METHOD FOR PRODUCING POLYURETHANE-RIGID FOAMS AND POLYISOCYANURATE RIGID FOAMS

    公开(公告)号:CA2868194A1

    公开(公告)日:2013-09-26

    申请号:CA2868194

    申请日:2013-03-19

    Applicant: BASF SE

    Inventor: KAMPF GUNNAR

    Abstract: The invention relates to a method for producing polyurethane rigid foams or polyisocyanurate rigid foams by reacting at least one polyisocyanate A), polyether ester polyols b) based on aromatic dicarboxylic acids which can be obtained by esterification of b1) 10 to 70 mol-% of a dicarboxylic acid composition, comprising b11) 50 to 100 mol %, based on the dicarboxylic acid composition, of one or more aromatic dicarboxylic acids or derivatives thereof, b12) 0 to 50 mol %, based on the dicarboxylic acid composition b1), of one or more aliphatic dicarboxylic acids or derivatives thereof, b2) 2 to 30 mol-% of one or more fatty acids and/or fatty acid derivatives, b3) 10 to 70 mol-% of one or more aliphatic or cycloaliphatic diols with 2 to 18 C-atoms or alkoxylates thereof, b4) 2 to 50 mol % of a polyether polyol having a functionality greater than or equal to 2, produced by alkoxylation of a polyol having a functionality greater than or equal to 2 in the presence of an amine as a catalyst, optionally additional polyester polyols C), which are different from that of components B), and at least one polyether polyol D), wherein the mass ratio of the sum of the components B) and optionally C) to component D) is at least 7. The invention also relates to the resulting hard foams and to the use thereof for the production of sandwich elements with rigid or flexible cover layers. The invention further relates to the underlying polyol components.

    PRODUCING RIGID POLYURETHANE FOAMS AND RIGID POLYISOCYANURATE FOAMS

    公开(公告)号:CA2862774A1

    公开(公告)日:2013-07-11

    申请号:CA2862774

    申请日:2012-12-13

    Applicant: BASF SE

    Inventor: KAMPF GUNNAR

    Abstract: The invention relates to a method for producing polyurethane hard foams or polyisocyanurate hard foams by reacting at least one polyisocyanate A), polyether ester polyols B) based on aromatic dicarboxylic acids obtainable by esterification of b1) 10 to 70 mol% of a dicarboxylic acid composition containing b11) 50 to 100 mol%, in relation to the dicarboxylic acid composition, of one or a more aromatic dicarboxylic acids or derivatives thereof, b12) 0 to 50 mol%, in relation to the dicarboxylic acid composition b1), of one or a more aliphatic dicarboxylic acids or derivatives thereof, b2) 2 to 30 mol% of one or more fatty acids and/or fatty acid derivatives, b3) 10 to 70 mol% of one or more aliphatic or cycloaliphatic diols having 2 to 18 C atoms or alkoxylates of the same, b4) 2 to 50 mol% of a polyether polyol having a functionality greater than or equal to 2, produced by alkoxylation of a polyol having a functionality greater than 2, where necessary further polyester polyols C), which differ from those of component B), and at least one polyether polyol D), wherein the mass ratio of the sum of components B) and, where applicable, C) to component D) is at least 7. The invention also relates to the hard foams obtainable in said manner and to the use thereof for producing sandwich elements having rigid or flexible covering layers. The invention further relates to the basic polyol components.

    METODO PARA PRODUCIR ESPUMAS DE POLIURETANO RIGIDAS.

    公开(公告)号:MX2011009801A

    公开(公告)日:2011-11-04

    申请号:MX2011009801

    申请日:2010-03-16

    Applicant: BASF SE

    Abstract: La invención se refiere a un método para producir espumas de poliuretano rígidas, en donde una mezcla de uno o más alcoholes de poliéter altamente funcional que tienen funcionalidades de (3.5) a (5.5) y un valor hidroxilo de (350) a (550) mg KOH/g, uno o más alcoholes de poliéter basados en aminas alifáticas y/o aromáticas que tienen funcionalidades de (3) a (4) y un valor hidroxilo de (150) a (800) mg KOH/g, un éster de ácido graso que contiene grupos OH y opcionalmente uno más extendedorés de cadena de peso molecular bajo y/o agentes de entrelazamiento que tienen funcionalidades de (2) a (3) y un peso molecular Mw

    POLIOLES DE POLIESTERES BASADOS EN ACIDO TEREFTALICO.

    公开(公告)号:MX2011003903A

    公开(公告)日:2011-04-28

    申请号:MX2011003903

    申请日:2009-10-13

    Applicant: BASF SE

    Abstract: El poliol de poliéster que contiene el producto de esterificación de a) 10 a 70% mol de una composición de ácido dicarboxílico que contiene a1) desde 50 hasta 100% mol de un material basado en ácido tereftálico seleccionado de ácido tereftálico, dimetil tereftalato y polialquilentereftalato y mezclas de los mismos, a2) 0 a 50% mol de ácido ftálico, anhídrido del ácido ftálico o ácido isoftálico, a3) 0 a 50% mol de uno o más ácidos dicarboxílicos, b) 2 a 30% mol de uno o más ácidos grasos y/o derivados de ácidos grasos y/o ácido benzoico, c) 10 a 70% mol de uno o más dioles alifáticos o cicloalifáticos con 2 a 18 átomos de C o alcoxilatos de los mismos, d) 2 a 50% mol de un poliol altamente funcional seleccionado del grupo que consiste de glicerina, glicerina alcoxilada, trimetilol propano, trimetilol propano alcoxilado, pentaeritritol y pentaeritritol alcoxilado, en donde al menos 200 mmol, preferiblemente al menos 500 mmol y especialmente preferido al menos 800 mmol de los polioles d) con una funcionalidad de OH de = 2.9 se convierten por kg de poliol de poliéster.

    POLYESTER POLYOLS BASED ON TEREPHTHALIC ACID

    公开(公告)号:CA2739845A1

    公开(公告)日:2010-04-22

    申请号:CA2739845

    申请日:2009-10-13

    Applicant: BASF SE

    Abstract: Polyester polyol containing the esterification product of a) 10 to 70 mol-% of a dicarboxylic acid composition containing a1) from 50 to 100 mol-% of a terephthalic acid-based material selected from terephthalic acid, dimethyl terephthalate and polyalkylene terephthalate and mixtures thereof, a2) 0 to 50 mol-% of phthalic acid, phthalic acid anhydride or isophthalic acid, a3) 0 to 50 mol-% of one or more dicarboxylic acids, b) 2 to 30 mol-% of one or more fatty acids and/or fatty acid derivatives and/or benzoic acid, c) 10 to 70 mol-% of one or more aliphatic or cycloaliphatic diols with 2 to 18 C atoms or alkoxylates thereof, d) 2 to 50 mol-% of a highly functional polyol selected from the group consisting of glycerin, alkoxylated glycerin, trimethylol propane, alkoxylated trimethylol propane, pentaerythritol and alkoxylated pentaerythritol, wherein at least 200 mmol, preferably at least 500 mmol and especially preferred at least 800 mmol of polyols d) with an OH functionality of = 2.9 are converted per kg of polyester polyol.

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