an aqueous resin having a hydroxyl group and a carboxyl group (A2), a hydrophilicized-modified carbodiimide compound (C), a water-dispersible blocked polyisocyanate compound (D), and an aqueous polyurethane resin (E).