Aqueous polyurethane dispersions containing dimer/trimer
    1.
    发明授权
    Aqueous polyurethane dispersions containing dimer/trimer 失效
    含有二聚体/三聚体的水性聚氨酯分散体

    公开(公告)号:US6133399A

    公开(公告)日:2000-10-17

    申请号:US265369

    申请日:1994-06-24

    摘要: The present invention relates to a composition being an aqueous dispersion of a polyurethane in water, said composition comprising water and the reaction product of (a) a water-dispersible isocyanate-terminated polyurethane prepolymer having an NCO content of between 2.1 and 10% by weight, (b) an organic polyisocyanate adduct mixture comprising a polyisocyanate dimer and a polyisocyanate trimer and having an average isocyanate functionality of between 2.1 and 4.0, and (c) an active hydrogen-containing chain extender. Also disclosed is a process for preparing this composition, and a method for coating a substrate with the composition.

    摘要翻译: 本发明涉及一种组合物,其是聚氨酯在水中的水分散体,所述组合物包含水和(a)NCO含量为2.1-10重量%的水分散性异氰酸酯封端的聚氨酯预聚物的反应产物 ,(b)包含多异氰酸酯二聚物和多异氰酸酯三聚体并且具有2.1至4.0的平均异氰酸酯官能度的有机多异氰酸酯加合物混合物,和(c)含活性氢的扩链剂。 还公开了制备该组合物的方法,以及用该组合物涂布基材的方法。

    Thermoset polyurethane elastomers and polyurea elastomers made using
high functionality, low unsaturation level polyols prepared with double
metal cyanide catalysts
    3.
    发明授权
    Thermoset polyurethane elastomers and polyurea elastomers made using high functionality, low unsaturation level polyols prepared with double metal cyanide catalysts 失效
    用双金属氰化物催化剂制备的使用高官能度,低不饱和度的多元醇制成的热固性聚氨酯弹性体和聚脲弹性体

    公开(公告)号:US5116931A

    公开(公告)日:1992-05-26

    申请号:US589842

    申请日:1990-09-28

    IPC分类号: C08G18/10 C08G18/48 C08G65/26

    摘要: This invention relates to a method of fabricating a thermoset elastomer which comprises the steps of: (a) fabricating a polyol having a molecular weight of between about 400 and about 15,000 and having a level of end group unsaturation of not greater than 0.04 milliequivalents per gram of polyol, said polyol being fabricated in the presence of a double metal cyanide catalyst, (b) reacting said polyol with a polyisocynate to produce an isocyanate-terminated prepolymer, and (e) reacting said isocyanate-terminated prepolymer with a chain extender other than ethylene glycol in a mold in order to produce the elastomer. Also claimed is the elastomer produced by the above method utilizing a one-shot technique.

    摘要翻译: 本发明涉及一种制造热固性弹性体的方法,该方法包括以下步骤:(a)制备分子量为约400至约15,000的多元醇,其端基不饱和度不超过0.04毫克/克 所述多元醇在双金属氰化物催化剂的存在下制备,(b)使所述多元醇与聚异氰酸酯反应以产生异氰酸酯封端的预聚物,和(e)使所述异氰酸酯封端的预聚物与除 乙二醇在模具中以产生弹性体。 还要求保护的是通过上述方法利用一次性技术制备的弹性体。

    Polyurethane sealants made using high molecular weight polyols prepared
with double metal cyanide catalysts
    5.
    发明授权
    Polyurethane sealants made using high molecular weight polyols prepared with double metal cyanide catalysts 失效
    使用由双金属氰化物催化剂制备的高分子量多元醇制成的聚氨酯密封剂

    公开(公告)号:US4985491A

    公开(公告)日:1991-01-15

    申请号:US417356

    申请日:1989-10-05

    申请人: John W. Reisch

    发明人: John W. Reisch

    IPC分类号: C08G18/10 C08G18/48 C08G65/26

    摘要: This invention relates to a method of fabricating a polyurethane sealant composition employing a polyether triol having a molecular weight of between about 5,000 and about 30,000 and having a level of end group unsaturation of no greater than 0.04 milliequivalents per gram of triol, wherein the triol is fabricated in the presence of a double metal cyanide catalyst. The triol is reacted, alone or in admixture with a diol, with a polyisocyanate to produce an isocyanate-terminated prepolymer. The prepolymer is then chain-extended to produce the desired sealant.

    摘要翻译: 本发明涉及一种制备聚氨酯密封剂组合物的方法,该聚合物密封剂组合物使用分子量为约5,000至约30,000的聚醚三醇,并且其端基不饱和度不超过每克三醇的0.04毫当量,其中三醇为 在双金属氰化物催化剂存在下制备。 三醇与单体或与二醇混合与多异氰酸酯反应以产生异氰酸酯封端的预聚物。 然后将预聚物链延伸以产生所需的密封剂。

    Acid-catalyzed fabrication of precursors for use in making polyols using
double metal cyanide catalysts
    6.
    发明授权
    Acid-catalyzed fabrication of precursors for use in making polyols using double metal cyanide catalysts 失效
    酸催化制备用于使用双金属氰化物催化剂制备多元醇的前体

    公开(公告)号:US5391722A

    公开(公告)日:1995-02-21

    申请号:US530366

    申请日:1990-03-30

    摘要: The present invention relates to a process for making a polyol which comprises the steps of: (a) fabricating a propoxylated polyhydric initiator by reacting propylene oxide with a polyhydric initiator in the presence of an acid catalyst, said reaction being conducted in the absence of a KOH catalyst, to produce a propoxylated polyhydric initiator containing acid catalyst residue(s) and free of KOH catalyst residue, and (b) reacting said propoxylated polyhydric initiator containing acid catalyst residue(s) with an alkylene oxide in the presence of a double metal cyanide complex catalyst to produce a polyol.

    摘要翻译: 本发明涉及一种制备多元醇的方法,该方法包括以下步骤:(a)在酸催化剂存在下,使环氧丙烷与多羟基引发剂反应制备丙氧基化多羟基引发剂,所述反应在不存在 KOH催化剂,以产生含有酸催化剂残余物并且不含KOH催化剂残余物的丙氧基化多羟基引发剂,和(b)在双金属存在下使含有酸催化剂残基的烷氧基化多元引发剂与烯化氧反应 氰化物配合物催化剂制备多元醇。

    Thermoplastic polyurethane elastomers and polyurea elastomers made using
low unsaturation level polyols prepared with double metal cyanide
catalysts
    7.
    发明授权
    Thermoplastic polyurethane elastomers and polyurea elastomers made using low unsaturation level polyols prepared with double metal cyanide catalysts 失效
    使用由双金属氰化物催化剂制备的低不饱和度多元醇制备的热塑性聚氨酯弹性体和聚脲弹性体

    公开(公告)号:US5185420A

    公开(公告)日:1993-02-09

    申请号:US852430

    申请日:1992-03-16

    摘要: This invention relates to a method of fabricating a thermoplastic elastomer which comprises the steps of: (a) fabricating a polyol having a molecular weight of between about 2,000 and about 8,000 and having a level of end group unsaturation of no greater than 0.02 milliequivalents per gram of polyol, said polyol being fabricated in the presence of a double metal cyanide catalyst, (b) reacting said polyol with a diisocyanate to produce an isocyanate-terminated prepolymer, and (c) reacting said isocyanate-terminated prepolymer with a difunctional isocyanato-reactive chain extender in a mold or in an extruder in order to produce an elastomer characterized by a hardness of between a Shore A hardness of about 50 and a Shore D hardness of about 65. Also claimed is the elastomer produced by the above method utilizing a one-shot technique.

    摘要翻译: 本发明涉及一种制造热塑性弹性体的方法,该方法包括以下步骤:(a)制备分子量为约2,000至约8,000的端基组不饱和度不超过0.02毫克/克的多元醇 所述多元醇在双金属氰化物催化剂的存在下制备,(b)使所述多元醇与二异氰酸酯反应以产生异氰酸酯封端的预聚物,和(c)使所述异氰酸酯封端的预聚物与双官能异氰酸酯基反应性 扩链剂在模具中或在挤出机中以生产特征为硬度为约50的肖氏A硬度和约65的肖氏D硬度之间的硬度的弹性体。还要求保护的是通过上述方法制备的弹性体使用一种 -shot技术。

    Process for removing double metal cyanide catalyst residues from a polyol
    8.
    发明授权
    Process for removing double metal cyanide catalyst residues from a polyol 失效
    从多元醇中除去双金属氰化物催化剂残留物的方法

    公开(公告)号:US5099075A

    公开(公告)日:1992-03-24

    申请号:US608520

    申请日:1990-11-02

    CPC分类号: C08G65/2663 C08G65/30

    摘要: The present invention relates to a process for removing double metal cyanide complex catalyst residue(s) from polyol(s) which comprises after polyol formation the steps of: (a) contacting the catalyst residue-containing polyol with an effective amount of an oxidant to cause said residue(s) to form insoluble residues that are insoluble in the polyol, and (b) separating the insoluble residues from the polyol. In another aspect, the present invention relates to the oxidant-free polyol produced by the above process.

    摘要翻译: 本发明涉及一种从多元醇中除去双金属氰化物配合物催化剂残余物的方法,其包括在多元醇形成之后的步骤:(a)使含有催化剂残余物的多元醇与有效量的氧化剂接触, 导致所述残余物形成不溶于多元醇的不溶性残余物,和(b)从多元醇中分离出不溶性残留物。 另一方面,本发明涉及通过上述方法生产的不含氧化剂的多元醇。

    Low viscosity copolymer polyisocyanates
    9.
    发明授权
    Low viscosity copolymer polyisocyanates 失效
    低粘度共聚物多异氰酸酯

    公开(公告)号:US4772658A

    公开(公告)日:1988-09-20

    申请号:US121185

    申请日:1987-11-16

    IPC分类号: C08G18/70 C08G18/72 C08L35/04

    CPC分类号: C08G18/728 C08G18/708

    摘要: Disclosed are novel polymer/polyisocyanate compositions. The compositions are prepared by the in-situ polymerization of at least one ethylenically unsaturated monomer in an organic polyisocyanate and in the presence of an adduct formed from the reaction of an excess of a carbodiimide-free polyisocyanate and a hydroxyl containing ethylenically unsaturated monomer.The graft polyisocyanates find particular utility in the making of molded polyurethane resins.

    摘要翻译: 公开了新型聚合物/多异氰酸酯组合物。 通过至少一种烯属不饱和单体在有机多异氰酸酯中的原位聚合和在过量的不含碳二亚胺的多异氰酸酯和含羟基的烯属不饱和单体的反应形成的加合物的存在下制备组合物。 接枝聚异氰酸酯在模塑聚氨酯树脂的制造中具有特别的用途。

    Polyurethane elastomers and polyurea elastomers made using high
functionality, low unsaturation level polyols prepared with double
metal cyanide catalysts
    10.
    发明授权
    Polyurethane elastomers and polyurea elastomers made using high functionality, low unsaturation level polyols prepared with double metal cyanide catalysts 失效
    聚氨酯弹性体和聚氨酯弹性体使用高功能,低不饱和水平的多金属制备双金属氰化物催化剂

    公开(公告)号:US5136010A

    公开(公告)日:1992-08-04

    申请号:US603962

    申请日:1990-10-26

    摘要: This invention relates to a method of fabricating an elastomer which comprises the steps of: (a) fabricating a polyol having a molecular weight of between about 400 and about 15,000 and having a level of end group unsaturation of no greater than 0.04 milliequivalents per gram of polyol, said polyol being fabricated in the presence of a double metal cyanide catalyst, (b) reacting said polyol with a polyisocyanate to produce an isocyanate-terminated prepolymer, and (e) reacting said isocyanate-terminated prepolymer with a chain extender in a mold in order to produce the elastomer. Also claimed is the elastomer produced by the above method utilizing a one-shot technique.

    摘要翻译: 本发明涉及一种制造弹性体的方法,其包括以下步骤:(a)制备分子量为约400至约15,000的端基组不饱和度不超过0.04毫当量/克的多元醇 多元醇,所述多元醇在双金属氰化物催化剂的存在下制备,(b)使所述多元醇与多异氰酸酯反应以产生异氰酸酯封端的预聚物,和(e)使异氰酸酯封端的预聚物与扩链剂在模具中反应 以生产弹性体。 还要求保护的是通过上述方法利用一次性技术制备的弹性体。