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Title:
光学材料用重合性組成物、光学材料および光学材料の製造方法
Document Type and Number:
Japanese Patent JP5602741
Kind Code:
B2
Abstract:
A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms and one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate, is provided.

Inventors:
Dragon Akinori
Kobayashi Seiichi
Application Number:
JP2011525790A
Publication Date:
October 08, 2014
Filing Date:
August 04, 2010
Export Citation:
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Assignee:
Mitsui Chemicals, Inc.
International Classes:
C08G18/38; B29C39/02; G02B1/04; G02C7/02
Domestic Patent References:
JP2007186595A2007-07-26
JP2007039604A2007-02-15
JPH0873732A1996-03-19
JP5226016B22013-07-03
JP2008179812A2008-08-07
JP2005300764A2005-10-27
JPH1081727A1998-03-31
JP2007186595A2007-07-26
JP2008174520A2008-07-31
JP2008255221A2008-10-23
Foreign References:
WO2008108184A12008-09-12
Attorney, Agent or Firm:
Shinji Hayami



 
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