• 不饱和氨基甲酸酯、丙烯酸异辛交联悬浮聚合的方法制备吸油性树脂

    Useing unsaturated urethane, 2-ethylhexyl acrylate, crosslinking agent, high oil-absorbent resin was prepared by suspension polymerization.

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  • 聚氨称为氨基甲酸主链上含有重复氨基甲酸酯基团大分子化合物统称

    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.

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  • 聚氨由异氰酸多元醇反应制成种具有氨基甲酸酯重复结构单元聚合物

    PU is a polymer with urethane segment repetitive structure unit formed after the reaction of TDI and PPG.

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  • 优选地氨基甲酸酯聚物异氰酸预聚物,且该固化剂包括二胺醇。

    Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.

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  • 报道二碘化钐作用,硫代氨基甲酸发生还原反应,得到较产率的二硫醚和酰胺化合物。

    This paper reports reductive reaction of the thiocarbamic esters with samarium diiodide to give disulfidesand carboxamides in good results.

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  • 通过固化剂存在下使氨基甲酸酯预聚物聚合形成固体产物具有小于大约38%的巴肖氏回弹

    A solid product formed by polymerizing a urethane prepolymer in the presence of a curative has a Bashore rebound that is less than about 38%.

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  • 为了形成聚氨材料表面活性剂存在惰性气体使氨基甲酸酯聚物发泡,随后固化

    To form a microcellular polyurethane material, the urethane prepolymer is frothed with inert gas, in the presence of a surfactant, then cured.

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  • 因为氨基甲酸这些材料不会温度变化或者潮湿而影响性状,所以需要专门储存环境。

    No special storage requirements are needed because polyurethane and nitrile are not affected by changes in temperature and dampness.

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  • 聚氨PU一种具有氨基甲酸酯重复结构的聚合物,具有好的撕裂磨损性,良好的臭氧和耐油性,应用广泛。

    The polyurethane (PU) is a polymer formed with urethane segment, as very high resistance to tear and abrasion, good resistance to ozone, oil and petrol, is widely used.

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  • 聚氨PU一种具有氨基甲酸酯重复结构的聚合物,具有好的撕裂磨损性,良好的臭氧和耐油性,应用广泛。

    The polyurethane (PU) is a polymer formed with urethane segment, as very high resistance to tear and abrasion, good resistance to ozone, oil and petrol, is widely used.

    youdao

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