公开(公告)号：US20200231840A1

公开(公告)日：2020-07-23

申请号：US16621388

申请日：2018-06-11

Applicant: Tokuyama Corporation

Inventor： Junji MOMODA ,  Shinobu IZUMI ,  Taichi HANASAKI

IPC: C09D175/04 ,  C09D7/63 ,  C09D5/32 ,  C08G18/12 ,  C08G18/48 ,  C08G18/32 ,  C08G18/66 ,  C08G18/76 ,  G02B1/04 ,  G02B1/14

Abstract: A primer composition for optical articles includes (A) a urethane prepolymer which is a reaction product of an aromatic polyisocyanate compound and a polyol compound, and which has a reactive group at an end, the reactive group being selected from among an isocyanate group and a hydroxyl group, (B) a light absorbing compound which has a maximum absorption wavelength within the range of from 320 nm to 650 nm (inclusive) and (C) an organic solvent which has a solubility parameter of 8 (cal/cm3)1/2 or more, while containing no active hydrogen.

公开(公告)号：US20180244931A1

公开(公告)日：2018-08-30

申请号：US15757291

申请日：2016-08-26

Applicant: TOKUYAMA CORPORATION

Inventor： Katsuhiro MORI ,  Yasutomo SHIMIZU ,  Junji MOMODA

IPC: C09D5/29 ,  G02B5/23 ,  C09D175/04 ,  C09K9/02 ,  C09B11/02 ,  C07D311/78

CPC classification number: C09D5/29 ,  C07D311/78 ,  C08G83/007 ,  C09B11/02 ,  C09D171/00 ,  C09D175/00 ,  C09D175/04 ,  C09D201/005 ,  C09K9/02 ,  C09K2211/1007 ,  C09K2211/1018 ,  G02B5/23 ,  G02C7/10 ,  G02C7/102

Abstract: To provide a photochromic coating composition comprising (A) a polyrotaxane having a composite molecular structure formed by an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, (B) a photochromic compound and (C) a polyurethane resin and/or precursor thereof.This composition provides a laminate which exhibits excellent photochromic properties (color optical density and fading speed), moldability and surface hardness.

公开(公告)号：US20180030341A1

公开(公告)日：2018-02-01

申请号：US15550929

申请日：2016-03-08

Applicant: TOKUYAMA CORPORATION

Inventor： Yasutomo SHIMIZU ,  Katsuhiro MORI ,  Junji MOMODA

IPC: C09K9/02 ,  C08G18/38 ,  C08G18/48 ,  G02B5/22 ,  C08G18/66 ,  G02C7/10 ,  G02B5/23 ,  C08G18/76 ,  C08G18/64

Abstract: A process for producing a photochromic cured body by curing a photochromic composition comprising (A) a polyiso(thio)cyanate compound having at least two isocyanate groups and/or isothiocyanate groups in one molecule, a poly(thi)ol compound having at least two hydroxyl groups and/or thiol groups in one molecule, (C) a mono(thi)ol compound having one hydroxy group or thiol group in one molecule, and a photochromic compound.

公开(公告)号：US20160222285A1

公开(公告)日：2016-08-04

申请号：US15025115

申请日：2014-11-07

Applicant: TOKUYAMA CORPORATION

Inventor： Yasutomo SHIMIZU ,  Katsuhiro MORI ,  Junji MOMODA

IPC: C09K9/02 ,  G02B5/23 ,  G02C7/10 ,  B32B7/12

CPC classification number: C09K9/02 ,  B32B7/12 ,  B32B2250/02 ,  B32B2255/26 ,  B32B2305/72 ,  B32B2307/40 ,  B32B2307/412 ,  B32B2551/00 ,  C08B37/0015 ,  C08F290/10 ,  C08F299/00 ,  C08G83/007 ,  C08L71/02 ,  G02B5/23 ,  G02C7/102 ,  G02C2202/16

Abstract: A photochromic composition comprising (A) a polyrotaxane having a composite molecular structure composed of an axial molecule and a plurality of cyclic molecules clathrating the axial molecule and (B) a photochromic compound.

Abstract translation: 一种光致变色组合物，其包含（A）具有由轴向分子和包围所述轴向分子的多个环状分子组成的复合分子结构的聚轮烷和（B）光致变色化合物。