RIGID POLYURETHANE FOAMS WITH REDUCED SHRINKAGE

    公开(公告)号:CA2883891A1

    公开(公告)日:2014-03-13

    申请号:CA2883891

    申请日:2013-09-06

    Applicant: BASF SE

    Abstract: A rigid polyurethane foam obtainable by mixing a) isocyanates, b) compounds having groups which are reactive toward isocyanates, c) a blowing agent, d) a catalyst, e) one or more foam stabilizer, and optionally, f) further additives to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture, wherein the isocyanates (a) have a viscosity of not more than 600 mPas at 25°C and the compounds (b) having groups which are reactive toward isocyanates comprise (b1) 45 - 70 wt-% (based on the total weight of (b) of an aromatic polyester polyol having a functionality of 2.5 or less and a hydroxyl number of more than 220 mg KOH/g (b2) 20 - 40 wt.-% (based on the total weight of (b) of a polyether polyol having a functionality of 4 or more and a hydroxyl number of more than 400 mg KOH/g, and (b3) more than 15 wt.-% (based on the total weight of (b) one or more low molecularweight chain extender and/or one or more crosslinker and/or one or more o-toluene diamine initiated polyether polyol ("TDA polyol"), and wherein the blowing agent comprises 1-chloro-3,3,3-trifluoropropene shows low thermal conductivity values and little shrinkage and its liquid reaction mixture fast wetting and penetration into a stack of several glass fiber mat layers.

    POLYURETHANE COMPOSITE SYSTEM HAVING HIGH COMPRESSIVE STRENGTH AND RIGIDITY

    公开(公告)号:NZ600956A

    公开(公告)日:2013-05-31

    申请号:NZ60095610

    申请日:2010-12-16

    Applicant: BASF SE

    Abstract: 600956 Disclosed herein is a polyurethane composite system comprising a rigid polyurethane foam and a coating material composed of a compact polyurethane or a compact polyurea, wherein the rigid polyurethane foam comprises a porous three dimensional reinforcing material which forms a network, where the network encloses at least 50% of the volume of the rigid polyurethane foam, or at least two layers of a porous, at least two-dimensional reinforcing material, wherein the maximum distance between two adjacent layers among one another or between the upper layer and the upper side of the foam or between the lower layer and the underside of the foam differs from the minimum distance between two layers among one another or between the upper layer and the upper side of the foam or between the lower layer and the underside of the foam by a factor of not more than 4. The polyurethane composite system according to claim 1 or 2, wherein the rigid polyurethane foam can be produced by mixing polyisocyanates compounds having groups which are reactive toward isocyanates blowing agent comprising water a catalyst mixture comprising tertiary amines and optionally further additives, to form a reaction mixture, applying the reaction mixture to a reinforcing material and curing the reaction mixture.

    Derivatives of diphosphines as flame retardants for polyurethanes

    公开(公告)号:AU2011209378A1

    公开(公告)日:2012-08-23

    申请号:AU2011209378

    申请日:2011-01-27

    Applicant: BASF SE

    Abstract: Derivatives of diphosphines as flame retardants for polyurethanes Summary The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R, R, R, R are independently C-C-alkyl, C-C-hydroxyalkyl, C-C-alkoxy, C-C-hydroxyalkoxy, C-C-cycloalkyl, C-C-cycloalkoxy, C-C- aryl, C-C-aryloxy, C-C-aryl-C-C-alkyl, C-C-aryl-C-C-alkoxy, C-C-hydroxy-aryl, C-C-hydroxy-aryloxy, C-C-thioalkyl, C-C- thioaryl or C-C-thioalkyl-C-C-aryl, NRR, COR, COOR or CONRR; R, R are H, C-C-alkyl, C-C-cycloalkyl, C-C-aryl or C-C-aryl-C-C- alkyl; as a flame retardant in a polyurethane material is provided.

    Polyurethane composite system having high compressive strength and rigidity

    公开(公告)号:AU2010332880A1

    公开(公告)日:2012-07-19

    申请号:AU2010332880

    申请日:2010-12-16

    Applicant: BASF SE

    Abstract: The present invention relates to a polyurethane composite system containing a rigid polyurethane foam and a coating agent made of a compact polyurethane or a compact polyurea, the rigid polyurethane foam containing a porous three-dimensional reinforcement agent, which forms a network enclosing at least 50% of the volume of the rigid polyurethane foam, or at least two layers of a porous, at least two-dimensional reinforcement agent. The invention further relates to a method for producing the polyurethane composite system, and to a piece of sports equipment, a cladding part or a piece of furniture containing a polyurethane composite system of this type.

    Retardantes de la llama que contienen fósforo

    公开(公告)号:ES2819373T3

    公开(公告)日:2021-04-15

    申请号:ES14717775

    申请日:2014-04-15

    Applicant: BASF SE

    Abstract: Poliol que contiene fósforo, que puede obtenerse u obtenido mediante un procedimiento que comprende la reacción de al menos un poliol con un compuesto que contiene fósforo de la fórmula general (I): **(Ver fórmula)** en la que X representa Cl, Br, I, alcoxilo o hidrógeno, Y representa O o S, t es 0 o 1, R1 y R2 representan independientemente alquilo C1-C16, alquenilo C2-C16, alquinilo C2-C16, alcoxilo C1-C16, alquenoxilo C2-C16, alquinoxilo C2-C16, cicloalquilo C3-C10, cicloalcoxilo C3-C10, arilo, ariloxilo, (aril C6-C10)- alquilo C1-C16, (aril C6-C10)-alcoxilo C1-C16, (alquil C1-C16)-arilo C6-C10, (alquil C1-C16)-ariloxilo C6-C10, en el que el poliol que contiene fósforo comprende al menos un grupo que contiene fósforo de la fórmula general (II): **(Ver fórmula)** en la que Y representa O o S, t es 0 o 1, R1 y R2 representan independientemente alquilo C1-C16, alquenilo C2-C16, alquinilo C2-C16, alcoxilo C1-C16, alquenoxilo C2-C16, alquinoxilo C2-C16, cicloalquilo C3-C10, cicloalcoxilo C3-C10, arilo, ariloxilo, (aril C6-C10)- alquilo C1-C16, (aril C6-C10)-alcoxilo C1-C16, (alquil C1-C16)-arilo C6-C10, (alquil C1-C16)-ariloxilo C6-C10, en el que el poliol se selecciona del grupo de los poliéter-polioles, poliéster-polioles y mezclas de los mismos, y en el que el contenido en fósforo del poliol que contiene fósforo es de al menos el 7% en peso, en el que el poliol que contiene fósforo tiene una funcionalidad OH de desde 2 hasta 4 y un peso molecular de desde 100 hasta 700 g/mol.

    POLYURETHANE COMPOSITE SYSTEM HAVING HIGH COMPRESSIVE STRENGTH AND RIGIDITY

    公开(公告)号:MY159951A

    公开(公告)日:2017-02-15

    申请号:MYPI2012002684

    申请日:2010-12-16

    Applicant: BASF SE

    Abstract: THE PRESENT INVENTION RELATES TO A POLYURETHANE COMPOSITE SYSTEM CONTAINING A RIGID POLYURETHANE FOAM AND A COATING AGENT MADE OF A COMPACT POLYURETHANE OR A COMPACT POLYUREA, THE RIGID POLYURETHANE FOAM CONTAINING A POROUS THREE-DIMENSIONAL REINFORCEMENT AGENT, WHICH FORMS A NETWORK ENCLOSING AT LEAST 50% OF THE VOLUME OF THE RIGID POLYURETHANE FOAM, OR AT LEAST TWO LAYERS OF A POROUS, AT LEAST TWO-DIMENSIONAL REINFORCEMENT AGENT. THE INVENTION FURTHER RELATES TO A METHOD FOR PRODUCING THE POLYURETHANE COMPOSITE SYSTEM, AND TO A PIECE OF SPORTS EQUIPMENT, A CLADDING PART OR A PIECE OF FURNITURE CONTAINING A POLYURETHANE COMPOSITE SYSTEM OF THIS TYPE.

    Polyurethane composite system having high compressive strength and rigidity

    公开(公告)号:AU2010332880B2

    公开(公告)日:2016-01-07

    申请号:AU2010332880

    申请日:2010-12-16

    Applicant: BASF SE

    Abstract: The present invention relates to a polyurethane composite system containing a rigid polyurethane foam and a coating agent made of a compact polyurethane or a compact polyurea, the rigid polyurethane foam containing a porous three-dimensional reinforcement agent, which forms a network enclosing at least 50% of the volume of the rigid polyurethane foam, or at least two layers of a porous, at least two-dimensional reinforcement agent. The invention further relates to a method for producing the polyurethane composite system, and to a piece of sports equipment, a cladding part or a piece of furniture containing a polyurethane composite system of this type.

    Poliolésteres a base de ácidos dicarboxílicos aromáticos

    公开(公告)号:ES2533978T3

    公开(公告)日:2015-04-16

    申请号:ES11788158

    申请日:2011-11-28

    Applicant: BASF SE

    Abstract: Polioléster que contiene el producto de esterificación de a. del 10 al 70 % en moles de una composición de ácido dicarboxílico que contiene a1) en del 50 al 100 % en moles, con respecto a la composición de ácido dicarboxílico a), un ácido dicarboxílico aromático o una mezcla de ácidos dicarboxílicos aromáticos, a2) en del 0 al 50 % en moles, con respecto a la composición de ácido dicarboxílico a), uno o varios ácidos dicarboxílicos alifáticos, b. del 2 al 30 % en moles de uno o varios ácidos grasos y/o derivados de ácidos grasos, c. del 10 al 70 % en moles de uno o varios dioles alifáticos o cicloalifáticos con 2 a 18 átomos de C o alcoxilatos de los mismos, d. del 2 al 50 % en moles de un poliéteralcohol con una funcionalidad mayor o igual a 2, preparado mediante alcoxilación de un poliol e) con una funcionalidad mayor o igual a 2, en el que se suman los % en moles de los componentes a) a d) hasta el 100 %, y en el que se hacen reaccionar por kg de polioléster al menos 500 mmol, preferentemente al menos 800 mmol de polioles d), caracterizado porque el poliéteralcohol d) con una funcionalidad mayor o igual a 2 se prepara mediante reacción de un poliol e) con una funcionalidad mayor o igual a 2 con óxido de etileno.

    Derivados de difosfinas como agentes retardadores de llama para poliuretanos

    公开(公告)号:ES2502544T3

    公开(公告)日:2014-10-03

    申请号:ES11702416

    申请日:2011-01-27

    Applicant: BASF SE

    Abstract: El uso de al menos una difosfina de fórmula (I),**Fórmula** en la que X es S u O; n es 0 ó 1; R1, R2, R3, R4 son independientemente alquilo C1-C10, hidroxialquilo C1-C10, alcoxi C1-C10, hidroxialcoxi C1-C10, cicloalquilo C3-C10, cicloalcoxi C3-C10, arilo C6-C10, aril C6-C10-oxi, aril C6-C10-alquilo C1-C4, aril C6-C10-alcoxi C1-C4, hidroxiarilo C6-C10, hidroxi-aril C6-C10-oxi, tio-alquilo C1-C10, tioarilo C6-C10 o tioalquil C1-C4-arilo C6-C10, NR5R6, COR2, COOR5 o CONR5R6; R5, R6 son H, alquilo C1-C10, cicloalquilo C3-C10, arilo C6-C10 o aril C1-C10-alquilo C1-C4, como un agente retardador de llama en un material de poliuretano.

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