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公开(公告)号：US20220134380A1
公开(公告)日：2022-05-05
申请号：US17424308
申请日：2019-12-18
发明人： Tatsuo OHNUKI , Kenichi UMEZAWA , Junpei SUZUKI , Tomoyuki OKAMOTO , Chie MICHIURA , Takamitsu ONO , Yoshiaki TOMIYAMA
IPC分类号： B05D7/00 , B05D7/02 , B05D7/14 , C08G18/62 , C08G18/79 , C08G18/77 , C08K3/36 , C08K9/06 , C08K3/013 , C08F220/56 , C08F220/14 , C08F220/18 , C08F212/08
摘要： A method includes a step of applying an aqueous 2-package type first colored paint to form an uncured first colored coating film; a step of applying an aqueous 1-package type second colored paint to form an uncured second colored coating film; a step of applying a solvent-based 2-package type clear paint to form an uncured clear coating film; and a step of heating the uncured first colored coating film, the uncured second colored coating film and the uncured clear coating film to 75 to 100° C. to simultaneously cure these films. The solvent-based 2-package type clear paint contains a hydroxyl group-containing acrylic resin and a polyisocyanate compound in a ratio of 1.5 to 2.0 equivalents of isocyanate groups in the polyisocyanate compound relative to 1 equivalent of hydroxyl groups in the hydroxyl group-containing acrylic resin.
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公开(公告)号：US20220250115A1
公开(公告)日：2022-08-11
申请号：US17629178
申请日：2020-06-22
发明人： Tatsuo OHNUKI , Kenichi UMEZAWA , Junpei SUZUKI , Tomoyuki OKAMOTO , Chie MICHIURA , Ayaka KURIHARA , Takeshi GOTO
IPC分类号： B05D7/00 , B05D5/06 , B05D3/02 , B05D7/02 , B05D7/14 , C09D7/62 , C09D7/40 , C09D7/20 , C09D5/00 , C09D175/14
摘要： A method for forming a multilayer coating film, sequentially conducting step (1) of applying an aqueous 2-package type first colored paint on both a metal member and a plastic member of an automobile outer panel to form an uncured first colored coating film; step (2) of applying an aqueous 1-package type white paint on the uncured first colored coating film by step (1) to form an uncured white coating film; step (3) of applying an aqueous 1-package type interference color paint on the uncured white coating film by step (2) to form an uncured interference color coating film; step (4) of applying a solvent-based 2-package type clear paint on the uncured interference color coating film by step (3) to form an uncured clear coating film; and step (5) of heating these coating films by steps (1) to (4) at 75 to 100° C. to simultaneously cure them.
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公开(公告)号：US20230392036A1
公开(公告)日：2023-12-07
申请号：US18252071
申请日：2021-10-13
发明人： Takeshi TSUNODA , Tomoyuki OKAMOTO , Satoshi WATANABE , Naoki KURIYAMA , Kouta FUTAMATA , Takeshi GOTOU , Chie MICHIURA
IPC分类号： C09D133/08 , C09D175/14 , B05D7/14 , B05D7/00 , C09D7/65
CPC分类号： C09D133/08 , C09D175/14 , B05D7/14 , B05D7/572 , C09D7/65 , B05D2508/00 , B05D2503/00 , B05D2320/00 , B05D2202/00
摘要： Disclosed herein is a method for forming a multilayer coating film by sequentially coating an intermediate coating material composition, a base coating material composition and a clear coating material composition on a metal for a motor vehicle body or resin material and then thermally curing the compositions, where the clear coating material composition is obtained by mixing a main agent (A) and a curing agent (B).
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