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- Objective To evaluate the characteristics of polyhexymethylene carbonate polyurethane urea (PCU). 目的评价聚六亚甲基碳酸酯聚氨酯脲(PCU)的性能。
- Conducting composites from waterborne polyurethane(WPU) and carbon black(CB) were prepared by latex blending. 采用乳液共混法制得了炭黑/水溶性聚氨酯(CB/WPU)气敏导电复合材料。
- Some suggestions of the progress of waterborne polyurethane for the future was put forward. 并探讨了阴离子型水性聚氨酯存在问题及研究前景.
- Conducting composites from waterborne polyurethane (WPU) and carbon black (CB) were prepared by latex blending. 摘要采用乳液共混法制得了炭黑／水溶性聚氨酯(CB/WPU)气敏导电复合材料。
- The development trend of acrylate modified waterborne polyurethane is also discussed. 讨论了丙烯酸酯改性水性聚氨酯的发展趋势。
- This paper reviewed the recent methods that improve the water-resistance of waterborne polyurethane. 本文对近年来提高水性聚氨酯耐水性的方法进行了综述。
- As one component of two-pack waterborne polyurethane coating,polyisocyanate contains unmodified isocyanate and hydrophilically modefied polyisocyanate. 双组分水性聚氨酯涂料由聚合物多元醇和多异氰酸酯组成,而多异氰酸酯可分为疏水性和亲水性两类。
- Stable polyester anionic waterborne polyurethane emulsion was synthesized taking JW2503,TDI and DMPA as basic material by acetone process. 采用聚酯二醇、甲苯二异氰酸酯、二羟甲基丙酸为基本原料,用丙酮法合成了稳定的聚酯型阴离子水性聚氨酯乳液。
- In this paper ,we have discussed the synthesic monomers,chemical principles ,and the process of waterborne polyurethane. 本文对水性聚氨酯的合成单体、化学原理及工艺进行了介绍。
- By intercalating chain extender, the self emulsifying anionic waterborne polyurethane emulsions which have the block structure have been prepared. 通过自乳化聚合引入低分子扩链剂制得具有嵌段结构的阴离子型水性聚氨酯乳液。
- In this research, the aliphatic waterborne polyurethane were prepared from isophorone dissocyanate(IPDI), polyester and polyether polyol. 本论文以异佛尔酮二异氰酸酯(IPDI)、聚酯或聚醚多元醇为原料,合成了多种脂肪族水性聚氨酯。
- By intercalating chain-extender, the self-emulsifying anionic waterborne polyurethane emulsions which have the block structure have been prepared. 通过自乳化聚合引入低分子扩链剂制得具有嵌段结构的阴离子型水性聚氨酯乳液。
- The results showed:The adhesive properties were good on the metal using 30% cationic waterborne polyurethane and 15% blocked isocyan... 结果表明:30%25的阳离子水性聚氨酯溶液加入溶液质量15%25左右的封闭型异氰酸酯的胶粘剂对金属的粘接效果较好。
- Summarized raw materials and methods of the preparation of waterborne polyurethane and its modification especially chemistry modfication. 概述了制备水性聚氨酯的原料和方法及其改性,特别是化学改性方法。
- The article discussed factors effecting the bonding properties of waterborne polyurethane laminating adhesives and studied the affecting patterns of these factors. 探讨了影响水性聚氨酯复膜胶粘接性能的各种因素,并对它们的影响规律做了初步研究。
- Waterborne polyurethane (WPU) was prepared from polyether diol (N220) and tolylene di-isocyanate (TDI) as raw material, and epoxy soybean oil (ESO) as modifying agent. 摘要以聚氧化丙烯二醇、甲苯二异氯酸酯等为原料，以环氧大豆油为改性剂制备出环氧大豆油改性聚氨酯乳液，以该乳液配制出复合软包装膜用水性聚氨酯胶粘剂。
- The influence factors on microphase separation of waterborne polyurethane were studied, including soft segment type, DMPA content and different NCO/OH ratio. 合成了一系列水性聚氨酯,考察了软段组成、二羟甲基丙酸(DMPA)含量及不同NCO/OH比值对产物微相分离的影响。
- In the paper,deep color fabrics(woven twill,pile fabric,sanding fabric) were finished with prepared waterborne polyurethane under the optimum operating conditions. 采用自制的水溶性聚氨酯,以其最佳工艺对深浓色棉织物(斜纹机织、绒类、磨毛布)进行整理。
- Waterborne polyurethane (WPU) emulsions were synthesized by step-growth addition polymerization from a polyether polylol, toluene diisocyanate, dimethylolpropionic acid. 摘要以甲苯二异氰酸酯、聚醚二元醇、二经甲基丙酸为主要原料通过逐步加成聚合合成水性聚氨酯(WPU)乳液。
- The properties of abrasion resistance and thermal insulation of the waterborne polyurethane film were improved by the addition of nano-Al2O3 and nano-ITO respectively. 分别将纳米氧化铝和纳米氧化铟锡加入到水性聚氨酯树脂中,改善了水性聚氨酯涂膜的耐磨性能和隔热性能。
