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1. 发明申请

US20200346378A1 VARIABLE DEVICE AND METHOD FOR APPLYING A FOAMABLE REACTION MIXTURE TO A MOVING COVER LAYER 审中-公开
公开(公告)号：US20200346378A1
公开(公告)日：2020-11-05
申请号：US16758628
申请日：2018-11-12
申请人： Covestro Deutschland AG
发明人： Hartmut Nefzger , Uwe Kuenzel , Michael Schedler , Christian Hahn
IPC分类号： B29C44/46 , B29C44/60 , B29C44/32
摘要： The invention relates to a device for applying a foamable reaction mixture to a moving cover layer, comprising a mixing head (100) having at least two inlets (200, 300) and at least one outlet (400) for mixing components that produce the foamable reaction mixture, and a conduit (410, 420, 430, 440) connected to the outlet of the mixing head, through which conduit the foamable reaction mixture can flow, and which has a discharge element (500), from which the foamable reaction mixture can be applied to the cover layer. The conduit (410, 420, 430, 440) is designed to include at least two configurations, which differ in the path length, which the reaction mixture flowing through the conduit covers. The invention further relates to a method for applying a foamable reaction mixture to a moving cover layer using a device according to the invention.

2. 发明申请

US20180079890A1 METHOD FOR PRODUCING POLYETHER CARBONATE POLYOLS 审中-公开
公开(公告)号：US20180079890A1
公开(公告)日：2018-03-22
申请号：US15722047
申请日：2017-10-02
申请人： Covestro Deutschland AG
发明人： Kai Laemmerhold , Jorg Hofmann , Hartmut Nefzger
IPC分类号： C08K5/521 , C08G64/42 , C08K3/32
摘要： The invention relates to a method for producing polyether carbonate polyols, (i) one or more alkylene oxide(s) and carbon dioxide being added to one or more H-functional starter substance(s) in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, a reaction mixture containing the polyether carbonate polyol being obtained, characterized in that (ii) at least one component K is added to the obtained reaction mixture containing the polyether carbonate polyol, wherein component K is selected from at least one compound that contains a phosphorus-oxygen bond or a compound of phosphorus that can form one or more P—O bonds by reaction with OH-functional compounds.

3. 发明授权

US09920175B2 Polyurethane prepreg and composite fiber element produced therefrom 有权
公开(公告)号：US09920175B2
公开(公告)日：2018-03-20
申请号：US14785218
申请日：2014-04-14
申请人： Covestro Deutschland AG
发明人： Florian Hupka , Marcel Schornstein , Hartmut Nefzger
IPC分类号： C08J5/24 , B32B27/04 , B32B27/40 , C08G18/10 , C08G18/76 , C08G18/20 , C08G18/42 , C08J5/04 , C08L75/08
CPC分类号： C08J5/24 , C08G18/10 , C08G18/2063 , C08G18/4238 , C08G18/7664 , C08J5/043 , C08J2375/06
摘要： The invention relates to prepregs and to a method for producing storage-stable polyurethane prepregs (pre-impregnated fibers) using polyols with a high content of secondary hydroxyl end groups, to composite fiber components (composite components) which are produced from the prepregs and which can be obtained by impregnating fiber-shaped materials such as woven fabrics and fleece, and to a method for producing said composite fiber components.

4. 发明授权

US11434321B2 Flame-retardant polyurethane rigid foams 有权
公开(公告)号：US11434321B2
公开(公告)日：2022-09-06
申请号：US16764219
申请日：2018-12-12
申请人： Covestro Deutschland AG
发明人： Hartmut Nefzger , Persefoni Hilken , Urs Rauwald
IPC分类号： C08G18/38 , C08G18/16 , C08G18/18 , C08G18/22 , C08G18/42 , C08G18/66 , C08J9/00 , C08J9/12 , C08J9/14
摘要： A process for producing rigid PUR/PIR foams via the reaction of a reaction mixture comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, and A5 optionally auxiliaries and additives with B an organic polyisocyanate component. Component A1 comprises a diurethane diol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.

5. 发明授权

US11352462B2 Flame-retarded rigid polyurethane foams 有权
公开(公告)号：US11352462B2
公开(公告)日：2022-06-07
申请号：US16764211
申请日：2018-12-12
申请人： Covestro Deutschland AG
发明人： Hartmut Nefzger , Persefoni Hilken , Markus Meuresch , Aurel Wolf
IPC分类号： C08G18/38 , C08G18/40 , C08G18/42 , C08G18/50 , C08G18/66 , C08J9/00 , C08J9/14
摘要： A process for producing rigid PUR/PIR foams comprising A1 an isocyanate-reactive component, A2 a flame retardant, A3 a blowing agent, A4 a catalyst, A5 optionally auxiliaries and additives, and B an organic polyisocyanate component. Component A1 comprises a triurethane triol A1.1 and a compound A1.2 selected from the group consisting of polyether polyol, polyester polyol, polyether carbonate polyol, and polyether ester polyol. Also disclosed is a rigid PUR/PIR foam, an insulating material, a composite element, and a mixture.

6. 发明授权

US11345775B2 Polyurethane foams based on polyethercarbonate polyols 有权
公开(公告)号：US11345775B2
公开(公告)日：2022-05-31
申请号：US15781941
申请日：2016-12-06
申请人： COVESTRO DEUTSCHLAND AG
发明人： Bert Klesczewski , Jörg Hofmann , Karsten Malsch , Nicole Welsch , Klaus Lorenz , Hartmut Nefzger , Kai Laemmerhold
IPC分类号： C08G18/16 , C08G18/18 , C08G18/24 , C08G18/40 , C08G18/44 , C08G18/48 , C08G18/76 , C08G64/18 , C08G64/34 , C08G65/26 , C08J9/00 , C08J9/12
摘要： The present invention relates to a method for producing polyurethane foams by reacting an isocyanate component with an isocyanate-reactive component comprising at least one polyethercarbonate polyol, the reaction taking place in the presence of a component K selected from one or more compounds from the group consisting of K1 esters of mono- or polybasic carboxylic acids whose (first) dissociation has a pKa of 0.5 to 4.0, K2 mono-, di- and polysulfonates of mono- and polyfunctional alcohols, and K3 one or more compounds from the group consisting of K 3.1 esters of phosphoric acid, phosphonic acid, phosphorous acid, phosphinic acid, phosphonous acid and phosphinous acid, these esters each containing no P—OH group, K3.2 oligomeric alkyl phosphates of the general formula (II), where a is an integer from 1 to 10, b is an integer from 1 to 10, R1, R2, R3 and R4 are alkyl groups having at least one carbon, and R1, R2, R3 and R4 are alike or, independently of one another, different, and R5 is a linear alkylene group having at least two carbons or is a branched alkylene group having at least three carbons, and K3.3 comprises oligomeric alkyl phosphates of the general formula (III), where a is an integer from 1 to 10, b is an integer from 1 to 10, R1, R4 and R5 are linear alkylene groups having at least two carbons or are branched alkylene groups having at least three carbons, and R1, R4 and R5 are alike or, independently of one another, different, and R2 and R3 are alkyl groups having at least one carbon, and R2 and R3 are alike or, independently of one another, different. The invention also relates to polyurethane foams produced by the method of the invention and to the use thereof.

7. 发明授权

US10982039B2 PUR/PIR rigid foams made of polyaddition oligoesters 有权
公开(公告)号：US10982039B2
公开(公告)日：2021-04-20
申请号：US15777693
申请日：2016-11-23
申请人： COVESTRO DEUTSCHLAND AG
发明人： Hartmut Nefzger , Torsten Hagen , Klaus Lorenz , Rene Abels
IPC分类号： C08G18/42 , B32B5/18 , C08J9/00 , C08J9/14 , C08G18/76 , C08G18/40 , C08G18/48 , C08G18/20 , B32B21/08 , B32B5/24 , B32B7/04 , B32B27/12 , B32B19/04 , B32B21/06 , B32B5/26 , B32B15/10 , B32B29/00 , B32B13/14 , B32B15/12 , B32B13/08 , B32B27/08 , B32B5/02 , B32B15/18 , B32B27/32 , B32B13/04 , B32B15/04 , B32B27/10 , B32B13/12 , B32B27/30 , B32B13/06 , B32B13/10 , B32B15/14 , B32B15/08 , B32B21/04 , B32B27/06 , B32B15/085 , B32B19/06 , B32B21/10 , B32B15/20 , B32B15/082 , B32B29/02 , C08G18/18
摘要： The invention relates to a method for producing PUR/PIR rigid foam materials, having the steps of reacting at least one polyester polyol (a), which can be obtained by reacting a. I.) at least one cyclic carboxylic acid anhydride; a.2.) at least one low-molecular dial with a molecular mass of 62 to 450 Da; and a.3.) at least one alkylene oxide; by esterifying the components a.I.) and a.2.) and subsequently oxalkylating the resulting carboxylic acid half-ester using component a.3.); wherein at least the oxalkylation is carried out using a.4.) at least one amine catalyst in which (the) nitrogen atom(s) is/are part of an aromatic ring system, with (b) at least one polyisocyanate-containing component, (c) at least one propellant, (d) at least one or more catalysts, (e) optionally at one flameproofing agent and/or other auxiliary agents, and (f) optionally at least one additional compound with at least two groups which are reactive towards isocyanates and which differ from polyester polyol (a). The invention also relates to a PUR/PIR rigid foam material which can be obtained using a method according to the invention, to a composite element comprising the PUR/PIR rigid foam material according to the invention, at least one cover layer selected from concrete, wood, press board, aluminum, copper, steel, stainless steel, paper, non-wovens, and plastic, and multilayer composites or a combination thereof. The invention also relates to the use of the PUR/PIR rigid foam materials according to the invention or the composite element according to the invention for heat damping.

8. 发明申请

US20180291149A1 USE OF ALCOHOLS WHICH CONTAIN AT LEAST TWO URETHANE GROUPS FOR PRODUCING POLYETHER CARBONATE POLYOLS 审中-公开
公开(公告)号：US20180291149A1
公开(公告)日：2018-10-11
申请号：US15573996
申请日：2016-05-24
申请人： Covestro Deutschland AG
发明人： Urs Rauwald , Jörg Hofmann , Bert Klesczewski , Hartmut Nefzger , Aurel Wolf , Jens Langanke
IPC分类号： C08G64/34
CPC分类号： C08G64/34 , C08G18/163 , C08G18/1833 , C08G18/244 , C08G18/4018 , C08G18/44 , C08G18/4837 , C08G18/5045 , C08G65/2603 , C08G65/2606 , C08G65/2618 , C08G65/2663 , C08G71/04 , C08G2101/0008 , C08G2101/005 , C08G2101/0083
摘要： The present invention relates to a method for producing polyether carbonate polyols by attaching alkyloxides and carbon dioxide to H-functional starter compounds, characterized in that at least one alcohol containing at least two urethane groups is used as the H-functional starter compound. The invention further relates to polyether carbonate polyols containing a structural unit of the formula (IV), wherein: R1 denotes a linear or branched C2 to C24-alkylene, which optionally can be interrupted by heteroatoms of O, S or N and can be substituted, preferably by CH2—CH2 or CH2—CH(CH3); R2 denotes a linear or branched C2 to C24-alkylene, C3 to C24-cycloalkylene, C4 to C24-alkylene, C5 to C24-aralkylene, C2 to C24-alkenylene, C2 to C24-alkynylene, each of which can optionally be interrupted by heteroatoms such as O, S or N and/or can be substituted with alkyl, aryl and/or hydroxyl groups, preferably C2 to C24-alkyls; R3 denotes H, linear or branched C1 to C24-alkyl, C3 to C24-cycloalkyl, C4 to C24-aryl, C5 to C24-aralkyl, C2 to C24-alkenyl, C2 to C24-alkynyl, each of which can optionally be interrupted by heteroatoms such as O, S or N and/or can each be substituted with alkyl, aryl and/or hydroxyl groups, preferably H; R4 denotes H, a linear of branched C1 to C24-alkyl, C3 to C24-cycloalkyl, C4 to C24-aryl, C5 to C24-aralkyl, C2 to C24-alkenyl, C2 to C24-alkynyl, each of which can optionally be interrupted by heteroatoms such as O, S or N and/or can each be substituted with alkyl, aryl and/or hydroxyl groups, preferably H; R5 denotes a linear or branched C2 to C24-alkylene, which can optionally be interrupted by heteroatoms such as O, S or N and can be substituted, preferably by CH2—CH2 or CH2—CH(CH3); and wherein R1 to R5 can be identical or different to each other.

9. 发明申请

US20180171062A1 RIGID PUR/PIR FOAMS OF ISOPROPYLIDENEDIPHENOL-BASED POLYETHERS 审中-公开
公开(公告)号：US20180171062A1
公开(公告)日：2018-06-21
申请号：US15572589
申请日：2016-05-09
申请人： Covestro Deutschland AG
发明人： Hartmut Nefzger , Stephan Schleiermacher , Klaus Lorenz
IPC分类号： C08G18/48 , C08G65/48 , C08G18/76
CPC分类号： C08G18/4833 , C08G18/7671 , C08G65/48
摘要： The invention concerns a new polyol composition from isopropylidenediphenol-based polyethers, which are used in an advantageous manner for the production of polyurethane-polyisocyanurate (PUR-/PIR) rigid foams, as well as their production and use in PUR/PIR rigid foams.

10. 发明授权

US09714216B2 Use of urethane alcohols for preparation of polyether polyols 有权
公开(公告)号：US09714216B2
公开(公告)日：2017-07-25
申请号：US15036486
申请日：2014-11-19
申请人： Covestro Deutschland AG
发明人： Jörg Hofmann , Kai Laemmerhold , Hartmut Nefzger , Monika Heinz , Bert Klesczewski , Klaus Lorenz
IPC分类号： C07C269/06 , C08G18/50 , C08G18/71 , C08G65/26 , C08G65/333 , C08G71/04
CPC分类号： C07C269/06 , C08G18/5045 , C08G18/711 , C08G65/2603 , C08G65/2606 , C08G65/2615 , C08G65/2618 , C08G65/2663 , C08G65/33344 , C08G71/04
摘要： The present invention relates to a process for preparing polyether polyols by addition of alkylene oxides onto H-functional starter substances, characterized in that at least one urethane alcohol of formula (II) where R1 is linear or branched C2 to C24-alkylene which may optionally be interrupted by heteroatoms such as O, S or N and may be substituted, R2 is linear or branched C2 to C24-alkylene which may optionally be interrupted by heteroatoms such as O, S or N and may be substituted, R is H, linear or branched C1 to C24-alkyl, C3 to C24-cycloalkyl, C4 to C24-aryl, C5 to C24-aralkyl, C2 to C24-alkenyl, C2 to C24-alkynyl, each of which may optionally be interrupted by heteroatoms such as O, S or N and/or each of which may be substituted by alkyl, aryl and/or hydroxyl, is used as H-functional starter compound. The invention further provides the polyether polyols containing a urethane group, the polyether polyols obtainable by the process according to the invention, for the use of the inventive polyether polyols for preparation of a polyurethane polymer, and the resulting polyurethane polymers.

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