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Title:
METHOD FOR PRODUCING POLYETHER
Document Type and Number:
WIPO Patent Application WO/2019/203233
Kind Code:
A1
Abstract:
Provided are: a method for producing an unsaturated group-containing polyether which enables the production of an unsaturated group-containing polyether having low turbidity; and a method for producing a reactive silicon group-containing polyether which enables the production of a reactive silicon group-containing polyether having low turbidity. These methods for producing a polyether are characterized in that the concentration of a metal salt of ascorbic acid in an unsaturated group-containing polyether or a reactive silicon group-containing polyether is set to 0.001 to 10 ppm.

Inventors:
NAGAOKA YU (JP)
KOYA SHOTA (JP)
Application Number:
PCT/JP2019/016333
Publication Date:
October 24, 2019
Filing Date:
April 16, 2019
Export Citation:
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Assignee:
KANEKA CORP (JP)
International Classes:
C08G65/329; C08G65/30; C08G65/336
Domestic Patent References:
WO2006049087A12006-05-11
Foreign References:
JPH0436312A1992-02-06
JP2008285585A2008-11-27
JP2006124621A2006-05-18
JPH10212349A1998-08-11
JP2007204701A2007-08-16
Attorney, Agent or Firm:
NIIYAMA Yuichi et al. (JP)
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