Hydroxy terminated polyamides

Details Hydroxy terminated polyamides Hydroxy terminated polyamides

C - Chemistry, Metallurgy

08

G

402/154, 402/234

C08G 18/60 (2006.01) C08G 69/26 (2006.01) C08G 69/28 (2006.01) C08G 69/40 (2006.01) C08G 69/44 (2006.01)

Patent

CA 2033968

HYDROXY TERMINATED POLYAMIDES (Docket No. 80,881-F) ABSTRACT OF DISCLOSURE Hydroxy terminated polyamides are prepared having the formula: Image wherein R represents a defined hydrocarbon group, R' and R" represents defined oxypropylene groups, and R"' represents a defined oxyethylene group, the hydroxy terminated polyamide having been prepared by first preparing an intermediate dicarboxylic acid termi- nated polyoxypropylene polyamide by reacting a excess of a dicarboxylic acid component with a diamine mixture composed of a higher molecular weight polyoxypropylene diamine and a lower molecular weight polyoxypropylene diamine, and by reacting the intermediate polyamide with a molar excess of an oxyethylene amino alcohol.

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