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1. 发明授权

US5043471A Process for the preparation of polyisocyanates 失效
标题翻译：制备多异氰酸酯的方法
公开(公告)号：US5043471A
公开(公告)日：1991-08-27
申请号：US519190
申请日：1990-05-04
申请人： Gunter Hammen , Hartmut Knofel , Wolfgang Friederichs
发明人： Gunter Hammen , Hartmut Knofel , Wolfgang Friederichs
IPC分类号： C07C263/04 , C07C263/20 , C07C265/14
CPC分类号： C07C263/20 , C07C263/04
摘要： The present invention relates to a process for the preparation of a polyisocyanate comprising(a) thermally decomposing in a tube reactor a solution of an N-substituted carbamic acid ester corresponding to said polyisocyanate in a solvent used as decompositoin medium, wherein said solvent (i) is capable of dissolving the carbamic acid ester, (ii) is stable at the decomposition temperature and chemically inert towards the carbamic acid esters and the polyisocyanate product, (iii) can be distilled without decomposing under the conditions of decomposition of carbamic acid estes, and (iv) has at least one miscibility gap with an extracting agent used according to the extraction step (c), said solutions being carried along the internal wall of reactor;(b) separating the gaseous materials formed in the tube reactor by fractional condensation into a fraction I comprised mainly of the alcohol by-product and a fraction II comprised mainly of polyisocyanates, isocyanatourethanes, unreacted carbamic acid ester, and the solvent used in step (a);(c) extracting the polyisocyanate from said fraction II with an extracting agent that is at least partly immiscible with the decomposition medium and is a solvent for the polyisocyanate, and optionally distilling the resultant solution of the polyisocyanate in the extracting agent; and(d) recycling the portion of fraction II remaining after the polyisocyanate is extracted.
摘要翻译：本发明涉及一种制备多异氰酸酯的方法，其包含（a）在管式反应器中将在所述多异氰酸酯中的N-取代氨基甲酸酯的溶液在用作分解介质的溶剂中热分解，其中所述溶剂（i ）能够溶解氨基甲酸酯，（ii）在分解温度下稳定并对氨基甲酸酯和多异氰酸酯产物具有化学惰性，（iii）可以在氨基甲酸酯分解条件下不分解而蒸馏，和（iv）与根据提取步骤（c）使用的萃取剂具有至少一个混溶性间隙，所述溶液沿反应器内壁运送; （b）通过分级冷凝将形成在管式反应器中的气态物质分离成主要由醇副产物组成的馏分I和主要由多异氰酸酯，异氰酸酯基氨基甲酸酯，未反应的氨基甲酸酯和步骤（一个）; （c）使用与分解介质至少部分不混溶并且是多异氰酸酯的溶剂的提取剂从所述级分II中提取多异氰酸酯，并且任选地将得到的多异氰酸酯溶液蒸馏在萃取剂中; 和（d）回收在提取多异氰酸酯之后残留的馏分II的部分。

2. 发明授权

US09834655B2 Polyurethane foam and method for producing same 有权
公开(公告)号：US09834655B2
公开(公告)日：2017-12-05
申请号：US14113594
申请日：2012-04-24
申请人： Dirk Steinmeister , Stephan Moers , Stefan Lindner , Wolfgang Friederichs , Juergen Straeter
发明人： Dirk Steinmeister , Stephan Moers , Stefan Lindner , Wolfgang Friederichs , Juergen Straeter
IPC分类号： C08J9/12 , B01F5/06 , B29B7/74 , C08G18/66 , C08G18/76 , C08G18/46 , C08J9/14 , C08G101/00
CPC分类号： C08J9/122 , B01F5/0688 , B01F2215/0431 , B29B7/7457 , C08G18/4615 , C08G18/6677 , C08G18/7664 , C08G2101/0058 , C08G2101/0066 , C08J9/12 , C08J9/141 , C08J9/143 , C08J2203/08 , C08J2375/04
摘要： The invention relates to a method for producing a polyurethane foam, wherein a mixture having the following is discharged from a mixing head through a discharge line: A) a component reactive toward isocyanates; B) a surfactant component; C) a blowing agent component selected from the group comprising linear, branched, or cyclic C1 to C6 hydrocarbons, linear, branched, or cyclic C1 to C6 fluorocarbons, N2, O2, argon, and/or CO2, wherein the blowing agent C) is present in the supercritical or near-critical state; and D) a polyisocyanate component. The component A) has a hydroxyl value=100 mg KOH/g and =1000 mg KOH/g. The blowing agent component C) is present at least partially in the form of an emulsion, and means provided with an opening or several openings are arranged in the discharge line in order to increase the flow resistance during the discharge of the mixture comprising A), B), C), and D), wherein the cross-sectional area of the opening or the sum of the cross-sectional areas of all openings is =0.1% and =99.9% of the inner cross-sectional area of the discharge line.

3. 发明申请

US20080047824A1 Process for the preparation of polyols and/or polyamines from polyurethanes, polyurethane ureas and polyureas 审中-公开
标题翻译：用于由聚氨酯，聚氨酯脲和聚脲制备多元醇和/或多胺的方法
公开(公告)号：US20080047824A1
公开(公告)日：2008-02-28
申请号：US11893453
申请日：2007-08-16
申请人： Hartmut Nefzger , Frithjof Hannig , Peter Nordmann , Wolfgang Friederichs
发明人： Hartmut Nefzger , Frithjof Hannig , Peter Nordmann , Wolfgang Friederichs
IPC分类号： C07C209/68 , C07C31/00
CPC分类号： C08J3/28 , B29B17/00 , B29K2075/00 , C08G18/5048 , C08L75/04 , Y02W30/62
摘要： The present invention relates to an improved process for the preparation of NCO-reactive components from fully reacted products of the isocyanate polyaddition process, in particular those based on MDI and/or TDI, using reactive solvents in a microwave field.
摘要翻译：本发明涉及一种用于在微波场中使用反应性溶剂的异氰酸酯加聚方法，特别是基于MDI和/或TDI的完全反应产物制备NCO反应性组分的改进方法。

4. 发明授权

US09139683B2 Process for producing a polyurethane foam by means of supercritical or near-critical blowing agent 有权
标题翻译：通过超临界或近临界发泡剂生产聚氨酯泡沫的方法
公开(公告)号：US09139683B2
公开(公告)日：2015-09-22
申请号：US13505769
申请日：2010-11-03
申请人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
发明人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
IPC分类号： C08G18/08 , B29C44/34 , C08G18/66 , C08J9/12 , C08J9/14 , C08G101/00
CPC分类号： C08G18/14 , B29C44/348 , B29K2105/041 , C08G18/6644 , C08G2101/0025 , C08G2101/005 , C08J9/122 , C08J9/141 , C08J2203/08 , C08J2375/04
摘要： The present invention relates to a process for producing a polyurethane foam, where the blowing agent used is present in the supercritical or near-critical state. A reaction mixture is introduced into a closed mould, where the closed mould has been set up in such a way that its interior volume and/or the pressure prevailing in its interior can be altered after the introduction of the mixture by external influence. Through the selection of the surfactant it is possible to obtain microemulsions of the blowing agent in the polyol phase. The invention further relates to a nanocellular polyurethane foam obtainable by the process of the invention.
摘要翻译：本发明涉及一种生产聚氨酯泡沫的方法，其中所用的发泡剂以超临界或近临界状态存在。将反应混合物引入封闭的模具中，其中闭合模具已经被设置成使得其内部体积和/或其内部的压力在外部影响引入混合物之后可以改变。通过选择表面活性剂，可以获得多元醇相中发泡剂的微乳液。本发明还涉及通过本发明的方法获得的纳米蜂窝聚氨酯泡沫体。

5. 发明申请

US20140011897A1 REACTION MIXTURE IN THE FORM OF AN EMULSION AND PROCESS FOR PRODUCTION OF POLYURETHANE FOAMS FROM SUCH A REACTION MIXTURE 审中-公开
标题翻译：乳液形成中的反应混合物和从反应混合物制备聚氨酯泡沫体的方法
公开(公告)号：US20140011897A1
公开(公告)日：2014-01-09
申请号：US13883013
申请日：2011-11-03
申请人： Wolfgang Friederichs , Stefan Lindner , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl
发明人： Wolfgang Friederichs , Stefan Lindner , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl
IPC分类号： C08G18/06 , C08G18/08
CPC分类号： C08G18/06 , C08G18/0861 , C08G18/14 , C08G2101/0066 , C08J9/127 , C08J9/141 , C08J9/146 , C08J9/149 , C08J2203/06 , C08J2203/14 , C08J2203/142
摘要： The present invention relates to a reaction mixture in emulsion form, suitable for conversion into polyurethanes, comprising a first phase and a second phase in the emulsion and further comprising the following components: A) polyols; B) blowing agent; C) surfactants; and D) isocyanates, wherein the isocyanate-reactive compounds A) are present in the first phase of the emulsion and the blowing agent B) is present in the second phase. The blowing agent B) is present in the near-critical or supercritical state and the isocyanate D) is present in the second phase in a proportion of ≧10% by weight of the total amount of isocyanate D) in the composition. The invention further relates to a method of producing polyurethane foams by providing such a reaction mixture, wherein a polymerization takes place at the freshly formed interface between the polyol phase and the blowing agent phase, to the use of such a reaction mixture for producing polyurethane foams and also to the polyurethane foams obtained.
摘要翻译：本发明涉及一种适用于转化成聚氨酯的乳液形式的反应混合物，其包含乳液中的第一相和第二相，并且还包含以下组分：A）多元醇; B）发泡剂; C）表面活性剂; 和D）异氰酸酯，其中异氰酸酯反应性化合物A）存在于乳液的第一相中，并且发泡剂B）存在于第二相中。发泡剂B）以近临界或超临界状态存在，异氰酸酯D）以组分中异氰酸酯D）总重量的> = 10重量％的比例存在于第二相中。本发明还涉及通过提供这样的反应混合物来生产聚氨酯泡沫的方法，其中聚合在多元醇相和发泡剂相之间新形成的界面处发生，以使用这种反应混合物来制备聚氨酯泡沫以及所获得的聚氨酯泡沫。

6. 发明申请

US20070135608A1 Process for the preparation of polyisocyanates containing carbodiimide and/or uretonimine groups 审中-公开
标题翻译：制备含有碳二亚胺和/或脲酮亚胺基团的多异氰酸酯的方法
公开(公告)号：US20070135608A1
公开(公告)日：2007-06-14
申请号：US11634545
申请日：2006-12-06
申请人： Frithjof Hannig , Manfred Schmidt , Hartmut Nefzger , Wolfgang Friederichs
发明人： Frithjof Hannig , Manfred Schmidt , Hartmut Nefzger , Wolfgang Friederichs
IPC分类号： C08G18/16
CPC分类号： C08G18/10 , C08G18/025 , C08G18/797 , C08G2105/06
摘要： The present invention relates to a process for the preparation of carbodiimide- and/or uretonimine-modified polyisocyanates by means of microwave radiation and to the use of such polyisocyanates for the synthesis of foamed and non-foamed polyurethane materials.
摘要翻译：本发明涉及通过微波辐射制备碳二亚胺和/或脲酮亚胺改性的多异氰酸酯的方法，以及这种多异氰酸酯用于合成发泡和非发泡聚氨酯材料的方法。

7. 发明授权

US09023909B2 Process for producing a polyurethane foam and polyurethane foam obtainable therefrom 有权
标题翻译：制备由其获得的聚氨酯泡沫和聚氨酯泡沫的方法
公开(公告)号：US09023909B2
公开(公告)日：2015-05-05
申请号：US13505785
申请日：2010-11-03
申请人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
发明人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
IPC分类号： C08G18/76 , C08J9/12 , C08G18/42 , C08G18/66 , C08G101/00
CPC分类号： C08G18/42 , C08G18/6644 , C08G2101/00 , C08J9/12 , C08J2203/08 , C08J2375/04 , C08J2375/06
摘要： Process for producing a polyurethane foam and polyurethane foam obtainable therefrom A process for producing a polyurethane foam with bimodal cell size distribution, comprising the following steps: providing a mixture in a mixing head, where the mixture comprises: A) a component reactive towards isocyanates; B) a surfactant component; C) a blowing agent component selected from the group consisting of linear, branched or cyclic C1- to C6-alkanes, linear, branched or cyclic C1- to C6-fluoroalkanes, N2, O2, argon and/or CO2, where blowing agent component C) is present in the supercritical or near-critical state; D) a polyisocyanate component; discharging the mixture comprising components A), B), C), and D) from the mixing head where, during the discharge of the mixture, the pressure prevailing in the mixture is lowered to atmospheric pressure.
摘要翻译：用于生产聚氨酯泡沫的方法和由其获得的聚氨酯泡沫塑料制备具有双峰电池尺寸分布的聚氨酯泡沫的方法，包括以下步骤：在混合头中提供混合物，其中所述混合物包含：A）对异氰酸酯反应的组分; B）表面活性剂组分; C）选自直链，支链或环状C 1至C 6烷烃，直链，支链或环状C 1至C 6 - 氟代烷烃，N 2，O 2，氩和/或CO 2的发泡剂组分，其中发泡剂组分 C）存在于超临界或近临界状态; D）多异氰酸酯组分; 从混合头排出包含组分A），B），C）和D）的混合物，其中在混合物排出期间，混合物中的压力降低至大气压。

8. 发明申请

US20140107239A1 METHOD FOR PRODUCING A FOAMED MATERIAL,COMPOSITION IN THE FORM OF AN EMULSION USED IN SAID METHOD, AND FOAMED MATERIAL THAT CAN BE OBTAINED FROM SAID METHOD 有权
标题翻译：用于生产泡沫材料的方法，以所述方法使用的乳液形式的组合物和可从所述方法获得的泡沫材料
公开(公告)号：US20140107239A1
公开(公告)日：2014-04-17
申请号：US13883306
申请日：2011-11-04
申请人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Elena Khazova , Thomas Sottmann , Diana Engelen , Agnes Dominika Chalbi
发明人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Elena Khazova , Thomas Sottmann , Diana Engelen , Agnes Dominika Chalbi
IPC分类号： C08J9/12
CPC分类号： C08J9/122 , C08J9/28 , C08J2201/05 , C08J2203/06 , C08J2203/08 , C08J2375/04 , C08K5/01
摘要： The present invention relates to a process for producing a foamed material, wherein a composition in the form of emulsion with a matrix-forming component, a surfactant component and a near-critical or supercritical blowing agent component is submitted to a lowering of pressure. The blowing agent component further comprises a hydrophobic co-component, which is soluble in supercritical CO2 at a pressure of ≧150 bar, is insoluble in subcritical CO2 at a pressure of ≦40 bar and is insoluble in the matrix-forming component and furthermore is present in a proportion from ≧3 wt % to ≦35 wt % of the blowing agent component. It further relates to a composition in the form of emulsion to be used herein and a foamed material obtainable by the process according to the invention.
摘要翻译：本发明涉及一种生产泡沫材料的方法，其中具有基质形成组分，表面活性剂组分和近临界或超临界发泡剂组分的乳液形式的组合物承受降低的压力。发泡剂组分还包含在≥150巴的压力下可溶于超临界CO 2的疏水性共组分，在压力为40巴时不溶于亚临界CO 2，并且不溶于基质形成组分，此外以3重量％〜nlE的比例存在，35重量％的发泡剂成分。本发明进一步涉及本文使用的乳液形式的组合物和通过本发明的方法可获得的泡沫材料。

9. 发明申请

US20120245243A1 PROCESS FOR PRODUCING A POLYURETHANE FOAM BY MEANS OF SUPERCRITICAL OR NEAR-CRITICAL BLOWING AGENT 有权
标题翻译：通过超临界或临界吹制剂生产聚氨酯泡沫的方法
公开(公告)号：US20120245243A1
公开(公告)日：2012-09-27
申请号：US13505769
申请日：2010-11-03
申请人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
发明人： Stefan Lindner , Wolfgang Friederichs , Reinhard Strey , Thomas Sottmann , Elena Khazova , Lorenz Kramer , Verena Dahl , Agnes Chalbi
IPC分类号： C08G18/08
CPC分类号： C08G18/14 , B29C44/348 , B29K2105/041 , C08G18/6644 , C08G2101/0025 , C08G2101/005 , C08J9/122 , C08J9/141 , C08J2203/08 , C08J2375/04
摘要： The present invention relates to a process for producing a polyurethane foam, where the blowing agent used is present in the supercritical or near-critical state. A reaction mixture is introduced into a closed mould, where the closed mould has been set up in such a way that its interior volume and/or the pressure prevailing in its interior can be altered after the introduction of the mixture by external influence. Through the selection of the surfactant it is possible to obtain microemulsions of the blowing agent in the polyol phase. The invention further relates to a nanocellular polyurethane foam obtainable by the process of the invention.
摘要翻译：本发明涉及一种生产聚氨酯泡沫的方法，其中所用的发泡剂以超临界或近临界状态存在。将反应混合物引入封闭的模具中，其中闭合模具已经被设置成使得其内部体积和/或其内部的压力在外部影响引入混合物之后可以改变。通过选择表面活性剂，可以获得多元醇相中发泡剂的微乳液。本发明还涉及通过本发明的方法获得的纳米蜂窝聚氨酯泡沫体。

10. 发明申请

US20090227694A1 METHOD FOR THE TREATMENT OF POLYURETHANE FOAM WITH MICROWAVE RADIATION 审中-公开
标题翻译：用微波辐射处理聚氨酯泡沫的方法
公开(公告)号：US20090227694A1
公开(公告)日：2009-09-10
申请号：US12398679
申请日：2009-03-05
申请人： Frithjof Hannig , Dagmer Ulbrich , Peter Nordmann , Martina Jaeger , Joern Beaujean , Wolfgang Friederichs
发明人： Frithjof Hannig , Dagmer Ulbrich , Peter Nordmann , Martina Jaeger , Joern Beaujean , Wolfgang Friederichs
IPC分类号： C08J9/00
CPC分类号： B29C35/0805 , B29C44/3415 , B29C2035/0855 , B29K2075/00 , B29K2105/04 , B29K2105/045 , C08G18/409 , C08G18/4804 , C08G18/4837 , C08G18/7607 , C08G2101/0008 , C08J9/36 , C08J2201/026 , C08J2375/04
摘要： The present invention concerns a method for the treatment of polyurethane foam, wherein the polyurethane foam is obtainable from a reaction mixture comprising an ethylene oxide/propylene oxide polyol component with an OH number of ≧20 mg KOH/g to ≦45 mg KOH/g and an isocyanate component with an NCO content of ≧20 weight-% to ≦49 weight-% which is selected from the group comprising diphenylmethane diisocyanate, toluene diisocyanate, their prepolymers with an ethylene oxide/propylene oxide polyol whose OH number is from ≧20 mg KOH/g to ≦45 mg KOH/g and/or their allophanates, ureas, biurets, uretdiones, isocyanurates or carbodiimides. The invention further concerns a polyurethane foam which has been treated by such a method. After the foam formation has finished, the polyurethane foam is irradiated with microwave radiation and the irradiated energy, in relation to the volume accessible by the microwave radiation, is from ≧1.0 kilojoules/liter to ≦2.23 kilojoules/liter. Such polyurethane foams may be used as flexible molded foams in furniture applications.
摘要翻译：本发明涉及一种用于处理聚氨酯泡沫的方法，其中聚氨酯泡沫可从含有OH => 20mg KOH / g至<= 45mg KOH的环氧乙烷/环氧丙烷多元醇组分的反应混合物获得 / g和NCO含量≥20重量％至<= 49重量％的异氰酸酯组分，其选自二苯基甲烷二异氰酸酯，甲苯二异氰酸酯，它们的预聚物与环氧乙烷/环氧丙烷多元醇，其OH数来自> = 20mg KOH / g至<= 45mg KOH / g和/或其脲基甲酸酯，脲，缩二脲，脲二酮，异氰脲酸酯或碳二亚胺。本发明还涉及通过这种方法处理的聚氨酯泡沫。在泡沫形成完成之后，用微波辐射照射聚氨酯泡沫，相对于微波辐射可接近的体积照射的能量为≥1.0千焦/升至2.23千焦/升。这种聚氨酯泡沫可以用作家具应用中的柔性模塑泡沫。

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