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- Aqueous Polyurethane Coating Modification Methods 水性聚氨酯涂料的改性方法
- aqueous polyurethane coatings 水性聚氨酯涂料
- Application: This series of aqueous polyurethane dispersions are mainly used in waterbased wood coatings and metal coatings. 应用：该系列产品主要应用于木器家装、家具漆、玩具漆，及金属装饰等。
- The properties of TMXDI as well as approachs to preparing aqueous polyurethane adhesives, coatings and ink by takingthe advantage of this special polyisocyanate are introdued. 介绍四甲基苯二甲基二异氰酸酯(TMXDI)的性能及利用其特殊化学结构和性质制备水性聚氨酯胶黏剂、涂料、油墨的方法。
- A series of anionic aqueous polyurethane were prepared,which were modified with epoxy silane by outer crosslinking. 合成阴离子型水性聚氨酯,使用环氧硅烷外交联改性水性聚氨酯。
- However,most of the aqueous polyurethane membrane is bad water and solvent resistance,which limits its application. 大多数水性聚氨酯涂膜耐水性、耐溶剂性等较差,限制了其应用范围。
- The aqueous polyurethane emulsion was prepared through to use trimethylolpropane (TMP) as cross-linkers and acrylate as modified agents by emulsion co-polymerization. 摘要以三羟甲基丙烷等作为交联剂，采用丙烯酸酯作为改性剂合成改性水性聚氨酯乳液。
- The title aqueous polyurethane(APU) has been prepared by using polyether,dimethylol propionic acid and toluene diisocyanate(TDI) and siloxane monomer. 采用有机硅氧烷单体与聚醚、二羟甲基丙酸(DMPA)和甲苯二异氰酸酯(TD I)反应制备水性聚氨酯涂料。
- The experimental results show that UT is an aqueous polyurethane resin with outstanding retanning,dyeing-assistance and dye-levelling properties. 实验表明UT是水溶性聚氨酯树脂，具有突出的复鞣、助染、匀染性能。
- This article has briefly described the trimerization technology for reduction of residual TDI in polyurethane coatings. 简要介绍了降低聚氨酯涂料中游离TDI含量的三聚法。
- The stable UV-curable aqueous polyurethane emulsion was synthesized with polyeher polyols, toluene diiso-cyanate and hydroxy-propyl acrylate( HPA) . 利用聚醚多元醇,甲苯二异氰酸酯和丙烯酸羟丙酯合成了稳定的可紫外光固化的水分散性聚氨酯乳液。
- Aqueous polyurethane adhesives are synthesized from toluenediisocyanate(TDI), polypropylene glycol(PPG), and dimethlolpropionic acid(DMPA). 以甲苯二异氰酸酯(TDI)、聚醚二元醇(PPG)和亲水单体二羟甲基丙酸(DMPA)为主要原料合成了水性聚氨酯胶粘剂。
- The new rain erosion resistant aircraft coatings is a fluoro resin modified polyurethane coatings. 本研究的目的是研制一种新型航空玻璃钢结构部件用防雨蚀弹性聚氨酯涂料。
- A waterborne aliphatic polyurethane coatings was prepared by epoxy resin modified polyurethane and IPDI instead of TDI. 采用环氧树脂改性聚氨酯，异佛尔酮二异氰酸酯代替甲苯二异氰酸酯合成出耐候性好的水性聚氨酯树脂。
- Ketimine,which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin. 用丙酮分别和乙二胺、己二胺反应制备酮亚胺,并以其作为潜伏性扩链剂改善水性聚氨酯(PU)的性能。
- Several different types of aqueous polyurethane dispersions and the composition, preparation and application of the aqueous polyurethane dispersions were given. 介绍了几种不同类型的聚氨酯水分散体,及其组成、制备和应用等。
- Water-based polyurethane (WPU) was synthesized from polyester, TDI and dimethylolpropionic acid (DMPA).The properties of aqueous polyurethane emulsion were discussed. 摘要由聚酯多元醇、2,4-甲苯二异氰酸酯、二羟甲基丙酸等合成了水性聚氨酯乳液，对乳液性能进行了研究；
- Aqueous polyurethane (PU) adhesives were modified by epoxy resin, the effect of neutralization degree on particle diameter, appearance and storage stability was studied. 摘要利用环氧树脂改性水性聚氨酯胶粘剂，探讨了中和度对乳液粒径、外观和贮存稳定性的影响，改性后胶粘剂对多种复合薄膜性能的影响；
- Isocyanate was modified with emulgent DMPA,and then reacted with hydroxyl acrylic resin forming waterborne two-component acrylic polyurethane coatings. 用内乳化剂二羟甲基丙酸(DMPA)对异氰酸酯进行改性,然后将其与丙烯酸酯多元醇反应制备了水性双组分丙烯酸酯聚氨酯涂料。
- A series of aqueous polyurethane dispersions were synthesized with sulfonate group-containing polyester diol and IPDI as primary materials and DMPA as hydrophilic monomers. 以含有磺酸盐的聚酯多元醇和异佛二酮二异氰酸酯(IPDI)为主要原料,以二羟甲基丙酸(DMPA)为亲水单体制备了一组不同组成的聚氨酯分散液。
