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Title:
METHOD FOR PRODUCING INTERNAL MOLD RELEASE AGENT FOR OPTICAL MATERIAL, INTERNAL MOLD RELEASE AGENT FOR OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/055540
Kind Code:
A1
Abstract:
Provided is a method for producing an internal mold release agent for an optical material comprising a step for heating, to within a range of 80ºC to 140ºC, a composition containing (a) a phosphate ester compound and (b) an alcohol compound formed from a C1-10 aliphatic alcohol and/or aromatic alcohol such that, when the total amount of (a) and (b) is 100 wt%, the alcohol compound (b) content is 2.5 wt% or higher.

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Inventors:
KAWATO NOBUO (JP)
TANAKA MAMORU (JP)
Application Number:
PCT/JP2010/006492
Publication Date:
May 12, 2011
Filing Date:
November 04, 2010
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
KAWATO NOBUO (JP)
TANAKA MAMORU (JP)
International Classes:
C08G18/38; B29C33/60; C08L75/04; C09K3/00; G02B1/04
Domestic Patent References:
WO2007105355A12007-09-20
Foreign References:
JP2008255221A2008-10-23
JPH02167330A1990-06-27
JPH08208792A1996-08-13
JP1789084A1984-01-31
JP2621991B21997-06-18
JP3444682B22003-09-08
JP2668364B21997-10-27
JPH0231181A1990-02-01
JPH07276381A1995-10-24
JP2009255307A2009-11-05
Other References:
"Zelec UN", STEPAN CO., LTD.
"JP series", JOHOKU CHEMICAL CO., LTD.
"Phosphanol series", TOHO CHEMICAL INDUSTRY CO., LTD.
"AP and DP series", DAIHACHI CHEMICAL CO., LTD.
Attorney, Agent or Firm:
HAYAMI, Shinji et al. (JP)
Shinji Hayami (JP)
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