公开(公告)号：US4256849A

公开(公告)日：1981-03-17

申请号：US103636

申请日：1979-12-14

申请人： Jurgen Ick ,  Hans J. Meiners ,  Gunter Oertel ,  Gunter Hauptmann ,  Klaus Konig

发明人： Jurgen Ick ,  Hans J. Meiners ,  Gunter Oertel ,  Gunter Hauptmann ,  Klaus Konig

IPC分类号： C08G18/48 ,  C08G18/58 ,  C08G18/76 ,  C08G18/18 ,  C08G18/20

CPC分类号： C08G18/4841 ,  C08G18/584 ,  C08G18/7607 ,  C08G18/7664 ,  C08G2101/0008 ,  C08G2101/0033 ,  C08G2101/005 ,  C08G2101/0058

摘要： The instant invention is directed to a process for the production of cold setting, flexible foams which contain urethane groups by the reaction of polyethers with a molecular weight of 400 to 10,000 which contain at least two hydroxyl groups and in which at least 10% by weight of the hydroxyl groups are primary hydroxyl groups, with a mixture of diphenyl methane diisocyanates and oligomeric polyphenyl-polymethylene polyisocyanates in the presence of blowing agents and optionally in the presence of catalysts and other foaming aids, the improvement wherein the mixture of diphenyl methane diisocyanates and polyphenyl-polymethylene polyisocyanate mixtures is substantially free of carbodiimide groups, has an isocyanate content greater than 30%, and contains from 60 to 90% by weight of 4,4' diphenyl methane diisocyanate and from 3 to 30% by weight of 2,4' diphenyl methane diisocyanate.

摘要翻译： 本发明涉及一种生产冷定型的柔性泡沫的方法，所述柔性泡沫通过含有至少两个羟基的分子量为400至10,000的聚醚的反应而含有氨基甲酸酯基团，其中至少10重量％ 的羟基是伯羟基，二苯甲烷二异氰酸酯和低聚聚苯基 - 多亚甲基多异氰酸酯的混合物在发泡剂的存在下，任选地在催化剂和其它发泡助剂的存在下，其中二苯甲烷二异氰酸酯和 聚苯基 - 多亚甲基多异氰酸酯混合物基本上不含碳二亚胺基团，异氰酸酯含量大于30％，并且含有60-90％（重量）的4,4'二苯基甲烷二异氰酸酯和3-30％（重量）的2,4 '二苯甲烷二异氰酸酯。

公开(公告)号：US4945120A

公开(公告)日：1990-07-31

申请号：US355943

申请日：1989-05-23

申请人： Richard Kopp ,  Gunter Oertel ,  Eckehard Weigand ,  Rolf Wiedermann

发明人： Richard Kopp ,  Gunter Oertel ,  Eckehard Weigand ,  Rolf Wiedermann

IPC分类号： C08G18/00 ,  C08G18/08 ,  C08G18/32 ,  C08G18/65

CPC分类号： C08G18/6529 ,  C08G18/0895 ,  C08G18/324 ,  Y10S521/904

摘要： The present invention is directed to the production of free-rise polyurethane foams using sterically hindered diamines of the formula (e) ##STR1## and/or ##STR2## in which R.sup.1 and R.sup.2 may be the same or different and represent C.sub.1 -C.sub.4 -alkyl andR.sup.3 and R.sup.4 may again be the same or different and represent H or CH.sub.3, is added to said reaction mixture.

摘要翻译： 本发明涉及使用式（e）的空间位阻二胺和/或其中R 1和R 2可以相同或不同并代表C 1 -C 4烷基的自由基聚氨酯泡沫， 烷基，并且R 3和R 4可以相同或不同，代表H或CH 3，被加入到所述反应混合物中。

公开(公告)号：US4143060A

公开(公告)日：1979-03-06

申请号：US535537

申请日：1974-12-23

申请人： Kuno Wagner ,  Gunter Oertel ,  Hans D. Golitz, deceased ,  Bernd Quiring

发明人： Kuno Wagner ,  Gunter Oertel ,  Hans D. Golitz, deceased ,  Bernd Quiring

IPC分类号： C07F7/10 ,  C07F7/18 ,  C08G18/71 ,  C08G18/80 ,  C07F7/02 ,  C07F7/07

CPC分类号： C08G18/718 ,  C07F7/10 ,  C07F7/1804 ,  C08G18/809

摘要： The instant invention is directed to a process of preparing a silyl substituted urea derivative comprising reacting an isocyanate of the formula ##STR1## wherein R represents a C.sub.1 -C.sub.18 alkyl group, a C.sub.4 -C.sub.14 cycloalkyl group or a phenyl group,R' represents an optionally halogenated or cyano-substituted C.sub.1 -C.sub.10 alkyl, C.sub.4 -C.sub.10 cycloalkyl or C.sub.6 -C.sub.10 aryl group,R" represents a hydrogen atom, a methyl group or a phenyl group,R'" represents a hydrogen atom or an optionally halogenated or cyano-substituted C.sub.1 -C.sub.18 alkyl, C.sub.4 -C.sub.14 cycloalkyl or C.sub.6 -C.sub.14 aryl group,Q' represents a divalent alkyl group containing 4 to 12 carbon atoms or a divalent C.sub.4 -C.sub.14 cycloalkyl, C.sub.7 -C.sub.15 aralkyl, C.sub.6 -C.sub.14 aryl or C.sub.8 alkylaryl group,A = 0 or 1,With a compound of the formula: Q (XH).sub.c, whereinQ represents a c-valent radical derived by the removal of c-XH groups from compounds with a molecular weight of 4000 to 80,000 which contains urea and urethane groups and in addition thereto, contains groups selected from the group consisting of ester groups, ether groups, and carbonate groups,C = 1 to 8 andX represents NH or NY, where Y is a C.sub.1 -C.sub.8 alkyl group, at a temperature of between -20.degree. to 150.degree. C in the presence of a stabilizing amount of a secondary or tertiary alcohol.The products so obtained have excellent storage stability, controlled reactivity and improved properties of cross-linked end products.

公开(公告)号：US3992316A

公开(公告)日：1976-11-16

申请号：US607079

申请日：1975-08-22

申请人： Josef Pedain ,  Marianne Dislich ,  Gunter Oertel ,  Hans-Jurgen Muller

发明人： Josef Pedain ,  Marianne Dislich ,  Gunter Oertel ,  Hans-Jurgen Muller

IPC分类号： C08G18/75 ,  C08G18/80 ,  C08G18/10 ,  C07C119/045

CPC分类号： C08G18/8064 ,  C08G18/755 ,  C08G18/8032

摘要： The amount of unreacted 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethyl-cyclohexane (IPDI) mixed with an adduct of IPDI and a polyhydroxyl compound having two or three hydroxyl groups in a solution thereof in a conventional lacquer solvent is reduced by mixing the solution with from 0.1 to 10 mols monohydric alcohol per mol of unreacted IPDI in the solution to provide a polyisocyanate solution adapted for use in making coating materials such as lacquers.

摘要翻译： 在常规的漆溶剂中，在其溶液中与IPDI的加合物和具有两个或三个羟基的多羟基化合物混合的未反应的1-异氰酸酯基-3,3,5-三甲基-5-异氰酸甲酯 - 环己烷（IPDI）的量为 通过在溶液中将溶液与每摩尔未反应的IPDI与0.1至10摩尔一元醇混合来减少，以提供适用于制备涂料如漆的多异氰酸酯溶液。