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Water-based one-pack-type coating composition and coated article

A single-component, composition technology, applied in the direction of polyurea/polyurethane coatings, coatings, latex paints, etc., can solve the problem of no water-based single-component research, and achieve the effect of satisfying the performance of the coating film and satisfying the soft feeling

Inactive Publication Date: 2009-01-07
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, research on aqueous one-component differentiation in this area has not been sufficiently conducted

Method used

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  • Water-based one-pack-type coating composition and coated article
  • Water-based one-pack-type coating composition and coated article
  • Water-based one-pack-type coating composition and coated article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] Add 67.11 g of acrylic emulsion (A1), 128.2 g of HUX561 (manufactured by Asahi Denka Co., Ltd.) as polyurethane dispersion (D), and 100.00 g of acid anhydride-modified chlorinated polyolefin resin emulsion (B2) to the container in this order After uniform dispersion, add 18.46 g of pigment paste DE-15070 (manufactured by Rohm & Haas), 3.00 g of ポリフイノーKL245 (manufactured by Kyoyoshi Chemical Co., Ltd.) as a leveling agent, and 104PA of Surfino as a defoamer. (manufactured by Aerodactus Co., Ltd.), 10.00 g of NMP (manufactured by Kuraray Co., Ltd.) as a film-forming auxiliary agent. Then, 60.00 g of resin particles P800T (manufactured by Negami Industry Co., Ltd.) (C1) was gradually added to the container and dispersed uniformly. 7.50 g of ASE-60 (manufactured by Rohm & Haas) and 25.00 g of ion-exchanged water were added as a thickener.

Embodiment 2～10、 comparative example 1～7

[0080] Change the ratio of materials as shown in Table 3, Table 4, and Table 5 respectively, and prepare in the same way as in Example 1 except that.

[0081]

[0082]

[0083]

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Abstract

The invention provides a water-based one-pack-type coating composition which can form a coating film combining soft feeling with film performance and having a satisfactory touch and retains general performances required of coating materials, such as attractive appearance (matt feeling, etc.), adhesion, film strength, marring resistance, water resistance, unsusceptibility to fat fouling, and alkali resistance. The water-based one-pack-type coating composition comprises an ionomer resin emulsion (A), a polyolefin resin emulsion (B), resin particles (C), and a urethane dispersion (D), wherein the solid mass ratio (mass ratio on a solid basis) of (C) / {(A)+(B)+(D is from 40 / 100 to 100 / 100, the solid mass ratio of (A) / (B) is from 1 / 3 to 3 / 1, and the solid mass ratio of ((A)+(B)) / (D) is from 40 / 60 to 70 / 30.

Description

technical field [0001] The present invention relates to a water-based one-pack-type coating composition and a coated article. Background technique [0002] Coatings for automotive interior components such as instrument panels, center consoles, and door trims; weak current components such as radio cassette recorders and computer housings; and architectural interior components such as wall components, floor components, and ceiling components require heavy and high-end coatings. , so it is necessary to apply matting paint. This matting coating is a material coated on plastics, so it is not suitable for high-temperature treatment, and it usually adopts a two-component solvent coating (for example, referring to patent documents 1-2) that is formed by mixing the main agent and curing agent just before use. 3). [0003] However, in the paint field, a one-component paint that does not require the labor of mixing two components has been expected in order to simplify the process. F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/00C09D5/02C09D175/04
CPCC08L75/04C08L33/08C09D175/04C09D133/02C08L51/06C09D5/02C08L2666/02
Inventor 河津健司驹林健太郎薮内尚哉河野晋之介山下博文
Owner TOYOTA JIDOSHA KK
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