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17 条记录 (耗时 0.015 秒)

    Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process
    1.
    发明授权
    Process for the production of new polyisocyanate compositions and their use for the production of plastics by the isocyanate polyaddition process 失效
    用于生产新型多异氰酸酯组合物的方法及其通过异氰酸酯加聚方法生产塑料的用途

    公开(公告)号：US4732960A

    公开(公告)日：1988-03-22

    申请号：US818926

    申请日：1986-01-15

    申请人： Werner Rasshofer ,  Reiner Paul ,  Joachim Probst

    发明人： Werner Rasshofer ,  Reiner Paul ,  Joachim Probst

    IPC分类号： C08G18/00 ,  C08G18/10 ,  C08G18/12 ,  C08G18/62 ,  C08G18/67

    CPC分类号： C08G18/6254 ,  C08G18/10 ,  C08G18/12 ,  C08G18/6229 ,  C08G2101/0008 ,  C08G2101/0016 ,  C08G2101/0025 ,  C08G2101/0033 ,  C08G2101/0066 ,  C08G2120/00

    摘要： The present invention relates to a process for the production of polyisocyanate compositions containing urethane groups and having an isocyanate content of about 0.5 to 45% by weight by the reaction of(a) an organic polyisocyanate or mixtures thereof having an isocyanate content of about 30 to 50% by weight with(b) organic polyhydroxyl compounds using an equivalent ratio of isocyanate groups to hydroxyl groups of at least 1.8:1, characterized in that the polyhydroxyl compounds (b) are based on(b1) polyhydroxypolyacrylates having an average molecular weight, determined by vapor pressure osmometry, of 232 to about 100,000 which optionally contain urethane or ester groups in side chains, and a statistical average of at least one alcoholic hydroxyl group per molecule(b2) optionally in admixture with up to about 250% by weight, based on (b1), of other polyhydroxyl compounds in the molecular weight range of 62 to about 12,000.The invention also relates to the polyisocyanate compositions obtainable by this process and their use as components for the production of polyurethanes or polyurethane ureas.

    摘要翻译： 本发明涉及通过（a）有机多异氰酸酯或其混合物与异氰酸酯含量为约30的反应制备含有氨基甲酸酯基团并具有约0.5至45重量％的异氰酸酯含量的多异氰酸酯组合物的方法， 50重量％与（b）异氰酸酯基与羟基的当量比至少为1.8:1的有机多羟基化合物，其特征在于多羟基化合物（b）基于（b1）具有平均分子量的聚羟基聚丙烯酸酯， 通过蒸汽压力渗透压测定，为232至约100,000，其任选地在侧链中含有氨基甲酸酯或酯基，以及每分子至少一个醇羟基（b2）的统计平均值，任选地与至多约250重量％ 基于（b1）的分子量范围为62至约12,000的其它多羟基化合物。 本发明还涉及通过该方法获得的多异氰酸酯组合物及其作为生产聚氨酯或聚氨酯脲的组分的用途。

    Homogeneous storage stable salt-containing mixture
    2.
    发明授权
    Homogeneous storage stable salt-containing mixture 失效
    均相储存稳定含盐混合物

    公开(公告)号：US4575518A

    公开(公告)日：1986-03-11

    申请号：US682221

    申请日：1984-12-17

    申请人： Werner Rasshofer ,  Reiner Paul

    发明人： Werner Rasshofer ,  Reiner Paul

    IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/66 ,  C08L71/02 ,  C08G18/14

    CPC分类号： C08L71/02 ,  C08G18/6666 ,  C08G2120/00 ,  C08G2130/00 ,  Y10S521/914

    摘要： Homogeneous storable mixtures containing small quantities of salts and having a high mixed hydroxyl number of mixed hydroxyl/amine number are made by mixing (a) a polyoxyalkylene polyol and/or polyolamine and/or polyamine based on an alkyloxirane having a molecular weight of from 400 to 12,000, (b) a low molecular weight polyol which is not completely miscible with (a) and a solution-promoting additive in quantities such that for every 100 parts of (a), from 1 to 200 parts of (b) and from 0.01 to 10 parts of (c) are present. The solution-promoting additives are salts of cations of Groups IA, IIA and IIIA of the Periodic System of Elements or ammonium or mono- to tetra-alkylammonium ions and anions formed by removing at least one proton from an acid having a K.sub.s -value of at least 10.sup.-7. These mixtures are particularly useful in the production of polyurethanes.

    摘要翻译： 通过混合（a）基于分子量为400的烷基环氧乙烷和/或多胺胺和/或多胺的聚氧化烯多元醇和/或多胺来制备含有少量盐并具有高混合羟基/羟基数的混合羟值的均匀的可储存混合物 至（12），（b）与（a）不完全混溶的低分子量多元醇和一种溶液促进添加剂，其数量使得每100份（a），1至200份（b）和 存在0.01〜10份（c）。 溶液促进添加剂是元素周期体系的IA，IIA和IIIA族的阳离子盐，或铵或单烷基铵盐和一至四烷基铵离子，以及通过从具有Ks值的Ks值的酸除去至少一个质子形成的阴离子 至少10-7。 这些混合物在聚氨酯的生产中特别有用。

    Process for the production of optionally cellular moldings
    4.
    发明授权
    Process for the production of optionally cellular moldings 失效
    用于制备任选的细胞模制品的方法

    公开(公告)号：US4608214A

    公开(公告)日：1986-08-26

    申请号：US685187

    申请日：1984-12-21

    申请人： Gerhard Balle ,  Reiner Paul ,  Werner Rasshofer

    发明人： Gerhard Balle ,  Reiner Paul ,  Werner Rasshofer

    IPC分类号： B41J2/01 ,  C08G18/00 ,  C08G18/40 ,  C08G18/63 ,  C08J9/00 ,  C08K5/098 ,  C08L75/00 ,  C09D11/00 ,  C08J9/34 ,  C08G18/14 ,  C08J9/14

    CPC分类号： C08J9/0023 ,  C08G18/4072 ,  C08G18/63 ,  C08K5/098 ,  C08L75/00 ,  C08J2375/04 ,  Y10S264/83 ,  Y10T428/249989

    摘要： The present invention is directed to a process for the production of optionally cellular, polyurethane and/or polyurethane-urea moldings having an impervious skin by reacting in a closed mold a reaction mixture containing(a) at least one organic polyisocyanate,(b) at least one compound which has a molecular weight of about 400 to 12,000 and at least two isocyanate-reactive groups, and(c) optionally at least one compound which has a molecular weight of from 32 to 399 and at least two isocyanate-reactive groups,wherein before the reaction takes place a surface-improving additive (e) is added containing(e1) a liquid and sedimentation-stable polymer dispersion which is produced by the free radical addition polymerization or copolymerization of one or more olefinically unsaturated monomers in a high molecular weight compound having isocyanate-reactive groups of the type mentioned in (b),and optionally(e2) a metal salt of a monocarboxylic acid having at least 8 carbon atoms in the moleculewherein additive (e) is used in a quantity such that about 0.01 to 3 parts by weight of polymer solids of the polymer dispersion (e1) and up to about 2 parts by weight of metal salt (e2) are incorporated per 100 parts of component (b).

    摘要翻译： 本发明涉及通过在封闭模具中反应含有（a）至少一种有机聚异氰酸酯的反应混合物，（b）在 至少一种分子量为约400至12,000和至少两个异氰酸酯反应性基团的化合物，和（c）任选至少一种分子量为32至399的化合物和至少两种异氰酸酯反应性基团， 其中在反应发生之前，添加表面改性添加剂（e），其含有（e1）液体和沉降稳定的聚合物分散体，其通过高分子量的一种或多种烯属不饱和单体的自由基加成聚合或共聚制备 （b）中提到的具有异氰酸酯反应性基团的重量化合物和任选的（e2）在摩尔中具有至少8个碳原子的一元羧酸的金属盐 其中添加剂（e）的使用量使得每100份聚合物分散体（e1）中加入约0.01至3重量份的聚合物分散体（e1）的聚合物固体和至多约2重量份的金属盐（e2） 组分（b）。

    Process for the production of urethane-modified polyisocyanate compositions using a hydantoin having two hydroxyl alkyl substituents
    5.
    发明授权
    Process for the production of urethane-modified polyisocyanate compositions using a hydantoin having two hydroxyl alkyl substituents 失效
    使用具有两个羟基烷基取代基的乙内酰脲生产氨基甲酸酯改性的多异氰酸酯组合物的方法

    公开(公告)号：US4587322A

    公开(公告)日：1986-05-06

    申请号：US698005

    申请日：1985-02-04

    申请人： Werner Rasshofer ,  Reiner Paul

    发明人： Werner Rasshofer ,  Reiner Paul

    IPC分类号： C08G18/00 ,  C08G18/32 ,  C08G18/78 ,  C08G18/79 ,  C08G18/80 ,  C08G18/38

    CPC分类号： C08G18/8058

    摘要： Urethane-modified polyisocyanate compositions are made by reacting (a) an organic polyisocyanate or mixture of polyisocyanates having an NCO-content of from 5 to 45 wt % with (b) a hydantoin having an OH number of from 56 to 596 and containing two alcoholic hydroxyl groups. These reactants are used in quantities such that the NCO:OH equivalent ratio is from 2:1 to 50:1. The preferred polyisocyanates are 4,4'-diisocyanatodiphenylmethane and isomer mixtures thereof. The most preferred hydantoin is 5,5-dimethyl hydantoin. These urethane-modified polyisocyanates are particularly useful in the production of polyisocyanate addition products such as polyurethanes and polyisocyanurates.

    摘要翻译： 聚氨酯改性的多异氰酸酯组合物通过使（a）有机多异氰酸酯或具有5-45重量％的NCO含量的多异氰酸酯混合物与（b）OH值为56至596的乙内酰脲并含有两个酒精 羟基。 这些反应物的用量使得NCO:OH当量比为2:1至50:1。 优选的多异氰酸酯是4,4'-二异氰酸根合二苯基甲烷及其异构体混合物。 最优选的乙内酰脲是5,5-二甲基乙内酰脲。 这些氨基甲酸酯改性的多异氰酸酯特别可用于制备多异氰酸酯加成产物如聚氨酯和聚异氰脲酸酯。

    Process for the production of urethane-modified polyisocyanate using an oxyalkylated bisphenol
    7.
    发明授权
    Process for the production of urethane-modified polyisocyanate using an oxyalkylated bisphenol 失效
    使用烷氧基化双酚制备氨基甲酸酯改性的多异氰酸酯的方法

    公开(公告)号：US4581388A

    公开(公告)日：1986-04-08

    申请号：US689112

    申请日：1985-01-07

    申请人： Werner Rasshofer ,  Richard Kopp ,  Reiner Paul ,  Klaus Seel ,  Otto Ganster

    发明人： Werner Rasshofer ,  Richard Kopp ,  Reiner Paul ,  Klaus Seel ,  Otto Ganster

    IPC分类号： C08G18/00 ,  C08G18/10 ,  C08G18/32 ,  C08G18/48 ,  C08G18/78 ,  C08G18/80 ,  C08G18/14

    CPC分类号： C08G18/8019 ,  C08G18/10 ,  C08G18/4879 ,  C08G2120/00

    摘要： Urethane-modified polyisocyanates having an NCO-content of from 5 to 45 wt. % are made by reacting an organic polyisocyanate or mixture of polyisocyanates having an NCO-content of from 30 to 50 wt. % with an organic polyhydroxyl compound or mixtures of polyhydroxyl compounds. The organic polyhydroxyl compound must include at least 10 hydroxyl equivalent percent of an alkoxylation product of a bisphenol corresponding to a specified formula containing two alcoholic hydroxyl groups and having an OH number of from 112 to 389. The reactants are employed in quantities such that the NCO:OH equivalent ratio is from 2:1 to 50:1. The urethane-modified polyisocyanates of the present invention are particularly useful in the production of polyurethanes by the isocyanate polyaddition process.

    摘要翻译： NCO含量为5〜45重量％的聚氨酯改性多异氰酸酯 通过使NCO含量为30〜50重量％的有机多异氰酸酯或多异氰酸酯的混合物反应， ％的有机多羟基化合物或多羟基化合物的混合物。 有机多羟基化合物必须包含至少10个羟基当量百分比的双酚的烷氧基化产物，该双酚对应于含有两个醇羟基并具有112至389的OH数的规定式。反应物的用量使得NCO ：OH当量比为2：1至50：1。 本发明的氨基甲酸酯改性的多异氰酸酯特别可用于通过异氰酸酯加聚工艺生产聚氨酯。

    Process for the production of molded articles
    8.
    发明授权
    Process for the production of molded articles 失效
    用于生产模制品的方法

    公开(公告)号：US4442236A

    公开(公告)日：1984-04-10

    申请号：US522276

    申请日：1983-08-11

    申请人： Werner Rasshofer ,  Hermann Schafer ,  Reiner Paul ,  Josef Beuth

    发明人： Werner Rasshofer ,  Hermann Schafer ,  Reiner Paul ,  Josef Beuth

    IPC分类号： C08G18/00 ,  C08G18/32 ,  C08J9/02 ,  C08K5/098 ,  C08L75/00 ,  C08G18/14 ,  C08G18/62 ,  C08G18/79 ,  C08G18/22

    CPC分类号： C08K5/098 ,  C08L75/00

    摘要： A process for the production of optionally cellular molded articles with a smooth outer skin and improved surface characteristics by the reaction, inside a closed mold, of a mixture of one or more organic polyisocyanates, one or more compounds having molecular weights of from 400 to 12,000, which contain at least two isocyanate-reactive groups, chain-linking and/or chain-extending agents, and optionally, known auxiliary agents and additives used in polyurethane chemistry, characterized in that before the reaction, surface-improving additives comprising one or more polymers or copolymers of one or more olefinically-unsaturated monomers, which polymers or copolymers have molecular weights of from 200 to 50,000, are liquid at room temperature, soluble in the reaction mixture, and inert toward isocyanate groups and at least one metal salt of a monocarboxylic acid having at least 8 carbon atoms, are incorporated into the reaction mixture.

    摘要翻译： 一种制备具有光滑外皮的任选细胞模制品的方法，并通过反应在封闭的模具内，一种或多种有机多异氰酸酯的混合物，一种或多种分子量为400至12,000的化合物 ，其包含至少两个异氰酸酯反应性基团，链接和/或链增长剂，以及任选的用于聚氨酯化学中的已知助剂和添加剂，其特征在于在反应之前，表面改性添加剂包含一种或多种 一种或多种烯属不饱和单体的聚合物或共聚物，其聚合物或共聚物的分子量为200至50,000，在室温下为液体，可溶于反应混合物，并且对于异氰酸酯基团和至少一种 具有至少8个碳原子的一元羧酸被并入反应混合物中。

    Process for the production of polyurethanes and a storable intermediate product for carrying out this process
    9.
    发明授权
    Process for the production of polyurethanes and a storable intermediate product for carrying out this process 失效
    用于生产聚氨酯的方法和用于实施该方法的可储存的中间产物

    公开(公告)号：US4418159A

    公开(公告)日：1983-11-29

    申请号：US433198

    申请日：1982-10-07

    申请人： Werner Rasshofer ,  Richard Kopp ,  Reiner Paul

    发明人： Werner Rasshofer ,  Richard Kopp ,  Reiner Paul

    IPC分类号： C08G18/00 ,  C08G18/22 ,  C08G18/24 ,  C08G18/14

    CPC分类号： C08G18/242

    摘要： Optionally-foamed polyurethanes are produced by reacting polyisocyanates with organic compounds containing at least two isocyanate-reactive hydrogen atoms and having a molecular weight in the range from 400 to 10,000, in the presence of activators corresponding to the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 may be the same or different and represent C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.6 -C.sub.14 -aryl or C.sub.7 -C.sub.30 -alkaryl,X.sup.1 and X.sup.2 may be the same or different and represent halogen or a radical of the formula --OR.sup.5, --SR.sup.6 or ##STR2## with the proviso that X.sup.1 and X.sup.2 cannot both represent a halogen atom,R.sup.5, R.sup.6 and R.sup.7 may be the same or different and represent a C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.6 -C.sub.14 -aryl or C.sub.7 -C.sub.30 -alkaryl and 1.ltoreq.x.ltoreq.4,and, optionally, in the presence of co-catalysts, blowing agents, chain-extending agents having a molecular weight of from 32 to 400 and other known auxiliaries and additives.

    摘要翻译： 任选发泡的聚氨酯通过使多异氰酸酯与含有至少两个异氰酸酯反应性氢原子并且分子量为400至10,000的有机化合物在对应于通式的活化剂的存在下反应来制备，其中R1， R 2，R 3和R 4可以相同或不同，表示C 1 -C 20烷基，C 5 -C 7 - 环烷基，C 6 -C 14 - 芳基或C 7 -C 30 - 烷芳基，X 1和X 2可以相同或不同，表示卤素或 式 - OR5，-SR6或的基团，条件是X1和X2不能都表示卤素原子，R5，R6和R7可以相同或不同，表示C1-C20烷基，C5- C7-环烷基，C6-C14 - 芳基或C7-C30-烷芳基和1个x = 4，以及任选地，在助催化剂，发泡剂，扩链剂的存在下，分子量为 从32到400和其他已知的助剂和添加剂。