Title:
AQUEOUS SOLUTION OF ACRYLIC ACID-BASED POLYMER, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2016/051922
Kind Code:
A1
Abstract:
The present invention is a method for producing an aqueous solution that contains an acrylic acid-based polymer having a weight average molecular weight of 1500 or lower, and the method is characterized by including a polymerization step of polymerizing a monomer that includes acrylic acid in a reaction system that contains at least one type of chain transfer agent selected from among hypophosphoric acid and salts thereof and phosphorous acid and salts thereof, at least one type of polymerization initiator selected from among azo compounds and peroxides, and water.
Inventors:
FUJIWARA MASAHIRO (JP)
Application Number:
PCT/JP2015/070180
Publication Date:
April 07, 2016
Filing Date:
July 14, 2015
Export Citation:
Assignee:
TOAGOSEI CO LTD (JP)
International Classes:
C08F20/06; C08F2/10; C08F2/38
Domestic Patent References:
| WO2014001410A2 | 2014-01-03 |
Foreign References:
| JPS62214186A | 1987-09-19 | |||
| JP2013534962A | 2013-09-09 | |||
| JPH11292908A | 1999-10-26 | |||
| JPS6173703A | 1986-04-15 | |||
| JP2003055403A | 2003-02-26 | |||
| JP2012224651A | 2012-11-15 | |||
| JP2000080396A | 2000-03-21 | |||
| JP2003231720A | 2003-08-19 | |||
| JP2001261749A | 2001-09-26 | |||
| JP2007084831A | 2007-04-05 | |||
| JPH03121101A | 1991-05-23 | |||
| JP2001254191A | 2001-09-18 |
Attorney, Agent or Firm:
KOJIMA SEIJI (JP)
Seiji Kojima (JP)
Seiji Kojima (JP)
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