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Polyisocyanate prepolymers and their use for casting dialysis filters

机译：多异氰酸酯预聚物及其在浇铸渗析过滤器中的用途

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摘要

Polyisocyanate prepolymer (I) comprises polyisocyanate (i) and optionally bis-[isocyanatodiphenylmethane]-carbodiimide (ii) with a mixture (iii) of at least two polyether polyols (iii-a and iii-b) with a molecular weight of at least 300 g/mol, where the two polyether polyol through alkoxy a bifunctional starter molecule has a difference of at least 150 g/mol in the molecular weight. Independent claims are also included for polyurethane (A) obtained by reacting (I) with polyols; and dialysis filter, prepared from bundle of hollow fibers that are embedded into compact sealant at the end, comprising (A) as the casting compound.

机译：多异氰酸酯预聚物（I）包括多异氰酸酯（i）和任选的双-[异氰酸根合二苯基甲烷]-碳二亚胺（ii）以及至少两种分子量至少为2的聚醚多元醇（iii-a和iii-b）的混合物（iii）。 300 g / mol，其中两个聚醚多元醇通过烷氧基双官能起始分子的分子量相差至少150 g / mol。通过（I）与多元醇反应获得的聚氨酯（A）也包括独立权利要求;透析过滤器，由中空纤维束制成，所述中空纤维束末端被嵌入紧密的密封剂中，包含（A）作为浇注料。

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公开/公告号EP1582544A1

专利类型
公开/公告日2005-10-05

原文格式PDF
申请/专利权人 BASF AKTIENGESELLSCHAFT;
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申请/专利号EP20050006176
发明设计人 REESE HANS-JUERGEN;FRITZ RALF DR.;BEZARD STEPHANE;LEIFHEIT HOLGER;LUKAT GUNTHER;POHL WOLFGANG DR.;BARTZ THOMAS DR.;
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申请日2005-03-22
分类号C08G18/48;C08G18/76;C08G18/79;C08G18/72;C08G18/12;B01D63/02;A61L27/34;
国家 EP
入库时间 2022-08-21 22:06:46

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