首页> 外国专利> Soft thermoplastic polyurethane with good mechanical and thermal properties - contains 2,2=bis:hydroxy-methyl-acyl nitrile as chain extender, useful for mouldings, films, coatings, sheaths, hoses, catheters, seals, profiles and filaments

Soft thermoplastic polyurethane with good mechanical and thermal properties - contains 2,2=bis:hydroxy-methyl-acyl nitrile as chain extender, useful for mouldings, films, coatings, sheaths, hoses, catheters, seals, profiles and filaments

机译:具有良好机械和热性能的软质热塑性聚氨酯-包含2,2 =双:羟甲基甲基丙烯腈作为扩链剂,可用于模塑,薄膜,涂料,护套,软管,导管,密封件,型材和细丝

摘要

In thermoplastic polyurethane (TPU) consisting of (a) polyisocyanate(s), (b) cpd(s). with an average of not less than 1.8 zerewitinoff-active H atoms and a mol. wt. of 400-10000 and (c) cpd(s). with an average of not less than 1.8 zerewitinoff-active H atoms and a mol. wt. of 32-400, at least 20 wt.% of component (c) is of formula (I); in which R1 = H, 1-6 C alkyl, 4-10 C cycloalkyl, 6-10 C aryl or CN.
机译:在由一种或多种多异氰酸酯组成的热塑性聚氨酯(TPU)中,(b)cpd。平均具有不少于1.8个zerewitinoff活性H原子和mol。重量400-10000和(c)cpd。平均具有不少于1.8个zerewitinoff活性H原子和mol。重量在32-400中,至少20重量%的组分(c)为式(I);其中R1 = H,1-6个碳原子的烷基,4-10个碳原子的环烷基,6-10个碳原子的芳基或CN。

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