VISCOSITY REDUCING AGENT FOR LATEX

PROBLEM TO BE SOLVED: To obtain a viscosity reducing agent for latexes excellent in viscosity reducing effect and stability of latex particles. SOLUTION: This viscosity reducing agent for latexes contains a urethane polymer (UP) comprising a polyoxyalkylene compound (A) and an isocyanate (B) as esse...

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Hauptverfasser: OI HIROFUMI, NAKAMURA DAISUKE
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NAKAMURA DAISUKE
description PROBLEM TO BE SOLVED: To obtain a viscosity reducing agent for latexes excellent in viscosity reducing effect and stability of latex particles. SOLUTION: This viscosity reducing agent for latexes contains a urethane polymer (UP) comprising a polyoxyalkylene compound (A) and an isocyanate (B) as essential structural units. The weight average molecular weight of the (UP) is 1,000-200,000. The content of oxyethylene units of the compound (A) is preferably at least 60 wt.% based on the total weight of the oxyalkylene units. The compound (A) has a structure produced by reacting an alcohol, a phenol, an amine or an amide with a 2-4C alkylene oxide and the weight average molecular weight of the compound (A) is preferably 230-29,000. COPYRIGHT: (C)2005,JPO&NCIPI
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subjects IMPREGNATING OR COATING OF PAPER
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
title VISCOSITY REDUCING AGENT FOR LATEX
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