试验表明阴离子型聚氨酯树脂复鞣剂可提高铬鞣革的收缩温度及力学强度。
The results showed that anion aqueous PU resin retanning agent can improve the shrinkage temperature and mechanics strength of chrome tanned leather.
本文采用紫外光谱法研究了阴、阳、非离子型水溶性聚氨酯树脂与胶原的相互作用。
The interaction between aqueous polyurethane resins and collagen was studied in this paper by ultraviolet spectroscopy.
结果表明：30%的阳离子水性聚氨酯溶液加入溶液质量15%左右的封闭型异氰酸酯的胶粘剂对金属的粘接效果较好。
The results showed:The adhesive properties were good on the metal using 30% cationic waterborne polyurethane and 15% blocked isocyanates mixing.
本文采用丙烯醇、不同分子量聚乙二醇(PEG)以及2,4 -甲苯二异氰酸酯(2,4 -TDI)为主要原料合成了系列不同分子量的非离子型可聚合聚氨酯表面活性剂。
A series of polymerizable nonionic urethane surfactants were synthesized with 2, 4-tolylene di-iso-cyanate (2, 4-tdi), polyethylene glycols (PEG) of different molecular weight and allyl alcohol.
本文采用丙烯醇、不同分子量聚乙二醇(PEG)以及2,4 -甲苯二异氰酸酯(2,4 -TDI)为主要原料合成了系列不同分子量的非离子型可聚合聚氨酯表面活性剂。
A series of polymerizable nonionic urethane surfactants were synthesized with 2, 4-tolylene di-iso-cyanate (2, 4-tdi), polyethylene glycols (PEG) of different molecular weight and allyl alcohol.
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