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156 条记录 (耗时 0.035 秒)

    Process for the preparation of thermoplastic polyurethane elastomers
    81.
    发明授权
    Process for the preparation of thermoplastic polyurethane elastomers 失效
    制备热塑性聚氨酯弹性体的方法

    公开(公告)号：US5200491A

    公开(公告)日：1993-04-06

    申请号：US903416

    申请日：1992-06-24

    申请人： Wolfgang Brauer ,  Friedemann Muller ,  Karl-Heinz Ott

    发明人： Wolfgang Brauer ,  Friedemann Muller ,  Karl-Heinz Ott

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/28 ,  C08G18/40 ,  C08G18/42 ,  C08G18/44 ,  C08G18/48 ,  C08G18/65 ,  C08K5/51 ,  C08L75/00 ,  C08L75/04

    CPC分类号： C08G18/40 ,  C08G18/089 ,  C08G18/28 ,  C08G18/288 ,  C08K5/51 ,  Y10S528/905 ,  Y10S528/906

    摘要： This invention relates to a process for standardized preparation of thermoplastic polyurethane elastomers by deactivating metal traces during the reaction, at an NCO:OH ratio of between about 0.85 and about 1.2:1, of(a) substantially linear hydroxyl-terminated polyols;(b) organic diisocyanates;(c) optional diol chain extenders; and(d) optional catalysts or other auxiliaries and/or additives, in the presence of(e) 0.000001 to 0.3% by weight, based on the total weight of the other components, of certain phosphorus compounds, wherein the phosphorus compounds are added to one or more of the other components before or during preparation of the thermoplastic polyurethane elastomers.

    摘要翻译： 本发明涉及通过在（a）基本上线性的羟基封端的多元醇的约0.85和约1.2:1之间的NCO:HOH比例反应期间使金属痕迹失活来标准制备热塑性聚氨酯弹性体的方法; （b）有机二异氰酸酯; （c）任选的二醇增链剂; 和（d）任选的催化剂或其它助剂和/或添加剂，在（e）0.000001至0.3重量％的存在下，基于其它组分的总重量，某些磷化合物，其中将磷化合物加入 一种或多种其它组分在制备热塑性聚氨酯弹性体之前或期间。

    Emulsifiers and a process for the production of large particle size, homodisperse polymer dispersions using these emulsifiers
    84.
    发明授权
    Emulsifiers and a process for the production of large particle size, homodisperse polymer dispersions using these emulsifiers 失效
    乳化剂和生产大颗粒尺寸的方法，使用这些乳化剂的均聚聚合物分散体

    公开(公告)号：US5071946A

    公开(公告)日：1991-12-10

    申请号：US509514

    申请日：1990-04-16

    申请人： Adolf Schmidt ,  Herbert Eichenauer ,  Karl-Heinz Ott ,  Alfred Pischtschan

    发明人： Adolf Schmidt ,  Herbert Eichenauer ,  Karl-Heinz Ott ,  Alfred Pischtschan

    IPC分类号： B01F17/00 ,  B01F17/36 ,  C07C69/593 ,  C07C69/75 ,  C07C69/753 ,  C08F2/26

    CPC分类号： C08F2/26

    摘要： Reaction products of 1 mol of a cycloaliphatic diol corresponding to formula IHO--R--OH Iwith 2 mols cycloaliphatic carboxylic anhydrides corresponding to formulae II and/or III ##STR1## in which R is a cycloaliphatic hydrocarbon radical having 6 to 20 carbon atoms onto which the hydroxy groups are bonded directly or via methylene groups andX represents ##STR2## chemical bond obtainable by fusion of the cycloaliphatic diol and the cycloaliphatic carboxylic anhydride in an inert gas atmosphere at temperatures of from 100.degree. C. to 250.degree. C., and the alkali and ammonium salts of these reaction products, and their use as emulsifiers.

    摘要翻译： 对应于式I HO-R-OH I的1摩尔脂环族二醇与对应于式II和/或III的2摩尔脂环族羧酸酐的反应产物其中R是脂环族烃基，其中R是具有 6至20个碳原子，其上羟基直接或通过亚甲基键合，X代表通过脂环族二醇和脂环族羧酸酐在惰性气体气氛中熔融获得的化学键，温度为100℃ ℃至250℃，以及这些反应产物的碱和铵盐，以及它们作为乳化剂的用途。

    Process for the preparation of aromatic polyethersulphones
    85.
    发明授权
    Process for the preparation of aromatic polyethersulphones 失效
    制备芳香族聚醚砜的方法

    公开(公告)号：US5047496A

    公开(公告)日：1991-09-10

    申请号：US365304

    申请日：1989-06-13

    申请人： Thomas Eckel ,  Karl Fuhr ,  Karl-Heinz Ott

    发明人： Thomas Eckel ,  Karl Fuhr ,  Karl-Heinz Ott

    IPC分类号： C08G75/00 ,  C08G75/23

    CPC分类号： C08G75/23

    摘要： This invention relates to a process for the preparation of high molecular weight aromatic polyethersulphones from diphenols and dihalogenoaryls, characterized in that N-alkylated acid amides are used as solvents and at the same time for the azeotropic removal of the water of reaction.

    摘要翻译： 本发明涉及从二酚和二卤代芳基制备高分子量芳族聚醚砜的方法，其特征在于N-烷基化酰胺作为溶剂，同时用于共沸除去反应水。