Process for preparing soft, elastic polyurethane
    11.
    发明授权
    Process for preparing soft, elastic polyurethane 有权
    制备柔软,弹性聚氨酯的方法

    公开(公告)号:US06527995B1

    公开(公告)日:2003-03-04

    申请号:US09610832

    申请日:2000-07-06

    IPC分类号: D04H154

    摘要: A process for producing a thermoplastic polyurethane film by means of sintering a particulate thermoplastic polyurethane in a heated mold, is described. The thermoplastic polyurethane has: (i) a melt index of 20 to 100, measured at 190° C. and under an applied force of 21.2 N; (ii) a relative solution viscosity of 1.15 to 1.45, the relative solution viscosity being determined by, measuring the viscosity (a) of a solution of 0.4 grams of the thermoplastic polyurethane in 99.7 grams N-methyl-2-pyrrolidone containing 0.1% dibutylamine at 25° C., measuring the viscosity (b) of N-methyl-2-pyrrolidone containing 0.1% dibutylamine at 25° C., and dividing viscosity (a) by viscosity (b); and (iii) a Shore hardness of 80 to 98.

    摘要翻译: 描述了通过在加热的模具中烧结颗粒状热塑性聚氨酯来制造热塑性聚氨酯膜的方法。 热塑性聚氨酯具有:(i)在190℃和21.2N的施加力下测量的20至100的熔体指数; (ii)相对溶液粘度为1.15至1.45,相对溶液粘度通过测量在含有0.1%二丁胺的99.7克N-甲基-2-吡咯烷酮中的0.4克热塑性聚氨酯溶液的粘度(a) 在25℃下测量在25℃下含有0.1%二丁胺的N-甲基-2-吡咯烷酮的粘度(b),并将粘度(a)除以粘度(b)。 和(iii)肖氏硬度为80-98。

    Aliphatic, sinterable, thermoplastic polyurethane molding compositions
    13.
    发明授权
    Aliphatic, sinterable, thermoplastic polyurethane molding compositions 失效
    脂肪族,可烧结,热塑性聚氨酯模塑组合物

    公开(公告)号:US06410638B1

    公开(公告)日:2002-06-25

    申请号:US09558910

    申请日:2000-04-26

    IPC分类号: C08J8300

    摘要: A light-stable, sinterable particulate thermoplastic molding composition is described. The thermoplastic compositions of the present invention consist essentially of: (i) a resinous blend of, (a) thermoplastic polyurethane, and (b) a member selected from at least one of a number of recited copolymers, e.g., a styrene-acrylonitrile copolymer; (ii) a UV stabilizer; and (iii) an antioxidant. The thermoplastic polyurethane (a) is prepared from an aliphatic or cycloaliphatic diisocyanate. The molding compositions are suitable for the preparation of textured sintered films, e.g., by the powder-slush process, having improved tactile properties that, for example, may be used in the fabrication of vehicle interior trim components and vehicle air bags.

    摘要翻译: 描述了一种光稳定的,可烧结的颗粒状热塑性模塑组合物。 本发明的热塑性组合物基本上由以下组成:(i)(a)热塑性聚氨酯和(b)选自多种所述共聚物中的至少一种的成员的树脂共混物,例如苯乙烯 - 丙烯腈共聚物 ; (ii)紫外线稳定剂; 和(iii)抗氧化剂。 热塑性聚氨酯(a)由脂族或脂环族二异氰酸酯制备。 模制组合物适用于制备织构化的烧结薄膜,例如通过粉末淤浆工艺,具有改进的触觉性能,例如可用于制造车辆内饰件和车辆气囊。

    THERMOPLASTICALLY PROCESSABLE POLYURETHANES BASED ON SUCCINIC ACID PROPIONATES
    17.
    发明申请
    THERMOPLASTICALLY PROCESSABLE POLYURETHANES BASED ON SUCCINIC ACID PROPIONATES 审中-公开
    基于酸性丙酸酯的热塑性加工性聚氨酯

    公开(公告)号:US20110306734A1

    公开(公告)日:2011-12-15

    申请号:US13116099

    申请日:2011-05-26

    IPC分类号: C08G18/66 C08G18/76 C08G18/75

    摘要: The present invention relates to a thermoplastically processable polyurethane elastomer having a hardness of 50 Shore A to 70 Shore D (ISO 868), which are obtained from reacting components comprising a) one or more linear polyester diols having a functionality from 1.8 to 2.2, wherein the one or more linear polyester diols comprise succinic acid 1,3-propionate and have an average molecular weight from 1,950 to 4,000 g/mol. b) one or more organic diisocyanates, and c) one or more diols having a molecular weight from 60 to 350 g/mol, wherein the components have a molar NCO:OH ratio of from 0.9:1 to 1.1:1.

    摘要翻译: 本发明涉及硬度为50肖氏A至70肖氏D(ISO 868)的热塑性加工性聚氨酯弹性体,其由包含a)一种或多种官能度为1.8至2.2的线性聚酯二醇的反应组分获得,其中 一种或多种线性聚酯二醇包括1,3-丙酸琥珀酸酯,其平均分子量为1,950至4,000g / mol。 b)一种或多种有机二异氰酸酯,和c)分子量为60至350g / mol的一种或多种二醇,其中组分的NCO:HOH摩尔比为0.9:1至1.1:1。

    Aliphatic sinterable thermoplastic polyurethanes and use thereof
    18.
    发明申请
    Aliphatic sinterable thermoplastic polyurethanes and use thereof 审中-公开
    脂肪族可烧结热塑性聚氨酯及其用途

    公开(公告)号:US20060142531A1

    公开(公告)日:2006-06-29

    申请号:US11313419

    申请日:2005-12-21

    IPC分类号: C08G18/00

    摘要: The present invention relates to aliphatic, light-resistant, sinterable, thermoplastic polyurethanes which exhibit improved crease performance, with low fogging, good thermal resistance, agreeable tactile properties and good technical workability. This invention also relates to the preparation of heat-resistant, light resistant moldings and skins and, and to the preparation of skins by the powder-slush process from these thermoplastic polyurethanes.

    摘要翻译: 本发明涉及脂肪族,耐光性,可烧结的热塑性聚氨酯,其具有改善的折痕性能,具有低雾度,良好的耐热性,令人满意的触觉特性和良好的技术加工性。 本发明还涉及耐热,耐光的成型品和表皮的制备,以及由这些热塑性聚氨酯通过粉末淤浆法制备表皮。