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1.发明授权Liquid partially trimerized 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异氰酸酯公开(公告)号：US06515125B1
公开(公告)日：2003-02-04
申请号：US09803261
申请日：2001-03-09
IPC分类号： C07D25134
CPC分类号： C08G18/1825 , C07D251/34 , C08G18/092 , C08G18/7607 , C08G18/795
摘要： This invention relates to storage-stable, liquid, partially trimerized polyisocyanates having an NCO group content of 24 to 40% by weight, and comprising 20 to 88% by weight of toluene diisocyanate and 12 to 80% by weight of a polyisocyanate of the diphenylmethane series. The present invention also relates to a process for the preparation of the storage-stable, liquid, partially trimerized polyisocyanates; to storage-stable, liquid urethane prepolymers of these partially trimerized 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24-40％重量的储存稳定的，液体的，部分三聚的多异氰酸酯，并且包含20至88重量％的甲苯二异氰酸酯和12至80重量％的二苯基甲烷的多异氰酸酯 系列。 本发明还涉及一种制备储存稳定的液体，部分三聚的多异氰酸酯的方法; 这些部分三聚聚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：US5319054A
公开(公告)日：1994-06-07
申请号：US116096
申请日：1993-09-02
IPC分类号： C07C275/60 , C08G18/78 , C08G18/72
CPC分类号： C08G18/7837 , C07C275/60
摘要： The present invention relates to a process for the production of a allophanate-modified MDI which is a storage stable liquid at 25.degree. C. comprising (A) reacting (i) one equivalent of a diisocyanate and (ii) one equivalent of an aliphatic alcohol containing from 1 to about 36 carbon atoms or aromatic alcohol containing from 6 to 18 carbon atoms to form a diurethane of the diisocyanate, (B) reacting the product of (A) with 4,4'-diphenylmethane diisocyanate containing from 2 to 60% by weight 2,4'-MDI and less than 6% by weight of the 2,2'-MDI, in an amount sufficient to provide an allophanate having an isocyanate group content of about 12.0 to 30.0%.
摘要翻译： 本发明涉及一种在25℃下储存稳定液体的脲基甲酸酯改性MDI的制备方法，包括（A）使（ⅰ）1当量的二异氰酸酯和（ⅱ）1当量的脂族醇 含有1至约36个碳原子的芳族醇或含有6至18个碳原子的芳族醇以形成二异氰酸酯的二氨基甲酸酯，（B）使（A）的产物与含有2至60％ 的2,4'-MDI和小于6重量％的2,2'-MDI，其量足以提供异氰酸酯基含量为约12.0至30.0％的脲基甲酸酯。
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3.发明授权Polymeric allophanates of diphenylmethane diisocyanate, perpolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof 失效二苯基甲烷二异氰酸酯的聚合型脲基甲酸酯，这些聚合型脲基甲酸酯的共聚物，以及制备聚合物脲基甲酸酯及其预聚物的方法公开(公告)号：US06991746B2
公开(公告)日：2006-01-31
申请号：US11072762
申请日：2005-03-04
IPC分类号： C07C275/60 , C07C269/02 , C07C271/66 , C07C273/00 , C07C275/62
CPC分类号： C08G18/7837
摘要： The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of 12 to 30%, prepolymers thereof, and processes for the production of these compositions. The prepolymers are stable liquids having NCO group contents of about 10 to about 28%.
摘要翻译： 本发明涉及一种新的高功能MDI。 特别地，本发明涉及基于NCO基团含量为12-30％的二苯基甲烷二异氰酸酯的聚合物脲基甲酸酯，其预聚物，以及这些组合物的制备方法。 预聚物是具有约10至约28％的NCO基团含量的稳定液体。
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公开(公告)号：US6127308A
公开(公告)日：2000-10-03
申请号：US350787
申请日：1999-07-09
IPC分类号： C07D251/34 , C08G18/10 , C08G18/22 , C08G18/78 , C08G18/79 , C08G18/80 , B01J31/02 , B01J31/04 , B01J31/12 , B01J31/26
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.
摘要翻译： 本发明涉及一种新颖的三聚催化剂体系，以及一种在热活性催化剂体系存在下使有机多异氰酸酯三聚的方法。 这些催化剂体系包含（A）选自（i）脂族或芳族羧酸的锂盐的化合物，（ii）羟基与芳环相连的含羟基化合物的锂盐和（ iii）氢氧化锂; （B）脲基甲酸酯催化剂; 和（C）含有至少一个羟基的有机化合物。
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5.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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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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公开(公告)号：US5686042A
公开(公告)日：1997-11-11
申请号：US484618
申请日：1995-06-07
CPC分类号： C08G18/7837 , C08G2120/00 , C08G2125/00
摘要： The present invention relates to a process for the production of molded articles via the reaction injection molding technique. According to the RIM process, a reaction mixture is introduced into a closed mold, allowed to react fully, and removed from the mold. More specifically, these reaction mixtures comprise an isocyanate-reactive material, a chain extender, and a stable, liquid diallophanate modified diphenylmethane diisocyanate (MDI). Two specific processes for the preparation of the suitable diallophanate modified diisocyanate are disclosed. These diallophanate modified isocyanates either have an isocyanate group content from about 12 to 30%, or from about 5 to 29%.
摘要翻译： 本发明涉及通过反应注射成型技术生产模制品的方法。 根据RIM方法，将反应混合物引入封闭的模具中，使其完全反应，并从模具中取出。 更具体地说，这些反应混合物包括异氰酸酯反应性材料，扩链剂和稳定的液体透明质酸改性二苯基甲烷二异氰酸酯（MDI）。 公开了制备合适的二苯乙烯酸改性二异氰酸酯的两个具体方法。 这些环糊精改性的异氰酸酯的异氰酸酯基含量为约12-30％，或约5-29％。
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10.发明授权Polymeric allophanates of diphenylmethane diisocyanate, prepolymers of these polymeric allophanates, and processes for the preparation of the polymeric allophanates and the prepolymers thereof 失效二苯基甲烷二异氰酸酯的聚合型脲基甲酸酯，这些聚合型脲基甲酸酯的预聚物，以及聚合脲基甲酸酯及其预聚物的制备方法公开(公告)号：US06887399B2
公开(公告)日：2005-05-03
申请号：US10238444
申请日：2002-09-09
IPC分类号： C08G18/09 , C08G18/10 , C08G18/76 , C08G18/78 , C07C275/60 , C07C269/02 , C07C271/66 , C07C273/00 , C07C275/62
CPC分类号： C08G18/7837
摘要： The present invention relates to a new high functionality MDI. In particular, this invention relates to polymeric allophanates based on diphenylmethane diisocyanate having an NCO group content of 12 to 30%, prepolymers thereof, and processes for the production of these compositions. The prepolymers are stable liquids having NCO group contents of about 10 to about 28%.
摘要翻译： 本发明涉及一种新的高功能MDI。 特别地，本发明涉及基于NCO基团含量为12-30％的二苯基甲烷二异氰酸酯的聚合物脲基甲酸酯，其预聚物，以及这些组合物的制备方法。 预聚物是具有约10至约28％的NCO基团含量的稳定液体。
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