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Patent Searching and Data


Title:
CURED PRODUCT
Document Type and Number:
Japanese Patent JP2022036209
Kind Code:
A
Abstract:
To provide a cured product of monomers for two or more different optical materials used for a production method of an optical material capable of maintaining the quality of an optical material obtained and shortening the production time of an optical material.SOLUTION: There is provided a cured product of a polymerizable composition for an optical material which comprises monomers for two or more different optical materials and a polymerization catalyst or a polymerizable prepolymer composition for an optical material which comprises a prepolymer having a polymerizable functional group which is a polymer of monomers for two or more different optical materials and a polymerization catalyst, wherein there is no striae with a length of 1.0 mm or more within a radius of 15 mm from the center of the cured product and the amine content measured by gas chromatography mass spectrometry is 0.03 mass% or more and 2.5 mass% or less.SELECTED DRAWING: None

Inventors:
SUESUGI KOJI
ITO SHINSUKE
NAKANO SHOTARO
MATSUI YUSUKE
Application Number:
JP2022002564A
Publication Date:
March 04, 2022
Filing Date:
January 11, 2022
Export Citation:
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Assignee:
MITSUI CHEMICALS INC
International Classes:
C08G18/74; C08G18/18; C08G18/20; C08G18/24; C08G18/38
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office