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    33.
    发明专利
    未知

    公开(公告)号：FI66015B

    公开(公告)日：1984-04-30

    申请号：FI802619

    申请日：1980-08-19

    Applicant: BASF AG

    Inventor： HERTEL OTTO ,  SCHARF EMIL ,  MELZER JAROSLAV ,  FIKENTSCHER ROLF

    IPC: C08G81/00 ,  C08G69/48 ,  D21H17/55 ,  D21H17/56 ,  D21H3/58

    Abstract: Process for the production of water-soluble auxiliaries for the papermaking industry by reacting (a) 1 part by weight of a polyamidoamine obtained by condensing 1 mole of a dicarboxylic acid having from 4 to 10 carbon atoms with from 0.8 to 1.4 moles of a polyalkylene polyamine having from 3 to 10 alkyleneamine units and containing up to 8 ethyleneimine units per basic nitrogen atom with (b) 0.1 to 4 parts by weight of an alpha , omega -dichloro polyalkylene oxide obtained by reacting a polyalkylene oxide having from 8 to 100 alkylene oxide units with a compound selected from the group consisting of a thionyl chloride and phosgene and then cleaving the reaction products by heating them to a temperature of from 70 DEG to 150 DEG C. in the presence of a tertiary amine as catalyst, as crosslinking agent, at a temperature above 20 DEG C. in aqueous solution or in a water-soluble organic solvent, the reaction being carried out to a point at which the viscosity of an aqueous solution containing 20% by weight of auxiliary is from 300 to 2,500 mPas.

    USE OF NITROGEN CONTAINING CONDENSATION PRODUCTS AS RETENTION AGENT, FLOCCULATING AGENT AND DRAINAGE ACCELERATOR IN PAPER PRODUCTION
    34.
    发明专利
    USE OF NITROGEN CONTAINING CONDENSATION PRODUCTS AS RETENTION AGENT, FLOCCULATING AGENT AND DRAINAGE ACCELERATOR IN PAPER PRODUCTION 未知

    公开(公告)号：DE3064043D1

    公开(公告)日：1983-08-11

    申请号：DE3064043

    申请日：1980-08-14

    Applicant: BASF AG

    Inventor： HERTEL OTTO DR ,  SCHARF EMIL DR ,  MELZER JAROSLAV ,  FIKENTSCHER ROLF DR

    IPC: C08G81/00 ,  C08G69/48 ,  D21H17/55 ,  D21H17/56 ,  D21H3/58

    Abstract: Process for the production of water-soluble auxiliaries for the papermaking industry by reacting (a) 1 part by weight of a polyamidoamine obtained by condensing 1 mole of a dicarboxylic acid having from 4 to 10 carbon atoms with from 0.8 to 1.4 moles of a polyalkylene polyamine having from 3 to 10 alkyleneamine units and containing up to 8 ethyleneimine units per basic nitrogen atom with (b) 0.1 to 4 parts by weight of an alpha , omega -dichloro polyalkylene oxide obtained by reacting a polyalkylene oxide having from 8 to 100 alkylene oxide units with a compound selected from the group consisting of a thionyl chloride and phosgene and then cleaving the reaction products by heating them to a temperature of from 70 DEG to 150 DEG C. in the presence of a tertiary amine as catalyst, as crosslinking agent, at a temperature above 20 DEG C. in aqueous solution or in a water-soluble organic solvent, the reaction being carried out to a point at which the viscosity of an aqueous solution containing 20% by weight of auxiliary is from 300 to 2,500 mPas.

    35.
    发明专利
    未知

    公开(公告)号：ES2181220T3

    公开(公告)日：2003-02-16

    申请号：ES98922636

    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.

    37.
    发明专利
    未知

    公开(公告)号：ES2034147T5

    公开(公告)日：1996-10-16

    申请号：ES88121650

    申请日：1988-12-24

    Applicant: BASF AG

    Inventor： DE CLERCQ ARNOLD DR ,  BERGOLD WOLFRAM DR ,  DEGEN HANS-JURGEN DR ,  MELZER JAROSLAV

    IPC: B01D19/04

    Abstract: Defoamers in which the oil phase of the emulsions contains… (a) a C12- to C26-alcohol, distillation residues obtainable during the production of alcohols with a relatively high carbon number by oxo synthesis or by the Ziegler process and which may also be alkoxylated, and/or… (b) a fatty acid ester of C12- to C22- carboxylic acids with a mono- to tri-hydric C1- to C18-alcohol and optionally… (c) a hydrocarbon having a boiling point above 200 DEG C or fatty acids having 12 to 22 carbon atoms,… comprises 5 to 50% by weight of the make-up of the emulsion and has a mean particle size of less than 25 mu m, and in which 5 to 50 % by weight of the components (a) and (b) of the oil phase are replaced by… (d) at least one compound melting at a temperature above 70 DEG C selected from the group of fatty alcohols having at least 28 C atoms, the esters of a C1- to C22-carboxylic acid with an alcohol having at least 28 C atoms, the polyethylene waxes having a molecular weight of at least 2000, the carnauba waxes, the montanic ester waxes and the montanic acid waxes and their salts.

    39.
    发明专利
    未知

    公开(公告)号：FI91515B

    公开(公告)日：1994-03-31

    申请号：FI891670

    申请日：1989-04-07

    Applicant: BASF AG

    Inventor： MELZER JAROSLAV

    IPC: B65H3/00 ,  B65H3/08 ,  B65H3/46

    Abstract: In the present method, single flat products are taken from a stack by means of a vacuum lifting device and are deposited again at a processing station. To ensure that the flat products are taken singly, a sheet of air-impermeable material is inserted between each of these products.

    40.
    发明专利
    未知

    公开(公告)号：PT89345B

    公开(公告)日：1993-08-31

    申请号：PT8934588

    申请日：1988-12-27

    Applicant: BASF AG

    Inventor： CLERCO ARNOLD DE ,  BERGOLD WOLFRAM ,  DEGEN HANS-JUERGEN ,  MELZER JAROSLAV

    IPC: B01D19/04

    Abstract: Defoamers in which the oil phase of the emulsions contains… (a) a C12- to C26-alcohol, distillation residues obtainable during the production of alcohols with a relatively high carbon number by oxo synthesis or by the Ziegler process and which may also be alkoxylated, and/or… (b) a fatty acid ester of C12- to C22- carboxylic acids with a mono- to tri-hydric C1- to C18-alcohol and optionally… (c) a hydrocarbon having a boiling point above 200 DEG C or fatty acids having 12 to 22 carbon atoms,… comprises 5 to 50% by weight of the make-up of the emulsion and has a mean particle size of less than 25 mu m, and in which 5 to 50 % by weight of the components (a) and (b) of the oil phase are replaced by… (d) at least one compound melting at a temperature above 70 DEG C selected from the group of fatty alcohols having at least 28 C atoms, the esters of a C1- to C22-carboxylic acid with an alcohol having at least 28 C atoms, the polyethylene waxes having a molecular weight of at least 2000, the carnauba waxes, the montanic ester waxes and the montanic acid waxes and their salts.

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