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    Multilayer lignocellulose-containing moldings having low formaldehyde emission
    21.
    发明专利
    Multilayer lignocellulose-containing moldings having low formaldehyde emission 未知

    公开(公告)号：NZ607832A

    公开(公告)日：2014-06-27

    申请号：NZ60783211

    申请日：2011-08-29

    Applicant: BASF SE

    Inventor： ROSCHMANN KONRAD ,  SCHMIDT MICHAEL ,  FINKENAUER MICHAEL ,  KALBE MICHAEL ,  WEINKÖTZ STEPHAN ,  KÄSMAYR DANIEL

    IPC: C08L97/02 ,  C08L33/02 ,  C09J133/02

    Abstract: Disclosed herein is a multilayer lignocellulose-containing molding comprising A) a middle layer or a plurality of middle layers comprising lignocellulose-containing particles which is/are obtainable by using a binder (a) and B) a covering layer or a plurality of covering layers comprising lignocellulose-containing particles which is/are obtainable by using a binder (b), the binder (a) being selected from the group consisting of (a1) formaldehyde resins and (a2) an organic isocyanate having at least two isocyanate groups; the binder (b) comprising the following components: an aqueous component (I) comprising (i) a polymer A which is composed of the following monomers: a) from 70 to 100% by weight of at least one ethylenically unsaturated mono- and/or dicarboxylic acid (monomer(s) A1) and b) from 0 to 30% by weight of at least one further ethylenically unsaturated monomer which differs from the monomers A1 (monomer(s) A2) optionally (ii) a low molecular weight crosslinking agent having at least two functional groups which are selected from the group consisting of hydroxyl, carboxyl and derivatives thereof, primary, secondary and tertiary amine, epoxy, aldehyde, an organic isocyanate having at least two isocyanate groups as component (II) and, optionally, a component (III), as an aqueous dispersion, comprising one or more polymer(s) M which is/are composed of the following monomers: a) from 0 to 50% by weight of at least one ethylenically unsaturated monomer which comprises at least one epoxide and/or at least one hydroxyalkyl group (monomer(s) M1) and b) from 50 to 100% by weight of at least one further ethylenically unsaturated monomer which differs from the monomers M1 (monomer(s) M2) and, optionally, customary additives as component (IV), and the binder (b) optionally comprises a formaldehyde scavenger.

    22.
    发明专利
    未知

    公开(公告)号：BRPI0716858A2

    公开(公告)日：2013-10-01

    申请号：BRPI0716858

    申请日：2007-09-18

    Applicant: BASF SE

    Inventor： ROSCHMANN KONRAD ,  FISCHER GERHARD

    IPC: C09D7/00 ,  C09D133/00

    Abstract: The present invention relates to the use in coating compositions of polymer dispersions comprising polymer particles having differently crosslinked regions intraparticulately.

    Multi-layer molded body containing lignocellulose and having low formaldehyde emission
    23.
    发明专利
    Multi-layer molded body containing lignocellulose and having low formaldehyde emission 未知

    公开(公告)号：AU2011343336A1

    公开(公告)日：2013-07-11

    申请号：AU2011343336

    申请日：2011-12-14

    Applicant: BASF SE

    Inventor： KASMAYR DANIEL ,  ROSCHMANN KONRAD ,  SCHMIDT MICHAEL ,  FINKENAUER MICHAEL ,  KALBE MICHAEL ,  WEINKOTZ STEPHAN

    IPC: B27N1/00 ,  B27N3/02 ,  B32B21/08

    Abstract: The invention relates to a multi-layer molded body that contains lignocellulose, comprising A) a middle layer or a plurality of middle layers, which contain(s) particles that contain lignocellulose and which can be obtained by using a binder (a), and B) an outer layer or a plurality of outer layers, which contain(s) particles that contain lignocellulose and which can be obtained by using a binder (b), wherein the binder (a) is selected from the group comprising (a1) formaldehyde resins and (a2) an organic isocyanate having at least two isocyanate groups; wherein the binder (b) contains the following components: an aqueous component (I) containing (i) a polymer A, which is constructed from the following monomers: a) 70 to 100 wt % of at least one ethylenically unsaturated monocarboxylic acid and/or dicarboxylic acid (monomer(s) A1) and b) 0 to 30 wt % of at least one additional ethylenically unsaturated monomer that differs from the monomers A1 (monomer(s) A2), possibly (ii) a low-molecular-weight cross-linking agent having at least two functional groups, which are selected from the group comprising hydroxy, carboxylic acid and derivatives thereof, primary, secondary, and tertiary amine, epoxy, and aldehyde, an organic isocyanate having at least two isocyanate groups as component (II), and possibly a component (III) as an aqueous dispersion containing one or more polymers M, which are constructed from the following monomers: a) 0 to 50 wt % of at least one ethylenically unsaturated monomer that contains at least one epoxide group and/or at least one hydroxyalkyl group (monomer(s) M1), and b) 50 to 100 wt % of at least one additional ethylenically unsaturated monomer that differs from the monomers M1 (monomer(s) M2), and possibly common additives as component (IV), and wherein at least one middle layer (A) contains expanded plastic particles and possibly at least one outer layer B) contains expanded plastic particles, and the binder (b) possibly contains a formaldehyde scavenger.

    BINDER COMPOSITIONS COMPRISING BORIC ACID OR BORIC ACID SALT
    24.
    发明专利
    BINDER COMPOSITIONS COMPRISING BORIC ACID OR BORIC ACID SALT 未知

    公开(公告)号：CA2746600A1

    公开(公告)日：2010-07-01

    申请号：CA2746600

    申请日：2009-12-21

    Applicant: BASF SE

    Inventor： TERRENOIRE ALEXANDRE ,  REINHOLD FRANK ,  AMTHOR STEPHAN ,  GROS MICHAEL ,  ROSCHMANN KONRAD ,  BECKER STEFAN ,  VYAKARANAM KAMESH ,  HARTIG JENS

    IPC: C08F2/22 ,  C08F220/18 ,  C08K3/38 ,  C09D133/00 ,  C09J133/00

    Abstract: The present invention relates to polymer dispersion-based binder compositions comprising boric acid or salts of boric acid as cross-linking agents, to a method for the production thereof and to use thereof. The aqueous binder composition comprises: a) a water-insoluble polymer (P) in the form of dispersed polymer particles with a glass transition temperature in the range of -50°C to 50°C, obtained through radical polymerization of ethylenically unsaturated monomers M, wherein the monomers M contain: 80 to 99.9 wt %, relative to the total amount of monomers M, of at least one slightly soluble neutral monoethylenically unsaturated monomer M1; and 0.1 to 20 wt %, relative to the total amount of monomers M, of at least one monoethylenically unsaturated monomer M2 that contains at least one carboxyl group and/or at least one carboxylic acid amide group (CONH2); and b) boric acid and/or at least one salt of boric acid.

    PROCEDIMIENTO PARA LA ELABORACION DE POLIMEROS DE EMULSION.
    25.
    发明专利
    PROCEDIMIENTO PARA LA ELABORACION DE POLIMEROS DE EMULSION. 未知

    公开(公告)号：ES2323549T3

    公开(公告)日：2009-07-20

    申请号：ES06764116

    申请日：2006-07-10

    Applicant: BASF SE

    Inventor： ROSCHMANN KONRAD ,  TUCHBREITER ARNO ,  JAHNS EKKEHARD ,  LEUNINGER JORG ,  SCHULER BERNHARD ,  WAGNER OLIVER

    IPC: C08F285/00 ,  C08F2/22 ,  C08F265/04

    Abstract: Procedimiento para la elaboración de partículas de polímero de emulsión mediante elaboración de un polímero de emulsión multietapa por polimerización secuencial i) de una semilla, y ii) de una semilla de hinchamiento conteniendo del 0 al 100% en peso de al menos un monómero no-iónico etilénicamente insaturado y del 0 al 40% en peso de al menos un monómero hidrófilo monoetilénicamente insaturado, en cada caso, relativo al peso total del polímero por etapas del núcleo, que comprende tanto la semilla como la semilla de hinchamiento, posterior polimerización iii) de una primera corteza conteniendo del 85 al 99,9% en peso de al menos un monómero no-iónico etilénicamente insaturado y del 0,1 al 15% en peso de al menos un monómero hidrófilo monoetilénicamente insaturado, posterior polimerización iv) de una segunda corteza conteniendo del 85 al 99,9% en peso de al menos un monómero no-iónico etilénicamente insaturado y del 0,1 al 15% en peso de al menos un monómero hidrófilo monoetilénicamente insaturado, posterior adición v) de al menos un monómero plastificante con una temperatura de polimerización crítica inferior a 181ºC preferentemente inferior a 95ºC vi) neutralización hasta un valor del pH de al menos 7,5 o mayor, preferentemente mayor que 8, de las partículas así formadas con una base, posterior polimerización vii) de una tercera corteza conteniendo del 90 al 99,9% en peso de al menos un monómero no-iónico etilénicamente insaturado y del 0,1 al 10% en peso de al menos un monómero hidrófilo monoetilénicamente insaturado viii) así como, si fuera necesario, polimerización de otras cortezas conteniendo al menos un monómero no-iónico etilénicamente insaturado y al menos un monómero hidrófilo monoetilénicamente insaturado.

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