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61.发明授权
公开(公告)号：US5525683A
公开(公告)日：1996-06-11
申请号：US343292
申请日：1994-11-22
CPC分类号： C08G63/91
摘要： Ether-linked amine-terminated polyesters are produced by reacting (1) a polyester polyol in which substantially all of the hydroxyl groups have been replaced with good leaving groups with (2) an aminoalcohol and/or aminothiol and (3) a deprotonating agent. The aminopolyesters obtained by this process are characterized by excellent reactivities over a wide range of molecular weights and functionalities.
摘要翻译： 醚连接的胺封端的聚酯通过使（1）其中基本上所有的羟基已经被良好的离去基团替换的聚酯多元醇与（2）氨基醇和/或氨基硫醇和（3）去质子化剂反应来制备。 通过该方法获得的氨基多酯的特征在于在宽范围的分子量和功能上具有优异的反应性。
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公开(公告)号：US5428124A
公开(公告)日：1995-06-27
申请号：US247728
申请日：1994-05-23
CPC分类号： C08G18/6795 , C08G18/7818 , C08G18/815 , C08G2120/00
摘要： Storage stable, liquid prepolymers of diphenylmethane diisocyanate containing urea and/or biuret groups are prepared by reacting an aminocrotonate with a mixture of isocyanates having a specified diphenylmethane diisocyanate isomer content. These prepolymers have isocyanate group contents of from about 5 to about 30%.
摘要翻译： 通过使氨基巴豆酸酯与具有特定二苯基甲烷二异氰酸酯异构体含量的异氰酸酯的混合物反应来制备含尿素和/或缩二脲基团的二苯基甲烷二异氰酸酯的储存稳定的液体预聚物。 这些预聚物具有约5至约30％的异氰酸酯基含量。
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公开(公告)号：US5219973A
公开(公告)日：1993-06-15
申请号：US623469
申请日：1990-12-07
申请人： William E. Slack , Mark R. Kratz
发明人： William E. Slack , Mark R. Kratz
CPC分类号： C08G18/6685 , C08G18/5027 , C08G18/6529 , C08G2120/00
摘要： The present invention is directed to a RIM process and an isocyanate reactive composition for use therein. The isocyanate composition includes an amine terminated chain extender and an aromatic amine terminated polyether of the formula: ##STR1## wherein R is an n-valent group obtained by the removal of hydroxyl groups from an n-hydroxy group containing polyhydroxyl compound having a molecular weight of from about 300 to about 12,000,R.sub.1 represents hydrogen or an inert substituent,R.sub.2 represents hydrogen, an amine group, or an inert substituent, andn represents an integer from 2 to 4.
摘要翻译： 本发明涉及用于其中的RIM方法和异氰酸酯反应性组合物。 异氰酸酯组合物包括胺封端的增链剂和下式的芳香胺封端的聚醚：其中R是通过从含有分子量的多羟基化合物的正羟基除去羟基而获得的n价基团 为约300至约12,000，R 1表示氢或惰性取代基，R 2表示氢，胺基或惰性取代基，n表示2至4的整数。
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公开(公告)号：US4910333A
公开(公告)日：1990-03-20
申请号：US057466
申请日：1987-06-03
申请人： William E. Slack
发明人： William E. Slack
IPC分类号： C08G18/80
CPC分类号： C08G18/8035 , C08G2101/00 , C08G2120/00
摘要： The present invention is directed to a process for the production of an isocyanate which is both stable and liquid at 25.degree. C. comprising reacting(i) diphenylmethane diisocyanate,(ii) an organic material containing two or more hydroxy groups, said organic material forming a product solid at 25.degree. C. when reacted with diphenylmethane diisocyanate in an amount such that the resultant solid product would have an isocyanate group content of from 10 to 30% by weight, and(iii) from 1 to 6% by weight, based on the combined weight of (i), (ii) and (iii), of tripropylene glycol, the amounts of components (i), (ii) and (iii) being such that the resultant product has an isocyanate group content of from about 10 to 30% by weight.
摘要翻译： 本发明涉及一种在25℃下稳定和液体的异氰酸酯的制备方法，包括使（ⅰ）二苯基甲烷二异氰酸酯，（ⅱ）含有两个或多个羟基的有机材料，形成 当二苯甲烷二异氰酸酯与二苯基甲烷二异氰酸酯反应时，产物固体含量为使得所得固体产物的异氰酸酯基含量为10至30重量％，和（iii）1至6重量％ （i），（ii）和（iii）的三丙二醇的组合重量，组分（i），（ii）和（iii）的量使得所得产物的异氰酸酯基含量为约 10〜30重量％。
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65.发明授权Process for the production of polyisocyanates containing allophanate groups 失效用于生产含有脲基甲酸酯基团的多异氰酸酯的方法
公开(公告)号：US4810820A
公开(公告)日：1989-03-07
申请号：US84546
申请日：1987-08-12
IPC分类号： C08G18/73 , C07C67/00 , C07C241/00 , C07C263/16 , C07C265/00 , C07C265/04 , C07C273/18 , C07C275/60 , C08G18/78 , C09D175/00 , C07C127/22
CPC分类号： C07C265/10 , C07C265/00 , C07C273/1809 , C08G18/7837
摘要： Aliphatic and/or cycloaliphatic polyisocyanates containing allophanate groups are produced by reacting (a) a di- and/or polyisocyanate with aliphatic and/or cycloaliphatic isocyanate groups with (b) a hydroxy compound at a temperature of at least 150.degree. C. for no more than 90 minutes and then rapidly cooling the reaction mixture to a temperature of less than 100.degree. C. It is preferred that the reaction be carried out in the absence of oxygen. The products thus obtained are virtually colorless, have a relatively low viscosity and excellent storage stability.
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66.发明授权Liquid partially trimerized and allophanized polyisocyanates based on toluene diisocyanate and diphenylmethane diisocyanate 失效基于甲苯二异氰酸酯和二苯基甲烷二异氰酸酯的液体部分三聚和脲基化多异氰酸酯公开(公告)号：US07553963B2
公开(公告)日：2009-06-30
申请号：US10696458
申请日：2003-10-29
IPC分类号： C07D251/34 , C07C273/00 , C07C275/60 , C08G18/79
CPC分类号： C08G18/794 , C08G18/092 , C08G18/10 , C08G18/1825 , C08G18/222 , C08G18/7607 , C08G18/7837 , C08G18/797
摘要： This invention relates to storage-stable, liquid, partially trimerized and allophanized polyisocyanates having an NCO group content of 15 to 41% by weight, and comprising 5 to 85% by weight of toluene diisocyanate, 5 to 85% by weight of a polyisocyanate of the diphenyl-methane series and an organic compound or mixture thereof. The present invention also relates to a process for the preparation of the storage-stable, liquid, partially trimerized and allophanized polyisocyanates; to storage-stable, liquid urethane prepolymers of these partially trimerized and allophanized polyisocyanates; and to a process for the production of these storage-stable, liquid, urethane prepolymers.
摘要翻译： 本发明涉及NCO基团含量为15〜41重量％的储存稳定的，液体的，部分三聚的和脲基化的多异氰酸酯，并且包含5-85重量％的甲苯二异氰酸酯，5-85重量％的多异氰酸酯 二苯基甲烷系列及其有机化合物或其混合物。 本发明还涉及一种制备储存稳定的，液体的，部分三聚的和醛化的多异氰酸酯的方法; 这些部分三聚和异化的多异氰酸酯的储存稳定的液态氨基甲酸酯预聚物; 以及用于生产这些储存稳定的液体氨基甲酸酯预聚物的方法。
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公开(公告)号：US06639040B1
公开(公告)日：2003-10-28
申请号：US10170915
申请日：2002-06-13
IPC分类号： C08G1816
CPC分类号： C08G18/8064 , C07C273/1809 , C08G18/222 , C08G18/7837 , C07C275/60
摘要： This invention relates to a continuous process for the production of allophanate modified diphenylmethane diisocyanates having an NCO group content of 19 to 32% and an urethane content of less than 2 area % by GPC analysis. The process comprises (1) continuously reacting (a) diphenylmethane diisocyanate and (b) an alcohol, in the presence of (c) at least 25 ppm of an allophante catalyst, based on the combined weight of the diphenylmethane diisocyanate and the alcohol, in a reactor in an oxygen-free environment; (2) continuously treating the product exiting the reactor with a catalyst stopper at the reaction temperature; and (3) cooling the resultant product.
摘要翻译： 本发明涉及通过GPC分析制备NCO基团含量为19〜32％，氨基甲酸酯含量小于2面积％的脲基甲酸酯改性二苯基甲烷二异氰酸酯的连续方法。 该方法包括（1）基于二苯基甲烷二异氰酸酯和醇的总重量，在（c）至少25ppm的异氰酸酯催化剂的存在下，使（a）二苯基甲烷二异氰酸酯和（b）醇连续反应， 在无氧环境中的反应器; （2）在反应温度下用催化剂塞子连续处理离开反应器的产物; 和（3）冷却所得产物。
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68.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：US6028158A
公开(公告)日：2000-02-22
申请号：US1843
申请日：1997-12-31
IPC分类号： C08G18/09 , C08G18/16 , C08G18/76 , C08G18/78 , C08G18/00 , C07D251/32 , C07D257/00 , C08G75/00
CPC分类号： C08G18/7837 , C08G18/092 , C08G18/161 , C08G18/7621
摘要： This invention relates to a novel freeze-stable allophanate modified toluene diisocyanurates, and to a process for producing these freeze-stable allophanate-modified toluene diisocyanurates which requires a catalyst which is capable of forming both trimer and allophanate groups, or a catalyst system comprising at least one catalyst capable of forming trimer groups and at least one catalyst capable of forming allophanate groups. This invention also relates to novel freeze-stable blends of the allophanate-modified toluene diisocyanurates with di- and/or polyisocyanates of the diphenylmethane series; and to freeze-stable urethane prepolymers of the allophanate-modified toluene diisocyanurates, or the blends of these with an isocyanate of the diphenylmethane series.
摘要翻译： 本发明涉及一种新型的冷冻稳定的脲基甲酸酯改性的甲苯二异氰脲酸酯，以及制备这种冷冻稳定的脲基甲酸酯改性的甲苯二异氰酸酯的方法，其需要能够形成三聚体和脲基甲酸酯基团的催化剂，或者包含 能够形成三聚体基团的至少一种催化剂和能够形成脲基甲酸酯基团的至少一种催化剂。 本发明还涉及脲基甲酸酯改性的甲苯二异氰脲酸酯与二苯基甲烷系列的二 - 和/或多异氰酸酯的新型冷冻稳定共混物; 以及脲基甲酸酯改性的甲苯二异氰脲酸酯的冷冻稳定的氨基甲酸酯预聚物，或它们与二苯基甲烷系列的异氰酸酯的共混物。
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公开(公告)号：US5955609A
公开(公告)日：1999-09-21
申请号：US2308
申请日：1997-12-31
CPC分类号： C08G18/794 , C07D251/34 , C08G18/10 , C08G18/22 , C08G18/7837 , C08G18/8064 , C08G2105/02
摘要： This invention relates to a novel trimerization catalyst system, and to a process for trimerizing organic polyisocyanates in the presence of thermally active catalyst systems. These catalyst systems comprise (A) compounds selected from the group consisting of (i) lithium salts of aliphatic or aromatic carboxylic acids, (ii) lithium salts of hydroxyl group containing compounds wherein the hydroxyl groups are directed attached to an aromatic ring, and (iii) lithium hydroxide; (B) an allophanate catalyst; and (C) an organic compound which contains at least one hydroxyl group.
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