1.
    发明专利
    未知

    公开(公告)号:FI63801C

    公开(公告)日:1983-08-10

    申请号:FI780181

    申请日:1978-01-20

    Applicant: BASF AG

    Abstract: An improved paper coating composition containing, per 100 parts by weight of finely divided pigment, from 5 to 25 parts by weight of a copolymer A having a glass transition temperature of from -40 DEG to +50 DEG C. in the form of an aqueous dispersion and from 0.1 to 10 parts by weight of a high molecular weight polymer B which is obtained by polymerizing water-soluble ethylenically unsaturated monomers in a water-in-oil emulsion. Papers having improved water resistance are obtained.

    PREPARATION OF POLYVINYLPYRROLIDONE-IODINE

    公开(公告)号:CA1136342A

    公开(公告)日:1982-11-23

    申请号:CA325383

    申请日:1979-04-11

    Applicant: BASF AG

    Abstract: O.Z. 0050/033151 A process for the preparation of PVP-iodine by reacting polyvinylpyrrolidone powder with elementary iodine at from 70 to 100.degree.C. The reaction is carried out in the presence of formic acid, oxalic acid or an ammonium salt or amide of carbonic acid, formic acid or oxalic acid. The process avoids the disadvantage of long periods of heating, which can result in degradation of the polyvinylpyrrolidone, and is particularly suitable for the preparation of an stable PVP-iodine using a low molecular weight polyvinylpyrrolidone.

    4.
    发明专利
    未知

    公开(公告)号:FI63801B

    公开(公告)日:1983-04-29

    申请号:FI780181

    申请日:1978-01-20

    Applicant: BASF AG

    Abstract: An improved paper coating composition containing, per 100 parts by weight of finely divided pigment, from 5 to 25 parts by weight of a copolymer A having a glass transition temperature of from -40 DEG to +50 DEG C. in the form of an aqueous dispersion and from 0.1 to 10 parts by weight of a high molecular weight polymer B which is obtained by polymerizing water-soluble ethylenically unsaturated monomers in a water-in-oil emulsion. Papers having improved water resistance are obtained.

    POLYADDUCTS OF AMMONIA AND EPOXIDE COMPOUNDS, PROCESSES FOR THEIR MODIFICATION, AND THEIR USE

    公开(公告)号:CA1180493A

    公开(公告)日:1985-01-02

    申请号:CA348293

    申请日:1980-03-24

    Applicant: BASF AG

    Abstract: Polyadducts, free from epoxide groups, are obtained from ammonia and epoxide compounds by reacting 1 mole of ammonia with from 1.2 to 2.0 equivalents of epoxide, so that if diepoxide compounds are used products of the general formula (I) are obtained, whilst if triepoxides and/or tetraepoxide compounds are used, by themselves, or together with diepoxide compounds, products of the general formula II (II) are produced; in these formulae, the E1's are identical or different hydroxyl-containing divalent radicals and the E2's are identical or different hydroxyl-containing trivalent or tetravalent radicals, resulting from the opening of the oxirane rings of epoxide compounds containing two, three or four epoxide groups in the molecule, n1, n3 and n5 are from 0 to 3, n2 and n4 are from 1 to 3 and X is 0 or 1, and one or more of the divalent radicals E1 in the general formula (II) may or may not be replaced by polyvalent radicals E2. The novel polyadducts can be modified by reaction with aldehydes, ketones, monoepoxide compounds, carboxylic acids, carboxylic acid esters or isocyanates, or by protonation with an acid, and may be used, for example, for the cathodic electrocoating of metallic articles.

    10.
    发明专利
    未知

    公开(公告)号:NO149177B

    公开(公告)日:1983-11-21

    申请号:NO774520

    申请日:1977-12-30

    Applicant: BASF AG

    Abstract: An improved paper coating composition containing, per 100 parts by weight of finely divided pigment, from 5 to 25 parts by weight of a copolymer A having a glass transition temperature of from -40 DEG to +50 DEG C. in the form of an aqueous dispersion and from 0.1 to 10 parts by weight of a high molecular weight polymer B which is obtained by polymerizing water-soluble ethylenically unsaturated monomers in a water-in-oil emulsion. Papers having improved water resistance are obtained.

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