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公开(公告)号：US5925781A
公开(公告)日：1999-07-20
申请号：US963537
申请日：1997-11-03
IPC分类号： C08G18/10 , C07C261/02
CPC分类号： C08G18/10
摘要： This invention relates to novel liquid, homogeneous toluene diisocyanate/polyether/polymethylene poly(phenylisocyanate) prepolymers having an NCO content of from about 2 to 16%, a viscosity or about 10,000 mPa.s or less at room temperature, and which contains about 1.0% or less of free monomeric TDI. This invention also relates to a process for the preparation of these liquid, homogeneous toluene diisocyanate/polyether/-polymethylene poly(phenylisocyanate) prepolymers.
摘要翻译： 本发明涉及在室温下NCO含量为约2至16％，粘度或约10,000mPa.s或更低的新的液体均匀的甲苯二异氰酸酯/聚醚/聚亚甲基多（苯基异氰酸酯）预聚物，其含有约1.0 ％或更少的游离单体TDI。 本发明还涉及一种制备这些液体均相甲苯二异氰酸酯/聚醚/聚亚甲基多异氰酸苯酯预聚物的方法。
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公开(公告)号：US5817734A
公开(公告)日：1998-10-06
申请号：US963179
申请日：1997-11-03
CPC分类号： C08G18/7621 , C08G18/10 , C08G18/4825
摘要： This invention relates to novel liquid toluene diisocyanate/polyether/polymethylene poly(phenylisocyanate) prepolymers having an NCO content of from about 2 to 20%, a viscosity or about 10,000 mPa.s or less at 25.degree. C., and which contains about 1.0% or less of monomeric TDI. This invention also relates to a process for the preparation of these liquid toluene diisocyanate/polyether/polymethylene poly(phenylisocyanate) prepolymers.
摘要翻译： 本发明涉及NCO含量为约2至20％，在25℃时粘度或约10,000mPa.s或更低的新型液体甲苯二异氰酸酯/聚醚/多亚甲基聚（苯基异氰酸酯）预聚物，其含有约1.0 ％以下的单体TDI。 本发明还涉及制备这些液体甲苯二异氰酸酯/聚醚/聚亚甲基多（异氰酸苯酯）预聚物的方法。
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23.发明授权Non-sagging, light stable polyurethane compositions, a process for producing them, and their use as seam sealants 失效非流挂，轻质聚氨酯组合物，其制备方法及其作为缝隙密封剂的用途
公开(公告)号：US5770673A
公开(公告)日：1998-06-23
申请号：US630660
申请日：1996-04-10
CPC分类号： C08G18/792 , C08G18/2865 , C08G18/6681 , C08G2190/00
摘要： The present invention relates to non-sagging, light stable polyurethane compositions. These non-sagging, light stable polyurethane compositions are the reaction product of a liquid hexamethylene diisocyanate adduct with a mixture of an organic compound containing hydroxyl groups, an aliphatic and/or alicyclic diamine, and an alkanolamine. It also relates to a process for producing these non-sagging, light stable compositions, and their use as seam sealants.
摘要翻译： 本发明涉及非流挂，轻质聚氨酯组合物。 这些不流挂的轻质聚氨酯组合物是液体六亚甲基二异氰酸酯加合物与含羟基的有机化合物，脂族和/或脂环族二胺和链烷醇胺的混合物的反应产物。 它还涉及一种用于生产这些非流挂，轻质组合物的方法及其作为缝隙密封剂的用途。
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公开(公告)号：US5346981A
公开(公告)日：1994-09-13
申请号：US3755
申请日：1993-01-13
CPC分类号： C08G18/75 , A61L29/06 , C08G18/381 , C08G18/6633
摘要： This invention relates to radiopaque polyurethane compositions that are reaction products of(a) cycloaliphatic diisocyanates;(b) at least one polyester, polycarbonate, and/or polyester carbonate diol having a molecular weight of from about 1000 to about 6000;(c) an isocyanate-reactive bromine-containing aromatic chain extender; and(d) optionally, a catalyst;wherein the quantity of component (c) is such that the amount of bromine in the polyurethane composition is from 10 to 35% by weight, and wherein the components are reacted at an isocyanate index of from 0.95 to 1.2.
摘要翻译： 本发明涉及作为（a）脂环族二异氰酸酯的反应产物的不透射线的聚氨酯组合物; （b）分子量为约1000至约6000的至少一种聚酯，聚碳酸酯和/或聚酯碳酸酯二醇; （c）异氰酸酯反应性含溴芳族增链剂; 和（d）任选的催化剂; 其中组分（c）的量使得聚氨酯组合物中的溴的量为10至35重量％，并且其中组分以0.95至1.2的异氰酸酯指数反应。
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25.发明授权Process for preparing and optionally chain extending aqueous polyisocyanate dispersions using static mixers 失效使用静态混合器制备和选择性链延长水性聚异氰酸酯分散体的方法
公开(公告)号：US5221710A
公开(公告)日：1993-06-22
申请号：US677002
申请日：1991-03-28
CPC分类号： C08G18/0804 , C08G18/0866 , C08G18/5042 , C08G18/706 , C08G18/8038 , C08G18/8041
摘要： The present invention is directed to a process for preparing an aqueous polyisocyanate dispersion which has an isocyanate content of at least 0.5% by weight bya) introducing an aqueous medium into a static mixer,b) introducing a polyisocyanate into the static mixer,c) mixing the polyisocyanate with the aqueous medium in the static mixer andd) withdrawing the aqueous polyisocyanate dispersion from the outlet of the static mixer,e) introducing the aqueous polyisocyanate dispersion into the inlet of a second static mixer,f) introducing into the same of a different inlet of the second static mixer a chain extender containing at least a primary or secondary hydroxy monoamine and/or a polyamine having primary and/or a polyamine having primary and/or secondary amino groupsg) mixing the chain extender with the aqueous polyisocyanate dispersion in the second static mixer,h) withdrawing the reacting mixture of the aqueous polyisocyanate dispersion and the chain extender from the outlet of the second static mixer andi) allowing the polyisocyanate and chain extender to react to form the aqueous modified polyisocyanate dispersion.
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26.发明授权Aqueously dispersed blends of epoxy resins and blocked urethane prepolymers 失效环氧树脂和封闭的聚氨酯预聚物的均匀分散的共混物
公开(公告)号：US5034435A
公开(公告)日：1991-07-23
申请号：US542276
申请日：1990-06-22
CPC分类号： C08G18/10 , C08G18/0823 , C08G18/0866 , C08G18/283 , C08L63/00 , C08L75/04 , C08G2190/00
摘要： The present invention is directed to an aqueously dispersed, ambient temperature curable composition containing(a) an epoxy resin which is rendered water-dispersible by chemically incorporated emulsifiers and/or by being admixed with external emulsifiers and(b) an isocyanate-terminated prepolymer(i) which is rendered water-dispersible by chemically incorporated emulsifiers and/or by being admixed with external emulsifiers,(ii) which is prepared from a mixture containing a polyisocyanate and a compound having a molecular weight of at least 500 and at least two hydroxyl groups and(iii) wherein the isocyanate groups are blocked with a phenolic compound.The present invention is also directed to a process for preparing polyurethanes by reacting the above blends with polyamines at ambient or elevated temperature and to the polyurethanes produced therefrom.
摘要翻译： 本发明涉及一种高分散的环境温度可固化组合物，其包含（a）环氧树脂，其通过化学结合的乳化剂和/或通过与外部乳化剂和（b）异氰酸酯封端的预聚物（ i），其通过化学掺入的乳化剂和/或通过与外部乳化剂混合使其分散水，（ii）其由含有多异氰酸酯和分子量为至少500的化合物和至少两个羟基的混合物制备 基团和（iii）其中异氰酸酯基团被酚类化合物封闭。 本发明还涉及通过在室温或高温下使上述共混物与多胺反应制备聚氨酯的方法和由其制备的聚氨酯。
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公开(公告)号：US4788262A
公开(公告)日：1988-11-29
申请号：US938909
申请日：1986-12-08
CPC分类号： C08G18/792 , C08G18/4208 , C08G18/725 , C08G18/7831 , Y10S524/901
摘要： The present invention is directed to polyisocyanates which have improved compatibility with polyester coreactants and improved solubility in apolar solvents, the polyisocyanates containing, based on solids,(a) about 15 to 85 wt. % of an isocyanurate group-containing polyisocyanate based on hexamethylene diisocynate and(b) about 15 to 85 wt. % of a biuret group-containing polyisocyanate based on hexamethylene diisocyanate.The present invention is additionally directed to two-component polyurethane coating compositions based on the above polyisocyanates and branched polyester polyols. Finally, the present invention is directed to a process for preparing the polyisocyanate.
摘要翻译： 本发明涉及具有改善的与聚酯共反应物的相容性和改善在非极性溶剂中的溶解度的多异氰酸酯，多异氰酸酯基于固体含有（a）约15至85wt。 ％的基于六亚甲基二异氰酸酯的含异氰脲酸酯基的多异氰酸酯和（b）约15至85重量％ ％的基于六亚甲基二异氰酸酯的含缩二脲基团的多异氰酸酯。 本发明另外涉及基于上述多异氰酸酯和支链聚酯多元醇的双组分聚氨酯涂料组合物。 最后，本发明涉及一种制备多异氰酸酯的方法。
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公开(公告)号：US4501852A
公开(公告)日：1985-02-26
申请号：US505600
申请日：1983-06-20
IPC分类号： C08G18/00 , C08G18/08 , C08G18/10 , C08G18/12 , C08G18/28 , C08G18/44 , C08G18/50 , C08G18/72 , C08G18/78 , C08G18/80 , C08G18/84 , C09D175/00 , C09D175/04 , C08L75/12
CPC分类号： C08G18/84 , C08G18/0819 , C08G18/10 , C08G18/12 , C08G18/2805 , C08G18/5042 , C08G18/721 , C08G18/7818 , C08G18/8064
摘要： The present invention relates to a stable, aqueous dispersion of polyurethane-ureas wherein said polyurethane-ureas contain(i) about 10 to 120 milliequivalents per 100 grams of polyurethane-urea of chemically incorporated anionic groups, and(ii) up to about 10% by weight, based on the weight of the polyurethane-urea, of lateral and/or terminal hydrophilic chains containing ethylene oxide units,wherein the counterions of the anionic groups are a mixture of volatile and non-volatile cations in an equivalent ratio of about 1:4 to 4:1.The present invention is also directed to the coatings and films prepared from these dispersions.
摘要翻译： 本发明涉及一种稳定的聚氨酯 - 脲的水分散体，其中所述聚氨酯 - 脲包含（i）每100克化学掺入的阴离子基团的聚氨酯 - 尿素约10至120毫当量，和（ii）至多约10％ 重量，基于聚氨酯 - 脲的重量，含有环氧乙烷单元的侧面和/或末端亲水链，其中阴离子基团的抗衡离子是挥发性和非挥发性阳离子的混合物，其当量比为约1 ：4到4：1。 本发明还涉及由这些分散体制备的涂料和薄膜。
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29.发明授权Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites 失效具有可调混合粘度的聚氨酯形成组合物，由其制备的土工织物复合材料和用于生产这种复合材料的方法公开(公告)号：US06632875B2
公开(公告)日：2003-10-14
申请号：US09809671
申请日：2001-03-15
申请人： Peter H. Markusch , Ralf Guether
发明人： Peter H. Markusch , Ralf Guether
IPC分类号： C08J300
CPC分类号： E02B3/12 , C08G18/3212 , C08G18/3215 , C08G18/482 , C08G18/6685 , Y10T428/31551
摘要： A polyurethane-forming reaction mixture characterized by its ability to be adjusted with respect to its viscosity in response to changing temperature and humidity conditions is achieved with a mixture that includes a liquid polyisocyanate having an isocyanate group content of at least 10% by weight, an isocyanate-reactive component which includes at least one high molecular weight polyol, a urethane catalyst and from 0.2 to 5 parts by weight per 100 parts by weight of isocyanate reactive component of a viscosity adjusting component. The viscosity adjusting component is preferably a diamine, a polyamine and/or an amine-terminated polyol. This reaction mixture is particularly useful for producing polyurethane geotextile composite materials useful as liners for ditches and canals.
摘要翻译： 一种聚氨酯形成反应混合物的特征在于其响应于温度和湿度条件变化而相对于其粘度进行调节的能力是通过包括异氰酸酯基含量为至少10重量％的液体多异氰酸酯， 异氰酸酯反应性组分，其包含至少一种高分子量多元醇，氨基甲酸酯催化剂和0.2至5重量份/ 100重量份的粘度调节组分的异氰酸酯反应性组分。 粘度调节组分优选为二胺，多胺和/或胺封端的多元醇。 该反应混合物特别适用于生产用作沟渠和沟渠衬里的聚氨酯土工织物复合材料。
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公开(公告)号：US06617412B2
公开(公告)日：2003-09-09
申请号：US09976610
申请日：2001-10-12
申请人： Peter H. Markusch , Robert L. Cline
发明人： Peter H. Markusch , Robert L. Cline
IPC分类号： C08G1840
CPC分类号： C08G18/3206 , C05G3/0023 , C05G3/0029 , C08G18/48
摘要： This invention relates to fertilizer encapsulation with polyurethanes wherein the isocyanate-reactive composition contains sulfur. The process of the present invention comprises applying a polyisocyanate composition to fertilizer particles, applying an isocyanate-reactive composition which contains sulfur to the polyisocyanate coated fertilizer particles, or applying an isocyanate-reactive composition which contains sulfur to fertilizer particles and then applying a polyisocyanate composition to the isocyanate-reactive coated fertilizer particles, and repeating these steps as necessary to form sulfur containing polyurethane encapsulated fertilizer particles.
摘要翻译： 本发明涉及具有聚氨酯的肥料封装，其中异氰酸酯反应性组合物含有硫。 本发明的方法包括将多异氰酸酯组合物施加到肥料颗粒上，将含有硫的异氰酸酯反应性组合物施加到多异氰酸酯涂覆的肥料颗粒上，或将含有硫的异氰酸酯反应性组合物施用于肥料颗粒，然后施加多异氰酸酯组合物 涉及异氰酸酯反应性包被的肥料颗粒，并根据需要重复这些步骤以形成含硫聚氨酯包封的肥料颗粒。
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