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    • 2. 发明申请
    • IMPROVED STABILITY OF POLYURETHANE POLYOL BLENDS CONTAINING HALOGENATED OLEFIN BLOWING AGENT
    • 含有氢化烯烃发泡剂的聚氨酯多元醇混合物的改进稳定性
    • WO2012150998A1
    • 2012-11-08
    • PCT/US2012/027800
    • 2012-03-06
    • ARKEMA INC.CHEN, Benjamin B.COSTA, Joseph S.ABBAS, LaurentLIU, HaimingSESHADRI, Sri R.
    • CHEN, Benjamin B.COSTA, Joseph S.ABBAS, LaurentLIU, HaimingSESHADRI, Sri R.
    • C08G18/00
    • C08G18/06C08G18/1808C08G18/1816C08G18/1825C08G18/1833C08G18/4018C08G18/482C08G18/5033C08G18/7664C08G2101/005
    • A stable polyol pre-mix composition comprises a blowing agent, a polyol, a surfactant, and a catalyst composition comprising an oxygen -containing amine catalyst. The oxygen-containing amine catalyst may be, an alkanol amine, an ether amine, or a morpholine group. containing compound such as, 2.(2.dimethylaminoethoxy)ethanol or N.N.N'.trimethylaminoethylethanolamine. A stabilized thermosetting foam blend comprises: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A method for stabilizing thermosetting foam blends comprises combining: (a) a polyisocyanate and, optionally, isocyanate compatible raw materials; and (b) a polyol pre. mix composition. A polyurethane or polyisocyanurate foam having uniform cell structure with little or no foam collapse comprises a mixture of: (a) a polyisocyanate and, optionally, one or more isocyanate compatible raw materials; and (b) a polyol pre-mix composition. The resultant polyurethane or polyisocyanurate foams have uniform cell structure with little or no foam collapse.
    • 稳定的多元醇预混组合物包含发泡剂,多元醇,表面活性剂和包含含氧的胺催化剂的催化剂组合物。 含氧胺催化剂可以是链烷醇胺,醚胺或吗啉基。 (2.二甲基氨基乙氧基)乙醇或N.N.N'-三甲基氨基乙基乙醇胺。 稳定的热固性泡沫共混物包括:(a)多异氰酸酯和任选的与异氰酸酯相容的原料; 和(b)多元醇前体。 混合成分。 一种用于稳定热固性泡沫共混物的方法包括:(a)多异氰酸酯和任选地与异氰酸酯相容的原料; 和(b)多元醇前体。 混合成分。 聚氨酯或聚异氰脲酸酯泡沫体具有均匀的泡孔结构,很少或没有泡沫破裂,包括:(a)多异氰酸酯和任选的一种或多种异氰酸酯相容的原料的混合物; 和(b)多元醇预混组合物。 所得的聚氨酯或聚异氰脲酸酯泡沫具有均匀的泡孔结构,很少或没有泡沫破裂。