Transparent plastic substrate and plastic lens
US-2016215121-A1 · Jul 28, 2016 · US
Polymerizable composition for optical materials
US10066081B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10066081-B2 |
| Application number | US-201415103326-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 12, 2014 |
| Priority date | Dec 13, 2013 |
| Publication date | Sep 4, 2018 |
| Grant date | Sep 4, 2018 |
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- Title
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Abstract
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There is provided a polymerizable composition for optical materials including (A) at least one kind of polythiols selected from 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, (B) polyisocyanate, and (C) at least one kind of ultraviolet absorbers having a maximum absorption peak in a range of 350 nm to 370 nm.
First claim
Opening claim text (preview).
The invention claimed is: 1. A polymerizable composition for optical materials, comprising: (A) at least one kind of polythiols selected from 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane; (B) polyisocyanate; and (C) a chloro-substituted benzotriazole-based compound which is 2-(2-hydroxy-3-t-butyl-5-methylphenyl)-chlorobenzotriazole, wherein 0.1% by weight to 1.5% by weight of the chloro-substituted benzotriazole-based compound (C) is included in 100% by weight of the polymerizable composition for optical materials. 2. A molded product obtained by heat-curing the polymerizable composition for optical materials according to claim 1 . 3. An optical material comprised of the molded product according to claim 2 . 4. A plastic lens comprised of the optical material according to claim 3 . 5. A process for producing optical materials comprising: a step of cast-polymerizing the polymerizable composition for optical materials according to claim 1 .
Assignees
Inventors
Classifications
acyclic · CPC title
- C08G18/38Primary
having heteroatoms other than oxygen (C08G18/32 takes precedence) · CPC title
- G02B1/041Primary
Lenses · CPC title
for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation · CPC title
containing mercapto groups · CPC title
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- What does patent US10066081B2 cover?
- There is provided a polymerizable composition for optical materials including (A) at least one kind of polythiols selected from 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, (B) polyisocyanate, and (C) at least one kind of ultraviolet absorbers having a maxim…
- Who is the assignee on this patent?
- Mitsui Chemicals Inc
- What technology area does this patent fall under?
- Primary CPC classification C08G18/38. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Sep 04 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).