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1. WO2020137360 - METHOD FOR FORMING MULTI-LAYERED COATING FILM

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Publication Number WO/2020/137360
Publication Date 02.07.2020
International Application No. PCT/JP2019/046813
International Filing Date 29.11.2019
IPC
B05D 1/36 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
36Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B05D 5/06 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
5Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
06to obtain multicolour or other optical effects
CPC
B05D 1/36
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
1Processes for applying liquids or other fluent materials
36Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B05D 5/06
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
5Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
06to obtain multicolour or other optical effects
B05D 7/572
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
7Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
50Multilayers
56Three layers or more
57the last layer being a clear coat
572all layers being cured or baked together
C08K 2003/2237
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
KUse of inorganic or non-macromolecular organic substances as compounding ingredients
3Use of inorganic substances as compounding ingredients
18Oxygen-containing compounds, e.g. metal carbonyls
20Oxides; Hydroxides
22of metals
2237of titanium
C09D 133/10
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
133Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
04Homopolymers or copolymers of esters
06of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
10Homopolymers or copolymers of methacrylic acid esters
C09D 179/02
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
179Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
02Polyamines
Applicants
  • 日本ペイント・オートモーティブコーティングス株式会社 NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD. [JP]/[JP]
Inventors
  • 西村　彰寛 NISHIMURA, Akihiro
Agents
  • 山尾　憲人 YAMAO, Norihito
  • 山本　宗雄 YAMAMOTO, Muneo
  • 後藤　裕子 GOTO, Hiroko
Priority Data
2018-24149825.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) METHOD FOR FORMING MULTI-LAYERED COATING FILM
(FR) MÉTHODE DE FORMATION DE FILM DE REVÊTEMENT MULTICOUCHE
(JA) 複層塗膜形成方法
Abstract
(EN)
Provided is a novel means for improving the orientation of a scale-like luster pigment in the formation of a multi-layered coating film including a coating film containing the luster pigment.　A method for forming a multi-layered coating film, comprising an intermediate coating step of applying a water-based intermediate coating material composition (A) onto the surface of an object of interest to form an uncured water-based intermediate coating film, a first water-based base coating step of applying a first water-based base coating material composition (B) onto the uncured water-based intermediate coating film to form an uncured first water-based base coating film, a second water-based base coating step of applying a second water-based base coating material composition (C) containing a scale-like luster pigment onto the uncured first water-based base coating film to form an uncured second water-based base coating film, a clear coating step of applying a clear coating material composition (D) onto the uncured second water-based base coating film to form an uncured clear coating film, and a curing step of heat-curing the obtained uncured water-based intermediate coating film, the uncured first water-based base coating film, the uncured second water-based base coating film and the uncured clear coating film at one time to form a multi-layered coating film, wherein the solid matter concentration (% by mass) in each of the uncured first water-based base coating film and the uncured second water-based base coating film satisfies a specified requirement.
(FR)
L'invention concerne un nouveau moyen pour améliorer l'orientation d'un pigment brillant de type paillette dans la formation d'un film de revêtement multicouche comprenant un film de revêtement contenant le pigment brillant.　L'invention concerne une méthode de formation d'un film de revêtement multicouche, comprenant une étape de revêtement intermédiaire consistant à appliquer une composition de matériau de revêtement intermédiaire à base d'eau (A) sur la surface d'un objet d'intérêt pour former un film de revêtement intermédiaire à base d'eau non durci, une première étape de revêtement de base à base d'eau consistant à appliquer une première composition de matériau de revêtement de base à base d'eau (B) sur le film de revêtement intermédiaire à base d'eau non durci pour former un premier film de revêtement de base à base d'eau non durci, une seconde étape de revêtement de base à base d'eau consistant à appliquer une seconde composition de matériau de revêtement de base à base d'eau (C) contenant un pigment brillant de type paillette sur le premier film de revêtement de base à base d'eau non durci pour former un second film de revêtement de base à base d'eau non durci, une étape de revêtement transparent consistant à appliquer une composition de matériau de revêtement transparent (D) sur le second film de revêtement de base à base d'eau non durci pour former un film de revêtement transparent non durci, et une étape de durcissement consistant à thermodurcir le film de revêtement intermédiaire à base d'eau non durci, le premier film de revêtement de base à base d'eau non durci, le second film de revêtement de base à base d'eau non durci et le film de revêtement transparent non durci obtenus en une seule fois pour former un film de revêtement multicouche, la concentration de matière solide (% en masse) dans chacun parmi le premier film de revêtement de base à base d'eau non durci et le second film de revêtement de base à base d'eau non durci satisfait une exigence spécifiée.
(JA)
鱗片状光輝顔料を含む塗膜を含む複層塗膜の形成において、光輝顔料の配向性を高める新たな手段を提供すること。　被塗物表面に対して水性中塗り塗料組成物（Ａ）を塗装して未硬化の水性中塗り塗膜を形成する中塗り塗装工程、未硬化の水性中塗り塗膜上に第１水性ベース塗料組成物（Ｂ）を塗装して未硬化の第１水性ベース塗膜を形成する第１水性ベース塗装工程、未硬化の第１水性ベース塗膜上に鱗片状光輝顔料を含む第２水性ベース塗料組成物（Ｃ）を塗装して未硬化の第２水性ベース塗膜を形成する第２水性ベース塗装工程、未硬化の第２水性ベース塗膜上にクリヤー塗料組成物（Ｄ）を塗装して未硬化のクリヤー塗膜を形成するクリヤー塗装工程、および、得られた未硬化の水性中塗り塗膜、未硬化の第１水性ベース塗膜、未硬化の第２水性ベース塗膜および未硬化のクリヤー塗膜を一度に加熱硬化して複層塗膜を形成する硬化工程を包含する複層塗膜形成方法であって、未硬化の第１水性ベース塗膜および第２水性ベース塗膜の固形分濃度（質量％）が特定条件を満たす、複層塗膜形成方法。
Also published as
CA3095439
JP2020099888
CN111936240
EP3769857
US20210039136
MXMX/a/2020/010551
EP2019901773
TH2101000344
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