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293 条记录 (耗时 0.028 秒)

    Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number
    94.
    发明授权
    Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number 失效
    二苯甲基二异氰酸酯和具有降低的碘颜色数的聚苯乙烯聚异氰酸酯的混合物的制备

    公开(公告)号：US5207942A

    公开(公告)日：1993-05-04

    申请号：US653566

    申请日：1991-02-08

    申请人： Dietrich Scherzer ,  Roland Minges ,  Werner Langer ,  Bernd Bruchmann ,  Wolfgang Heider ,  Peter Keller ,  Arnold Schmitt ,  Willy Van Pee

    发明人： Dietrich Scherzer ,  Roland Minges ,  Werner Langer ,  Bernd Bruchmann ,  Wolfgang Heider ,  Peter Keller ,  Arnold Schmitt ,  Willy Van Pee

    IPC分类号： C07C263/18 ,  C07C263/20 ,  C07C265/14

    CPC分类号： C07C263/18 ,  C07C263/20

    摘要： Mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates (crude MDI) having a reduced iodine color number are prepared by reacting the corresponding mixtures of diphenylmethanediamines and polyphenylpolymethylene-polyamines with phosgene in the presence of one or more inert organic solvents at elevated temperatures by a process in which low molecular weight alkanols, polyhydric alcohols, preferably dihydric to octahydric alcohols having a molecular weight of from 60 to 350, or mixtures thereof are incorporated in an effective amount, advantageously in an amount of from 0.01 to 5% by weight, based on the weight of crude MDI, into the reaction mixture after the end of the phosgenation, the phosgene and the inert organic solvent are then separated off, from 0 to 5% by weight, based on the weight of crude MDI, of one or more phenol-based antioxidants and/or aryl phosphite are added to the reaction product, and the reaction mixture is subjected to a thermal treatment.

    摘要翻译： 通过在一个或多个惰性有机溶剂的存在下，在高温下使二苯基甲烷二胺和聚苯基聚亚甲基 - 多胺的相应混合物与光气反应来制备具有降低的碘色数的二苯基甲烷二异氰酸酯和聚苯基聚亚甲基多异氰酸酯（粗MDI）的混合物， 低分子量链烷醇，多元醇，优选分子量为60至350的二元至八元醇或其混合物以有效量引入，有效量为基于重量的0.01至5重量％ 的粗MDI，在光气化结束后进入反应混合物中，然后分离出光气和惰性有机溶剂，基于粗MDI的重量计，0至5重量％的一种或多种酚基 将抗氧化剂和/或亚磷酸芳基酯加入到反应产物中，并将反应混合物进行热处理 音乐

    Highly branched polymers as cross-linking agents in microcapsule wall
    95.
    发明授权
    Highly branched polymers as cross-linking agents in microcapsule wall 有权
    高分支聚合物作为微胶囊壁中的交联剂

    公开(公告)号：US09056302B2

    公开(公告)日：2015-06-16

    申请号：US13376226

    申请日：2010-06-11

    申请人： Marc Rudolf Jung ,  Francisco Javier Lopez Villanueva ,  Tina Schroeder-Grimonpont ,  Monika Haberecht ,  Bernd Bruchmann

    发明人： Marc Rudolf Jung ,  Francisco Javier Lopez Villanueva ,  Tina Schroeder-Grimonpont ,  Monika Haberecht ,  Bernd Bruchmann

    IPC分类号： B01J13/14 ,  A61K8/11 ,  A61K8/81 ,  C09B67/02 ,  F28D20/02

    CPC分类号： B01J13/14 ,  A61K8/11 ,  A61K8/8147 ,  A61K2800/412 ,  C09B67/0097 ,  F28D20/023 ,  Y02E60/145 ,  Y10T428/2989

    摘要： The present invention relates to microcapsules comprising a capsule core and a capsule wall, obtainable by a process comprising the free-radical polymerization of an oil-in-water emulsion which comprises the following constituents: 30 to 90% by weight based on the total weight of the monomers of one or more monomers (monomers I) from the group comprising C1-C24-alkyl esters of acrylic acid and/or methacrylic acid, acrylic acid, methacrylic acid, maleic acid, fumaric acid and itaconic acid 10 to 70% by weight based on the total weight of the monomers of one or more ethylenically unsaturated crosslinkers (monomers II), where at least 10% by weight, based on the total weight of the monomers I, II and III, is a highly branched polymeric crosslinker, 0 to 30% by weight based on the total weight of the monomers of one or more monounsaturated monomers (monomer III), which are different from the monomers I, and a hydrophobic core material, to a process for their preparation and to their use.

    摘要翻译： 本发明涉及包含胶囊核心和胶囊壁的微胶囊，其通过包括以下组分的水包油乳液的自由基聚合的方法获得：基于总重量为30至90重量％ 的单体（单体I）来自包含丙烯酸和/或甲基丙烯酸的C 1 -C 24烷基酯，丙烯酸，甲基丙烯酸，马来酸，富马酸和衣康酸的单体（单体I）10至70％ 基于一种或多种烯键式不饱和交联剂（单体II）的单体的总重量，其中至少10重量％，基于单体I，II和III的总重量是高度支化的聚合物交联剂， 0〜30重量％，其与单体I不同的一种或多种单不饱和单体（单体III）和疏水性核心材料的单体的总重量相对于其制备方法及其用途。