Title:
光学材料用重合性組成物の製造方法
Document Type and Number:
Japanese Patent JP7105928
Kind Code:
B2
Abstract:
A process for producing a polymerizable composition for optical materials of the present invention includes a step A of mixing together a polyisocyanate compound (i), a polymer (ii) represented by General Formula (ii), a photochromic compound (iii), and an internal release agent (iv), a step B of mixing a mixed solution obtained by the step A with a polythiol compound (v), and a step C of further mixing a mixed solution obtained by the step B with a polymerization catalyst (vi) so as to obtain a polymerizable composition for optical materials, wherein in the step A, the internal release agent (iv) is added so that a content thereof in the polymerizable composition for optical materials is 500 to 3,000 ppm, and in the step C, the polymerization catalyst (vi) is added so that a content thereof in the polymerizable composition for optical materials is 120 to 500 ppm.
Inventors:
Kasori Yuki
Nobuo Kawato
Nobuo Kawato
Application Number:
JP2020569693A
Publication Date:
July 25, 2022
Filing Date:
January 29, 2020
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
C08G18/38; C08G18/48; C08K5/1545; C08K5/521; C08L75/08; C09K9/02; G02B1/04; G02B5/23; G02C7/02; G02C7/10
Domestic Patent References:
| JP2018021161A | ||||
| JP2019215450A |
Foreign References:
| WO2019009230A1 | ||||
| WO2016143910A1 | ||||
| WO2017047744A1 | ||||
| WO2017047745A1 | ||||
| WO2018124063A1 |
Attorney, Agent or Firm:
Shinji Hayami