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Synthesis and modification of aqueous polyurethane
Author(s): 
Pages: 6-9
Year: Issue:  10
Journal: CHINA ADHESIVES

Keyword:  水性聚氨酯交联性能;
Abstract: 以甲苯二异氰酸酯(TDI)、聚醚二元醇(N220)和二羟甲基丙酸(DMPA)为主要原料,采用三羟甲基丙烷(TMP)进行交联改性合成了水性聚氨酯(WPU),研究了n(-NCO)/n(-OH)、DMPA及TMP对WPU的耐水性、稳定性和力学性能的影响.研究发现,改性后的乳液常温贮存稳定性好,适度交联可提高胶膜的拉伸强度及耐水性.
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