21.
    发明专利
    未知

    公开(公告)号:PT792310E

    公开(公告)日:2001-09-28

    申请号:PT95925768

    申请日:1995-06-27

    Applicant: BASF AG

    Abstract: Biodegradable polyether esters P1 obtainable by reacting a mixture essentially comprising(a1) a mixture essentially comprising20-95 mol % of adipic acid or ester-forming derivatives thereof or mixtures thereof,5-80 mol % of terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and0-5 mol % of a compound containing sulfonate groups,where the total of the individual mole percentages is 100 mol %, and(a2) a mixture of dihydroxy compounds essentially comprising(a21) from 15 to 99.8 mol % of a dihydroxy compound selected from the group consisting of C2-C6-alkanediols and C5-C10-cycloalkanediols,(a22) from 85 to 0.2 mol % of a dihydroxy compound containing ether functionalities of the formula Iwhere n is 2, 3 or 4 and m is an integer from 2 to 250, or mixtures thereof,where the molar ratio of (a1) to (a2) is chosen in the range from 0.4:1 to 1.5:1, with the proviso that the polyether ester P1 has a molecular weight (Mn) in the range from 5000 to 80,000 g/mol, a viscosity number in the range from 30 to 450 g/ml (measured in o-dichlorobenzene/phenol (50/50 ratio by weight) at a concentration of 0.5% by weight of polyether ester P1 at 25° C.) and a melting point in the range from 50 to 200° C., and with the further proviso that from 0.01 to 5 mol %, based on the molar quantity of component (a1) employed, of a compound D with at least three groups capable of ester formation are employed to prepare the polyether ester P1,and further biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings and adhesives, biodegradable moldings, films and blends with starch obtainable from the polymers and molding compositions according to the invention.

    24.
    发明专利
    未知

    公开(公告)号:AT198609T

    公开(公告)日:2001-01-15

    申请号:AT97910435

    申请日:1997-10-10

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP97/05605 Sec. 371 Date Apr. 14, 1999 Sec. 102(e) Date Apr. 14, 1999 PCT Filed Oct. 10, 1997 PCT Pub. No. WO98/17719 PCT Pub. Date Apr. 30, 1998Thermoplastic molding compositions comprise A) from 30 to 97% by weight of a polyester, B) from 1 to 30% by weight of melamine cyanurate, C) from 1 to 30% by weight of at least one phosphorus-containing flame retardant which contains phosphorus in the valence state -1, -2 or -3, D) from 0 to 60% by weight of other additives and processing aids, where the total of the percentages by weight of components A) to D) is 100%.

    29.
    发明专利
    未知

    公开(公告)号:ES2128100T3

    公开(公告)日:1999-05-01

    申请号:ES95937865

    申请日:1995-11-04

    Applicant: BASF AG

    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.

    30.
    发明专利
    未知

    公开(公告)号:ES2119564T3

    公开(公告)日:1998-10-01

    申请号:ES96900928

    申请日:1996-01-08

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/00067 Sec. 371 Date Jul. 3, 1997 Sec. 102(e) Date Jul. 3, 1997 PCT Filed Jan. 8, 1996 PCT Pub. No. WO96/21692 PCT Pub. Date Jul. 18, 1996Biodegradable polyesteramides as defined in the specification obtained by reacting a mixture consisting essentially of (a1) from 95 to 99.9% by weight of a polyesteramide, (a2) from 0.1 to 5% by weight of a divinyl ether, and (a3) from 0 to 5 mol % of compound D as defined in the specification, and other biodegradable polymers and thermoplastic molding compositions, processes for the preparation thereof, the use thereof for producing biodegradable moldings, and adhesives, biodegradable moldings obtained from the polymers and molding compositions according to the invention.

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