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52 条记录 (耗时 0.031 秒)

    Aqueous isocyanate emulsions and their use as binders in a process for the production of shaped articles
    31.
    发明授权
    Aqueous isocyanate emulsions and their use as binders in a process for the production of shaped articles 失效
    水性异氰酸酯乳液及其在成型制品生产过程中作为粘合剂的用途

    公开(公告)号：US4528117A

    公开(公告)日：1985-07-09

    申请号：US150488

    申请日：1980-05-16

    申请人： Hans-Joachim Scholl ,  Helmut Reiff ,  Hanns I. Sachs

    发明人： Hans-Joachim Scholl ,  Helmut Reiff ,  Hanns I. Sachs

    IPC分类号： C08G18/00 ,  C08G18/70 ,  C08L75/04 ,  C08L97/02 ,  B01J13/00 ,  C07C119/042

    CPC分类号： C08G18/706 ,  C08L97/02 ,  C08L75/04 ,  Y10T428/253

    摘要： The present invention relates to aqueous isocyanate emulsions and their use as binders in the production of shaped articles. These emulsions contain(A) from 80 to 20% by weight, based on the total emulsion, of water;(B) from 18 to 79% by weight, based on the total emulsion, of an organic polyisocyanate;(C) from 0.5 to 15% by weight, based on the total emulsion of a sulfonic acid corresponding to the formula:R.sub.1 --SO.sub.3 H).sub.nwhereinn represents the integers 1 or 2, andR.sub.1 represents an aromatic hydrocarbon radical containing from 6 to 14 carbon atoms, an aliphatic hydrocarbon radical containing from 10 to 18 carbon atoms, a cycloaliphatic hydrocarbon radical containing from 6 to 15 carbon atoms, an araliphatic hydrocarbon radical containing from 7 to 15 carbon atoms or an alkaromatic hydrocarbon radical containing from 7 to 24 carbon atoms; and(D) from 0 to 10% by weight, based on the polyisocyanate, of a nonionic, surface-active agent as an emulsifier.

    摘要翻译： 本发明涉及异氰酸酯水乳液及其在成型制品生产中作为粘合剂的用途。 这些乳液含有（A）基于总乳液80至20重量％的水; （B）有机多异氰酸酯为18至79重量％，基于总乳液; （C）0.5至15重量％，基于对应于下式的R 1 -SO 3 H）n的磺酸的总乳液，其中n表示整数1或2，并且R 1表示含有6至 含有10至18个碳原子的脂族烃基，含有6至15个碳原子的脂环族烃基，含有7至15个碳原子的芳脂族烃基或含有7至24个碳原子的烷基烃基 原子 和（D）基于多异氰酸酯0至10重量％的非离子表面活性剂作为乳化剂。

    Bisulfite-blocked polyisocyanates as tanning agents
    34.
    发明授权
    Bisulfite-blocked polyisocyanates as tanning agents 失效
    亚硫酸氢盐封端的多异氰酸酯作为鞣剂

    公开(公告)号：US5618317A

    公开(公告)日：1997-04-08

    申请号：US456972

    申请日：1995-06-01

    申请人： Harro Traubel ,  Helmut Reiff

    发明人： Harro Traubel ,  Helmut Reiff

    IPC分类号： C08G18/30 ,  C08G18/80 ,  C14C3/18 ,  C14C3/22 ,  A61K7/42 ,  C08G18/52

    CPC分类号： C14C3/18

    摘要： The present invention relates to tanning agents containing carbamoyl sulfonate groups that are prepared by the reaction of(A) organic polyisocyanates,(B) 0.01 to 0.4 equivalents, relative to the isocyanate groups of polyisocyanate (A), of polyether alcohols having incorporated polyalkylene oxide units (the equivalents of the polyether alcohol being based on the hydroxyl groups), wherein 40 to 100 mole-% of the polyalkylene oxide units consist of polyethylene oxide units having a sequence length of 5 to 70,(C) optionally, NCO-reactive components other than polyether polyol (B), and(D) ammonium or alkali bisulfites or disulfites.

    摘要翻译： 本发明涉及含有氨基甲酰磺酸盐基团的鞣剂，其通过（A）有机多异氰酸酯反应制备，（B）相对于多异氰酸酯（A）的异氰酸酯基为0.01〜0.4当量，具有掺合聚环氧烷的聚醚醇 单元（聚醚醇基于羟基的当量），其中40-100摩尔％的聚环氧烷单元由序列长度为5-70的聚环氧乙烷单元组成，（C）任选的NCO-反应性 除聚醚多元醇（B）以外的成分，（D）铵或碱式亚硫酸氢盐或亚硫酸氢盐。

    Process for the production of aqueous polyurethane dispersions
    36.
    发明授权
    Process for the production of aqueous polyurethane dispersions 失效
    生产水性聚氨酯分散体的方法

    公开(公告)号：US5025064A

    公开(公告)日：1991-06-18

    申请号：US547273

    申请日：1990-07-03

    申请人： Helmut Reiff ,  Otto Lorenz

    发明人： Helmut Reiff ,  Otto Lorenz

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/32 ,  C08G18/83

    CPC分类号： C08G18/0823 ,  C08G18/833

    摘要： The present invention relates to a process for the production of aqueous dispersions of polyurethanes containing chemically incorporated carboxylate groups wherein the counterions to the carboxylate groups are predominantly ammonium ions corresponding to the formula ##STR1## by mixing a starting aqueous dispersion of polyurethanes containing chemically incorporated carboxylate groups wherein the counterions to the carboxylate groups are ammonium ions corresponding to the formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent C.sub.1-4 alkyl groups, provided that the total number of carbon atoms in these substituents is 3 to 6,with at least an equivalent quantity of ammonia, based on the trialkyl ammonium ions, and subsequently removing under vacuum at least a portion of the displaced trialkyl amines and the excess ammonia, if present.

    摘要翻译： 本发明涉及一种生产含有化学结合的羧酸酯基团的聚氨酯水分散体的方法，其中羧酸根基团的抗衡离子主要是对应于式（II）的铵离子，通过混合起始的含有聚氨酯的水分散体 化学结合的羧酸酯基团，其中与羧酸酯基团的抗衡离子是对应于式（III）的铵离子，其中R 1，R 2和R 3相同或不同并且表示C 1-4烷基，条件是碳的总数 这些取代基中的原子为3至6，至少有等量的氨，基于三烷基铵离子，随后在真空下除去至少一部分置换的三烷基胺和过量的氨（如果存在）。