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    25.
    发明专利
    未知

    公开(公告)号：DK529989A

    公开(公告)日：1990-04-27

    申请号：DK529989

    申请日：1989-10-25

    Applicant: BASF AG

    Inventor： DOTZAUER BERNHARD ,  BECKERLE WILHELM FRIEDRICH ,  DENU HANS-JUERGEN ,  WENDEL KURT ,  SCHWARTZ MANFRED

    IPC: B27N3/04 ,  C04B26/06 ,  C08K3/00 ,  C08K3/013 ,  C08K7/00 ,  C08K7/02 ,  C08L33/04 ,  C08L33/12 ,  D21J1/00

    Abstract: The invention relates to the production of mouldings based on a particulate material as additive and an aqueous binding agent containing an acrylate polymer, the additive being moistened with the binding agent, converted into the desired shape and subsequently dried, characterised in that a binding agent is employed whose binder is an acrylate polymer whose glass transition range is relatively high and which is built up from (A) predominantly methyl methacrylate, (B) a minor amount of (meth)acrylic acid, (C) if desired, a minor amount of an alkyl ester of acrylic acid and (D) if desired, a small amount of other specific polymerisable compounds.

    26.
    发明专利
    未知

    公开(公告)号：FI901035A0

    公开(公告)日：1990-03-01

    申请号：FI901035

    申请日：1990-03-01

    Applicant: BASF AG

    Inventor： DOTZAUER BERNHARD ,  BECKERLE WILHELM FRIEDRICH ,  DENU HANS-JURGEN ,  WENDEL KURT ,  SCHWARTZ MANFRED

    IPC: C04B30/02 ,  C04B41/48 ,  C04B41/63 ,  C08J

    Abstract: For moulded bodies, obtainable by impregnation or coating of base mouldings built up mainly from mineral fibres, non-fibrous mineral fillers and starch, with compositions which contain, as binders, copolymers consisting of a) 60 to 95 % by weight of methyl methacrylate (monomer I> b) 5 to 40 % by weight of acrylate and/or methacrylic acid (monomers II> c) 0 to 35 % by weight of one or more acrylates of a C1- to C8-alkanol (monomers III> d) 0 to 5 % by weight of copolymerisable, olefinically polyunsaturated monomers (monomers (IV) and e) 0 to 5 % by weight of other copolymerisable monomers (monomers V) in the polymerised form, the proportions by weight of the monomers I, II, III and V are selected within the indicated limits in such a way that a polymer built up only from these monomers would have a glass temperature of from 60 to 125 DEG C.

    MOLDINGS BASED ON FIBERS
    29.
    发明专利
    MOLDINGS BASED ON FIBERS 未知

    公开(公告)号：CA2059626A1

    公开(公告)日：1992-07-27

    申请号：CA2059626

    申请日：1992-01-20

    Applicant: BASF AG

    Inventor： BECKERLE WILHELM F ,  FILGES ULRICH ,  SCHWARTZ MANFRED ,  DOTZAUER BERNHARD

    IPC: C08J5/04 ,  C08J3/215 ,  C08K7/02 ,  C08L57/04 ,  D04H1/00 ,  D04H1/4209 ,  D04H1/4218 ,  D04H1/64 ,  D21H13/14 ,  D21H13/18 ,  D21H13/40 ,  D21H13/42 ,  D21H17/37 ,  C08L57/06 ,  C08L57/08 ,  C08L57/10 ,  C08L57/12

    Abstract: O.Z. 0050/42165 Moldings based on fibers (component A), containing B) from 5 to 25% by weight, based on A, of a polymer of b1) from 75 to 99.9% by weight, based on B, of vinylaromatic monomers, methyl methacrylate, methyl acrylate, acrylonitrile, methacrylonitrile, vinyl halides, acrylates and methacrylates of alcohols of 2 to 12 carbon atoms and/or vinyl esters of not more than 20 carbon atoms, where the sum of the acrylates and methacrylates of alcohols of 2 to 12 carbon atoms and of the vinyl esters may be not more than 20% by weight, based on B, b2) from 0.1 to 25% by weight, based on B, of one or more monomers of the formula I I where R1 and R2 are each -H or C1-C4-alkyl, R3 is a bridge member of 1 to 20 carbon atoms, R4 is -C(O)R6, -C(O)OR5 or -CN, R5 is -H, -C(O)R9, -C(O)OR9 or -CN, X is -O- or -NR7-, Z is a single bond, -CH2-, -O-, -NR8- or -O-C(O)- and R5, R7, R8 and R9 are each -H, alkyl, aryl, alkaryl or aralkyl of not more than 12 carbon atoms, and b3) from 0 to 10% by weight, based on B, of further copolymerizable monomers, and the production thereof are described.

    30.
    发明专利
    未知

    公开(公告)号：FI915969A

    公开(公告)日：1992-06-23

    申请号：FI915969

    申请日：1991-12-18

    Applicant: BASF AG

    Inventor： DOTZAUER BERNHARD ,  WISTUBA ECKEHARDT ,  SCHWARTZ MANFRED ,  PETRI ROLF ,  BECHERT BERTOLD ,  DENU HANS-JUERGEN

    IPC: C04B41/48 ,  C04B41/62 ,  C04B41/63 ,  C09D133/06 ,  C04B

    Abstract: A concrete tile (I) is claimed, which is coated with a copolymer (A) with Tg -25 to +30 deg.C, derived from (a) 0.1-10 wt.% monomer of formula R1CH=CR2-CO-X-R3-Z-CHR4R5 (III), (b) 85-99.9 wt.% at least 2 monomers of the type (1-24C alkyl) (meth)acrylates, vinyl esters of 1-20C carboxylic acids, up to 20C vinylaromatics, 3-6C unsatd. nitriles, vinyl halides and/or 2-8C non-aromatic hydrocarbons with olefinic double bond(s), and (c) 0-10 wt.% other Sn-free comonomers; R1, R2 = H or 1-4C alkyl; R3 = 1-20C bridging gp.; R4 = -COR6, -COOR6 or CN; R5 = H, -COR9, -COOR9 or CN; X = O or NR7; Z = single bond, CH2, O, NR8 or -OCO-; (with R6-R9 = H, or 1-12C alkyl, aryl, alkaryl or aralkyl). Also claimed is a process for the prodn. of (I), by application of an aq. prepn. contg. (A) to at least one surface of the green concrete, and drying the prepn. by hardening the concrete. More specifically, monomer (a) is acetylacetoxyethyl (meth)acrylate, acetylacetoxybutyl (meth)acrylate, cyanoacetoxyethyl (meth)acrylate, 1,1-dibenzoyl-2-(meth)acrylamidoethane, 1-benzoyl-1-acetyl-2- (meth)acrylamidoethane, or ethyl alpha-benzoyl-beta-(meth) acrylamidopropionate, and (b) are vinylaromatics or (1-8C alkyl) (meth)acrylates; (I) is coated with a prepn. contg. copolymer (A) and up to 450 wt.% mineral additives (B) and/or colour pigments (C) (w.r.t. amt. of A); another layer of the aq. prepn. is applied to the hardened tile and dried; the amt. of prepn. used is such that the total amt. of dry coating is 50-500 g/m2.

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