Title:
POLY(CARBOXYLIC ACID)-BASED POLYMER FOR HYDRAULIC MATERIAL ADDITIVE
Document Type and Number:
WIPO Patent Application WO/2013/039044
Kind Code:
A1
Abstract:
Provided are a poly(carboxylic acid)-based polymer for a hydraulic material additive, such polymer having excellent hydraulic material dispersion properties, excellent workability and excellent product quality stability, a hydraulic material additive containing same, and a hydraulic material. The present invention is a poly(carboxylic acid)-based polymer used in a hydraulic material additive, wherein the polymer has a (poly)alkylene glycol chain and a weight average molecular weight (Mw) of 30,000 or lower, and the quantity of thiol groups in the polymer is 2.4 μmol/g or lower.
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Inventors:
SATO MASAHIRO (JP)
TOMITA TAKASHI (JP)
TOMITA TAKASHI (JP)
Application Number:
PCT/JP2012/073118
Publication Date:
March 21, 2013
Filing Date:
September 11, 2012
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND (JP)
SATO MASAHIRO (JP)
TOMITA TAKASHI (JP)
SATO MASAHIRO (JP)
TOMITA TAKASHI (JP)
International Classes:
C04B24/26; C04B28/02; C08F290/06; C04B103/32
Foreign References:
| JP2009242197A | 2009-10-22 | |||
| JPH01226757A | 1989-09-11 | |||
| JP2008519120A | 2008-06-05 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)
Patent business corporation Yasutomi international patent firm (JP)
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Claims:
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