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Study on Phase Inversion Behavior of Aqueous Polyurethane During Emulsification Process
Pages: 8-11,19
Year: Issue:  1
Journal: Paint & Coatings Industry

Keyword:  aqueous polyurethanealicyclicemulsificationphase inversion;
Abstract: 以异佛尔酮二异氰酸酯(IPDI)和聚醚二元醇(N210、N220、N330)为基本原料,1,4-丁二醇(BDO)和2,2-二羟甲基丙酸(DMPA)为扩链剂,蓖麻油(C.O.)和三羟甲基丙烷(TMP)为交联剂,三乙胺(TEA)为中和剂合成了脂环族水性聚氨酯预聚物.通过测定预聚物加水乳化过程中的黏度和电导率,研究了其相转变行为.结果表明:聚醚二元醇相对分子质量、n(-NCO):n(-OH)值、羧基含量...
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