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    PROCEDIMIENTO PARA LA OBTENCION DE PLASTICOS CELULARES RIGIDOS DE POLIURETANO CON UNA DENSIDAD BRUTA REDUCIDA.
    12.
    发明专利
    PROCEDIMIENTO PARA LA OBTENCION DE PLASTICOS CELULARES RIGIDOS DE POLIURETANO CON UNA DENSIDAD BRUTA REDUCIDA. 未知

    公开(公告)号：ES2227734T3

    公开(公告)日：2005-04-01

    申请号：ES98103629

    申请日：1998-03-02

    Applicant: BASF AG

    Inventor： KNORR GOTTFRIED DR ,  ROTERMUND UDO DR ,  BAUM EVA ,  SEIFERT HOLGER DR ,  WIEGMANN WERNER

    IPC: C08J9/08 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14

    Abstract: ES OBJETO DE LA PRESENTE INVENCION UN PROCEDIMIENTO PARA LA PRODUCCION DE ESPUMAS RIGIDAS DE POLIURETANO CON MENOR DENSIDAD APARENTE MEDIANTE LA REACCION DE A) POLIISOCIANATOS ORGANICOS Y/O MODIFICADOS CON B) AL MENOS UN COMPUESTO DE ELEVADO PESO MOLECULAR CON AL MENOS DOS ATOMOS DE HIDROGENO REACTIVOS Y OPCIONALMENTE, C) ALARGADORES DE CADENA DE BAJO PESO MOLECULAR Y/O RETICULANTES EN PRESENCIA DE D) POROGENOS, E) CATALIZADORES, ASI COMO OPCIONALMENTE F)) OTROS COADYUVANTES Y/O ADITIVOS, QUE SE CARACTERIZA PORQUE COMO POROGENO SE UTILIZA D) UNA MEZCLA DE CICLOPENTANO, AL MENOS UN COMPUESTO QUE SE PUEDA MEZCLAR DE FORMA HOMOGENEA CON CICLOPENTANO DEL GRUPO DE LOS ALCANOS Y/O ALQUENOS CON 3 O 4 ATOMOS DE CARBONO EN LA MOLECULA Y EL DIOXIDO DE CARBONO ORIGINADO A PARTIR DEL AGUA Y DEL ISOCIANATO Y COMO COMPUESTO DE ELEVADO PESO MOLECULAR POLIETERES AROMATICOS Y CON NITROGENO CON AL MENOS DOS ATOMOS DE HIDROGENO REACTIVOS (B). ASIMISMO ES OBJETO DE LA INVENCION EL USO DE LAS ESPUMAS RIGIDAS ASI PRODUCIDAS COMO MATERIAL AISLANTE.

    13.
    发明专利
    未知

    公开(公告)号：DE19802547A1

    公开(公告)日：1999-07-29

    申请号：DE19802547

    申请日：1998-01-23

    Applicant: BASF AG

    Inventor： GRAF HERMANN DR ,  ROTERMUND UDO DR ,  MOHRHARDT GUENTER

    IPC: C07D233/78 ,  C08G18/40 ,  C08G18/62 ,  C08G18/66 ,  C08G18/78 ,  C07F9/6571 ,  C08G18/32 ,  C08G18/42 ,  C09D175/04 ,  C09D133/08 ,  C08L75/04 ,  C08J5/00 ,  C08J5/18 ,  D01F6/70

    Abstract: Diisocyanates with hydantoin groups, obtained by reacting special phospholenes with diisocyanates. Diisocyanates of formula (I) are new. R = 1-10C hydrocarbyl; R = 1-12C hydrocarbylene; and n = 1-10. Independent claims are also included for (a) the production of (I) by reacting phospholenes of formula (II) with diisocyanates of formula (III), possibly with complete removal of the resulting phosphate of formula (IV) from the reaction mixture; (b) compositions containing diisocyanates (I) and (III), as obtained by this process; (c) polyurethanes containing diisocyanates (I) and/or compositions (b) together with polyols (diols) with at least two reactive hydrogens or acrylic resins with at least two hydroxyl groups and a molecular weight of 300-20000; and (d) fibers, film, foam, molding materials, coatings and varnishes containing these polyurethanes. R = 1-10C hydrocarbyl.

    16.
    发明专利
    未知

    公开(公告)号：DE59912877D1

    公开(公告)日：2006-01-12

    申请号：DE59912877

    申请日：1999-04-12

    Applicant: BASF AG

    Inventor： ROTERMUND UDO DR ,  KNORR GOTTFRIED DR ,  HAYAMA YOSHIHIKO ,  HOLLE JOACHIM ,  SEIFERT HOLGER DR

    IPC: C08G18/18 ,  C08G18/40 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14 ,  C08L75/04 ,  F25D23/08

    Abstract: In the production of rigid polyurethane foam by reacting (a) (modified) organic polyisocyanates with (b) compound(s) of mol. wt. over 400 containing NOTLESS 2 reactive H atoms and optionally (c) H-functional low-molecular chain extenders and/or crosslinking agents of mol. wt. less than 400 in the presence of (d) blowing agents, (e) catalysts and optionally (f) additives, component (b) contains (cyclo)alkyl-, aralkyl-, benzyl- and/or aryl-(alkoxy)alkanol(s) (I). In the production of rigid polyurethane (PUR) foam with low thermal conductivity by reacting: (a) organic and/or modified organic polyisocyanates with (b) compound(s) containing NOTLESS 2 reactive hydrogen (H) atoms and having a molecular weight of over 400 g/mole and optionally (c) H-functional low-molecular chain extenders and/or crosslinking agents of molecular weight less than 400 g/mole in the presence of (d) blowing agents, (e) catalysts and optionally (f) additives component (b) contains (cyclo)alkyl-, aralkyl-, benzyl- and/or aryl-(alkoxy)alkanol(s) of formula (I). R, R' = (m)ethyl, 3-6 carbon (C) alkyl or hydrogen (H); R' may also = benzyl; n = 0-4; m, o = 1-3; X = n-, iso-, neo- or cycloalkyl, aralkyl, benzyl or aryl; and m + o = 4. An Independent claim is also included for the use of compounds (I) in the production of rigid PUR foam with reduced thermal conductivity.

    17.
    发明专利
    未知

    公开(公告)号：AT290558T

    公开(公告)日：2005-03-15

    申请号：AT98117895

    申请日：1998-09-22

    Applicant: BASF AG

    Inventor： ROTERMUND UDO DR ,  BIEDERMANN ANJA ,  HEMPEL RENATE ,  WIEGMANN WERNER ,  HEINZ MARION

    IPC: C08J3/02 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G101/00 ,  C08J9/12 ,  C08J9/14 ,  C08L75/04

    Abstract: Emulsions containing polyether alcohols are used in the production of hard foams based on isocyanates to improve the temperature stability of the foams. Storage-stable halogen-free emulsions used in the production of hard foams based on isocyanates contain: (a) compounds containing hydrogen atoms reactive towards isocyanate groups; (b) water; (c) halogen-free propellants; and optionally (d) usual auxiliary aids and/or additives. (a) is used in an amount of 0.2-80 wt.% and has a functionality of more than 1.5, and an OH number of 10-100 mg KOH/g. (c) consists of 3-10 C hydrocarbons. Independent claims are also included for: (1) the production of the hard foams described; (2) the foams, and (3) the use of the polyether alcohols described.

    18.
    发明专利
    未知

    公开(公告)号：AT276307T

    公开(公告)日：2004-10-15

    申请号：AT98103629

    申请日：1998-03-02

    Applicant: BASF AG

    Inventor： KNORR GOTTFRIED DR ,  ROTERMUND UDO DR ,  BAUM EVA ,  SEIFERT HOLGER DR ,  WIEGMANN WERNER

    IPC: C08J9/08 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08J9/14 ,  C08G101/00 ,  C08L75/12

    Abstract: The production of rigid polyurethane (PUR) foam with a low bulk density (I) comprises reacting (a) polyisocyanates and/or modified polyisocyanates with (b) high-mol. wt. compound(s) with at least two reactive hydrogens and optionally (c) low-mol. wt. chain-extenders and/or crosslinkers in presence of (d) blowing agents, (e) catalysts and optionally (f) other additives etc. Component (d) consists of a mixture of (d-1) cyclopentane, (d-2) at least one 3-4C alkane and/or alkene which forms a homogeneous mixture with cyclopentane and (d-3) the carbon dioxide from the reaction of water and isocyanate. Component (b) comprises aromatic nitrogen-containing polyethers.

    19.
    发明专利
    未知

    公开(公告)号：DE59909371D1

    公开(公告)日：2004-06-09

    申请号：DE59909371

    申请日：1999-05-21

    Applicant: BASF AG

    Inventor： BIEDERMANN ANJA DR ,  HEMPEL RENATE ,  ROTERMUND UDO DR ,  SCHILLING UDO ,  SCHLEGEL KARL DR

    IPC: B32B5/18 ,  C08G18/48 ,  E04C2/292 ,  E04C2/296 ,  F16L9/147 ,  F16L59/14

    Abstract: In a composite element comprising layers of (i) polyisocyanate poly-addition product (PU), (ii) optionally at least one plastic, (iii) a gas permeation barrier and (iv) at least one thermoplastic, layers (iii) and (iv) are bonded together by melting a layer (iiia) between them. Independent claims are also included for: (a) sandwich elements with the following layers: (iv) 1-25 mm thermoplastic, (iii) 0.1-200 micro m metal foil coated on the opposite side from (i) and (ii) with 20-500 micro m thermoplastic (iiia) which is melted to bond (iii) with (iv), (ii) optionally 5-1000 micro m plastic, (i) 0.5-80 cm PU and then layers (ii), (iii) and (iv) as above; (b) tubes with the following layers: (iv) as above and/or metal as inner tube, (i), (ii), (iii) as above and (iv) (above) as an outer tube; (c) tubes with the following layers: (iv) plastic as above and/or metal as inner tube, (iii), (ii), (i), (ii), (iii) as above and (iv) plastic (above) as an outer tube; (d) the production of composite elements by reacting isocyanates with NCO-reactive compounds in the presence of blowing agents and optionally catalysts and other additives etc. in a reaction space bounded by layers (ii) (optional), (iii) gas barrier material, (iiia) 20-500 micro m thermoplastic and (iv) 1-25 mm thermoplastic(s), so that layer (iiia) is melted by the heat of reaction and binds layers (iii) and (iv) together after cooling; and (e) composite elements obtained by (d).

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