模拟冬夏季节环境，考察了不同催化剂对聚醚型聚氨酯软质泡沫通气性、硬度和压缩变形的影响。
Environment in summer and winter were simulated. Roles of catalysts on the aeration, hardness and deformation of polyether type PU soft foam were studied.
考虑到着色和浇铸料的性质，选择具有更大硬度范围，低磨损，优越承载能力的聚氨酯替代橡胶是明智的。
Considering its colourable and castable nature, its extended hardness range, low wear and superior load bearing capacity, polyurethane is a smart substitute for rubber.
分别采用MDI- 50、TDI- 65和TDI - 80与聚酯多元醇反应制得低硬度耐溶剂聚氨酯弹性体制品。
Polyurethane elastomers with low hardness and solvent resistance were prepared by reacting MDI-50, TDI-65 and TDI - 80 with polyester polyol respectively.
简述了低溶剂型高硬度水性聚氨酯的研制原理，讨论了各项因素对树脂性能的影响。
This article hes briefly described the principle of preparation of solvent-free and higher hardness aqueous polyurethane resin, and discussed the influence of various factors on the resin properties.
用环氧树脂改性的水性聚氨酯涂膜具有硬度高，耐水性好等特点。
There are the properties of high hardness, water resistance and so on for waterborne polyurethane by...
实验表明，在施工现场采用一步法工艺可获得高硬度、高强度、耐磨、耐水的聚氨酯材料。
The test proves that the wear resisting and water proofing polyurethane materials with high-hardness and high strength can be obtained by using the one...
实验表明，在施工现场采用一步法工艺可获得高硬度、高强度、耐磨、耐水的聚氨酯材料。
The test proves that the wear resisting and water proofing polyurethane materials with high-hardness and high…
是以聚氨酯树脂为基料的单组分清漆，具有高光泽、硬度高、耐沾污、易清洗、易施工等特点。
Floor varnish IS36 is based on polyurethane resin. It is dried to glossy, hard, contamination-resistant and easily cleaned film. And application is easily down.
在室温下，选用聚醚多元醇，多异氰酸酯等材料，合成了一系列高硬度聚氨酯弹性体。
At room temperature, polyether-polybasic alcohol, polyisocyanate and so on were used as mainly materials to synthesize a series of high-hardness polyether urethane elastomers.
并以所得聚酯合成了具有透明度高、硬度大、耐磨、玻璃化温度高等优异性能的聚氨酯材料。
Moreover, a polyurethane material which has the excellent properties such as high clarity, strong rigidity, wearable and high glass transition temperature was synthesized by the obtained polyester.
PEA-DMTDA型低硬度聚氨酯材料在扩链系数为0.9时具有最好的力学性能，耐溶剂性能则随着扩链系数的增加而变差。
PU made from PEA and DMTDA have the best mechnical property when the crosslink coefficient is 0.9. But the solvent resistance decreased with increasing crosslink coefficient.
引导内侧特别设计，以提高抓地力双硬度聚氨酯。
Inner side of the boot specifically designed with dual compound PU for improved grip.
引导内侧特别设计，以提高抓地力双硬度聚氨酯。
Inner side of the boot specifically designed with dual compound PU for improved grip.
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