Polymerizable composition

Patent metadata

Field	Value
Publication number	US-9482787-B2
Application number	US-201214123863-A
Country	US
Kind code	B2
Filing date	Jun 19, 2012
Priority date	Jun 23, 2011
Publication date	Nov 1, 2016
Grant date	Nov 1, 2016

Abstract

The polymerizable composition of the present invention contains a ketone compound including one or more carbonyl groups, at least one kind of isocyanate compounds and at least one kind of thiol compounds.

First claim

The invention claimed is:

1. A polymerizable composition comprising:
a ketone compound including one or more carbonyl groups;
at least one isocyanate compound;
at least one thiol compound; and
wherein the ketone compound is one or more compounds selected from isophorone, tricyclo[5.2.1.0 2,6 ]decan-8-one, 2-adamantanone, camphor, 4,4′-bicyclohexanone or cyclohexanedione.

2. A polymerizable composition comprising:
a ketone compound including one or more carbonyl groups;
at least one isocyanate compound;
at least one thiol compound;

wherein the ketone compound is one or more compounds selected from, cyclohexanone, isophorone, tricyclo[5.2.1.0 2,6 ]decan-8-one, 2-adamantanone, camphor, 4,4′-bicyclohexanone or cyclohexanedione and wherein the ketone compound is included in 1 part by weight to 50 parts by weight with respect to a total of 100 parts by weight of the isocyanate compound and the thiol compound.

3. A polymerizable composition comprising:
a ketone compound including one or more carbonyl groups;
at least one isocyanate compound;
at least one thiol compound;

wherein the ketone compound is one or more compounds selected from, cyclohexanone, isophorone, tricyclo[5.2.1.0 2,6 ]decan-8-one, 2-adamantanone, camphor, 4,4′-bicyclohexanone or cyclohexanedione and wherein the isocyanate compound is one or more compounds selected from m-xylylene diisocyanate, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, 4,4′-diphenyl methane diisocyanate, 2,5-bis(isocyanatomethyl)-bicyclo[2.2.1]heptane, 2,6-bis(isocyanatomethyl)-bicyclo[2.2.1]heptane, bis(4-isocyanato cyclohexyl)methane, 1,3-bis(isocyanatomethyl)cyclohexane, 1,4-bis(isocyanatomethyl)cyclohexane, hexamethylene diisocyanate or isophorone diisocyanate, and
the thiol compound is one or more compounds selected from pentaerythritol tetrakis(3-mercaptopropionate), 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 2,5-dimercaptomethyl-1,4-dithiane, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, pentaerythritol tetrakis(2-mercaptoacetate) or ethylene glycol bis(3-mercaptopropionate).

4. A molded material comprised of a thio urethane resin obtained by heating and curing a polymerizable composition comprising:
a ketone compound including one or more carbonyl groups;
at least one isocyanate compound;
at least one thiol compound; and

wherein the ketone compound is one or more compounds selected from, cyclohexanone, isophorone, tricyclo[5.2.1.0 2,6 ]decan-8-one, 2-adamantanone, camphor, 4,4′-bicyclohexanone or cyclohexanedione.

5. An optical material comprised of the molded material according to claim 4 .

6. A plastic lens comprised of the optical material according to claim 5 .

7. A method for manufacturing optical materials comprising: cast-polymerizing a polymerizable composition comprising:
a ketone compound including one or more carbonyl groups;
at least one isocyanate compound;
at least one thiol compound; and
wherein the ketone compound is one or more compounds selected from, cyclohexanone, isophorone, tricyclo[5.2.1.0 2,6 ]decan-8-one, 2-adamantanone, camphor, 4,4′-bicyclohexanone or cyclohexanedione.

8. The method for manufacturing optical materials according to claim 7 , further comprising:
dyeing a molded product obtained through the cast polymerization.

Assignees

• Kawato Nobuo
• Hashimoto Toshiya
• Kojima Koya
• Mitsui Chemicals Inc

Inventors

• Kawato Nobuo
• Hashimoto Toshiya
• Kojima Koya

Classifications

• C08K5/07

  Aldehydes; Ketones · CPC title

• C08G18/7671

  containing only one alkylene bisphenyl group · CPC title

• C08K5/37

  Thiols · CPC title

• C08G18/758 Primary

  containing two or more cycloaliphatic rings · CPC title

• C08G18/3876 Primary

  containing mercapto groups · CPC title