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    61.
    发明专利
    未知

    公开(公告)号：DE19500754A1

    公开(公告)日：1996-07-18

    申请号：DE19500754

    申请日：1995-01-13

    Applicant: BASF AG

    Inventor： WARZELHAN VOLKER DR ,  SCHORNICK GUNNAR DR ,  KRONER MATTHIAS DR ,  SEELIGER URSULA DR ,  YAMAMOTO MOTONORI ,  RAMLOW GERHARD DR

    IPC: A61L15/00 ,  A61L15/26 ,  A61L15/62 ,  B65D65/46 ,  C08G69/40 ,  C08G69/44 ,  C08G69/48 ,  C08G73/04 ,  C08K5/09 ,  C08L3/02 ,  C08L77/12 ,  C08L101/16 ,  C09D177/12 ,  C09J177/12 ,  C08G81/00 ,  C08G69/42 ,  C08G63/685 ,  C08L67/04

    Abstract: The invention concerns biologically degradable polyether ester amides Q1 with a molecular weight (Mn) in the range 6000-8000 g/mol, a viscosity number in the range 30-450 g/ml (measured in o-dichlorobenzene/phenol (weight ratio 50/50) at a concentration of 0.5 wt.% polyether ester amide Q1 at a temperature of 25 DEG C) and a melting point in the range 50-200 DEG C, obtainable through reaction of a mixture consisting essentially of the following: (a1) 95-99.9 wt.% polyether ester amide P1 with a molecular weight (Mn) in the range 6000-80,000 g/mol, a viscosity number in the range 30-450 g/ml (measured in o-dichlorobenzene/phenol (weight ratio 50/50) at a concentration of 0.5 wt.% polyether ester amide P1 at a temperature of 25 DEG C) and a melting point in the range 50-200 DEG C, obtainable through reaction of a mixture consisting essentially of: (b1) a mixture consisting essentially of: 20-95 mol % adipic acid or ester-forming derivatives thereof or mixtures thereof; 5-80 mol % terephthalic acid or ester-forming derivatives thereof or mixtures thereof; and 0-5 mol % a compound containing sulphonate groups (the sum of the molar percentages is 100); (b2) a mixture of dihydroxy compounds consisting essentially of: (b21) 15-99.3 mol % a dihydroxy compound chosen from the group comprising C2-C6 alkane diols and C5-C10 cycloalkane diols; (b22) 0.2-85 mol % a dihydroxy compound containing ether functions, of formula I HO-[(CH2)n-O]m-H, wherein n is 2, 3 or 4 and m is an integer between 2 and 250, or mixtures thereof; (b23) 0.5-80 mol % an amino-C2-C12 alkanol or an amino C5-C10 cycloalkanol; and (b24) 0-50 mol % a diamino C1-C8 alkane; (b25) 0-50 mol % a 2,2`-bisoxazoline of general formula II, in which R is a single bond, a (CH2)q-alkylene group in which q = 2, 3 or 4, or a phenylene group (the sum of the individual molar percentages is 100 and the selected molar ratio of b1 to b2 is in the range 0.4:1 - 1.5:1; (a2) 0.1-5 wt.% a divinyl ether C1; and (a3) 0-5 mol % (in relation to components b1 from the production of P1) compound D. The invention also concerns other biologically degradable polymers and thermoplastic moulding materials, processes for manufacturing the same and the use thereof for producing biologically degradable moulded articles and adhesives, and biologically degradable moulded articles, foams and blends with starch obtainable from the polymers or moulding materials according to the invention.

    62.
    发明专利
    未知

    公开(公告)号：DE4428638A1

    公开(公告)日：1996-02-15

    申请号：DE4428638

    申请日：1994-08-12

    Applicant: BASF AG

    Inventor： KRONER MATTHIAS DR ,  SCHORNICK GUNNAR DR

    IPC: C02F5/12 ,  C08G69/10 ,  C08G69/46 ,  C08G73/06 ,  C08G73/10 ,  C11D3/37 ,  C08G73/14

    Abstract: Diclosed is a method for producing condensation polymers of aspartic acid by means of condensation polymerization of aspartic acid at temperatures of 140 to 300 DEG C in the presence of a sulfuric acid catalyst partially neutralized with ammonia and/or amines and the use of the reaction mixtures thus produced or of the reaction mixtures neutralized with alkali metal bases or alkaline earth metal bases as additives in phosphate-free or low-phosphate detergents and cleaners.

    67.
    发明专利
    未知

    公开(公告)号：DE4239076A1

    公开(公告)日：1994-05-26

    申请号：DE4239076

    申请日：1992-11-20

    Applicant: BASF AG

    Inventor： PERNER JOHANNES DR ,  DIESSEL PAUL ,  GUEMBEL HELMUT DR ,  DENZINGER WALTER ,  HARTMANN HEINRICH DR ,  KRONER MATTHIAS DR

    IPC: C02F5/10 ,  C08L33/02 ,  C08L35/00 ,  C08L51/02 ,  C08L77/04 ,  H04L27/20 ,  C11D3/37 ,  H04B7/00 ,  H04J3/16 ,  H04J3/22 ,  H04J3/24 ,  H04J11/00 ,  H04J13/00 ,  H04J13/18 ,  H04L20060101 ,  H04L1/00 ,  H04L1/08 ,  H04L12/00 ,  H04L27/30 ,  H04L29/06 ,  H04Q7/38

    Abstract: The invention concerns mixtures of (I) polymers of monoethylenically unsaturated dicarboxylic acids with a molecular weight of 200 to 5,000 and (II) (1) copolymers with a molecular weight of 10,000 to 150,000 consisting of (a) 10 to 70 % by wt. of monoethylenically unsaturated C4 to C8 dicarboxylic acids or salts thereof and (b) 30 to 90 % by wt. of monoethylenically unsaturated C3 to C10 monocarboxylic acids and/or salts thereof, (2) homopolymers and copolymers with a molecular weight of 1,000 to 500,00 consisting of monoethylenically unsaturated C3 to C10 monocarboxylic acids, (3) graft polymers with a molecular weight of 5,000 to 150,000 obtained by the radical-initiated graft polymerization of (A) monoethylenically unsaturated C3 to C10 carboxylic acids, their anhydrides and/or their salts in the presence of (B) mono-, oligo- or polysaccharides derivatives thereof, in the ratio by weight of A:B of (95 to 100):(5 to 80) and/or (4) polyaminocarboxylic acids and/or polymers containing aminocarboxylic groups, the mixtures containing components (I) and (II) in the ratio by weight of 10:0.5 to 0.5:10. The invention also concerns the use of such mixtures as additives in phosphate-free or phosphate-reduced textile-washing agents or as dispersants and deposit-prevention agents in cleaning agents for hard surfaces.

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