Patent ID: 11866648
Assignee: MITSUI CHEMICALS, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 10:
11. A polymerizable composition for optical materials, comprising:
a polyisocyanate compound (i);
a polymer (ii) represented by General Formula (ii);
a photochromic compound (iii);
an internal release agent (iv);
a polythiol compound (v); and
a polymerization catalyst (vi),
wherein a content of the internal release agent (iv) is 500 to 1,000 ppm, and
a content of the polymerization catalyst (vi) is 120 to 400 ppm,

R1A1—R2—A2—R3]n  (ii)

wherein, in General Formula (ii), A1 and A2 represent different polymer chains, R1 is an n-valent organic group, R2 is a linking group that links two kinds of polymer chains, R3 is an organic group, and n is an integer of 1 to 6.