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    61.
    发明专利
    未知

    公开(公告)号：NO330870B1

    公开(公告)日：2011-08-01

    申请号：NO20010041

    申请日：2001-01-04

    Applicant: BASF AG

    Inventor： WISTUBA ECKEHARDT ,  SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  DENU HANS-JUERGEN

    IPC: C04B41/61 ,  C04B24/26 ,  C04B40/00 ,  C04B41/65 ,  E04D1/04 ,  E04D13/00

    Abstract: The use of an aqueous polymer dispersion for modifying cement bonded mineral coatings for concrete mold bodies. The polymer comprises: (A) a polymer P in the form of ethylenic unsaturated polymer particles with a glass transition temperature of -20 - + 80 C; and (B) an emulsifier for stabilizing the polymer particles. (A) comprises: (i) 90 - 99.9 wt. % hydrophobic, monoethylenic unsaturated monomer(s) (M1) from styrene, butadiene, 1 - 4 C alkylester of methacrylic acid and 2 - 12 C alkylester of acrylic acid; and (ii) 0.1 - 10 wt. % hydrophilic, monoethylenic unsaturated monomer (M2) comprising up to 2 wt. %, based on the total amount of monomer of a monoethylenic unsaturated monomer(s) containing an acid group (M2a) and/or up to 10 weight. % thereof different hydrophilic monomer (M2b). (B) comprises: (a) the salt of a sulfuric acid half ester of an alkoxylated alcohol, containing a 4 - 20 C alkyl chain(s) (salt a); and (b) an alkoxylated alcohol containing a 4 - 20 C alkyl chain(s) (compound b). An independent claim is also included for the preparation of a mineral coated concrete roofing slabs, comprising: (i) conventional manufacture of the uncoated roofing slabs blank; (ii) application to the damp blank of a cement bonded mineral mixture comprising the novel aqueous polymer dispersion, inorganic pigment dye, conventional additives, cement and water; and (iii) removal of the roofing product.

    62.
    发明专利
    未知

    公开(公告)号：DE59912421D1

    公开(公告)日：2005-09-22

    申请号：DE59912421

    申请日：1999-07-27

    Applicant: BASF AG

    Inventor： SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  WIESE HARM ,  HUEMMER WOLFGANG

    IPC: C04B41/48 ,  C04B41/63 ,  C08F2/26 ,  C09D5/00 ,  C09D7/12 ,  C09D157/00 ,  C09K23/00 ,  C09K23/04 ,  B01F17/00

    Abstract: A method of coating a mineral molding includes applying at least one aqueous preparation to at least one surface of the molding, the aqueous preparation including:(i) as film-forming constituent at least one polymer P which is composed of ethylenically unsaturated monomers M and which is present in dispersed form in the aqueous phase of the aqueous preparation and which has a glass transition temperature TG in the range from -25 to +80° C.;(ii) at least one anionic emulsifier selected from the group consisting of (a), (b), and (c):(a) salts of formula I: whereinAlk is linear or branched, saturated alkyl having from 10 to 18 carbon atoms,Et is 1,2-ethylene,n is an integer from 25 to 40, andM+ is a monovalent cation or a cation equivalent,(b) mixtures of salts of formula I; and(c) mixtures of salts of formula I with other anionic emulsifiers, wherein the salts of formula I make up at least 80% by weight of the anionic emulsifiers; and(iii) at least one nonionic emulsifier.

    63.
    发明专利
    未知

    公开(公告)号：NO319749B1

    公开(公告)日：2005-09-12

    申请号：NO985213

    申请日：1998-11-09

    Applicant: BASF AG

    Inventor： SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  ZHAO CHENG-LI ,  WIESE HARM ,  HUEMMER WOLFGANG

    IPC: C04B41/48 ,  C04B41/63 ,  C08F20/12 ,  C09D133/06 ,  C09D201/02

    Abstract: An aqueous composition (I) containing a copolymer (II), formed of ethylenically unsaturated monomers, as a film forming component, is used for coating mineral based molded articles. The copolymer (II) has a glass transition temperature of 25-80 degrees C and the monomer contains 0.2-5.0 wt.% itaconic acid. Independent claims are included for: (i) the production of coated, mineral molded articles by application of (I) onto at least one surface of the article and drying; and (ii) the resulting coated, molded article.

    65.
    发明专利
    未知

    公开(公告)号：NO20030986D0

    公开(公告)日：2003-03-03

    申请号：NO20030986

    申请日：2003-03-03

    Applicant: BASF AG

    Inventor： SANDOR MARIO ,  SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  WIESE HARM

    IPC: C04B41/48 ,  C04B41/50 ,  C04B41/52 ,  C04B41/68 ,  C04B41/70 ,  C04B

    Abstract: Moldings comprise a base element consisting of a cement-bound mineral material, which may be modified with polymers, and a mineral coating present on at least one of the main surfaces of the base element and comprising a polymer-modified mineral material which contains at least one clay mineral as the main component and at least one film-forming, hydrophobic polymer distributed in the mineral material.

    66.
    发明专利
    未知

    公开(公告)号：NO20010041L

    公开(公告)日：2001-07-09

    申请号：NO20010041

    申请日：2001-01-04

    Applicant: BASF AG

    Inventor： SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  DENU HANS-JUERGEN ,  WISTUBA ECKEHARDT

    IPC: C04B24/26 ,  C04B40/00 ,  E04D1/04 ,  E04D13/00 ,  C04B41/00

    Abstract: The use of an aqueous polymer dispersion for modifying cement bonded mineral coatings for concrete mold bodies. The polymer comprises: (A) a polymer P in the form of ethylenic unsaturated polymer particles with a glass transition temperature of -20 - + 80 C; and (B) an emulsifier for stabilizing the polymer particles. (A) comprises: (i) 90 - 99.9 wt. % hydrophobic, monoethylenic unsaturated monomer(s) (M1) from styrene, butadiene, 1 - 4 C alkylester of methacrylic acid and 2 - 12 C alkylester of acrylic acid; and (ii) 0.1 - 10 wt. % hydrophilic, monoethylenic unsaturated monomer (M2) comprising up to 2 wt. %, based on the total amount of monomer of a monoethylenic unsaturated monomer(s) containing an acid group (M2a) and/or up to 10 weight. % thereof different hydrophilic monomer (M2b). (B) comprises: (a) the salt of a sulfuric acid half ester of an alkoxylated alcohol, containing a 4 - 20 C alkyl chain(s) (salt a); and (b) an alkoxylated alcohol containing a 4 - 20 C alkyl chain(s) (compound b). An independent claim is also included for the preparation of a mineral coated concrete roofing slabs, comprising: (i) conventional manufacture of the uncoated roofing slabs blank; (ii) application to the damp blank of a cement bonded mineral mixture comprising the novel aqueous polymer dispersion, inorganic pigment dye, conventional additives, cement and water; and (iii) removal of the roofing product.

    70.
    发明专利
    未知

    公开(公告)号：NO20004494D0

    公开(公告)日：2000-09-08

    申请号：NO20004494

    申请日：2000-09-08

    Applicant: BASF AG

    Inventor： SCHWARTZ MANFRED ,  BECHERT BERTOLD ,  WIESE HARM ,  HUEMMER WOLFGANG ,  RECK BERND

    IPC: C04B41/63 ,  C04B41/48 ,  C08F20/18 ,  C04B

    Abstract: The present invention provides for the use of aqueous film-forming formulations comprising at least one copolymer P as film-forming constituent which is present in disperse form in the formulation and is composed of ethylenically unsaturated monomers M, the monomers M comprisingi. from 70 to 99.9% by weight of at least one ester of methacrylic acid with a C1-C10-alkanol andii. from 0.1 to 30% by weight of at least one different monoethylenically unsaturated monomerand at least 50% by weight of the monomers M being other than methyl methacrylate and not more than 1% by weight of the monomers M having two or more ethylenically unsaturated double bonds, for coating mineral moldings.The present invention additionally provides a method of coating the mineral moldings, and also the mineral moldings themselves.

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