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    191.
    发明专利
    未知

    公开(公告)号：AT221595T

    公开(公告)日：2002-08-15

    申请号：AT98922636

    申请日：1998-04-02

    Applicant: BASF AG

    Inventor： LINHART FRIEDRICH ,  MELZER JAROSLAV ,  MEIXNER HUBERT

    IPC: D21H17/56 ,  D21H21/02

    Abstract: Paper, board and cardboard are produced from paper stocks which contain tacky impurities by the addition of surfactants and cationic polymers having a charge density of at least 1.5 meq/g (measured at pH 7) and a molar mass Mw of the cationic polymers of at least 15,000 and drainage of the paper stocks with fixation of the tacky impurities in the paper produced.

    196.
    发明专利
    未知

    公开(公告)号：AT154051T

    公开(公告)日：1997-06-15

    申请号：AT94903802

    申请日：1993-12-16

    Applicant: BASF AG

    Inventor： SCHERR GUENTER ,  REUTHER WOLFGANG ,  MOENCH DIETMAR ,  LINHART FRIEDRICH ,  WEISER JUERGEN

    IPC: C08G18/58 ,  C08G18/60 ,  C08G59/14 ,  C08G59/40 ,  C08G73/00 ,  C08G73/02 ,  D21H17/55 ,  D21H17/56 ,  D21H21/10

    Abstract: PCT No. PCT/EP93/03573 Sec. 371 Date Jun. 26, 1995 Sec. 102(e) Date Jun. 26, 1995 PCT Filed Dec. 16, 1993 PCT Pub. No. WO94/14873 PCT Pub. Date Jul. 7, 1994There are described water-soluble condensation products of amino-containing compounds and crosslinkers, obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, ethylene-imine-grafted polyamidoamines, polyetheramines and mixtures thereof, with (b) monethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds such as glycidic acid, glycidamide or glycidyl esters, and (c) at least bifunctional crosslinkers having a halo-hydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as functional group, to form water-soluble condensation products having a viscosity of at least 100 mPas in a 20% strength by weight aqueous solution at 20 DEG C., processes for preparing the water-soluble condensation products by reacting the abovementioned compounds of groups (a), (b) and (c), and the use of the condensation products as drainage, flocculation and retention aids in papermaking.

    197.
    发明专利
    未知

    公开(公告)号：ES2091139T3

    公开(公告)日：1996-10-16

    申请号：ES94909005

    申请日：1994-02-19

    Applicant: BASF AG

    Inventor： LINHART FRIEDRICH ,  MOENCH DIETMAR ,  SCHERR GUENTER ,  REUTHER WOLFGANG ,  LORENCAK PRIMOZ

    IPC: C08G18/58 ,  C08G59/18 ,  C08G59/40 ,  C08G73/00 ,  C08F2/44 ,  C09D17/00 ,  C09D133/02 ,  C09D133/04 ,  C09D171/00 ,  C09D171/02 ,  C09D175/00 ,  C09D175/04 ,  C09D177/00 ,  C09D179/00 ,  C09K23/52 ,  D21H17/54 ,  D21H17/55 ,  D21H17/56 ,  D21H17/57

    Abstract: PCT No. PCT/EP94/00480 Sec. 371 Date Aug. 23, 1995 Sec. 102(e) Date Aug. 23, 1995 PCT Filed Feb. 19, 1994 PCT Pub. No. WO94/20681 PCT Pub. Date Sep. 15, 1994Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and (b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required, (c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20 DEG C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.

    198.
    发明专利
    未知

    公开(公告)号：DE59400474D1

    公开(公告)日：1996-09-05

    申请号：DE59400474

    申请日：1994-02-19

    Applicant: BASF AG

    Inventor： LINHART FRIEDRICH ,  MOENCH DIETMAR ,  SCHERR GUENTER ,  REUTHER WOLFGANG ,  LORENCAK PRIMOZ

    IPC: C08F2/44 ,  C08G18/58 ,  C08G59/18 ,  C08G59/40 ,  C08G73/00 ,  C09D17/00 ,  C09D133/02 ,  C09D133/04 ,  C09D171/00 ,  C09D171/02 ,  C09D175/00 ,  C09D175/04 ,  C09D177/00 ,  C09D179/00 ,  C09K23/52 ,  D21H17/54 ,  D21H17/55 ,  D21H17/56 ,  D21H17/57

    Abstract: PCT No. PCT/EP94/00480 Sec. 371 Date Aug. 23, 1995 Sec. 102(e) Date Aug. 23, 1995 PCT Filed Feb. 19, 1994 PCT Pub. No. WO94/20681 PCT Pub. Date Sep. 15, 1994Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and (b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required, (c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20 DEG C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.

    199.
    发明专利
    未知

    公开(公告)号：DK0687325T3

    公开(公告)日：1996-08-26

    申请号：DK94909005

    申请日：1994-02-19

    Applicant: BASF AG

    Inventor： MOENCH DIETMAR ,  LINHART FRIEDRICH ,  SCHERR GUENTER ,  REUTHER WOLFGANG ,  LORENCAK PRIMOZ

    IPC: C08G18/58 ,  C08G59/18 ,  C08G59/40 ,  C08G73/00 ,  C08F2/44 ,  C09D17/00 ,  C09D133/02 ,  C09D133/04 ,  C09D171/00 ,  C09D171/02 ,  C09D175/00 ,  C09D175/04 ,  C09D177/00 ,  C09D179/00 ,  C09K23/52 ,  D21H17/54 ,  D21H17/55 ,  D21H17/56 ,  D21H17/57

    Abstract: PCT No. PCT/EP94/00480 Sec. 371 Date Aug. 23, 1995 Sec. 102(e) Date Aug. 23, 1995 PCT Filed Feb. 19, 1994 PCT Pub. No. WO94/20681 PCT Pub. Date Sep. 15, 1994Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting (a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and (b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required, (c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20 DEG C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.

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