Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition

Patent metadata

Field	Value
Publication number	US-11414515-B2
Application number	US-201716086917-A
Country	US
Kind code	B2
Filing date	Mar 29, 2017
Priority date	Mar 30, 2016
Publication date	Aug 16, 2022
Grant date	Aug 16, 2022

Abstract

A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound.

First claim

The invention claimed is:

1. A polymerizable composition for an optical material, comprising:
component (A);
component (B); and
a polymerizable compound,
(A) an ester compound represented by General Formula (1)

in General Formula (1), R 1 represents a hydrogen atom, a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a linear hydrocarbon group having 2 to 20 carbon atoms and having one or more unsaturated bonds, or a branched hydrocarbon group having 3 to 20 carbon atoms and having one or more unsaturated bonds, and R 2 represents a polyoxyalkylene group represented by General Formula (2)
—(CH 2 CHR 3 O) n H  (2)

in General Formula (2), a plurality of present R 3 may be the same or different and each R 3 represents a hydrogen atom or a methyl group, and n represents an integer of 2 to 20,
(B) an ether compound represented by General Formula (3)
R 4 —O—R 5   (3)

(in General Formula (3), R 4 represents a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, a linear hydrocarbon group having 2 to 20 carbon atoms and having one or more unsaturated bonds, or a branched hydrocarbon group having 3 to 20 carbon atoms and having one or more unsaturated bonds, and R 5 represents a linear alkyl group having 1 to 20 carbon atoms, a branched alkyl group having 3 to 20 carbon atoms, or a (poly)oxyalkylene group represented by General Formula (4))
—(CH 2 CHR 6 O) m H  (4)

in General Formula (4), a plurality of present R 6 may be the same or different and each R 6 represents a hydrogen atom or a methyl group, and m represents an integer of 1 to 20,
wherein the polymerizable compound is one or two or more types of compounds selected from the group consisting of a polyiso(thio)cyanate compound, a poly(thio)epoxy compound, a polyoxetanyl compound, a polythietanyl compound, a poly(meth)acryloyl compound, a polyalkene compound, an alkyne compound, a poly(thi)ol compound, a polyamine compound, and an acid anhydride.

2. The polymerizable composition for an optical material according to claim 1 , further comprising component (C),
C) (poly)alkylene glycol represented by General Formula (5)
HO(CH 2 CHR 7 O) p H  (5)

in General Formula (5), a plurality of present R7 may be the same or different and each R7 represents a hydrogen atom or a methyl group, and p represents an integer of 1 to 20.

3. The polymerizable composition for an optical material according to claim 2 , wherein a total weight of components (A), (B) and (C) in the polymerizable composition for an optical material is 0.01 to 7.5% by weight with respect to 100% by weight of the polymerizable composition for an optical material.

4. The polymerizable composition for an optical material according to claim 2 , wherein component (C) is included in a range of 0.01 to 1% by weight in 100% by weight of the polymerizable composition for an optical material.

5. A molded article obtainable by curing the polymerizable composition for an optical material according to claim 1 .

6. An optical material comprising: the molded article according to claim 5 .

7. A plastic lens comprising: the optical material according to claim 6 .

8. A method for manufacturing an optical material, comprising cast polymerizing the polymerizable composition for an optical material according to claim 1 .

Assignees

• Mitsui Chemicals Inc

Inventors

• Ito Shinsuke
• Suesugi Koji
• Furuya Masayuki
• Nishimura Takeshi
• Tanaka Mamoru

Classifications

• C08G18/3855 Primary

  having sulfur · CPC title

• B29C39/02

  for making articles of definite length, i.e. discrete articles · CPC title

• C08K5/053

  Polyhydroxylic alcohols · CPC title

• C08G18/67

  Unsaturated compounds having active hydrogen · CPC title

• G02B1/04

  made of organic materials, e.g. plastics (G02B1/08 takes precedence) · CPC title