Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIALS, OPTICAL MATERIAL OBTAINED FROM SAME, AND METHOD FOR PRODUCING OPTICAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2014/157407
Kind Code:
A1
Abstract:
This polymerizable composition for optical materials contains (A) one or more isocyanates including an aromatic isocyanate, each of said isocyanates having two or more isocyanate groups, (B) one or more alcohols having two or more hydroxyl groups, (C) an acidic phosphoric acid ester represented by general formula (1) and (D) a benzotriazole compound. The ratio of the secondary hydroxyl groups contained in the alcohol(s) (B) relative to the total number of moles of the primary and secondary hydroxyl groups contained in the alcohol(s) (B) is 50% or more. The benzotriazole compound (D) is contained in an amount of 1-11 parts by weight relative to 100 parts by weight of the total of the isocyanate(s) (A) and the alcohol(s) (B).

Inventors:
ITO SHINSUKE (JP)
KAWATO NOBUO (JP)
SUESUGI KOUJI (JP)
KUMA SHIGETOSHI (JP)
OGAWA TATSUYA (IT)
HASHIMOTO TOSHIYA (JP)
TANAKA MAMORU (IT)
Application Number:
PCT/JP2014/058671
Publication Date:
October 02, 2014
Filing Date:
March 26, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08L75/04; C08G18/48; C08K5/13; C08K5/3432; C08K5/3475; C08K5/521; G02B1/04; G02C7/12
Domestic Patent References:
WO2008018168A12008-02-14
WO2014080749A12014-05-30
WO2014080750A12014-05-30
WO2008092597A22008-08-07
WO2010043392A12010-04-22
Foreign References:
JPS60194401A1985-10-02
JPH08208794A1996-08-13
JPH01302202A1989-12-06
JPH03287641A1991-12-18
JP2012181268A2012-09-20
JP2008056854A2008-03-13
JPH11231102A1999-08-27
US20110251301A12011-10-13
JP2009520057A2009-05-21
JP2011012141A2011-01-20
JP2012521478A2012-09-13
JP2008144154A2008-06-26
JP2012181268A2012-09-20
JP2007099313A2007-04-19
JP2007024998A2007-02-01
JPH09216674A1997-08-19
JPH1170331A1999-03-16
JPH0838883A1996-02-13
JP2001037457A2001-02-13
JPH10113555A1998-05-06
JPS5731449B21982-07-05
Other References:
See also references of EP 2980159A4
Attorney, Agent or Firm:
HAYAMI SHINJI (JP)
Shinji Hayami (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: ELECTRICALLY PEELABLE ADHESIVE COMPOSITION, ELECTRICALLY PEELABLE ADHESIVE SHEET, AND METHOD FOR USI...

Next Patent: ELECTRICALLY PEELABLE ADHESIVE COMPOSITION, ELECTRICALLY PEELABLE ADHESIVE SHEET, AND METHOD FOR USI...