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    Hydrophilic polyurethane composition
    2.
    发明授权
    Hydrophilic polyurethane composition 失效
    亲水性聚氨酯组合物

    公开(公告)号：US4810582A

    公开(公告)日：1989-03-07

    申请号：US169936

    申请日：1988-03-18

    申请人： Francis E. Gould ,  Ellen K. Morgan ,  Stephen D. Reduker

    发明人： Francis E. Gould ,  Ellen K. Morgan ,  Stephen D. Reduker

    IPC分类号： A61L27/26 ,  C08G18/66 ,  C08L75/04 ,  G02B1/04 ,  B32B27/00

    CPC分类号： A61L27/26 ,  C08G18/6674 ,  C08L75/04 ,  G02B1/043 ,  Y10T428/31551

    摘要： Water absorptive polyurethane composition, having high mechanical strength, is formed of A. about 25% to about 75% of a hydrophilic polyether polyurethane which is the reaction product of diethylene glycol and a polyoxyethylene glycol having a molecular weight of about 1000 to about 8000 with a polyisocyanate and B. about 75% to about 25% of a hydrophobic polyester polyurethane which is the reaction product of a polyfunctional polyester derived from the condensation of a polyol with a polybasic acid with a polyisocyanate.

    摘要翻译： 具有高机械强度的吸水性聚氨酯组合物由A.形成约25％至约75％的亲水性聚醚聚氨酯，其是二甘醇和分子量为约1000至约8000的聚氧乙烯二醇的反应产物， 聚异氰酸酯和B.约75％至约25％的疏水性聚酯聚氨酯，其是衍生自多元醇与多元酸与多异氰酸酯缩合的多官能聚酯的反应产物。

    Polyurethane polymers characterized by carboxylate groups and hydroxyl groups in the polymer backbone
    5.
    发明授权
    Polyurethane polymers characterized by carboxylate groups and hydroxyl groups in the polymer backbone 失效
    聚氨酯聚合物的特征在于聚合物主链中的羧酸酯基和羟基

    公开(公告)号：US4255550A

    公开(公告)日：1981-03-10

    申请号：US972609

    申请日：1978-12-22

    申请人： Francis E. Gould

    发明人： Francis E. Gould

    IPC分类号： C08G18/08 ,  C08G18/32 ,  C08G18/34 ,  C08G18/42

    CPC分类号： C08G18/0823 ,  C08G18/3203 ,  C08G18/348

    摘要： Water insoluble polyurethane polyether polymers that are soluble in ethanol at pH 11 characterized by a molecular weight above 6,000 and having carboxylate groups and hydroxyl groups in the polymer backbone are prepared by reacting a mixture of polyols, a polyfunctional lactone and a polyfunctional isocyanate proportioned so as to provide the desired polymer properties. The polymer so prepared contains lactone groups and hydroxyl groups in the polymer backbone. The lactone ring is opened by treating the polymer with an alkaline aqueous solution of a water miscible organic solvent to produce a water insoluble polyurethane polyether resin containing carboxylate groups and hydroxyl groups in the polymer backbone. The carboxylate groups may be in the form of a carboxylic acid group or its alkali metal or quaternary ammonium salt. The product is soluble in mixtures of water with a water miscible organic solvent and may be used in the preparation of surgical drapes and burn dressings.

    摘要翻译： 通过将多元醇，多官能内酯和多官能异氰酸酯的混合物反应，使其分子量高于6,000，并且在聚合物主链中具有羧酸酯基和羟基，可溶于乙醇的pH为11的水不溶性聚氨酯聚醚聚合物 以提供所需的聚合物性质。 如此制备的聚合物在聚合物主链中含有内酯基团和羟基。 通过用水混溶性有机溶剂的碱性水溶液处理聚合物来打开内酯环，以在聚合物主链中产生含有羧酸酯基和羟基的水不溶性聚氨酯聚醚树脂。 羧酸酯基团可以是羧酸基团或其碱金属或季铵盐的形式。 该产品可溶于水与水混溶性有机溶剂的混合物中，可用于制备手术盖和烧伤敷料。

    Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone
    9.
    发明授权
    Polyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backbone 失效
    聚氨酯聚合物以聚合物主链中的内酯基团和羟基为特征

    公开(公告)号：US4156066A

    公开(公告)日：1979-05-22

    申请号：US809260

    申请日：1977-06-23

    申请人： Francis E. Gould

    发明人： Francis E. Gould

    IPC分类号： A61L27/00 ,  A61F6/14 ,  A61K8/72 ,  A61K8/73 ,  A61K8/85 ,  A61K9/00 ,  A61K9/70 ,  A61K47/34 ,  A61L15/16 ,  A61L17/00 ,  A61L29/00 ,  A61L31/00 ,  A61Q9/04 ,  C08G18/00 ,  C08G18/08 ,  C08G18/32 ,  C08G18/34 ,  C08G18/65 ,  C08G18/66 ,  C08J5/00 ,  C09D175/00 ,  G02C1/00 ,  G02C7/04

    CPC分类号： C08G18/348 ,  C08G18/0823 ,  C08G18/3203 ,  C08G18/667 ,  Y10S528/904 ,  Y10S602/904 ,  Y10T428/31591 ,  Y10T428/31601

    摘要： Polyurethane polymers characterized by a molecular weight above 6,000 and having lactone groups and hydroxyl groups in the polymer backbone are prepared by reacting a mixture of polyglycols proportioned so as to provide the desired polymer properties, a polyfunctional lactone and a polyfunctional isocyanate. The product is soluble in alkaline solutions and may be used for light sensitive photographic layers on films, paper or glass; in drug delivery systems, as burn dressings, in body implants such as vascular prosthesis, and in the manufacture of catheters. The novel polymers also find use in the manufacture of artificial finger nails, finger cots, adhesives, and in protective and hydrostatic drag resistant coatings. The water absorptivity of the polyurethane lactone polymers is above 10%, preferably above 20%, and these polymers may range to completely gel-like high water absorptive polymers. The polymers of the present invention can provide a leachable substrate wherein the leaching agent may be water, gases, alcohols, esters and body fluids, e.g., animal or human.

    摘要翻译： 聚合物主链中分子量高于6000并具有内酯基团和羟基的聚氨酯聚合物通过使成比例的聚二醇混合物反应以提供所需的聚合物性质，多官能内酯和多官能异氰酸酯来制备。 该产品可溶于碱性溶液，可用于薄膜，纸张或玻璃上的感光照相层; 在药物递送系统中，作为烧伤敷料，体内植入物例如血管假体，以及制造导管。 新型聚合物也可用于制造人造指甲，手指套，粘合剂，以及保护和静电阻力涂层。 聚氨酯内酯聚合物的吸水率高于10％，优选高于20％，这些聚合物可以是完全凝胶状的高吸水性聚合物。 本发明的聚合物可以提供可浸出的底物，其中浸出剂可以是水，气体，醇，酯和体液，例如动物或人。

    Hydrophilic polymer coating for underwater structures
    10.
    发明授权
    Hydrophilic polymer coating for underwater structures 失效
    用于水下结构的亲水聚合物涂层

    公开(公告)号：US3990381A

    公开(公告)日：1976-11-09

    申请号：US510125

    申请日：1974-09-27

    申请人： Thomas H. Shepherd ,  Francis E. Gould

    发明人： Thomas H. Shepherd ,  Francis E. Gould

    IPC分类号： B63B1/34 ,  B63B59/04 ,  C09D5/16 ,  C09D101/08 ,  C09D101/12 ,  C03C17/00

    CPC分类号： C09D101/08 ,  B63B1/34 ,  B63B59/04 ,  C09D101/12 ,  C09D5/1656 ,  Y02T70/121 ,  Y02T70/123

    摘要： Hydrophilic polymers, i.e., hydrophilic cellulose esters, hydrophilic cellulose ethers, hydrophilic polyurethanes, hydrophilic vinyl lower alkyl ether polymers, vinyl alcohol group containing polymers, partially hydrolized polyacrylonitrite, ethylene-maleic anhydride copolymer, stryene-maleic anhydride copolymer, proteins, high molecular weight polyalkylene oxides or phenoxy resins, having encapsulated therein either or both anti-fouling agents or pigments is applied as a coating to underwater portions of a marine structure so as to reduce the drag of said structure.

    摘要翻译： 亲水聚合物，即亲水性纤维素酯，亲水性纤维素醚，亲水性聚氨酯，亲水性乙烯基低级烷基醚聚合物，含乙烯基醇基聚合物，部分水解聚丙烯亚硝酸盐，乙烯 - 马来酸酐共聚物，烯丙基 - 马来酸酐共聚物，蛋白质，高分子量 将包封在其中的任何一种或两种防污剂或颜料的聚环氧烷或苯氧基树脂作为涂层施加到海洋结构的水下部分，以减少所述结构的阻力。