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公开(公告)号：US5973099A
公开(公告)日：1999-10-26
申请号：US25621
申请日：1998-02-18
CPC分类号： C08G18/4288 , C08G18/088 , C08G18/4018
摘要： This invention relates to a process for preparing optionally reinforced rigid polyurethanes by the reaction, under resin transfer molding conditions at an isocyanate index of 90 to 130, of(a) an organic polyisocyanate, with(b) 15 to 80 percent by weight, based on the total of components (b), (c), and (d), of certain polyester polyols having long-chain fatty acid or fatty alcohol groups, a number average molecular weight of 500 to 3000, and a metal ion content below 100 ppm; and(c) 20 to 85 percent by weight, based on the total of components (b), (c), (d) and (e), of one or more crosslinkers, other than component (b), containing 3 to 8 hydroxyl groups and having a molecular weight of 92 to 1000 and a metal ion content below 100 ppm,(d) 0 to 60 percent by weight, based on the total of components (b), (c), and (d), of an isocyanate-reactive compound, other than a polyester polyol of component (b), having a metal ion content below 100 ppm, selected from (i) an isocyanate-reactive polyol containing 3 to 6 hydroxyl groups and having a number average molecular weight of more than 1000 to 10,000, (ii) an isocyanate-reactive diol having a number average molecular weight of 62 to 10,000, and (iii) mixtures thereof, and(e) 0.05 to 3 parts by weight, based on the total amount of components (b), (c), (d) and (e), of a delayed action catalyst.
摘要翻译： 本发明涉及在（a）有机多异氰酸酯的（a）有机多异氰酸酯的异氰酸酯指数为90〜130的树脂转移成型条件下，通过反应制备任选加强的刚性聚氨酯的方法，（b）15〜80重量％ 对于具有长链脂肪酸或脂肪醇基团的某些聚酯多元醇的组分（b），（c）和（d）的总和，数均分子量为500至3000，金属离子含量低于100 ppm; 和（c）基于组分（b），（c），（d）和（e））的一种或多种除组分（b）以外的含有3至8个的组分（b）的交联剂的总量为20至85重量％ 基于组分（b），（c）和（d）的总和，分子量为92〜1000，金属离子含量低于100ppm，（d）0〜60重量％ 异氰酸酯反应性化合物，除了组分（b）的聚酯多元醇，其金属离子含量低于100ppm，选自（i）含有3至6个羟基并且具有数均分子量的异氰酸酯反应性多元醇 超过1000至10,000，（ii）数均分子量为62至10,000的异氰酸酯反应性二醇，和（iii）其混合物，和（e）基于组分总量的0.05-3重量份 （b），（c），（d）和（e））。
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公开(公告)号：US5668239A
公开(公告)日：1997-09-16
申请号：US657512
申请日：1996-06-04
CPC分类号： C08G18/8038 , C08G18/10 , C08G18/16 , C08G18/758 , C08G18/8032 , C08G2120/00
摘要： This invention relates to a process for the production of polyurethane/urea moldings which exhibit both high flexural modulus and high impact strength. The process comprises reaction injection molding of a reaction mixture in the presence of a catalyst via the one-shot process. The isocyanate component of this invention is a prepolymer of methylenebis(cyclohexyl isocyanate) having an NCO content of 12-27%, an average isocyanate functionality of less than 2.3, a monomer content of greater than about 25% by weight, and containing urethane or urea groups. The isocyanate-reactive blend comprises a high molecular weight polyether polyol and a low molecular weight chain extender, wherein the isocyanate-reactive blend has an OH:NH equivalent ratio of from 1:1 to 15:1. This invention also relates to the polyurethane/urea molded article produced by the above process.
摘要翻译： 本发明涉及生产具有高弯曲模量和高冲击强度的聚氨酯/尿素模塑制品的方法。 该方法包括通过一步法在催化剂存在下反应注射成型反应混合物。 本发明的异氰酸酯组分是NCO含量为12-27％，平均异氰酸酯官能度小于2.3，单体含量大于约25重量％的亚甲基双（环己基异氰酸酯）的预聚物，并含有氨基甲酸酯或 尿素组。 异氰酸酯反应性共混物包含高分子量聚醚多元醇和低分子量扩链剂，其中异氰酸酯反应性共混物的OH:NH当量比为1:1至15:1。 本发明还涉及通过上述方法制备的聚氨酯/尿素模塑制品。
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3.发明授权公开(公告)号：US06586487B1
公开(公告)日：2003-07-01
申请号：US09614612
申请日：2000-07-12
IPC分类号： C08G1828
CPC分类号： C08G18/6688 , C08G2101/0008 , C08G2101/0058 , C08G2101/0083 , C08G2350/00
摘要： A method for making an energy-absorbing foam having a density that is less than about 7 pcf that exhibits excellent strength properties and that is particularly suitable for automobile bumper applications. The invention is also directed to the energy-absorbing foam made with the method.
摘要翻译： 一种制造能量吸收泡沫的方法，所述泡沫的密度小于约7PCF，其表现出优异的强度性能，特别适用于汽车保险杠应用。 本发明还涉及用该方法制成的吸能泡沫。
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公开(公告)号：US5847014A
公开(公告)日：1998-12-08
申请号：US842697
申请日：1997-04-15
IPC分类号： C08G18/16 , C08G18/32 , C08G18/40 , C08G18/48 , C08G18/50 , C08G18/65 , C08G18/66 , C08G18/76 , C08J9/06 , C08K5/5419 , C08L75/08 , C08L75/12 , C08G18/22
CPC分类号： C08G18/6692 , C08G18/4072 , C08G18/4816 , C08G18/6564 , C08K5/5419 , C08G2101/005 , C08G2101/0083 , Y10S521/902
摘要： The present invention is directed to an isocyanate reactive mixture comprising from about 17 to about 85% by weight of one or more non-filled polyether polyols having a hydroxyl functionality of from 1.5 to 3 and molecular weights of from 1,500 to 8,000; from about 12 to about 80% by weight of one or more non-tertiary amine containing polyether polyols having a hydroxyl functionality of from 3 to 8 and a molecular weight of from 150 to 1,000; from about 0 to about 4% by weight of one or more primary or secondary diamines or amino alcohols and from 3 to about 12% by weight of water. The invention is also directed to a water-blown, energy absorbing foams made from the isocyanate reactive mixture.
摘要翻译： 本发明涉及一种异氰酸酯反应性混合物，其包含约17至约85重量％的一种或多种羟基官能度为1.5至3，分子量为1,500至8,000的未填充的聚醚多元醇; 约12至约80重量％的一种或多种羟基官能度为3至8并且分子量为150至1,000的含有非叔胺的聚醚多元醇; 约0至约4重量％的一种或多种伯或仲二胺或氨基醇和3至约12重量％的水。 本发明还涉及由异氰酸酯反应性混合物制成的水吹吸能泡沫。
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公开(公告)号：US5714565A
公开(公告)日：1998-02-03
申请号：US580228
申请日：1995-12-28
申请人： Neil H. Nodelman , David D. Steppan
发明人： Neil H. Nodelman , David D. Steppan
CPC分类号： C08G18/1875 , C08G18/225 , C08G18/6696 , C08G2120/00
摘要： The present invention is directed to a heat resistant product prepared by reacting a) a mixture of i) an organic polyisocyanate, ii) an epoxide group containing compound, and iii), optionally, an organic compound containing an active methylene group and containing at least one electron withdrawing group adjacent to the methylene carbon, and b) at least one polyol which is free of any tertiary amine groups, with the reaction being conducted at an NCO:OH equivalent ratio of from 2:1 to 5:1. The reaction is conducted in the presence of a tertiary amine-free isocyanurate catalyst selected from the group consisting of oxides, alkoxides, hydroxides and carboxylates of alkali metals, alkaline earth metals, transition metals and quaternary ammonium.
摘要翻译： 本发明涉及一种耐热产品，其通过以下步骤制备：a）i）有机多异氰酸酯，ii）含环氧基团的化合物和iii）任选的含有活性亚甲基并至少含有活性亚甲基的有机化合物 一个与亚甲基碳相邻的吸电子基团，和b）至少一种不含任何叔胺基团的多元醇，反应以N 2 O：OH当量比为2:1至5:1进行。 该反应在选自碱金属，碱土金属，过渡金属和季铵的氧化物，醇盐，氢氧化物和羧酸盐的无叔胺的异氰脲酸酯催化剂的存在下进行。
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6.发明授权公开(公告)号：US06258867B1
公开(公告)日：2001-07-10
申请号：US09360378
申请日：1999-07-23
申请人： Neil H. Nodelman , David D. Steppan
发明人： Neil H. Nodelman , David D. Steppan
IPC分类号： C08L7504
CPC分类号： C08G18/482 , C08G2101/0016 , C08G2101/0083 , C08G2120/00 , C08J2205/08 , C08L75/08 , C08L75/04
摘要： A method for making an energy-absorbing foam with polyurethane fillers that produces an energy-absorbing foam with properties that are comparable to a foam made without fillers.
摘要翻译： 一种制造具有聚氨酯填料的能量吸收泡沫的方法，其产生具有与不含填料的泡沫相当的性能的能量吸收泡沫。
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公开(公告)号：US6005016A
公开(公告)日：1999-12-21
申请号：US166977
申请日：1998-10-06
CPC分类号： C08G18/6688 , C08G2101/0025 , C08G2101/0083
摘要： The present invention is directed to a rigid, molded foam produced by reacting: a) one or more organic polyisocyanates, with b) a polyol blend comprising i) 100 parts by weight of a mixture comprising: 1) from 30 to 80 parts by weight of one or more polyethers having hydroxy functionalities of 2 or 3 and molecular weights of from about 1,000 to about 8,000, the polyethers further being characterized as containing no nitrogen atoms and not being filled polyethers, 2) from 10 to 50 parts by weight of one or more adducts of toluene diamine and an alkylene oxide, the adduct having a molecular weight of from about 350 to about 700, 3) from 0 to 15 parts by weight of one or more di- or trialkanol amines, with the amounts of components 1), 2) and 3) totaling 100 parts, and c) from about 0.1 to about 4 parts by weight per 100 parts by weight of component b) of a silicone cell-opening surfactant and d) from 1 to 7 parts by weight of water, and e) from 0.1 to 2 parts by weight of at least one tertiary amine catalyst; wherein the reaction mixture contains no auxiliary blowing agents and wherein the amount of polyisocyanate is such that the isocyanate index is from 95 to 120.
摘要翻译： 本发明涉及一种刚性模制泡沫体，其通过以下方法制备：a）一种或多种有机多异氰酸酯，和b）多元醇共混物，其包含i）100重量份的混合物，其包含：1）30至80重量份 的一种或多种具有2或3的羟基官能团和分子量为约1,000至约8,000的聚醚，所述聚醚还被表征为不含氮原子而不是填充聚醚，2）10至50重量份的一个 或更多的甲苯二胺和环氧烷的加合物，加合物的分子量为约350至约700,3或更多的0至15重量份的一种或多种二烷基醇或三烷醇胺，其组分1 ），2）和3）共计100份，以及c）约100至约4份重量的每100份重量的组分b）的有机硅开孔表面活性剂和d）1至7份重量的 水和e）0.1至2重量份的至少一种Te 催化剂; 其中所述反应混合物不含辅助发泡剂，并且其中所述多异氰酸酯的量使得所述异氰酸酯指数为95至120。
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公开(公告)号：US5739253A
公开(公告)日：1998-04-14
申请号：US657293
申请日：1996-06-04
申请人： Neil H. Nodelman , David D. Steppan
发明人： Neil H. Nodelman , David D. Steppan
CPC分类号： C08G18/8016 , C08G18/10 , C08G18/2865 , C08G18/6674 , C08G18/758 , C08G2120/00
摘要： This invention relates to a process for the production of polyurethane/urea elastomers from a reaction injection molding process of a reaction mixture on the presence of a catalyst via the one-shot process. The isocyanate component of this invention is a prepolymer based on a cycloaliphatic diisocyanate, and having an NCO content of 12-27%, an average isocyanate functionality of less than 2.3, a monomer content of greater than about 25% by weight, and containing urethane or urea groups. The isocyanate-reactive blend comprises a high molecular weight polyether polyol and a low molecular weight chain extender wherein the equivalent ratio of hydroxyl groups to amine groups of the chain extender is from 1:2 to 20:1. This invention also relates to the polyurethane/urea molded article produced by the above process.
摘要翻译： 本发明涉及一种通过反应混合物在催化剂存在下通过一步法制备聚氨酯/脲弹性体的方法。 本发明的异氰酸酯组分是基于脂环族二异氰酸酯的预聚物，其NCO含量为12-27％，平均异氰酸酯官能度小于2.3，单体含量大于约25重量％，并含有氨基甲酸酯 或尿素基团。 异氰酸酯反应性共混物包含高分子量聚醚多元醇和低分子量扩链剂，其中扩链剂的羟基与胺基的当量比为1:2至20:1。 本发明还涉及通过上述方法制备的聚氨酯/尿素模塑制品。
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公开(公告)号：US5710230A
公开(公告)日：1998-01-20
申请号：US657494
申请日：1996-06-04
CPC分类号： C08G18/75 , C08G18/6505 , C08G18/6681 , C08G2120/00
摘要： This invention relates to a process for the production of polyurethane/urea moldings from a reaction injection molding process by processing the reaction mixture consisting of a diisocyanate and an isocyanate-reactive component via the one-shot process at an isocyanate index of about 80 to 130. The diisocyanate is an unmodified cycloaliphatic diisocyanate. The isocyanate-reactive component consists of 1) at least one polyol having functional groups which are hydroxyl groups, amine groups, or mixtures of hydroxyl groups and amine groups such that the equivalent ratio of hydroxyl groups to amine groups is from 0:1 to 1:1, and 2) at least one chain extender which is selected from diols, triols, primary aliphatic amines, secondary aliphatic amines, aminoalcohols and mixtures thereof. The equivalent ratio of hydroxyl groups to amine groups in the chain extender component is from 1:2 to 10:1. A catalyst capable of catalyzing the reaction between isocyanate groups and isocyanate-reactive groups is also present in the reaction mixture.
摘要翻译： 本发明涉及一种通过反应注射成型工艺生产聚氨酯/尿素模塑制品的方法，该方法是通过一步法将异氰酸酯和异氰酸酯反应性组分组成的反应混合物以约80-130的异氰酸酯指数 二异氰酸酯是未改性的脂环族二异氰酸酯。 异氰酸酯反应性组分由1）至少一种具有羟基，胺基或羟基和胺基混合物的官能团的多元醇组成，使得羟基与胺基的当量比为0:1至1 ：1和2）至少一种选自二醇，三醇，伯脂肪族胺，仲脂族胺，氨基醇及其混合物的扩链剂。 扩链剂组分中羟基与胺基的当量比为1:2至10:1。 能够催化异氰酸酯基和异氰酸酯反应性基团之间的反应的催化剂也存在于反应混合物中。
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公开(公告)号：US5502150A
公开(公告)日：1996-03-26
申请号：US267732
申请日：1994-06-29
IPC分类号： B29C45/00 , C08G18/10 , C08G18/16 , C08G18/32 , C08G18/65 , C08G18/66 , C08G18/73 , C08G18/80
CPC分类号： C08G18/8016 , C08G18/161 , C08G18/6511 , C08G18/6535 , C08G18/6688 , C08G18/73 , C08G2120/00
摘要： The present invention is directed to polyurethane moldings produced via the RIM process. These polyurethane moldings have excellent reactivity, demold properties (at a 30s demold), and good elongation and tear strength, and comprise the reaction product of an HDI prepolymer having an NCO content of 5 to 25%, a functionality of less than 2.3, and a monomer content of less than 10%, with an isocyanate-reactive component comprising b1) at least one relatively high molecular weight organic compound containing at least about two isocyanate-reactive hydroxyl groups; b2) at least one relatively low molecular weight organic compound selected from the group consisting of diols, aminoalcohols, and mixtures thereof; and b3) at least one relatively low molecular weight hydroxyl-based crosslinking compound containing no more than one aliphatic amine hydrogen atoms capable of reacting with isocyanate groups; in the presence of at least one catalyst.
摘要翻译： 本发明涉及通过RIM工艺生产的聚氨酯模制品。 这些聚氨酯模制品具有优异的反应性，脱模性（30秒脱模）和良好的伸长率和撕裂强度，并且包含NCO含量为5至25％，官能度小于2.3的HDI预聚物的反应产物，以及 单体含量小于10％，异氰酸酯反应性组分包含b1）至少一种含有至少约两个异氰酸酯反应性羟基的相对高分子量的有机化合物; b2）至少一种选自二醇，氨基醇及其混合物的相对低分子量的有机化合物; 和b3）至少一种相对低分子量的羟基交联化合物，其含有不超过一个能够与异氰酸酯基反应的脂族胺氢原子; 在至少一种催化剂的存在下。
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