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73 条记录 (耗时 0.029 秒)

    Mixed anhydrides of isocyanates and carboxylic acids, mixtures thereof with carboxylic acids, and the use thereof as blowing agents for the production of cellular plastics
    53.
    发明授权
    Mixed anhydrides of isocyanates and carboxylic acids, mixtures thereof with carboxylic acids, and the use thereof as blowing agents for the production of cellular plastics 失效
    异氰酸酯和羧酸的混合酸酐，其与羧酸的混合物及其作为泡沫塑料生产发泡剂的用途

    公开(公告)号：US4377644A

    公开(公告)日：1983-03-22

    申请号：US312034

    申请日：1981-10-16

    申请人： Richard Kopp ,  Gerhard Grogler ,  Max Mann

    发明人： Richard Kopp ,  Gerhard Grogler ,  Max Mann

    IPC分类号： C08J9/08 ,  C08G18/14

    CPC分类号： C08J9/08

    摘要： This invention relates to solid reaction products of aliphatic, cycloaliphatic or araliphatic mono- and/or polyisocyanates and organic, weakly acid mono- and/or polycarboxylic acids for the production of cellular plastics articles and particularly polyurethane foams. The products of the present invention may also be in the form of mixtures with carboxylic acids. The products are suitable for the production of cellular or porous plastics articles, but are preferably used in the preparation of cellular thermoplastic polyurethanes and semi-rigid and particularly rigid polyurethane integral skin foams having a compact outer skin formed by foaming the reaction mixture in closed molds.

    摘要翻译： 本发明涉及脂肪族，脂环族或芳脂族单 - 和/或多异氰酸酯和有机，弱酸单 - 和/或多元羧酸的固体反应产物，用于生产细胞塑料制品，特别是聚氨酯泡沫。 本发明的产品也可以是与羧酸的混合物的形式。 该产品适用于生产细胞或多孔塑料制品，但优选用于制备细胞热塑性聚氨酯和半刚性和特别硬的聚氨酯整体皮肤泡沫，其具有通过将闭合模具中的反应混合物发泡而形成的致密外皮 。

    Process for the preparation of polymer precursors containing oxazolin-2-one rings
    54.
    发明授权
    Process for the preparation of polymer precursors containing oxazolin-2-one rings 失效
    制备含恶唑啉-2-酮环的聚合物前体的方法

    公开(公告)号：US4350781A

    公开(公告)日：1982-09-21

    申请号：US286419

    申请日：1981-07-24

    申请人： Werner Rasshofer ,  Gerhard Grogler ,  Holger Meyborg

    发明人： Werner Rasshofer ,  Gerhard Grogler ,  Holger Meyborg

    IPC分类号： C07D263/62 ,  C08G18/10 ,  C08G18/38 ,  C08G18/80 ,  C08G18/32

    CPC分类号： C07D263/62 ,  C08G18/10 ,  C08G18/3844 ,  C08G18/80

    摘要： A polymer precursor containing an oxazolin-2-one ring is made by reacting (a) an amino-reactive group containing compound having at least two groups capable of entering into an addition or condensation reaction with primary or secondary aromatically-bound amino groups with (b) an aromatic amine having at least one primary or secondary aromatically-bound amino group and at least one condensed oxazolin-2-one ring. The reactants are used in quantities such that for each aromatically bound primary or secondary amino group there are from 0.95 to 5 groups present in the amino-reactive group containing compound which are capable of reacting with the amino group. These polymer precursors may be used to produce high molecular weight polymers useful in the production of solid molded products, adhesives, foam plastics and coatings.

    摘要翻译： 含有恶唑啉-2-酮环的聚合物前体是通过使（a）具有至少两个能够与伯或仲芳族结合的氨基进行加成或缩合反应的基团的含氨基反应性基团的化合物与（ b）具有至少一个伯或仲芳族结合的氨基和至少一个稠合的恶唑啉-2-酮的芳族胺。 反应物的用量使得对于每个芳香结合的伯或仲氨基，在含有氨基反应性基团的化合物中存在0.95至5个能够与氨基反应的基团。 这些聚合物前体可用于生产用于生产固体模制产品，粘合剂，泡沫塑料和涂料的高分子量聚合物。

    Process for the production of elastic, optionally cellular, polyurethane ureas
    55.
    发明授权
    Process for the production of elastic, optionally cellular, polyurethane ureas 失效
    用于生产弹性，任选细胞的聚氨酯脲的方法

    公开(公告)号：US4294934A

    公开(公告)日：1981-10-13

    申请号：US164752

    申请日：1980-06-30

    申请人： Gerhard Grogler ,  Jurgen Schwindt ,  Otto Ganster ,  Hans-Joachim Meiners ,  Hans-Dieter Ruprecht

    发明人： Gerhard Grogler ,  Jurgen Schwindt ,  Otto Ganster ,  Hans-Joachim Meiners ,  Hans-Dieter Ruprecht

    IPC分类号： C08G18/00 ,  C08G18/10 ,  C08G18/72 ,  C08G18/76 ,  C08G18/18 ,  C08G18/22

    CPC分类号： C08G18/7671 ,  C08G18/10 ,  C08G2101/0008 ,  C08G2350/00 ,  C08G2380/00 ,  C08G2410/00 ,  Y10S528/906

    摘要： The instant invention is directed to a process for the production of polyurethane urea elastomers having a gross density of more than 200 kg/m.sup.3 comprising: casting a reaction mixture of(A) an isocyanate prepolymer produced from(a) 1 mole of a compound containing at least 2 Zerewitinoff-active hydrogen atoms and having a molecular weight of from 400 to 10,000 and(b) 2 to 10 moles of diisocyanatodiphenylmethane,(B) an aromatic diamine, and(C) 0 to 50 mole percent, based on component (B), of a polyol containing primary hydroxyl groups and having a molecular weight of from 62 to 6000, the equivalent ratio between component (A) and components (B) + (C) amounting to between 0.9:1 and 1.3:1,into a mold, hardening the reaction mixture in the mold and subsequently removing it from the mold, the improvement wherein said isocyanate prepolymer (A) has been produced using an isomer mixture comprising:from 15 to 80 mole percent of 2,4'-diisocyanatodiphenylmethane,from 20 to 85 mole percent of 4,4'-diisocyanatodiphenylmethane, andfrom 0 to 20 mole percent of 2,2'-diisocyanatodiphenylmethane.

    摘要翻译： 本发明涉及生产总密度大于200kg / m 3的聚氨酯脲弹性体的方法，包括：浇铸（A）异氰酸酯预聚物的反应混合物，该异氰酸酯预聚物由（a）1摩尔含有 至少2个Zerewitinoff活性氢原子，分子量为400至10,000，和（b）2至10摩尔二异氰酸二苯基甲烷，（B）芳族二胺和（C）0至50摩尔％，基于组分（ B），含有伯羟基并且分子量为62至6000的多元醇，组分（A）和组分（B）+（C）之间的当量比为0.9:1至1.3:1，转化为 模具，使模具中的反应混合物硬化，随后将其从模具中除去，改进之处在于所述异氰酸酯预聚物（A）已经使用异构体混合物制备，所述异构体混合物包含：15至80摩尔％的2,4'-二异氰酸根合二苯基甲烷， 20至85摩尔％o f 4,4'-二异氰酸二苯基甲烷和0至20摩尔％的2,2'-二异氰酸二苯基甲烷。

    Hydrolysis process for polyamines
    57.
    发明授权
    Hydrolysis process for polyamines 失效
    多胺的水解过程

    公开(公告)号：US5283364A

    公开(公告)日：1994-02-01

    申请号：US4808

    申请日：1993-01-15

    申请人： Werner Rasshofer ,  Klaus Konig ,  Hans-Joachim Meiners ,  Gerhard Grogler

    发明人： Werner Rasshofer ,  Klaus Konig ,  Hans-Joachim Meiners ,  Gerhard Grogler

    IPC分类号： C08G18/10 ,  C08G18/46 ,  C08G18/50 ,  C07C85/00

    CPC分类号： C08G18/5048 ,  C08G18/10 ,  C08G18/4623

    摘要： Polyamines containing primary amino groups are made by hydrolyzing an isocyanate with water in the presence of a solvent which is a carboxylic acid amide. The solvent must be used in a quantity of at least 10% by weight solvent based on 100% by weight of isocyanate. The weight ratio of solvent to water must be from 3 to 200. A homogeneous phase is maintained during the hydrolysis which is carried out at temperatures of from 20.degree. to 210.degree. C. A not incorporable basic and/or metal catalyst particularly alkali metal hydroxides may be employed. The polyamines produced by this process are particularly useful for the production of polyurethanes.

    摘要翻译： 含羧基酰胺的溶剂存在下，通过用水水解异氰酸酯制备含有伯氨基的多胺。 溶剂必须使用至少10重量％的溶剂，基于100重量％的异氰酸酯。 溶剂与水的重量比必须为3至200.在水解期间保持均相，其在20至210℃的温度下进行。不合并的碱性和/或金属催化剂，特别是碱金属氢氧化物 可以被雇用。 通过该方法生产的多胺特别可用于生产聚氨酯。

    Urea group-containing polyisocyanates modified with long chain compounds and a process for their preparation
    58.
    发明授权
    Urea group-containing polyisocyanates modified with long chain compounds and a process for their preparation 失效
    用长链化合物改性的含脲基的多异氰酸酯及其制备方法

    公开(公告)号：US5183876A

    公开(公告)日：1993-02-02

    申请号：US651693

    申请日：1991-02-06

    申请人： Richard Kopp ,  Gerhard Grogler ,  Heinrich Hess

    发明人： Richard Kopp ,  Gerhard Grogler ,  Heinrich Hess

    IPC分类号： C08G18/10 ,  C08G18/78

    CPC分类号： C08G18/7825 ,  C08G18/10

    摘要： The present invention is directed to novel urea group-containing polyisocyanates modified with long chain compounds having molecular weights of 400 to about 10,000. The present invention is also directed to a process for the preparation of modified urea group-containing polyisocyanates by reacting starting polyisocyanates which are free from urea groups with water to form urea groups in an inert reaction medium or in an aqueous mixture containing a dispersion stabilizer, wherein the starting polyisocyanates are mixed or reacted with long chain compounds having molecular weights of 400 to about 10,000 before the reacting the starting polyisocyanates with water and/or the long chain compounds are added to the inert reaction medium and/or to the water.

    摘要翻译： 本发明涉及用分子量为400至10,000的长链化合物改性的新型含脲基的多异氰酸酯。 本发明还涉及通过在惰性反应介质中或含有分散稳定剂的含水混合物中将不含脲基的起始多异氰酸酯与水反应以形成脲基的方法制备含改性脲基的多异氰酸酯的方法， 其中起始多异氰酸酯与分子量为400至约10,000的长链化合物混合或反应，然后将起始多异氰酸酯与水和/或长链化合物反应加入到惰性反应介质和/或水中。

    Process for the production of N,N'-bis-(3-aminophenyl)-ureas
    60.
    发明授权
    Process for the production of N,N'-bis-(3-aminophenyl)-ureas 失效
    制备N，N'-二 - （3-氨基苯基） - 脲的方法

    公开(公告)号：US4994611A

    公开(公告)日：1991-02-19

    申请号：US436393

    申请日：1989-11-14

    申请人： Andreas Ruckes ,  Gerhard Grogler ,  Richard Kopp

    发明人： Andreas Ruckes ,  Gerhard Grogler ,  Richard Kopp

    IPC分类号： C07C273/18 ,  C07C275/40

    CPC分类号： C07C273/1854

    摘要： The present invention is directed to a process for the preparation of N,N'-bis-(3-aminophenyl)-ureas corresponding to formula (I) ##STR1## wherein R represents a linear or branched C.sub.1 -C.sub.6 alkyl group which is in the 2-, 4- and/or 6-position,characterized in that the corresponding phenylene diamines are reacted with urea in a molar ratio of greater than 2:1 in chlorobenzene as solvent.

    摘要翻译： 本发明涉及一种制备对应于式（I）的N，N'-双 - （3-氨基苯基） - 脲的方法，其中R表示直链或支链的C 1 -C 6烷基 其位于2-，4-和/或6-位，其特征在于相应的亚苯基二胺在氯苯作为溶剂中以大于2:1的摩尔比与脲反应。