siloxanes

liquid crystalline properties of siloxanes polymer containing carboxylic acid and cholesteric groups

含羧酸与胆甾基元的硅氧烷类聚合物的液晶性能胆甾醇油酰基碳酸酯

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the study of acrylic ester emulsion modified by organic-siloxanes

有机硅氧烷改性丙烯酸乳液的研究

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Aimed at recently existing drawbacks of insufficient heat resistance and water-resistance of films formed from polyurethane aqueous dispersions ( PUD), the research progresses of their modifications with siloxanes ( PSi) are introduced.

针对聚氨酯水分散液（PUD）胶膜目前存在的耐热、耐水性能的不足，介绍了用聚硅氧烷（PSi）改性的研究进展。

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smearing the ethylene-dimethyl siloxanes on the metal copper plate surface reelingly , and drying 1-2 hours in air atmosphere 100-120deg. c.

把端乙烯基-聚二甲基硅氧烷旋涂到金属铜板表面，在空气的气氛中100-120℃干燥1-2小时。

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polyurethane aqueous dispersions modified with siloxanes

硅氧烷改性聚氨酯水分散液

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the siloxanes are generally random in structure

硅氧烷通常是无规结构

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Thermal pressure coefficients and densities for four poly-dimethyl-siloxanes which have different degree of polymerization were measured over the range ot temperature from 20 to 100 ℃.

本文测定了在20～100℃温度范围内，四个不同聚合度的聚二甲基硅氧烷的热压力系数和密度。

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synthesis and reaction of radical polymerization of allyl siloxanes

烯丙基二硅氧烷的合成及其自由基聚合反应

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