专利名称:Hydroxy terminated polyoxypropylene
polyamides
发明人:George P. Speranza,Wei-Yang Su申请号:US07/501815申请日:19900330公开号:US05130382A公开日:19920714
摘要:Hydroxy terminated polyamides are prepared having the formula: ##STR1##wherein R represents a defined hydrocarbon group,
< P>R' and R\" represents defined oxypropylene groups, and R'\" represents a definedoxyethylene group,
the hydroxy terminated polyamide having been prepared by first preparing anintermediate dicarboxylic acid terminated polyoxypropylene polyamide by reacting anexcess of a dicarboxylic acid component with a diamine mixture composed of a highermolecular weight polyoxypropylene diamine and a lower molecular weight
polyoxypropylene diamine, and by reacting the intermediate polyamide with a molarexcess of an oxyethylene amino alcohol.
申请人:TEXACO CHEMICAL COMPANY
代理人:Jack H. Park,Kenneth R. Priem,Carl G. Ries
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