BIOLOGICALLY DEGRADABLE POLYMERS, PROCESSES FOR MANUFACTURING THE SAME AND THE USE THEREOF FOR PRODUCING BIODEGRADABLE MOULDED ARTICLES

    公开(公告)号:CA2209495A1

    公开(公告)日:1996-07-18

    申请号:CA2209495

    申请日:1995-06-27

    Applicant: BASF AG

    Abstract: The invention concerns biologically degradable polyester amides P1 obtainable through reaction of a mixture consisting essentially of the following: (a1) a mixture consisting essentially of: 35-95 mol % adipic acid or ester-forming derivatives thereof or mixtures thereof, 5-65 mol % terephthalic acid or esterforming derivatives thereof or mixtures thereof, and 0-5 mol % a compound containing sulphonate groups (the sum of the individual molar percentages is 100); (a2) a mixture consisting essentially of: (a21) 99.5-0.5 mol % a dihydroxy compound chosen from the group comprising C2-C6 alkane diols and C5C10 cycloalkane diols, (a22) 0.5-99.5 mol % an amino C2-C12 alkanol or an amino-C5-C10 cycloalkanol, (a23) 0-50 mol % a diamino C1-C8 alkane; and (a24) 0-50 mol % a 2,2'-bisoxazoline of general formula (I), in which R1 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 molar ratio of a1 to a2 is in the range 0.4:1 - 1.5:1). The polyester amides P1 will have a molecular weight (Mn) in the range 4000-40,000 g/mol, a viscosity number in the range 30-350 g/ml (measured in o-dichlorobenzene/phenol (weight ratio 50/50) at a concentration of 0.5 wt.% polyester amide P1 at a temperature of 25 ~C) and a melting point in the range 50-220 ~C; and a quantity of a compound D equivalent to 0-5 mol % of the molar quantity of components (a1) must also be used for the production of the polyester amides P1, said compound D having at least three groups capable of ester formation. The invention also concerns other biologically degradable polymers and thermoplastic moulding materials, processes for manufacturing the same, the use thereof for producing biologically degradable moulded articles and adhesives, and biologically degradable moulded articles, foams and blends with starch which can be obtained from the polymers or moulding materials according to the invention.

    Biodegradable polymers, process for their production and their use in producing biodegradable mouldings

    公开(公告)号:AU2978195A

    公开(公告)日:1996-06-06

    申请号:AU2978195

    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.

    116.
    发明专利
    未知

    公开(公告)号:DE4440858A1

    公开(公告)日:1996-05-23

    申请号:DE4440858

    申请日:1994-11-15

    Applicant: BASF AG

    Abstract: Biodegradable polyesters P1 obtainable by the reaction of a mixture consisting essentially of (a1) a mixture essentially of 35 to 95 mol% adipic acid or ester-forming derivatives thereof or mixtures thereof, 5 to 65 mol% terephthalic acid or ester-forming derivatives thereof or mixtures thereof, and 0 to 5 mol% of a sulphonate group-containing compound in which the sum of the individual mol percentages is 100, and (a2) a dihydroxy compound selected from the group consisting of C2-C6 alkane diols and C5-C10 cycloalkane diols, in which the molar ratio of (a1) and (a2) is in the range from 0.4:1 to 1.5:1, provided that the polyester P1 have a molecular weight (Mn) in the range from 5000 to 50,000 g/mol, a viscosity index in the range from 30 to 350 g/ml (measured in o-dichlorobenzole/phenol (in a ratio by weight of 50/50) at a concentration of 0.5 wt.% polyester P1 at a temperature of 25 DEG C) and a melting point in the range from 50 to 170 DEG C, and with the further proviso that from 0.01 to 5 mol% in relation to the molar quantity of the component (a1) used of compound D with at least three groups capable of forming esters are used to produce the polyesters P1, and other biodegradable polymers and thermoplastic moulding compounds and adhesives, biodegradable mouldings, foams and blends with starch obtainable from the polymers or moulding compounds of the invention.

    117.
    发明专利
    未知

    公开(公告)号:DE4440836A1

    公开(公告)日:1996-05-23

    申请号:DE4440836

    申请日:1994-11-15

    Applicant: BASF AG

    Abstract: The invention concerns biodegradable polyether esters obtained by reacting a mixture consisting of: (a1) 95 to 99.9 wt % polyether ester P1, obtained by reacting a mixture consisting of: (b1) a mixture consisting of: 20 to 95 mol % adipic acid or esterifying derivatives thereof or mixtures thereof; 5 to 80 mol % terephthalic acid or esterifying derivatives thereof or mixtures thereof; and 0 to 5 mol % of a sulphonate group-containing compound; and (b2) a mixture of dihydroxy compounds, essentially consisting of: (b21) 15 to 99.8 mol % of a dihydroxy compound; and (b22) 85 to 0.2 mol % of an ether function-containing dihydroxy compound as per formula (I) HO-[(CH2)n-O]m-H, in which n stands for 2, 3 or 4 and m stands for an integer from 2 to 250, or mixtures thereof, the molar ratio of (b1) to (b2) ranging from 0.4:1 to 1.5:1; (a2) 0.1 to 5 wt % of a divinylether C1; and (a3) 0 to 5 mol % of compound D; as well as further biodegradable polymers and thermoplastic moulding compounds. The invention also concerns a process for their preparation, their use for producing biodegradable moulded bodies and adhesives, and biodegradable moulded bodies, foams and blends with starch obtained from the polymers and moulding compounds according to the invention.

    118.
    发明专利
    未知

    公开(公告)号:FI118223B

    公开(公告)日:2007-08-31

    申请号:FI20060360

    申请日:2006-04-13

    Applicant: BASF AG

    Abstract: The following are claimed: (A) biodegradable polyester P1, preparable by reaction of a mixt. comprising: (a1) a mixt. comprising: (a11) 35-95 mol.% of adipic acid and/or one or more ester-forming derivs. of this, (a12) 5-65 mol.% of terephthalic acid and/or one or more ester-forming derivs. of this, and (a13) 0-5 mol.% of a cpd. contg. sulphonate gps., the total of mol.% in (a11)-(a13) being 100 mol.%; and (a2) a dihydroxy cpd. selected from 2-6C alkane-diols and 5-10C cycloalkane-diols. The molar ratio of (a1) to (a2) is 0.4-1.5:1. In addn., 0.01-5 mol.% (based on the molar amt. of component (a1)) of a cpd. D, which comprises at least three gps. capable of forming ester gps., are also used for prodn. of polyester P1. Polyester P1 has (a) a mol.wt. (Mn) of 5000-50000 g/mol; (b) a viscosity no. of 30-350 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a P1 concn. of 0.5 wt.%); and (c) a m.pt. of 50-170 degrees C. (B) biodegradable polyester P2, preparable by reaction of a mixt. comprising: (b1) mixt. comprising: (b11) 20-95 mol.% of adipic acid and/or one or more ester-forming deriv. of this, (b12) 5-80 mol.% of terephthalic acid and/or one or more ester- forming deriv. of this, and (b13) 0-5 mol.% of a cpd. contg. sulphonate gps., the total of mol.% in (b11)-(b13) being 100 mol.%; (b2) a dihydroxy cpd. as (a2) above; (b3) 0.01-100 wt.% (based on the amt. of component (b1) of a hydroxycarboxylic acid B1 which is of formula (Ia) or (Ib); and (b4) 0-5 mol.% (based on the amt. of component (b1)) of a cpd. D. The molar ratio of (b1) to (b2) is 0.4-1.25:1. Polyester P2 has (a) a mol.wt. (Mn) of 5000-80000 g/mol; (b) a viscosity no. of 30 - 450 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a P2 concn. of 0.5 wt.%); and (c) a m.pt. of 50-235 degrees C. p = a whole no. from 1-1500; r = a whole no. from 1-4; G = phenylene, (CH2)k, C(R)H and C(R)HCH2; k = 1-5; R = Me or Et. (C) biodegradable polyester Q1 which have: (a) a mol.wt. (Mn) of 5000-100000 g/mol; (b) a viscosity no. of 30-450 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a Q1 concn. of 0.5 wt.%); and (c) a m.pt. of 50-235 degrees C. Q1 are obtained by reaction of a mixt. comprising; (c1) polyester P1 and/or a polyester PWD; (c2) 0.01-50 wt.% (based on (c1)) of a hydroxycarboxylic acid B1; and (c3) 0-5 mol.% (based on the amt. of component (a1) used in prodn. of P1 and/or PWD) of a cpd. D. Polyester PWD is obtainable by reaction of components (a1) and (a2) in a molar ratio of (a1) to (a2) of 0.4-1.5:1. Polyester PWD have: (a) a mol.wt. (Mn) of 5000 - 50000 g/mol; (b) a viscosity no. of 30 - 350 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a PWD concn. of 0.5 wt.%); and (c) a m.pt. of 50-170 degrees C. (D) biodegradable polyesters Q2 which have: (a) a mol.wt. (Mn) of 6000 - 60000 g/mol; (b) a viscosity no. of 30-350 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a Q2 concn. of 0.5 wt.%); and (c) a m.pt. of 50-170 degrees C. Q2 are obtained by reaction of a mixt. comprising: (d1) 95-99.9 wt.% of polyester P1 and/or PWD; and (d2) 0.1-50 wt.% of a diisocyanate C1; and (d3) 0-5 mol.% (based on the amt. of component (a1) used in prodn. of P1 and/or PWD) of a cpd. D. (E) biodegradable polymers T1 which have: (a) a mol.wt. (Mn) of 10000 - 100000 g/mol; (b) a viscosity no. of 30-450 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a T1 concn. of 0.5 wt.%); and (c) a m.pt. of 50-235 degrees C. T1 are obtd. by reaction of polyester Q1 with (e1) 0.1-5 wt.% (based on the amt. of Q1) of diisocyanate C1 and (e2) 0-5 mol.% (based on the amt. of component (a1) used in prodn. of Q1 via the polyester P1 and/or PWD) of a cpd. D. (F) biodegradable polymers T2 which have: (a) a mol.wt. (Mn) of 10000 - 100000 g/mol/. (b) a viscosity no. of 30-450 g/ml (measured in o-dichlorobenzene/phenol (wt. ratio 50/50) at 25 degrees C and a T2 concn. of 0.5 wt.%); and (c) a m.pt. of 50-235 degrees C. T2 are obtained by reaction of polyester Q2 with (f1) 0.01-50 wt.% (based on the amt. of Q2) of hydroxycarboxylic acid B1 and (f2) 0-5 mol.% (based on the amt. of component (a1) used in prodn. of Q2 via the polyester P1 and/or PWD) of a cpd

    Biodegradable polyester for mixture and premix with other biodegradable polyester for making molding, film or fibers e.g. mulch film is based on succinic, sebacic, azeleic or brassylic acid, terephthalic acid and propandiol or butandiol

    公开(公告)号:DE102005053068A1

    公开(公告)日:2007-05-10

    申请号:DE102005053068

    申请日:2005-11-04

    Applicant: BASF AG

    Abstract: Biodegradable polyesters (P1) contain (A) an acid component comprising (mole-%) (a1) 30-99% succinic, sebacic, azelaic and/or brassylic acid and optionally also adipic acid or their ester-forming derivatives or mixtures, (a2) 1-70% terephthalic acid or its ester-forming derivative and (a3) 0-5% compound containing sulfonate groups, (B) a diol component of propan-1,3-diol and/or butan-1,4-diol and optionally (C, D) other cited components. Biodegradable polyesters (P1) contain (A) an acid component comprising (mole-%) (a1) 30-99% succinic, sebacic, azelaic and/or brassylic acid and optionally also adipic acid or their ester-forming derivatives or mixtures, (a2) 1-70% terephthalic acid or its ester-forming derivative and (a3) 0-5% compound containing sulfonate groups, (B) a diol component of propan-1,3-diol and/or butan-1,4-diol and optionally also component(s) selected from (C) (c1) dihydroxy compounds (I) with ether function(s), (c2) hydroxycarboxylic acid(s) (IIa) or lactones (IIb), (c3) amino-2-12 carbon (C) alkanol(s) and/or amino-5-10 C cycloalkanol, (c4) diamino-1-8 C alkane(s), (c5) 2,2'-bisoxazoline(s) (III) and/or (c6) aminocarboxylic acid(s) selected from natural amino-acids, polyamides obtained by polycondensation of a 4-6 C dicarboxylic acid and a 4-10 C diamine, amino acid(s) (IVa) and lactam(s) (IVb) and polyoxazolines with recurring units (V), (D) (d1) compound(s) with not less than 3 ester-forming groups, (d2) isocyanate(s) and/or (d3) divinyl ether(s), of the following formulae: HO-[(CH2)n-O]m-H (I); HO-[C(O)-G-O-]p-H (IIa); HO-[C(O)-T-N(H)]s-H (IVa); G : phenylene, -(CH2)q-, -C(R)H- or -C(R)HCH2-; T : phenylene, -(CH2)u-, -C(R2>)H- or -C(R2>)HCH2; R, R2>Me or Et; R1>a single bond, alkylene (CH2)z or phenylene; R3>H, 1-6 C alkyl, 5-8 C cycloalkyl, phenyl with 0-3 (1-4 C)-alkyl substituent(s) or tetrahydrofuryl; n, z : 2, 3 or 4; m : 2-250; p, s : 1-1500; q : 1-5; r, t : 1-4. Independent claims are included for (1) biodegradable polyester mixture (PM) containing (P1), other biodegradable polyesters and other component(s); (2) 2 methods of preparing (P1); (3) 2 methods of preparing (PM); (4) premixes containing the (PM) components; (5) moldings, films or fibers made from the (PM). [Image].

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