异氰酸酯固化剂在加热的情况下与羟基聚合物反应形成聚氨酯涂料。
Isocyanate curing agents which when heated or reacted with hydroxy functional polymers giving urethane coatings.
用丙烯酸酯对聚氨酯进行接枝改性,在无苯溶剂体系下合成高性能环保型鞋用胶粘剂。
Polyurethane is modified by grafting acylates. In the non-toluene solvents, high quality and pollution-free shoe adhesive is synthesized.
在采用高真空两级薄膜蒸发分离甲苯二异氰酸酯(TDI)-三羟甲基丙烷(TMP)聚氨酯固化剂中游离TDI的实验研究基础上,进行了中试研究。
The free toluene diisocyanate(TDI) in the curing agent TDI-TMP(Trimethylol Propane) of polyurethane was separated in laboratory by means of high-vacuum two-stage thin-film evaporation.
将聚氨酯丙烯酸酯齐聚物(PUA)与过氯乙烯(CPVC)共混制成渗透汽化膜并用来分离乙醇水溶液。
The UV Curing polyurethane (PUA) was blended with chlorinated polyvinyl chloride (CPVC) for Pervaporation membranes, which were used to separate ethanol water mixture.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料,对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
本文探讨了聚氨酯胶粘剂几种固化剂的合成及甲苯二异氰酸酯(TDI)三聚体的固含量、用量等对不同类型的聚氨酯胶粘剂初粘力的影响。
In this paper, several curing agent of polyurethane were synthesized. Influences of solid content and dosage of TDI tripolymer on different PU adhesion high initial bonding strength were discussed.
所得的聚氨酯丙烯酸酯光固化阴极电泳漆综合性能良好。
The UV curable cathodic electrophoretic paint prepared by polyurethane acrylate showed good properties.
结果表明,不同的低聚物多元醇、多异氰酸酯及扩链剂对聚氨酯力学性能有较大影响;
The results show that the mechanical properties of polyurethane vary with polyol, mulriisocyanate and chain-extender.
介绍了制备聚氨酯-丙烯酸酯(PUA)分散体用的原料及其作用,以及典型的制备工艺及其特点。
This paper has described the raw materials and their functions for preparation of polyurethane-acrylate dispersion (PUA) and the typical preparation technology of the dispersion.
芳香族异氰酸酯制成的聚氨酯比脂肪族异氰酸酯的耐老化性能好得多。
The results show that amine content increases with ageing time and polyurethanes based on aromatic isocyanate has much better ageing resistance than ones based on aliphatic isocyanate.
利用丙烯酸酯对聚氨酯进行改性是提高聚氨酯综合性能的主要手段之一。
One of the main methods to improve the polyurethane integration performance by the acrylate modification.
阐述了适于弹性纤维熔融纺丝的聚合物聚氨酯和聚醚酯的结构特点;
The structural characteristics of the polymer feedstock, polyurethane and polyether ester, practicable for elastic fiber melt spinning were described.
采用裂解色谱质谱技术对光固化聚氨酯丙烯酸酯齐聚物裂解产物进行了分析,并对裂解机理进行了讨论。
In this paper, the pyrolytic compound of polyurethane acrylate oligomer was analyzed by pyrolytic gas chromatography-mass spectrometry and the pyrolytic mechanism was also discussed.
例举了用脂肪酸酯制备白色氨基烘漆、蓝色聚氨酯漆及浅灰色自干醇酸磁漆的配方及涂料性能。
The formulations and film performance of fatty acid ester based white melamine baking paint, blue polyurethane paint and gray air dry alkyd enamel are listed.
由HAR和六次甲基二异氰酸酯反应制备了性能优异的高固体分双组分丙烯酸聚氨酯涂料。
A double component coating, acrylic polyurethane with high solid and good performance, was prepared by the reaction of HAR and HDI.
本文分析了水性聚氨酯丙烯酸酯复合外墙涂料组成与性能关系。
In this paper relationship between composition and performance of water based polyurethane acrylate compounded exterior wall coating is analysed.
采用己二异氰酸酯为原料,制备光稳定性的聚氨酯胶粘剂,用于PV C .PU及牛皮革的粘接。
A polyurethane adhesive with high light stability was prepared using hexamethylene diisocyanate and used for bonding PVC, PU and leather.
选用不同的降解剂,采用醇—磷酸酯法降解废旧聚氨酯泡沫,对降解产物进行性能测试。
In this paper, different kinds of alcohols and phosphates are chose to degrade scrap polyurethane foam and the performance of catabolite is tested.
讨论了不同异氰酸酯结构、不同聚醚多元醇体系、不同合成方法对聚氨酯弹性体的影响。
This paper discusses on the influence of different structures of isocyanate, different system of polyether-polybasic alcohol and different synthetic methods on polyurethane elastomers.
探讨了聚醚类芳香族聚氨酯丙烯酸酯的合成工艺及其性能影响因素。
The synthesis of polyether aromatic polyurethane acrylate and its influencing factors were discussed.
研究了以聚酯多元醇和异氰酸酯为主原料,采用水基发泡新工艺制取软质聚氨酯泡沫的配方。
A formula has been developed for making the soft polyurethane foamed plastic with polyester polylol and isocyanate as the raw materials by a new water foamed technology.
采用双酚A环氧丙烯酸酯(EA)和聚氨酯丙烯酸酯(PUA)共混,加入活性稀释剂、光引发剂、颜料等制备了紫外光固化光纤涂料。
The UV curable coating of fiber ribbon was prepared by blending bisphenol A epoxy acrylate(EA) and polyurethane acrylate(PUA)and adding reactive diluent, photoinitiator and pigment.
选用聚合物H和改性异氰酸酯K为主要原料合成聚氨酯灌封胶。
Polyurethane (PU) pouring sealant was synthesized with polymer H and modified isocyanate K as basic materials.
聚氨酯全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。
The full name of the polyurethane is the poly - urethane, which is a general designation of the macromolecular compound containing repeated amino acid ester groups.
利用丙烯酸酯改性以及丙烯酸酯-有机硅复合改性明显降低了聚氨酯分子中硬链段的微区结晶程度。
The acrylate modification and acrylate organosiloxane compound modification can obviously decrease the degree of micro crystal in the molecular of polyurethane.
以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基,制备了硬质聚氨酯泡沫塑料。
A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.
合成了可uv固化的聚氨酯丙烯酸酯,并利用傅立叶红外光谱对其合成过程及固化涂膜进行了表征。
UV curable polyurethane acrylates (UVPUA) were prepared, and the synthesis process and cured films were monitored by Fourier Transform Infrared (FTIR).
合成了可uv固化的聚氨酯丙烯酸酯,并利用傅立叶红外光谱对其合成过程及固化涂膜进行了表征。
UV curable polyurethane acrylates (UVPUA) were prepared, and the synthesis process and cured films were monitored by Fourier Transform Infrared (FTIR).
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