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Coating material and article coated with same

A coating and organic solvent technology, applied in the field of coatings and articles coated with the coating, can solve the problems of low coating safety and the like

Pending Publication Date: 2022-05-10
DIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the safety of these coatings is low, requiring materials that do not contain quaternary ammonium salts

Method used

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  • Coating material and article coated with same
  • Coating material and article coated with same

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0053] As a preparation method of the coating material of the present invention, for example, the above-mentioned visible light-responsive photocatalyst (A) and pigment can be added to the resin composition obtained by dissolving the above-mentioned resin (R) in the above-mentioned organic solvent (S), and sand milling can be used. Machine, disperser and other mixers for preparation. If necessary, by further mixing a curing agent, a two-component type paint can be prepared.

[0054] Examples of coating methods for the paint of the present invention include gravure coaters, roll coaters, comma coaters, knife coaters, air knife coaters, curtain coaters, and kiss coaters. Machine, spray coater, wheel coater, spin coater, dipping, screen printing, spraying, applicator, rod coater, brushing and other methods.

[0055] The coating material of the present invention can provide a cured coating film excellent in virus resistance to the surface of various articles.

[0056] The coatin...

preparation example 1

[0061] (Preparation Example 1: Preparation of Visible Light Responsive Photocatalyst (A-1))

[0062] (1) Titanium oxide

[0063] a) Crystalline rutile titanium oxide

[0064] b) Preparation method: liquid phase method (sulfuric acid method)

[0065] c) Physical property value

[0066] · BET specific surface area: 9.0m 2 / g

[0067] · Rutile rate: 95.4%

[0068] ·Primary particle size: 0.18μm

[0069] (2) Manufacturing process

[0070] a) Mixing process (reaction process)

[0071] 600 parts by mass of the aforementioned titanium oxide, 8 parts by mass of copper chloride (ii) dihydrate, and 900 parts by mass of water were mixed in a stainless steel container. Next, the mixture was stirred with a stirrer ("ROBO MICS" manufactured by Tokuku Kikka Kogyo Co., Ltd.), and a 1 mol / L sodium hydroxide aqueous solution was added dropwise until the pH of the mixed solution became 10.

[0072] b) Dehydration process

[0073] Filtration under reduced pressure was carried out using ...

Embodiment 1

[0076] (Example 1: Manufacture of paint (1))

[0077] 11.2 parts by mass of the visible light-responsive photocatalyst (A-1) obtained above, titanium oxide pigment (manufactured by Chemours "Ti-Pure R-706") 35.2 parts by mass and 19.9 parts by mass of butyl acetate were kneaded with a sand mill for 30 minutes to obtain a pigment dispersion. 28.4 parts by mass of a polyisocyanate resin ("BURNOCKDN-980" manufactured by DIC Corporation) was added as a curing agent to the obtained pigment dispersion, and stirred for 5 minutes with a disperser to obtain a paint (1).

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Abstract

Provided are: a metal product which can be used in automobiles, railway vehicles, ships, machines, furniture, cans, building structures, and the like; plastic products such as automobile parts and household appliances; woodworking products such as furniture and building materials; the present invention relates to a coating material which is highly safe and can impart excellent antiviral properties to a variety of substrates for various coating material applications, such as inorganic raw material products, building materials, glass, and the like, and to an article coated with the coating material. The coating material is characterized by containing a visible-light-responsive photocatalyst (A), a resin (R), and an organic solvent (S).

Description

technical field [0001] The present invention relates to paints and articles coated with the paints. Background technique [0002] In the past, coatings have been used to protect the surface of various items, improve their appearance, and improve their functions. However, in recent years, hygienic functions, such as antibacterial and antiviral properties, have been expected, especially as new influenza, SARS (severe acute Respiratory syndrome), norovirus and other infection countermeasures, coatings that can obtain coating films with antiviral properties (virus inactivation) are required. [0003] A paint containing a quaternary ammonium salt is known as a paint capable of imparting antibacterial properties and antiviral properties to a coating film (for example, refer to Patent Document 1). However, the safety of these coatings is low, requiring materials that do not contain quaternary ammonium salts. [0004] prior art literature [0005] patent documents [0006] Paten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/14C09D7/61C09D175/04C09D167/00C09D163/00
CPCC09D133/00C09D5/14C09D7/61C09D175/04C09D167/00C09D163/00C08K2003/2241C08K3/22
Inventor 三上明音向井隆大水聪一郎河中俊介藤田幸介
Owner DIC CORP