HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME

Title:

HYDROPHILIC THICKENING AGENT AND METHOD OF PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2012/111224

Kind Code:

A1

Abstract:

A crosslinked polymer which, crosslinked by a water-soluble crosslinking agent, comprises water-soluble, ethylenically unsaturated monomers. The equilibrium compliance at 25°C of a pH6.8-7 aqueous liquid comprising water and 1.0 mass% of said cross-linked polymer is 5.2×10-4-1.0×10-1(1/Pa), and the viscosity at 25°C of a pH6.8-7.0 aqueous liquid comprising water and 0.2 mass% of said crosslinked polymer is 200mPa⋅s.

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Inventors:

YAMAUCHI YOH (JP)
MASUDA TSUYOSHI (JP)
NAKATSUKA AKIO (JP)
WAJIMA AYAMI (JP)

Application Number:

PCT/JP2011/078467

Publication Date:

August 23, 2012

Filing Date:

December 08, 2011

Export Citation:

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Assignee:

SUMITOMO SEIKA CHEMICALS (JP)
YAMAUCHI YOH (JP)
MASUDA TSUYOSHI (JP)
NAKATSUKA AKIO (JP)
WAJIMA AYAMI (JP)

International Classes:

C08F220/00; C08F2/32; C09K3/00

Foreign References:

JPH04323213A	1992-11-12
JPH03227301A	1991-10-08
JPH06166725A	1994-06-14
JPH03227301A	1991-10-08
JPH04218582A	1992-08-10
JPH01149805A	1989-06-12

Other References: