Water-based coating agent composition, water-based lubricating film paint composition comprising same, and member

Patent metadata

Field	Value
Publication number	US-2017349762-A1
Application number	US-201515534582-A
Country	US
Kind code	A1
Filing date	Dec 11, 2015
Priority date	Dec 15, 2014
Publication date	Dec 7, 2017
Grant date	—

Abstract

An aqueous coating agent composition includes (A) a curable resin in the form of an aqueous emulsion, (B) a surfactant, (C) solid particles, (D) one or more nitrogen-containing heterocyclic compounds, and (E) water. In various embodiments, component (C) includes a solid lubricant, and for reasons of environmental regulations, component (D) includes 1,3-dimethyl-2-imidazolidinone.

First claim

1 . An aqueous coating agent composition comprising:
(A) a curable resin in the form of an aqueous emulsion; (B) a surfactant; (C) solid particles; (D) one or more nitrogen-containing heterocyclic compounds; and (E) water.

2 . The aqueous coating agent composition according to claim 1 , wherein component (D) is a nitrogen-containing heterocyclic compound represented by any one of structural formulae (D-1) to (D-3):

wherein each R 1 is independently a hydrogen atom or an alkyl group having a 1 to 9 carbon atoms, and n is a number in the range of 1 to 10.

3 . The aqueous coating agent composition according to claim 1 , wherein component (D) is one or more nitrogen-containing heterocyclic compounds selected from the group of 1,3-dimethyl-2-imidazolidinone, N-methyl-2-pyrrolidone, N-ethyl-2-pyrrolidone, N-methyl-3-methyl-2-pyrrolidone, cyclohexyl pyrrolidone, 2-oxazolidone, 3-methyl-2-oxazolidone, and combinations thereof.

4 . The aqueous coating agent composition according to claim 1 , wherein component (B) contains an anionic surfactant different from a surfactant used for the emulsion formation of component (A), and component (D) is 1,3-dimethyl-2-imidazolidinone.

5 . The aqueous coating agent composition according to claim 1 , containing, with respect to 100 as the product mass of solid content of component (A), 0.1 to 50 parts by mass of component (B), 5 to 200 parts by mass of component (C), 1 to 20 parts by mass of component (D), and 50 to 1000 parts by mass of component (E).

6 . The aqueous coating agent composition according to claim 1 , wherein component (A) is selected from the group of a polyacryl resin, a polyurethane resin, a polyolefin resin, an epoxy resin, a silicone resin, a polyamide-imide resin, in the form of an aqueous emulsion, or a modified product thereof or a mixture thereof.

7 . The aqueous coating agent composition according to claim 1 , wherein at least part of component (C) is a solid lubricant.

8 . The aqueous coating agent composition according to claim 1 , wherein component (C) contains a solid lubricant selected from a fluorine resin, a polyethylene resin, a polyamide resin, molybdenum disulfide, graphite, aluminum oxide, boron nitride, zinc oxide, or a mixture thereof.

9 . An aqueous lubricating film paint composition comprising the aqueous coating agent composition according to claim 1 .

10 . The aqueous coating agent composition according to claim 3 , wherein component (D) is 1,3-dimethyl-2-imidazolidinone.

11 . A coating film, obtained by curing the aqueous coating agent composition according to claim 1 .

12 . A member provided with a coating film, obtained by curing the aqueous coating agent composition according to claim 1 .

13 . The coating film according to claim 11 , further defined as a lubricating film.

14 . The member according to claim 12 , further defined as a sliding member.

15 . A method for forming a coating film on a substrate surface, the method comprising:
applying the aqueous coating agent composition according to claim 1 onto a substrate surface; and drying and/or irradiating the applied composition with high energy rays.

16 . The aqueous coating agent composition according to claim 10 , containing, with respect to 100 as the product mass of solid content of component (A), 1 to 20 parts by mass of component (D).

Assignees

• Dow Corning Toray Co Ltd

Inventors

• Sasaki Takahiko
• Yamaguchi Tetsuji

Classifications

• C10M103/02

  Carbon; Graphite · CPC title

• C10M107/44

  Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds · CPC title

• C10M145/14

  Acrylate; Methacrylate · CPC title

• C10M155/02

  Monomer containing silicon · CPC title

• C10M149/18

  Polyamides · CPC title