PEGAMENTO POR CONTACTO.
    41.
    发明专利

    公开(公告)号:ES2228498T3

    公开(公告)日:2005-04-16

    申请号:ES00920743

    申请日:2000-04-27

    Applicant: BASF AG

    Abstract: Pegamentos por contacto, que contienen una dispersión polímera acuosa, caracterizados porque el polímero está constituido a partir de desde 50 hasta 99, 9 % en peso de al menos un (met)acrilato de alquilo con 1 a 12 átomos de carbono (monómero a), desde 0, 05 hasta 20 % en peso al menos de un compuesto vinilaromático (monómero b), desde 0, 05 hasta 10 % en peso al menos de un hidroxicompuesto etilénicamente insaturado (monómero c), desde 0 hasta 10 % en peso de un ácido o de un anhídrido de ácido etilénicamente insaturados (monómero d) y desde 0 hasta 30 % en peso de otros compuestos etilénicamente insaturados (monómero e), refiriéndose las indicaciones en peso al polímero y la dispersión polímera contiene una mezcla emulsionante constituida por desde 20 hasta 95 %en peso de un emulsionante aromático y desde 5 hasta 80 % en pesode un sulfato de la fórmula R8-O-(Z-O)n ¿ SO-3 k+ II en la que las variables tienen el significado siguiente: R8: alquilo con 1 a 18 átomos de carbono, Z: n: un número entero desde 1 hasta 40 k: un catión, y estando constituido el emulsionante aromático por un emulsionante que comprende al menos un 5 % en peso de átomos de carbono aromáticos, refiriéndose las indicaciones en peso a la cantidad total de los emulsionantes.

    METHOD FOR PRODUCING AN AQUEOUS POLYMER DISPERSION

    公开(公告)号:AU2003247284A1

    公开(公告)日:2003-12-12

    申请号:AU2003247284

    申请日:2003-05-21

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing an aqueous polymer dispersion having a polymer solids content of >=50% by weight by carrying out the radically initiated aqueous emulsion polymerization of ethylenically unsaturated compounds (monomers). The inventive method is characterized in that: a) a mixture is provided in a polymerization vessel and contains a partial quantity 1 consisting of: deionized water, 0.001 to 0.5 parts by weight of a polymer with a weighted average particle diameter of =80% [polymerization step A], and; b) afterwards, a monomer emulsion containing partial quantity 2, which consists of deionized water, 0.1 to 5 parts by weight of dispersants and 90 to 99.5 parts by weight of monomers, is fed under polymerization conditions to the obtained reaction mixture [polymerization step B], whereby; c) the total amount of the monomers used for the polymerization is equal to 100 parts by weight, and the total amount of deionized water is

    46.
    发明专利
    未知

    公开(公告)号:DE19920807A1

    公开(公告)日:2000-11-09

    申请号:DE19920807

    申请日:1999-05-06

    Applicant: BASF AG

    Abstract: The invention relates to contact bonding adhesives containing an aqueous polymer dispersion which is characterized in that the polymer is made up of 55 to 99.9 wt. % of at least one C1-C12 alkyl(meth)acrylate (monomers a); 0.05 to 20 wt. % of at least one vinyl-aromatic compound (monomers b); 0.05 to 10 wt. % of at least one ethylenically unsaturated hydroxy compound (monomers c); 0 to 10 wt. % of an ethylenically unsaturated acid or of an acid anhydride (monomers d); and 0 to 30 wt. % of other ethylenically unsaturated compounds (monomers e), whereby the indications of weight refer to the polymer, and the polymer dispersion contains an emulsifier of which up to 5 wt. % consists of C atoms (referred to as an aromatic emulsifier), or contains an emulsifier mixture of which up to 10 wt. % consists of an aromatic emulsifier.

    48.
    发明专利
    未知

    公开(公告)号:FI104090B1

    公开(公告)日:1999-11-15

    申请号:FI912253

    申请日:1991-05-09

    Applicant: BASF AG

    Abstract: Synthetic resins are obtainable by chemically bonding one or more compounds of the general formula I (* CHEMICAL STRUCTURE *) (I) where R1 is -OH, -NH2, (* CHEMICAL STRUCTURE *) -NHR3 or (* CHEMICAL STRUCTURE *) R2 is -H, -CH3 or -C2H5, R3 is -CmH2m+1, where m is from 1 to 6, R4 is -H or -CH3 and n is from 1 to 12, via the oxygen or nitrogen atom of R1 to one or more polymers A which consist of a) from 50 to 100% by weight of one or more esters of acrylic or methacrylic acid with monohydric alcohols of 1 to 18 carbon atoms or a mixture of these esters (monomers a) and b) from 0 to 50% by weight of other copolymerizable monomers (monomers b) in polymerized form, in amounts such that the synthetic resin contains from 0.01 to 1 mole of double bonds per kg of polymer A. After exposure to ultraviolet light or to electrons, these synthetic resins are suitable as contact adhesives.

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