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Polymer Additives
Patent

POLYMERIZABLE COMPOSITION, OPTICAL MEMBER, PLASTIC LENS, AND EYEGLASS LENS


Application Date:
Jan 31, 2018
EPO Patent:
EP 3275911 A1
Abstract:

Provided are a polymerizable composition allowing obtainment of an optical component with reduced striae, an optical component obtained from the polymerizable composition, a plastic lens containing the optical compo...

Inventors:
IIJIMA, Takayuki
International Classification:
C08G 18/38 20060101AFI20161007BHEP

Claims

What is claimed is:

A polymerizable composition comprising; an isocyanate component which comprises alicyclic polyisocyanate (A-1) having two or more isocyanate groups and non-cyclic aliphatic polyisocyanate (A-2) having two or more isocyanate groups; and a polythiol component which comprises polythiol (B-1) having four or more mercapto groups and two or more sulfide bonds and polythiol (B-2)...

Description:

Technical Field

The present invention relates to a polymerizable composition containing a polyisocyanate compound and a polythiol compound, an optical component obtained from the polymerizable composition, a plastic lens containing the optical component, and a spectacle lens including a lens substrate including the optical component.

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