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    Preparation of high resiliency polyurethane foams
    1.
    发明授权
    Preparation of high resiliency polyurethane foams 失效
    制备高弹性聚氨酯泡沫

    公开(公告)号：US4210728A

    公开(公告)日：1980-07-01

    申请号：US866296

    申请日：1978-01-03

    申请人： John T. Patton, Jr. ,  Robert L. McBrayer

    发明人： John T. Patton, Jr. ,  Robert L. McBrayer

    IPC分类号： C08G18/32 ,  C08G18/65 ,  C08G18/14 ,  C08G18/63

    CPC分类号： C08G18/6529 ,  C08G18/3234 ,  Y10S521/904

    摘要： A reactive polyol composition useful in the preparation of high resilient polyurethane foams comprising a polyol and from 0.5% by weight to 5.0% by weight of a reactive diamine represented by the following formula: ##STR1## wherein R is H or alkyl of 1 to 4 carbon atoms and A and A' are NH.sub.2 or H with the provisos that in each ring either A or A' is NH.sub.2, not both and when A or A' is NH.sub.2 then the R attached to that carbon atom is H.

    摘要翻译： 用于制备高弹性聚氨酯泡沫的反应性多元醇组合物，其包含多元醇和0.5重量％至5.0重量％的由下式表示的反应性二胺：其中R是H或1-4的烷基 A和A'是NH 2或H，条件是在每个环中A或A'都是NH 2，而不是两者，当A或A'是NH 2时，与该碳原子相连的R是H.

    Low-cost surfactant compositions for high resiliency flexible foams
    2.
    发明授权
    Low-cost surfactant compositions for high resiliency flexible foams 失效
    用于高弹性柔性泡沫塑料的低成本表面活性剂组合物

    公开(公告)号：US4347330A

    公开(公告)日：1982-08-31

    申请号：US300048

    申请日：1981-09-08

    申请人： John G. Demou ,  Edward R. Pray ,  Robert L. McBrayer

    发明人： John G. Demou ,  Edward R. Pray ,  Robert L. McBrayer

    IPC分类号： C08G18/40 ,  C08G18/48 ,  C08J9/00 ,  C08G18/14

    CPC分类号： C08J9/0061 ,  C08G18/4009 ,  C08G18/4833 ,  C08G2101/0008 ,  C08G2101/0083 ,  C08J2375/04 ,  C08J2483/00

    摘要： The method for improving cell structure with little or no shrinkage or foam collapse in molded high resilience open celled flexible polyurethane foams prepared by the reaction of an organic polyol having a hydroxyl functionality of at least 2 with an organic polyisocyanate in the presence of a blowing agent. This method comprises incorporating with the reactants three cell modifiers consisting of a polysiloxane-polyoxyalkylene copolymer, a polymethylsiloxane, and a polyether polyol cell modifier containing polyoxyethylene groups in amount of at least about 80 percent by weight of said polyether polyol.

    摘要翻译： 在通过在发泡剂存在下通过羟基官能度至少为2的有机多元醇与有机多异氰酸酯反应制备的模塑高弹性开孔软质聚氨酯泡沫塑料中改善泡孔结构很少或没有收缩或泡沫破裂的方法 。 该方法包括与反应物一起掺入由聚硅氧烷 - 聚氧化烯共聚物，聚甲基硅氧烷和包含聚氧乙烯基团的聚醚多元醇细胞改性剂组成的三种细胞改性剂，其量为所述聚醚多元醇的至少约80重量％。

    Microcellular polyurethane foams
    3.
    发明授权
    Microcellular polyurethane foams 失效
    微孔聚氨酯泡沫

    公开(公告)号：US4220732A

    公开(公告)日：1980-09-02

    申请号：US972641

    申请日：1978-12-22

    申请人： Robert L. McBrayer

    发明人： Robert L. McBrayer

    IPC分类号： C08G18/66 ,  C08G18/14

    CPC分类号： C08G18/6688 ,  C08G2101/0008 ,  C08G2101/0066

    摘要： A method of improving the load-bearing properties of microcellular flexible, urethane foams wherein the processing characteristics for the production thereof are also improved, which comprises utilizing a combination of 1,4-butanediol and phenyldiethanolamine as a chain extender.

    摘要翻译： 一种改善微孔柔性聚氨酯泡沫的承载性的方法，其中还提高了其生产的加工特性，其包括使用1,4-丁二醇和苯基二乙醇胺作为扩链剂的组合。

    Process for reinforced reaction injection molding of polyurethanes
    6.
    发明授权
    Process for reinforced reaction injection molding of polyurethanes 失效
    聚氨酯增强反应注塑成型工艺

    公开(公告)号：US4381352A

    公开(公告)日：1983-04-26

    申请号：US292258

    申请日：1981-08-12

    申请人： Robert L. McBrayer

    发明人： Robert L. McBrayer

    IPC分类号： C08G18/08 ,  C08J9/00 ,  C08G18/14

    CPC分类号： C08J9/0085 ,  C08G18/0838 ,  C08G2120/00 ,  C08J2375/04

    摘要： A reinforced reaction injection molding of polyurethanes is prepared by reacting an organic polyisocyanate, a polyoxyalkylene polyether polyol, a chain extending agent, a catalyst, optionally a blowing agent and glass fibers. The glass fibers form a stabilized dispersion in the polyol by employing as a suspending agent the reaction product of a polyamine and a polyester.

    摘要翻译： 通过使有机多异氰酸酯，聚氧化烯聚醚多元醇，增链剂，催化剂，任选的发泡剂和玻璃纤维反应制备聚氨酯的增强反应注塑。 玻璃纤维通过使用多胺和聚酯的反应产物作为悬浮剂，在多元醇中形成稳定的分散体。

    Process for preparing a microcellular polyurethane foam with improved green strength
    8.
    发明授权
    Process for preparing a microcellular polyurethane foam with improved green strength 失效
    制备具有改善的生坯强度的微孔聚氨酯泡沫的方法

    公开(公告)号：US4388420A

    公开(公告)日：1983-06-14

    申请号：US325793

    申请日：1981-11-30

    申请人： Robert L. McBrayer

    发明人： Robert L. McBrayer

    IPC分类号： C08G18/18 ,  C08G18/66 ,  C08G18/14 ,  C08G18/24

    CPC分类号： C08G18/6688 ,  C08G18/18 ,  C08G2101/0066

    摘要： There is provided a process for preparing a microcellular foam with improved green strength properties comprising the step of reacting an organic polyisocyanate with polyalkylene ether polyol and from 1 to about 35 parts (by weight, per hundred parts of said polyol) of a chain extender in the presence of from about 0.1 to about 10.0 parts (by weight, per hundred parts of said polyol) of a compound selected from the group consisting of: ##STR1## wherein: (a) said polyol has an average functionality of from about 2 to about 8 and an average equivalent weight of from about 1000 to about 2700, and from about 0.8 to about 1.2 equivalents of said polyol are reacted per equivalent of isocyanate;(b) R is a divalent alkylene radical containing from about 1 to about 4 carbon atoms; and(c) R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently selected from the group consisting of hydroxyalkyl containing from about 1 to about 4 carbon atoms and from about 1 to about 2 hydroxyl groups.

    摘要翻译： 提供了一种制备具有改善的生坯强度性能的微孔泡沫的方法，包括使有机多异氰酸酯与聚亚烷基醚多元醇和约1至约35份（重量百份所述多元醇）的扩链剂反应的步骤 其中：（a）所述多元醇的平均官能度为约2至约10至约10重量份，每100份所述多元醇的选自以下的化合物： 每当量的异氰酸酯反应约8，平均当量重量为约1000至约2700，约0.8至约1.2当量的所述多元醇; （b）R是含有约1至约4个碳原子的二价亚烷基; 和（c）R 1，R 2，R 3和R 4独立地选自含有约1至约4个碳原子的羟基烷基和约1至约2个羟基。