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    43.
    发明专利
    未知

    公开(公告)号：ES2217142T3

    公开(公告)日：2004-11-01

    申请号：ES01927814

    申请日：2001-03-27

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS ,  PERNER JOHANNES ,  BICHNER KARL-HEINZ ,  WILD JOCHEN ,  PFISTER JURGEN

    IPC: C08G81/02 ,  C04B24/26 ,  C08F8/14 ,  C08F8/30

    Abstract: Polymers containing acid groups are modified by reaction of(a) polymers which comprise at least 5% by weight of a copolymerized monoethylenically unsaturated monomer containing acid groups, have molar masses of from 200 to 100,000 and are obtainable by free-radical polymerization of monoethylenically unsaturated acids in aqueous solution in the presence or absence of other monoethylenically unsaturated monomers and in the presence of at least 4% by weight, based on the monomers used in the polymerization, of a water-soluble sulfur compound in which the sulfur is in the oxidation state +4,with(b) polyalkylene glycols which are end-capped at one end, alkylpolyalkylene glycol amines or mixtures thereof, or mixtures of at least one of the two compounds specified with up to 30% by weight, based on the mixtures, of ammonia, amines, alcohols, hydroxycarboxylic acids or aminocarboxylic acidsat up to 250° C.

    METHOD FOR MODIFYING ACID GROUP CONTAINING POLYMERS
    45.
    发明专利
    METHOD FOR MODIFYING ACID GROUP CONTAINING POLYMERS 未知

    公开(公告)号：CA2403878A1

    公开(公告)日：2001-10-04

    申请号：CA2403878

    申请日：2001-03-27

    Applicant: BASF AG

    Inventor： BUCHNER KARL-HEINZ ,  PERNER JOHANNES ,  WILD JOCHEN ,  KRONER MATTHIAS ,  PFISTER JURGEN

    IPC: C08G81/02 ,  C04B24/26 ,  C08F8/14 ,  C08F8/30

    Abstract: The invention relates to a method for modifying acid group containing polyme rs by reacting, at temperatures of up to 250 ~C, a) polymers that contain polymerized into them at least 5 wt.- % of a monomer that contain monoethylenically unsaturated acid groups, that have a molecular weight ranging between 200 to 100.000 and that are obtainable by radical polymerization of monoethylenically unsaturated acids, optionally in the presence of another monoethylenically unsaturated monomer in an aqueous solution in the presence of at least 4 wt.- %, based on the monomers used fo r the polymerization, of a water-soluble sulfur composition in which the sulfu r has the oxidation number +4, with b) unilaterally end-group terminated polyalkylene glycols, alkylpolyalkyene glycolamines or the mixtures thereof. The invention also relates to the mixtures of at least one of said compounds with up to 30 wt.- %, based on the mixtures, of ammonia, amines, alcohols, hydroxycarboxylic acids or aminocarboxylic acids.

    47.
    发明专利
    未知

    公开(公告)号：DE59505719D1

    公开(公告)日：1999-05-27

    申请号：DE59505719

    申请日：1995-07-28

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS ,  SCHORNICK GUNNAR ,  FEINDT HANS-JACOB ,  MEYER THOMAS ,  LUDWIG ALFONS ,  METZMANN UDO

    IPC: C02F5/12 ,  C08G69/10 ,  C08G73/06 ,  C08G73/10 ,  C11D3/37

    Abstract: PCT No. PCT/EP95/03003 Sec. 371 Date Feb. 12, 1997 Sec. 102(e) Date Feb. 12, 1997 PCT Filed Jul. 28, 1995 PCT Pub. No. WO96/05241 PCT Pub. Date Feb. 22, 1996A process for preparing polyaspartic acid by polycondensation of fine-particle aspartic acid at temperatures above 150 DEG C. in the presence of acidic catalysts, wherein first contact between the acidic catalysts and the fine-particle aspartic acid takes place in the reaction zone where the polycondensation takes place.

    48.
    发明专利
    未知

    公开(公告)号：DE59505225D1

    公开(公告)日：1999-04-08

    申请号：DE59505225

    申请日：1995-11-04

    Applicant: BASF AG

    Inventor： WARZELHAN VOLKER ,  SCHORNICK GUNNAR ,  KRONER MATTHIAS ,  SEELIGER URSULA ,  YAMAMOTO MOTONORI ,  BUESCHL RAINER

    IPC: C08G63/183 ,  C08G63/60 ,  C08G63/688 ,  C08G63/91 ,  C08J5/00 ,  C08J9/04 ,  C08L67/00 ,  C08L101/16 ,  C09J167/00 ,  D21H19/28

    Abstract: PCT No. PCT/EP95/04335 Sec. 371 Date May 12, 1997 Sec. 102(e) Date May 12, 1997 PCT Filed Nov. 4, 1995 PCT Pub. No. WO96/15175 PCT Pub. Date May 23, 1996A biodegradable polyester obtainable by reacting a mixture comprising (a1) from 95 to 99.9% by weight of a polyester P1 obtainable by reacting a mixture essentially comprising (b1) a mixture comprising 35-95 mol % of adipic acid or ester-forming derivatives thereof, 5-65 mol % of terephthalic acid or ester-forming derivatives thereof, and 0-5 mol % of a compound containing sulfonate groups, and (b2) a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols, with the proviso that a compound D with at least three groups capable of ester formation is employed to prepare the polyester P1, (a2) from 0.1 to 5% by weight of a divinyl ether C1 and (a3) from 0 to 5 mol %, based on component (b1) from the preparation of P1, of compound D, and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings and adhesives.

    49.
    发明专利
    未知

    公开(公告)号：ES2124519T3

    公开(公告)日：1999-02-01

    申请号：ES95902787

    申请日：1994-12-06

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS ,  SCHORNICK GUNNAR ,  BAUR RICHARD ,  KUD ALEXANDER ,  SCHWENDEMANN VOLKER

    IPC: C11D3/33 ,  C08G69/10 ,  C08G73/10 ,  C11D3/37

    Abstract: PCT No. PCT/EP94/04057 Sec. 371 Date May 20, 1996 Sec. 102(e) Date May 20, 1996 PCT Filed Dec. 6, 1994 PCT Pub. No. WO95/16020 PCT Pub. Date Jun. 15, 1995The use of polyaspartic acid prepared by polycondensation of aspartic acid in the presence of phosphoric acid in a molar ratio of from 1:0.05 to 1:10 at temperatures of at least 120 DEG C. to give polysuccinimide, and subsequent hydrolysis of the polysuccinimide with bases to give at least partially neutralized polyaspartic acid, as additive to detergents and cleaners in amounts of from 0.1 to 10% by weight, and detergents and cleaners which contain polyaspartic acids prepared in the presence of phosphoric acid.

    50.
    发明专利
    未知

    公开(公告)号：ES2114331T3

    公开(公告)日：1998-05-16

    申请号：ES95928484

    申请日：1995-07-28

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS ,  SCHORNICK GUNNAR

    IPC: C02F5/12 ,  C08G69/10 ,  C08G69/46 ,  C08G73/06 ,  C08G73/10 ,  C11D3/37

    Abstract: PCT No. PCT/EP95/03004 Sec. 371 Date Feb. 12, 1997 Sec. 102(e) Date Feb. 12, 1997 PCT Filed Jul. 28, 1995 PCT Pub. No. WO96/05242 PCT Pub. Date Feb. 22, 1996Process for preparing polycondensates of aspartic acid by polycondensation of aspartic acid at from 140 DEG to 300 DEG C. in the presence of sulfuric acid which has been partially neutralized with ammonia and/or amines as catalyst, and use of the reaction mixtures obtainable in this way or of the reaction mixtures neutralized with alkali metal or alkaline earth metal bases as additive to phosphate-free or reduced phosphate detergents and cleaners.

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