-
1.发明授权Preparation of low-odor-storage-stable monomer-containing polyisocyanurates based on isophorone diisocyante 有权基于异佛尔酮二异氰酸酯制备低气味储存稳定的含单体的聚异氰脲酸酯公开(公告)号：US06703471B2
公开(公告)日：2004-03-09
申请号：US10180016
申请日：2002-06-27
IPC分类号： C08G1820
CPC分类号： C07D251/34 , C08G18/022 , C08G18/1825
摘要： Low-odor, storage-stable monomer-containing polyisocyanurate is prepared from isophorone diisocyanate by conducting a partial trimerization for 3 minutes to 3 hours in the presence of 0.05-2% by weight of a catalyst, based on the weight of the diisocyanate, the catalyst having the formula [R—NX3]m⊕mY⊖ wherein Y⊖ is a carboxylic acid anion of 4-8 carbons, R is a &bgr;-hydroxyalkyl group of 2-6 carbons, X is an alkylene group of 2-3 carbons and m is a number from 1.0 to 2.0. The three radicals X form a ring with the quaternary nitrogen by way of a common nitrogen atom, which may be partly &bgr;-hydroxyalkylated, said ring optionally having an OH group positioned &agr;, &bgr; or &ggr; to the nitrogen. The reaction proceeds at a temperature of 0-160° C.
摘要翻译： 通过在0.05-2重量％的催化剂存在下，以二异氰酸酯的重量为基准进行3分钟至3小时的部分三聚，由异佛尔酮二异氰酸酯制备低气味，储存稳定的含单体的聚异氰脲酸酯， 具有甲醛的催化剂是4-8个碳原子的羧酸阴离子，R是2-6个碳原子的β-羟基烷基，X是2-3个碳原子的亚烷基，m是从1.0到 2.0。 三个基团X通过常见的氮原子与季氮形成环，其可以部分地被β-羟烷基化，所述环任选地具有与氮定位α，β或γ的OH基团。 反应在0-160℃的温度下进行
-
公开(公告)号：US07371891B2
公开(公告)日：2008-05-13
申请号：US11185776
申请日：2005-07-21
IPC分类号： C07C249/00 , C07C251/00 , C07C257/00 , C07C263/00 , C07C265/00 , C07C267/00 , C07C291/00
CPC分类号： C07C265/14 , C07C263/04 , C07C269/04 , C07C2601/14 , C07C271/24
摘要： The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
-
公开(公告)号：US07307186B2
公开(公告)日：2007-12-11
申请号：US10917463
申请日：2004-08-13
IPC分类号： C07C249/00 , C07C251/00 , C07C257/00 , C07C263/00 , C07C265/00 , C07C267/00 , C07C291/00
CPC分类号： C07C263/04 , C07C2601/14 , C07C265/14
摘要： A process for continuous phosgene-free preparation of cycloaliphatic diisocyanates.
摘要翻译： 连续无光气制备环脂族二异氰酸酯的方法。
-
公开(公告)号：US20050250960A1
公开(公告)日：2005-11-10
申请号：US11100603
申请日：2005-04-07
IPC分类号： C07C263/04 , C07B61/00 , C07C263/06 , C07C263/18 , C07C265/10 , C07C265/14
CPC分类号： C07C263/04 , C07C265/14
摘要： Cycloaliphatic diisocyanates can be prepared continuously and phosgene-free by reacting at least one cycloaliphatic diamine with at least one carbonic acid derivative and at least one alcohol to give a cycloaliphatic diurethane; freeing the cycloaliphatic diurethane of a low boiler, a medium boiler and mixtures thereof; thermally cleaving the cycloaliphatic diurethane in a cleavage apparatus to give a cycloaliphatic diisocyanate and a cleavage residue; continuously discharging a portion of the cleavage residue from the cleavage apparatus; removing the high boiler components from the discharge to obtain a purified discharge; reurethanizing the purified discharge with alcohol to obtain a reurethanized discharge; and recycling the reurethanized discharge into the process.
摘要翻译： 环脂族二异氰酸酯可以通过使至少一种脂环族二胺与至少一种碳酸衍生物和至少一种醇反应而连续制备和无光气，得到脂环族二氨基甲酸酯; 释放低锅炉，中等锅炉及其混合物的脂环族二氨基甲酸酯; 在切割装置中热裂解脂环族二氨基甲酸酯以得到脂环族二异氰酸酯和裂解残基; 从裂解装置连续排出一部分裂解残基; 从放电中除去高锅炉组分以获得净化的排放物; 用乙醇对纯化的排出物进行氨基甲酸乙酯化，得到氨基甲酸酯化的排出物; 并将再生氨化的排放物回收到该过程中。
-
公开(公告)号：US07420080B2
公开(公告)日：2008-09-02
申请号：US11101428
申请日：2005-04-08
IPC分类号： C07C263/00 , C07C249/00
CPC分类号： C07C263/06 , C07C2601/14 , C07C265/14
摘要： The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
-
公开(公告)号：US20050043562A1
公开(公告)日：2005-02-24
申请号：US10921934
申请日：2004-08-20
IPC分类号： C07C263/04 , C07C263/06 , C07C265/14 , C07C261/04
CPC分类号： C07C265/14 , C07C263/06 , C07C2601/14
摘要： A multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
摘要翻译： 用于连续和无光气制备环脂族二异氰酸酯的多阶段方法。
-
7.发明授权公开(公告)号：US08536370B2
公开(公告)日：2013-09-17
申请号：US12922280
申请日：2009-05-18
IPC分类号： C07C263/12 , C07C263/06
CPC分类号： C07C209/78 , C07C211/50 , C07C265/14
摘要： Low chlorine, multi-staged method for producing cycloaliphatic diisocyanates. The invention relates to a multi-staged method for the continuous low-chlorine production of cycloaliphatic diisocyanates, comprising the synthesis of diaminodipheynl alkanes, the hydration thereof into the corresponding cycloaliphatic diamines and the subsequent conversion of cycloaliphatic diamines to the corresponding cycloalkylene biscarbamates and the thermal cleaving of the latter into the cycloaliphatic diisocyanates and alcohol.
摘要翻译： 低氯，多阶段生产脂环族二异氰酸酯的方法。 本发明涉及一种用于连续低氯生产脂环族二异氰酸酯的多阶段方法，其包括合成二氨基二炔烃，将其水合成相应的脂环族二胺，随后将脂环族二胺转化为相应的亚环烷基双氨基甲酸酯和热 将后者切割成脂环族二异氰酸酯和醇。
-
8.发明申请公开(公告)号：US20110028755A1
公开(公告)日：2011-02-03
申请号：US12922280
申请日：2009-05-18
IPC分类号： C07C263/00 , C07C263/20
CPC分类号： C07C209/78 , C07C211/50 , C07C265/14
摘要： Low chlorine, multi-staged method for producing cycloaliphatic diisocyanates. The invention relates to a multi-staged method for the continuous low-chlorine production of cycloaliphatic diisocyanates, comprising the synthesis of diaminodipheynl alkanes, the hydration thereof into the corresponding cycloaliphatic diamines and the subsequent conversion of cycloaliphatic diamines to the corresponding cycloalkylene biscarbamates and the thermal cleaving of the latter into the cycloaliphatic diisocyanates and alcohol.
摘要翻译： 低氯，多阶段生产脂环族二异氰酸酯的方法。 本发明涉及一种用于连续低氯生产脂环族二异氰酸酯的多阶段方法，其包括合成二氨基二炔烃，将其水合成相应的脂环族二胺，随后将脂环族二胺转化为相应的亚环烷基双氨基甲酸酯和热 将后者切割成脂环族二异氰酸酯和醇。
-
9.发明申请公开(公告)号：US20100036154A1
公开(公告)日：2010-02-11
申请号：US12519795
申请日：2007-11-05
申请人： Hans-Werner Michalczak , Stephan Kohlstruk , Manfred Kreczinski , Gerda Grund , Rainer Lomoelder
发明人： Hans-Werner Michalczak , Stephan Kohlstruk , Manfred Kreczinski , Gerda Grund , Rainer Lomoelder
IPC分类号： C07C263/06 , C07C265/14
CPC分类号： C07C263/04 , C07C269/04 , C07C2601/14 , C07C271/12 , C07C271/24 , C07C265/14
摘要： The invention relates to a multi-stage process for the continuous, phosgene-free preparation of (cyclo)aliphatic diisocyanates that comprises the conversion of (cyclo)aliphatic diamines into the corresponding (cyclo)alkylene biscarbamates and the thermal cleaving of the latter into the (cyclo)alkylene diisocyanates and alcohol. The urea used in accordance with the invention and also the urea employed for the preparation of urea equivalents (e.g. alkyl carbonates, alkyl carbamates) as a possible precursor for the synthesis of the (cyclo)aliphatic biscarbamates is unconditioned.
摘要翻译： 本发明涉及用于（环）脂族二异氰酸酯的连续不光气制备的多阶段方法，其包括将（环）脂族二胺转化成相应的（环）亚烷基双氨基甲酸酯，并将后者的热裂解转化为 （环）亚烷基二异氰酸酯和醇。 根据本发明使用的尿素以及用于制备尿素当量（例如烷基碳酸酯，氨基甲酸烷基酯）作为合成（环）脂族双氨基甲酸酯的可能前体的尿素是无条件的。
-
公开(公告)号：US07557242B2
公开(公告)日：2009-07-07
申请号：US11100603
申请日：2005-04-07
IPC分类号： C07C251/00
CPC分类号： C07C263/04 , C07C265/14
摘要： Cycloaliphatic diisocyanates can be prepared continuously and phosgene-free by reacting at least one cycloaliphatic diamine with at least one carbonic acid derivative and at least one alcohol to give a cycloaliphatic diurethane; freeing the cycloaliphatic diurethane of a low boiler, a medium boiler and mixtures thereof; thermally cleaving the cycloaliphatic diurethane in a cleavage apparatus to give a cycloaliphatic diisocyanate and a cleavage residue; continuously discharging a portion of the cleavage residue from the cleavage apparatus; removing the high boiler components from the discharge to obtain a purified discharge; reurethanizing the purified discharge with alcohol to obtain a reurethanized discharge; and recycling the reurethanized discharge into the process.
摘要翻译： 环脂族二异氰酸酯可以通过使至少一种脂环族二胺与至少一种碳酸衍生物和至少一种醇反应而连续制备和无光气，得到脂环族二氨基甲酸酯; 释放低锅炉，中等锅炉及其混合物的脂环族二氨基甲酸酯; 在切割装置中热裂解脂环族二氨基甲酸酯以得到脂环族二异氰酸酯和裂解残基; 从裂解装置连续排出一部分裂解残基; 从放电中除去高锅炉组分以获得净化的排放物; 用乙醇对纯化的排出物进行氨基甲酸乙酯化，得到氨基甲酸酯化的排出物; 并将再生氨化的排放物回收到该过程中。
-
-
-
-
-
-
-
-
-
搜索结果
22 条记录 (耗时 0.026 秒)
