Denture base coating composition, coating film-bearing denture base, plate denture, and method for producing coating film-bearing denture base

Patent metadata

Field	Value
Publication number	US-10945928-B2
Application number	US-201916438640-A
Country	US
Kind code	B2
Filing date	Jun 12, 2019
Priority date	Jan 31, 2017
Publication date	Mar 16, 2021
Grant date	Mar 16, 2021

Abstract

A denture base coating composition includes at least one selected from the group consisting of a first compound represented by Formula (1-0) and a second compound represented by Formula (2-0).

First claim

What is claimed is:

1. A denture base coating composition comprising a first compound represented by Formula (1-0) and a second compound represented by Formula (2-0),
wherein the content mass ratio of the content of the first compound to the content of the second compound in the denture base coating composition is 10/90 to 90/10,

in Formula (1-0), R 1A and R 1B each independently represents a group represented by Formula (1A) or a hydrogen atom, at least one selected from the group consisting of R 1A and R 1B is a group represented by Formula (1A), and R 2 represents a hydrogen atom or a methyl group,

in Formula (1A), R 1 's each independently represent a methyl group, an ethyl group, an n-propyl group, or an i-propyl group, m represents an integer from 1 to 4, n represents an integer from 2 to 4, a plurality of R 1 's may be identical with or different from one another, and the symbol * represents a position of bonding to the nitrogen atom in Formula (1-0), and

in Formula (2-0), R 31 represents a hydrogen atom or a methyl group, p represents an integer from 2 to 4, L represents a p-valent linking group, and a plurality of R 31 's may be identical with or different from one another.

2. The denture base coating composition according to claim 1 , wherein the second compound is at least one selected from the group consisting of a compound represented by Formula (2-01) and a compound represented by Formula (2-02),

in Formula (2-01), R 31 's each independently represent a hydrogen atom or a methyl group, L 1 's each independently represent —O—, an alkylene group having 2 to 4 carbon atoms, or a divalent linking group combining these,
in Formula (2-02), R 31 's each independently represent a hydrogen atom or a methyl group, R 21 and R 23 each independently represents —O—, an alkylene group having 1 to 4 carbon atoms, or a divalent linking group combining these, R 22 represents —O—, an alkylene group having 1 to 4 carbon atoms, a group represented by Formula (III), or a divalent linking group combining these, and L 2 and L 3 each independently represents a single bond or a group represented by Formula (III), and
in Formula (III), R 31 represent a hydrogen atom or a methyl group, and the symbol * represents a position of bonding.

3. The denture base coating composition according to claim 1 , wherein the first compound is a compound represented by Formula (1-01), and the second compound is a compound represented by Formula (2),

in Formula (1-01), R 1 's each independently represent a methyl group, an ethyl group, an n-propyl group, or an i-propyl group, R 2 represents a hydrogen atom or a methyl group, m represents an integer from 1 to 4, n represents an integer from 2 to 4, and a plurality of R 1 's may be identical with or different from one another, and

in Formula (2), R 31 's each independently represent a hydrogen atom or a methyl group, R 32 's each independently represent an ethylene group, a 1,2-propylene group, or a 1,3-propylene group, m 2 represents an integer from 0 to 2, and a plurality of R 31 's and a plurality of R 32 's may be identical with or different from one another.

4. The denture base coating composition according to claim 1 , wherein the first compound is a compound represented by Formula (1-1) or a compound represented by Formula (1-2), and the second compound is a compound represented by Formula (2-1),

5. The denture base coating composition according to claim 1 , further comprising a polymerization initiator.

6. A coating film-bearing denture base comprising a denture base and a coating film formed on the denture base, the coating film being obtained by curing the denture base coating composition according to claim 1 .

7. The coating film-bearing denture base according to claim 6 , wherein an arithmetic mean roughness Ra of the surface of the denture base on the coating film side is 30 to 1,000 nm.

8. The coating film-bearing denture base according to claim 6 , wherein the denture base is a surface-treated denture base treated with a surface treating agent.

9. The coating film-bearing denture base according to claim 8 , wherein the surface treating agent includes an organic solvent, and a main component of the organic solvent is at least one selected from the group consisting of a ketone-based solvent, an alcohol-based solvent, an ether-based solvent, and an ester-based solvent.

10. The coating film-bearing denture base according to claim 9 , wherein the main component of the organic solvent is at least one selected from the group consisting of acetone and methyl ethyl ketone.

11. A plate denture comprising the coating film-bearing denture base according to claim 6 .

12. A method for producing a coating film-bearing denture base comprising a denture base and a coating film formed on the denture base, the method comprising:
step A of applying the denture base coating composition according to claim 1 on the denture base and obtaining a denture base coating composition layer; and
step B of applying energy to the denture base coating composition layer, thereby curing the denture base coating composition layer, and obtaining a coating film.

13. The method for producing a coating film-bearing denture base according to claim 12 , the method further comprising step S of surface-treating the denture base, before the step A.

14. The method for producing a coating film-bearing denture base according to claim 13 , wherein the step S is a step of bringing the surface of the denture base into contact with a surface treating agent.

15. The method for producing a coating film-bearing denture base according to claim 14 , wherein the surface treating agent includes an organic solvent, and a main component of the organic solvent is at least one selected from the group consisting of a ketone-based solvent, an alcohol-based solvent, an ether-based solvent, and an ester-based solvent.

16. The method for producing a coating film-bearing denture base according to claim 15 , wherein the main component of the organic solvent is at least one selected from the group consisting of acetone and methyl ethyl ketone.

17. The denture base coating composition according to claim 1 , wherein the coating composition comprises,
the first compound represented by Formula (1-1) or Formula (1-2),
the second compound represented by Formula (2-1), and
a polymerization initiator,

Assignees

• Fujifilm Corp

Inventors

• Yamamoto Yosuke
• AMAO Akihito
• Fukagawa Kiyotaka
• Shigenoi Yuta
• Yokokawa Natsumi
• Tsutsumi Chiaki
• Wakabayashi Noriyuki
• Takakuda Kazuo

Classifications

• A61C13/01 Primary

  Palates or other bases or supports for the artificial teeth; Making same · CPC title

• A61K6/00

  Preparations for dentistry · CPC title

• C08F222/38

  Amides · CPC title

• A61K6/72

  comprising nitrogen-containing compounds · CPC title

• C08L33/26

  Homopolymers or copolymers of acrylamide or methacrylamide · CPC title