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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creator | OI HIROFUMI 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 |
format | Patent |
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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. 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title | VISCOSITY REDUCING AGENT FOR LATEX |
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