专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

DE502007000962D1 未知
公开(公告)号：DE502007000962D1
公开(公告)日：2009-08-13
申请号：DE502007000962
申请日：2007-04-26
申请人： BAYER MATERIALSCIENCE AG
发明人： PEERLINGS HENRICUS DR , KAUFHOLD WOLFGANG DR , NEFZGER HARTMUT DR , BAUER ERIKA , BROICH MARKUS
IPC分类号： C08G18/32 , C08G18/66 , C08G18/73
摘要： Light stabilized, sinterable, thermoplastic polyurethane comprises isocyanate component (a) containing 1,6-hexamethylene diisocyanate (100-70 mol.%), aliphatic diisocyanate or mixtures of aliphatic and/or cycloaliphatic diisocyanate excluded 1,6-hexamethylene diisocyanate (0-30 mol.%); a chain elongation component; a chain elongator (0-60 mol.%) with an average molecular weight of 60-400 g/mol; a polyol component (c), optionally a catalyst (d), light stabilizer (e) (0.1-5 wt.%), additive and/or auxiliary material (f), and chain breaker (g). Light stabilized, sinterable, thermoplastic polyurethane comprises isocyanate component (a) containing 1,6-hexamethylene diisocyanate (100-70 mol.%), aliphatic diisocyanate or mixtures of aliphatic and/or cycloaliphatic diisocyanate excluded 1,6-hexamethylene diisocyanate (0-30 mol.%); a chain elongation component (b) containing at least a chain elongator (100-40 mol.%), with an average molecular weight of 104-500 g/mol, such as an ether-ketone compound of formula (H-[O-R 1>-CO] n-O-R 2>-O-[CO-R 1>-O] m-H) or (H-O-R 4>-O-[CO-R 3>-CO-O-R 4>-O] p-H); a chain elongator or its mixture (0-60 mol.%) with an average molecular weight of 60-400 g/mol, where both the chain elongators are not-identical; at least a polyol component (c) with an average molecular weight of 450-6000 g/mol, optionally a catalyst (d), light stabilizer (e) (0.1-5 wt.%, based on thermoplastic polyurethane), additive and/or auxiliary material (f), and chain breaker (g), where the ratio of (a) to the reactive isocyanate groups of (b), (c) and (g) is 0.9:1 to 1.1:1. R 1>6-24C alkylaryl (optionally substituted) or 1-12C alkylene; R 2>, R 4>1-12C alkylene or alkoxyalkylene or optionally substituted 6-24C alkylarylene or alkoxyarylene; R 3>6-20C alkylarylene, 6-20C arylene, 6-20C aralkylene (all optionally substituted) or 1-8C alkylene; either n, m : 0-1; or n+m : >=1; and p : 1-10. An independent claim is included for a heat and light stabilized molded parts comprising the thermoplastic polyurethane.

2. 发明专利

ES2315972T3 PROCEDIMIENTO PARA LA FABRICACION DE POLIURETANOS PROCESABLES TERMOPLASTICAMENTE. 未知
公开(公告)号：ES2315972T3
公开(公告)日：2009-04-01
申请号：ES06016778
申请日：2006-08-11
申请人： BAYER MATERIALSCIENCE AG
发明人： BRAUER WOLFGANG DR , KAUFHOLD WOLFGANG DR , HEIDINGSFELD HERBERT
IPC分类号： C08G18/08 , C08G18/10 , C08G18/66
摘要： Procedimiento para la fabricación de elastómeros de poliuretano procesables termoplásticamente (TPU) con comportamiento de procesamiento mejorado en una reacción de varias etapas que comprende los pasos de A) mezclar en un equipo de mezcla con elevada energía de corte uno o más polioles lineales terminados en hidroxilo a) con un peso molecular ponderado medio de 500 a 5000 con un diisocianato orgánico b) en una relación de equivalencia de grupos reactivos frente a NCO a grupos NCO de 1,1:1 a 5,0:1, B) hacer reaccionar la mezcla de reacción preparada en la etapa A) a temperaturas de > 80ºC hasta una transformación de > 90%, referida al componente b), para obtener un prepolímero terminado en OH C) mezclar el prepolímero OH preparado en la etapa B) con uno o más alargadores de cadena c) con un peso molecular de 60 a 490, D) hacer reaccionar la mezcla preparada en la etapa C) con una cantidad de componente b) para obtener el poliuretano termoplástico de modo que teniendo en cuenta todos los componentes se ajuste una relación de equivalencia de grupos NCO a grupos reactivos frente a NCO de 0,9:1 a 1,1:1, en el que los pasos A) a D) se llevan a cabo dado el caso en presencia de catalizadores y dado el caso con adición de 0 a 20% en peso, referido a la cantidad total de TPU, de coadyuvantes y aditivos.

3. 发明专利

DE50303663D1 未知
公开(公告)号：DE50303663D1
公开(公告)日：2006-07-20
申请号：DE50303663
申请日：2003-11-11
申请人： BAYER MATERIALSCIENCE AG
发明人： KAUFHOLD WOLFGANG DR , GESTERMANN EVA DR , ROEHRIG WOLFGANG
IPC分类号： C08G18/08 , C08J3/12 , C08G18/65
摘要： A process for the production of granules of thermoplastic polyurethanes prepared by reaction of cycloaliphatic diisocyanates comprises addition of, after the comminution of the thermoplastic polyurethane, one or more liquid wetting agents at a concentration of 0.01-0.5 wt.% followed by the addition of one or more solid powder agents having a m.pt. of at least70 degreesC at a concentration of 0.01-0.5 wt.%. A process for the production of granules of thermoplastic polyurethanes prepared by reaction of: (a) cycloaliphatic diisocyanates; (b) at least one polyol having a number average molecular weight of 600-8000 g/mol; (c) at least one chain extender having a number average molecular weight of 60-500 g/mol with the addition of; (d) optionally catalysts and; (e) optionally conventional processing aids and additives. Whereby, before and/or after the comminution of the thermoplastic polyurethane, one or more liquid wetting agents, liquid at at most30 degreesC are applied at a concentration of 0.01-0.5 wt.% (with respect to (wrt ) components (A)-(C)) followed by the addition of one or more solid powder agents having a m.pt. of at least70 degreesC at a concentration of 0.01-0.5 wt.% (wrt components (A)-(C)).

4. 发明专利

DE102009055735A1 Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen 未知
公开(公告)号：DE102009055735A1
公开(公告)日：2011-07-07
申请号：DE102009055735
申请日：2009-11-26
申请人： BAYER MATERIALSCIENCE AG , BAYER TECHNOLOGY SERVICES GMBH
发明人： HEPPERLE JENS DR , LIESENFELDER ULRICH , BUCHHOLZ SIGURD DR , BRAEUER WOLFGANG DR , KAUFHOLD WOLFGANG DR , HAESELER ACHIM
IPC分类号： C08G18/08 , C08G18/65
摘要： Die Erfindung betrifft ein Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Erweichungsverhalten in aufeinanderfolgenden Statikmischern.

5. 发明专利

ES2266705T3 PROCEDIMIENTO PARA LA PREPARACION DE POLIURETANOS TERMOPLASTICOS NO PEGAJOSOS. 未知
公开(公告)号：ES2266705T3
公开(公告)日：2007-03-01
申请号：ES03025767
申请日：2003-11-11
申请人： BAYER MATERIALSCIENCE AG
发明人： KAUFHOLD WOLFGANG DR , GESTERMANN EVA DR , ROHRIG WOLFGANG
IPC分类号： C08G18/08 , C08J3/12 , C08G18/65
摘要： Un procedimiento para la preparación de gránulos a partir de poliuretanos termoplásticos que pueden obtenerse por reacción de A) diisocianatos cicloalifáticos con, B) por lo menos, un poliol con un peso molecular numérico medio entre 600 y 8000 g/mol y, C) por lo menos, un agente alargador de cadena con un peso molecular numérico medio entre 60 y 500 g/mol con la adición de, D) dado el caso, un catalizador y, E) dado el caso, coadyuvantes y aditivos convencionales, caracterizado porque antes y/o después de la fragmentación de los poliuretanos termoplásticos (TPU), se aplican sucesivamente sobre el TPU a) uno o más agentes humectantes líquidos a una temperatura =30 ºC en una concentración del 0, 01 al 0, 5% en peso, referida a la suma de A, B y C, y luego se aplican sobre el TPU (b) uno o más agentes pulverizantes sólidos con una temperatura de fusión =70 ºC, en una concentración del 0, 01 al 0, 5% en peso, referida a la suma de A, B y C.

6. 发明专利

DE502005003084D1 未知
公开(公告)号：DE502005003084D1
公开(公告)日：2008-04-17
申请号：DE502005003084
申请日：2005-12-10
申请人： BAYER MATERIALSCIENCE AG
发明人： PEERLINGS HENRICUS DR , KAUFHOLD WOLFGANG DR
IPC分类号： C08G18/66 , C08G18/73 , C08K5/00
摘要： Light-stable, sinterable, aliphatic, thermoplastic polyurethane (I) obtained from an isocyanate component (comprising 1,6-hexamethylendiisocyanate), a chain extending component, at least one component with specific molecular weight, a thermoplastic polyurethane, optionally catalysts and additive, thermoplastic polyurethane and light stabilizers, optionally additives and/or auxiliary materials and optionally chain cleavers. Light-stable, sinterable, aliphatic, thermoplastic polyurethane (I) obtained from an isocyanate component (A) (comprising 1,6-hexamethylene diisocyanate (A1) (100-75 mol%) and an aliphatic diisocyanate (A2) (0-25 mol%) or their mixtures (excluding 1,6-hexamethylene diisocyanate)) and a chain extending component (B) (comprising 100-75 mol% of a chain extender (B1) consisting of 1,2-ethane diol, 1,3-propane diol, 1,4-butane diol, 1,5-pentane diol, 1,6-hexanediol, 1,10-decanediol, 1,12-dodecanediol, diethylene glycol, dipropylene glycol, terephthalic acid-bis-ethylene glycol, terephthalic acid-bis-1,4-butandiol, 1,4-di (beta -hydroxyethyl)-hydroquinone, 1,4-di (beta -hydroxyethyl)-bisphenol A and 0-25 mol.% of a chain extender (B2) with a molecular weight of 60-400 or a mixture from chain extender, where (B1) is not identical with (B2) and the arithmetic sum of (A2) and (B2) is 2-28 mol.%; at least one component (C) with an average molecular weight of 450-10000 g/mol and in agent at least 1.8 to at most 3 zerevitinov active hydrogen atoms, where the ratio of the isocyanate group of (A) to the isocyanate reactive group of (B), (C) and optionally (H) is 0.9:1 to 1.1:1 in the presence of 1-30 wt.% of a thermoplastic polyurethane (D), one or several softeners with an average molecular weight of 200-10000 g/mol; optionally catalysts (E) and under additive of 0.1-10 wt.% of thermoplastic polyurethane, light stabilizers (F); optionally additives and/or auxiliary materials (G); and optionally chain cleavers.

7. 发明专利

AT291598T 未知
公开(公告)号：AT291598T
公开(公告)日：2005-04-15
申请号：AT00110187
申请日：2000-05-15
申请人： BAYER MATERIALSCIENCE AG
发明人： BRAEUER WOLFGANG DR , KAUFHOLD WOLFGANG DR , MUELLER FRIEDEMANN DR , WINKLER JUERGEN , HEIDINGSFELD HERBERT , ROEHRIG WOLFGANG , HOPPE HANS-GEORG
IPC分类号： C08J5/00 , C08G18/08 , C08G18/66
摘要： A process for the continuous production of thermoplastically, processable homogeneous polyurethane elastomers, having improv softening properties, comprises mixing in a stirred tubular reactor to essentially full conversion whereby the ratio of the init stirred speed (m/s) and the throughput (g/s) does not exceed 0.03 (m/g). A process for the continuous production of thermoplastically, processable homogeneous polyurethane elastomers (I) having improved softening properties, comprises: (A) mixing a diisocyanate; and (B) a mixture of (B1) 1-85 equivalent % (w.r.t. isocyanate groups in (A)) of a compound having an average of 1.8-2.2 active hydrogen atoms per molecule and an average number average mol. wt. of 450-5000 g/mol; and (B2) 15-99 equivalent % (w.r.t. isocya groups in (A) of a chain extender having an average of 1.8-2.2 active hydrogen atoms per molecule and mol. wt. of 60-400 g/mol a (C) 0-20 wt.% of processing aids and additives whereby the NCO:OH ratio of (A):(B) is 0.9:1-1.1:1. (A) and (B) are homogeneously mixed in a stirred tubular reactor to essentially full conversion whereby the ratio of the initial stirred speed (m/s) and the throughput (g/s) does not exceed 0.03 (m/g).

8. 发明专利

DE502006002169D1 未知
公开(公告)号：DE502006002169D1
公开(公告)日：2009-01-08
申请号：DE502006002169
申请日：2006-08-11
申请人： BAYER MATERIALSCIENCE AG
发明人： BRAEUER WOLFGANG DR , KAUFHOLD WOLFGANG DR , HEIDINGSFELD HERBERT
IPC分类号： C08G18/08 , C08G18/10 , C08G18/66
摘要： Production of thermoplastic polyurethane elastomers (TPU) involves (A) mixing (a) linear hydroxyl (OH)-terminated polyol(s) (molecular weight (Mw) 500-5000) with (b) organic diisocyanate in isocyanate (NCO)-reactive/NCO group equivalent ratio of (1.1-5.0):1 in mixing aggregate with high shear energy; (B) over 90% conversion to OH-terminated prepolymer (I) by reaction at over 80[deg]C; (C) mixing (I) with (c) chain extender(s) (Mw 60-490); (D) conversion to TPU by reaction with (b) to adjust overall equivalent ratio of NCO/NCO-reactive groups to (0.9-1.1):1. Production of thermoplastic polyurethane elastomers (TPU) with improved processability uses a multistage reaction comprising (A) mixing (a) linear hydroxyl (OH)-terminated polyol(s) of weight average molecular weight 500-5000 with (b) an organic diisocyanate in an equivalent ratio of isocyanate (NCO)-reactive groups to NCO groups of (1.1-5.0):1 in a mixing aggregate with high shear energy; (B) reacting the resultant mixture at temperatures above 80[deg]C to over 90% conversion with respect to (b), to a OH-terminated prepolymer (I); (C) mixing (I) with (c) chain extender(s) of molecular weight 60-490; (D) conversion to the TPU by reacting the mixture with component (b) in such an amount that the overall equivalent ratio of NCO/NCO-reactive groups is adjusted to (0.9-1.1):1. Stages (A) to (D) may take place in the presence of catalyst and with addition of 0-20 wt.% ancillaries and additives with respect to the total amount of TPU. An independent claim is included for use of the TPU for producing injection molded and extruded articles.

9. 发明专利

ES2238951T3 PROCEDIMIENTO PARA LA PREPARACION CONTINUA DE POLIURETANOS PROCESABLES DE FORMA TERMOPLASTICA. 未知
公开(公告)号：ES2238951T3
公开(公告)日：2005-09-16
申请号：ES00110187
申请日：2000-05-15
申请人： BAYER MATERIALSCIENCE AG
发明人： BRAUER WOLFGANG DR , KAUFHOLD WOLFGANG DR , MULLER FRIEDEMANN DR , WINKLER JURGEN , HEIDINGSFELD HERBERT , ROHRIG WOLFGANG
IPC分类号： C08J5/00 , C08G18/08 , C08G18/66
摘要： Procedimiento para la preparación continua de elastómeros de poliuretano homogéneos procesables de forma termoplástica con comportamiento de reblandecimiento mejorado, en el que uno o más diisocianatos (A) y una mezcla (B), que presenta átomos de hidrógeno activos de Zerevitinov, de B1) 1% a 85% en equivalentes, respecto a los grupos isocianato en (A), de uno o más compuestos con un promedio de al menos 1, 8 y como máximo 2, 2 átomos de hidrógeno activos de Zerevitinov por molécula y con un peso molecular promedio de 450 g/mol a 5.000 g/mol, B2) 15% a 99% en equivalentes, respecto a los grupos isocianato en (A), de uno o más agentes elongadores de cadena con un promedio de al menos 1, 8 y como máximo 2, 2 átomos de hidrógeno activos de Zerevitinov por molécula y con un peso molecular de 60 g/mol a 400 g/mol, así como 0% a 20% en peso, respecto a la cantidad total de TPU, de coadyuvantes y aditivos (C) adicionales, empleándose los componentes (A) y (B) en una relación NCO:OH de 0, 9:1 a1, 1:1, se hacen reaccionar de forma sustancial hasta conversión completa en un reactor tubular con agitación sin transporte forzado, caracterizado porque la relación entre la velocidad circunferencial del agitador (m/s) en el reactor tubular y el caudal másico en (g/s) supera el valor de 0, 03 (m/g).

10. 发明专利

DE502005010409D1 Thermoplastische Polyurethane und deren Verwendung 未知
公开(公告)号：DE502005010409D1
公开(公告)日：2010-12-02
申请号：DE502005010409
申请日：2005-12-02
申请人： BAYER MATERIALSCIENCE AG
发明人： PEERLINGS HENRICUS DR , KAUFHOLD WOLFGANG DR , STOLLWERCK GUNTHER DR , VAN MULLEKOM ROBERT HUBERTUS DR
IPC分类号： C08G18/08 , B32B17/10 , C08G18/38 , C08G18/66

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式