中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

192 records (took 0.025 seconds)

    Método para producir espumas rígidas de poliuretano y espumas rígidas de poliisocianurato
    92.
    发明专利
    Método para producir espumas rígidas de poliuretano y espumas rígidas de poliisocianurato 未知

    公开(公告)号：ES2560968T3

    公开(公告)日：2016-02-23

    申请号：ES12809693

    申请日：2012-12-13

    Applicant: BASF SE

    Inventor： KAMPF GUNNAR

    IPC: C08G18/12 ,  C08G18/40 ,  C08G18/42 ,  C08G101/00 ,  C08J9/08

    Abstract: Método para producir espumas rígidas de poliuretano mediante reacción de A) al menos un poliisocianato, B) al menos un poliol de poliéter-éster que puede obtenerse mediante esterificación de b1) 10 a 70 % molar de una composición de ácido dicarboxílico que contiene b11) 50 a 100 % molar, respecto de la composición de ácido dicarboxílico, de uno o varios ácidos dicarboxílicos aromáticos o derivados de los mismos, b12) 0 a 50 % molar, respecto de la composición de ácido dicarboxílico b1), de uno o varios ácidos dicarboxílicos alifáticos o derivados de los mismos, b2) 2 a 30 % molar de uno o varios ácidos grasos o derivados de ácidos grasos, b3) 10 a 70 % molar de uno o varios dioles alifáticos o cicloalifáticos con 2 a 18 átomos de C o aniones alcoxi de los mismos, b4) 2 a 50 % molar de un poliol de poliéter con una funcionalidad mayor que o igual a 2 y un índice de OH de 300 a 1250 mg de KOH/g, producido mediante alcoxilación de un poliol con una funcionalidad mayor que 2, cada caso respecto de la cantidad total de los componentes b1) a b4), en cuyo caso los componentes b1) a b4) suman 100 % molar, C) opcionalmente otros polioles de poliéster que se diferencian de aquellos del componente B), D) al menos un poliol de poliéter, E) opcionalmente agentes ignífugos, F) uno o varios propelentes, G) catalizadores, y H) opcionalmente otros adyuvantes o aditivos, en cuyo caso la proporción de masa de la suma de los componentes B) y opcionalmente C) al componente D) es de al menos 7.

    METHOD FOR PRODUCING POLYURETHANE HARD FOAMS AND POLYISOCYANURATE HARD FOAMS
    95.
    发明专利
    METHOD FOR PRODUCING POLYURETHANE HARD FOAMS AND POLYISOCYANURATE HARD FOAMS 未知

    公开(公告)号：ZA201405619B

    公开(公告)日：2015-12-23

    申请号：ZA201405619

    申请日：2014-07-30

    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.

    PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS
    96.
    发明专利
    PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS 未知

    公开(公告)号：ZA201308560B

    公开(公告)日：2015-12-23

    申请号：ZA201308560

    申请日：2013-11-12

    Applicant: BASF SE

    Inventor： TOMOVIC ZELJKO ,  KAMPF GUNNAR ,  JACOBMEIER OLAF

    Abstract: A process for producing rigid polyurethane foams by reacting a) organic polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, d) catalysts and, if appropriate, e) auxiliaries and additives, wherein a mixture of b1) from 20 to 60 parts by weight of one or more high-functionality polyether alcohols having functionalities of from 3.5 to 5.5 and a hydroxyl number of from 400 to 550 mg KOH/g, b2) from 1 to 20 parts by weight of one or more polyether alcohols based on aliphatic amines and having functionalities of from 3.5 to 4.5 and a hydroxyl number of from 450 to 900 mg KOH/g, b3) from 10 to 30 parts by weight of one or more polyether alcohols and/or aromatic polyester alcohols having functionalities of from 1.5 to 3 and a hydroxyl number of from 150 to 450 mg KOH/g, and b4) optionally from 1 to 5 parts by weight of water is used as polyol component b). The polyol component b) of the invention has good storage stability and the rigid polyurethane foams obtained have a good surface quality, curing and adhesion.

    Process for producing rigid polyurethane foams
    97.
    发明专利
    Process for producing rigid polyurethane foams 未知

    公开(公告)号：AU2012241832B2

    公开(公告)日：2015-09-17

    申请号：AU2012241832

    申请日：2012-04-12

    Applicant: BASF SE

    Inventor： TOMOVIC ZELJKO ,  JACOBMEIER OLAF ,  KAMPF GUNNAR

    IPC: C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G101/00

    Abstract: A process for producing rigid polyurethane foams by reacting a) organic polyisocyanates with b) compounds having at least two hydrogen atoms which are reactive toward isocyanate groups in the presence of c) blowing agents, d) catalysts and optionally, e) auxiliaries and additives, wherein a mixture of b1) from 20 to 60 parts by weight of one or more high-functionality polyether alcohols having functionalities of from 3.5 to 5.5 and a hydroxyl number of from 400 to 550 mg KOH/g, b2) from 5 to 25 parts by weight of one or more polyether alcohols based on aromatic and/or aliphatic amines and having functionalities of from 3.5 to 4.5 and a hydroxyl number of from 350 to 500 mg KOH/g, b3) from 5 to 25 parts by weight of one or more polyether alcohols having functionalities of from 2 to 4 and a hydroxyl number of from 150 to 450 mg KOH/g b4) from 1 to 15 parts by weight of one or more low molecular weight chain extenders and/or crosslinkers having functionalities of from 2 to 3 and a molecular weight Mw of

    Espuma rígida de PU con baja conductividad térmica y buena estabilidad térmica
    98.
    发明专利
    Espuma rígida de PU con baja conductividad térmica y buena estabilidad térmica 未知

    公开(公告)号：ES2543311T3

    公开(公告)日：2015-08-18

    申请号：ES12709885

    申请日：2012-03-21

    Applicant: BASF SE

    Inventor： TOMASI GIANPAOLO ,  GRIESER-SCHMITZ CHRISTOF ,  WINDELER LUDWIG ,  ELLERSIEK CARSTEN ,  KAMPF GUNNAR

    IPC: C08G18/18 ,  C08G18/40 ,  C08G18/48

    Abstract: Espuma de poliuretano obtenible mediante reacción de (A) al menos un polieterpoliol como componente (A) basado en al menos un compuesto seleccionado del grupo compuesto por trimetilolpropano, glicerina, pentaeritrita, compuestos de azúcar como por ejemplo glucosa, sorbita, manita y sacarosa y mezclas de los mismos, (B) al menos un polieterpoliol basado en al menos una amina como componente (B), (C) al menos un poliesterpoliol como componente (C) y (D) al menos un poliisocianato como componente (D), en presencia de al menos un catalizador seleccionado del grupo compuesto por sales de ácidos carboxílicos de 1 a 20 átomos de carbono, compuestos que contienen amina y mezclas de los mismos como componente (E) y al menos un propelente como componente (F), ascendiendo la relación de grupos OCN a grupos OH (índice ISO) a 145 a 165.

    Method for producing rigid polyurethane foams
    100.
    发明专利
    Method for producing rigid polyurethane foams 未知

    公开(公告)号：AU2010224939B2

    公开(公告)日：2015-05-14

    申请号：AU2010224939

    申请日：2010-03-16

    Applicant: BASF SE

    Inventor： TOMOVIC ZELJKO ,  JACOBMEIER OLAF ,  HENSIEK RAINER ,  KAMPF GUNNAR

    IPC: C08G18/36 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14

    Abstract: The invention relates to a method for producing rigid polyurethane foams, wherein a mixture of one or more highly functional polyether alcohols having functionalities of (3.5) to (5.5) and a hydroxyl value of (350) to (550) mg KOH/g, one or more polyether alcohols based on aliphatic and/or aromatic amines having functionalities of (3) to (4) and a hydroxyl value of (150) to (800) mg KOH/g, a fatty acid ester containing OH groups, and optionally one or more low-molecular-weight chain extenders and/or cross-linking agents having functionalities of (2) to (3) and a molecular weight M

Patent Agency Ranking