Production of polyurethane foams
    3.
    发明授权
    Production of polyurethane foams 失效
    生产聚氨酯泡沫

    公开(公告)号:US6087410A

    公开(公告)日:2000-07-11

    申请号:US154382

    申请日:1998-09-16

    IPC分类号: C08G18/40 C08G18/65 C08G18/48

    摘要: Polyurethane foams are produced by reactinga) organic and/or modified organic diisocyanates and/or polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogen atoms,c) at least one compound containing from three to eight, preferably from three to six, reactive hydrogen atoms andd) low molecular weight chain extenders and/or crosslinkers containing at least two reactive hydrogen atomsin the presence ofe) blowing agentsf) catalysts and, if desired,g) further auxiliaries and additives,wherein (c) are ethylene oxide-rich adducts having an ethylene oxide content of more than 50% by weight and an OH number of from 200 to 800 mg KOH/g and (d) are polyfunctional chain extenders and/or crosslinkers having an OH number of more than 700 mg KOH/g.The polyurethane foam produced by this process can be used as upholstery material.

    摘要翻译: 聚氨酯泡沫是通过使a)有机和/或改性的有机二异氰酸酯和/或多异氰酸酯与b)至少一种含有至少两个反应性氢原子的相对高分子量的化合物反应来制备的,c)至少一种含有3-8个 优选3至6个反应性氢原子和d)在e)发泡剂存在下含有至少两个反应性氢原子的低分子量增链剂和/或交联剂f)催化剂,如果需要,g)其它助剂和添加剂 ,其中(c)是具有大于50重量%的环氧乙烷含量和200-800mg KOH / g的OH值的环氧乙烷富集的加合物,和(d)是具有多官能的增链剂和/或交联剂, OH数超过700 mg KOH / g。 通过该方法生产的聚氨酯泡沫可用作装饰材料。

    Preparation of a homogeneous polyol component which is stable to
separation
    4.
    发明授权
    Preparation of a homogeneous polyol component which is stable to separation 失效
    制备分离稳定的均相多元醇组分

    公开(公告)号:US6063308A

    公开(公告)日:2000-05-16

    申请号:US24787

    申请日:1998-02-17

    IPC分类号: C08G18/66 C09K3/00

    CPC分类号: C08G18/66 C08G2130/00

    摘要: A process for preparing a homogeneous polyol component which is stable to separation and consists of at least one compound of relatively high molecular weight having at least two reactive hydrogen atoms and low-molecular-weight chain extenders and/or crosslinkers and, if desired, of blowing agents, catalysts and other auxiliaries and/or additives comprises the addition to this component of at least one amine and at least one organic and/or modified organic isocyanate; the invention also provides the corresponding polyol component which is stable to separation.The use of this polyol component for preparing PUR, in particular compact or foamed PUR, is also described.

    摘要翻译: 制备均匀多元醇组分的方法,其对分离稳定并由至少一种具有至少两个反应性氢原子的低分子量增链剂和/或交联剂的相对高分子量的化合物组成,并且如果需要, 发泡剂,催化剂和其它助剂和/或添加剂包括向该组分加入至少一种胺和至少一种有机和/或改性的有机异氰酸酯; 本发明还提供了对分离稳定的相应的多元醇组分。 还描述了这种多元醇组分用于制备PUR,特别是致密或泡沫PUR的用途。

    Method for producing polyrethane soft foam materials
    5.
    发明授权
    Method for producing polyrethane soft foam materials 失效
    聚氨酯软泡沫材料的制造方法

    公开(公告)号:US08362099B2

    公开(公告)日:2013-01-29

    申请号:US11574898

    申请日:2005-09-20

    IPC分类号: C08G18/28

    摘要: Process for producing flexible polyurethane foams in particular molded flexible polyurethane foams, by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein the component b) comprises b1a) at least one polyether alcohol having an end block of ethylene oxide units which has been added on by means of DMC catalysis and makes up not more than 10% by weight of the weight of the alkylene oxide added on by means of DMC catalysis, and/or b1b) at least one polyether alcohol comprising a terminal mixture of ethylene oxide and propylene oxide which has been added on by means of DMC catalysis and has an ethylene oxide content in the mixture of at least 25% by weight, and also b2a) at least one polyether alcohol or comprising exclusively propylene oxide units, and/or b2b) at least one graft polyether alcohol.

    摘要翻译: 通过使a)多异氰酸酯与b)具有至少两个对异氰酸酯基团具有反应性的氢原子的化合物来制备柔性聚氨酯泡沫,特别是模制的柔性聚氨酯泡沫的方法,其中组分b)包含b1a)至少一种具有 通过DMC催化加成的环氧乙烷单元的末端嵌段,并且通过DMC催化加成不超过10重量%的加成环氧烷烃的重量,和/或b1b)至少一种聚醚 醇,其包含环氧乙烷和环氧丙烷的末端混合物,其已经通过DMC催化加入并且其混合物中的环氧乙烷含量为至少25重量%,并且还包含至少一种聚醚醇,或者包括至少一种聚醚醇 环氧丙烷单元和/或b2b)至少一种接枝聚醚醇。

    Method for Producing Polyrethane Soft Foam Matrials
    6.
    发明申请
    Method for Producing Polyrethane Soft Foam Matrials 失效
    生产聚氨酯软泡沫材料的方法

    公开(公告)号:US20070219282A1

    公开(公告)日:2007-09-20

    申请号:US11574898

    申请日:2005-09-20

    IPC分类号: C08G18/00

    摘要: Process for producing flexible polyurethane foams in particular molded flexible polyurethane foams, by reacting a) polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups, wherein the component b) or comprises b1a) at least one polyether alcohol having an end block of ethylene oxide units which has been added on by means of DMC catalysis and makes up not more than 10% by weight of the weight of the alkylene oxide added on by means of DMC catalysis, and/or b1b) at least one polyether alcohol comprising a terminal mixture of ethylene oxide and propylene oxide which has been added on by means of DMC catalysis and has a n ethylene oxide content in the mixture of at least 25% by weight, and also b2a) at least one polyether alcohol or comprising exclusively propylene oxide units. and/or b2b) at least one graft polyether alcohol.

    摘要翻译: 通过使a)多异氰酸酯与b)具有至少两个对异氰酸酯基团具有反应性的氢原子的化合物来制备柔性聚氨酯泡沫,特别是模制的柔性聚氨酯泡沫的方法,其中组分b)或包含b1a)至少一种具有 已经通过DMC催化加入的环氧乙烷单元的末端嵌段,并且通过DMC催化加成不超过10重量%的加成的环氧烷烃的重量,和/或b1b)至少一个 聚醚醇,其包含通过DMC催化加入的环氧乙烷和环氧丙烷的末端混合物,并且其混合物中的环氧乙烷含量为至少25重量%,并且还包含至少一种聚醚醇,或包含至少一种聚醚醇 专用环氧丙烷单元。 和/或b2b)至少一种接枝聚醚醇。