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公开(公告)号：DE4114641A1
公开(公告)日：1992-11-05
申请号：DE4114641
申请日：1991-05-04
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , WAGNER DANIEL DR , SCHOEN WILFRIED , ENDLICH KARL-LUDWIG
IPC: C08F2/22 , C08F2/38 , C08F285/00
Abstract: Emulsion graft copolymers composed of a) 2-10% by weight of a core composed of 80-99.99% by weight of methyl methacrylate (I), 0.01-5% by weight of allyl methacrylate (II), 0-19.99% by weight of other monofunctional comonomers (III) and 0-3% by weight of other di- or polyfunctional comonomers (IV), b) 15-50% by weight of a first shell composed of 60-89.99% by weight of a C1-C20-alkyl acrylate (V), 10-39.99% by weight of a vinylaromatic monomer (VI), 0.01-5% by weight of II, 0-10% by weight of I and/or III, 0-3% by weight of IV, c) 5-20% by weight of a second shell with a composition as indicated under (a), d) 15-50% by weight of a third shell with a composition as indicated under (b), e) 15-30% by weight of a fourth shell composed of 80-99.95% by weight of I, 0.05-2% by weight of a regulator (VII) and 0-19.95% by weight of III, are suitable as additives to increase the impact strength of thermoplastic compositions.
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公开(公告)号：ES2100600T3
公开(公告)日：1997-06-16
申请号：ES94109817
申请日：1994-06-24
Applicant: BASF AG
Inventor： DECKERS ANDREAS DR , BESECKE SIEGMUND DR , ENDLICH KARL-LUDWIG
IPC: C08F2/20 , C08F2/42 , C08F4/32 , C08F4/36 , C08F220/12
Abstract: Bead polymers comprising 80 to 99 % by weight of at least one C1-C18-alkyl ester of methacrylic acid and 1 to 20 % by weight of at least one C1-C18-alkyl ester of acrylic acid, obtainable by polymerisation, at a temperature between 100 and 140 DEG C which is approximately constant over the majority of the polymerisation time, by means of an initiator system comprising at least two peroxidic initiators I having different decomposition temperatures T, at which in each case half of the initiator has decomposed after 1 hour, wherein - the initiator Imin having the lowest decomposition temperature has a decomposition temperature Tmin in the range from 60 to 100 DEG C, - the initiator Imax having the highest decomposition temperature has a decomposition temperature Tmax in the range from 100 to 140 DEG C, the difference between Tmax and Tmin is greater than 10 DEG C, and Imax is a perketal of the formula (I) in which the radicals R and R are identical or different alkyl radicals having 1 to 5 carbon atoms, where R and R can be connected to form a 5- or 6-membered ring, and R is a tert-butyl or tert-amyl radical, and - further initiators In, which can be used if desired and have decomposition temperatures Tn between Tmin and Tmax, in the presence of a protective colloid, with the proviso that from 20 to 80 % by weight of the C1-C18-alkyl ester of acrylic acid is only added after a conversion in the range from 20 to 80 %, based on the amount of monomer employed at the beginning.
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公开(公告)号：AT152457T
公开(公告)日：1997-05-15
申请号：AT93111638
申请日：1993-07-21
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , HOFMANN JUERGEN , KROEGER HARALD , OHLIG HILMAR
Abstract: The preparation of a polymer essentially comprising units of the formula I in which R and R are hydrogen or methyl, and R is C1-C18-alkyl, C5-C12-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl, where these radicals, with the exception of the C1-C18-alkyl radicals, may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, by reacting a polymer based on C1-C20-alkyl esters of acrylic acid, methacrylic acid or mixtures thereof with ammonia or a primary amine in an extruder, by vigorously mixing the ammonia or the primary amine with a melt of the polymer to be reacted at a maximum temperature of 250 DEG C before carrying out the imidation, and the use of the polymers prepared by this process for the production of thermoplastic mouldings, films or fibres, and mouldings, films or fibres made from these polymers.
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公开(公告)号：DE59304652D1
公开(公告)日：1997-01-16
申请号：DE59304652
申请日：1993-06-24
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , LAUKE HARALD DR
IPC: C08F8/32
Abstract: Copolymers obtainable by (I) copolymerisation of a monomer mixture comprising (A) from 1 to 98 % by weight of a monomer of the formula I in which the variables have the following meaning: R to R are hydrogen, C1-C10-alkyl, C1-C10-alkoxy, where an oxygen atom may be inserted between two carbon atoms in each of the alkyl or alkoxy radicals having more than one carbon atom, C5-C8-cycloakyl, optionally substituted C6-C10-aryl, C6-C10-aryl-C1-C10-alkyl, C6-C10-aryloxy, cyano, halogen, -CO-O-R , -O-CO-R or -CO-NR R , where R and R are hydrogen, C1-C10-alkyl, C5-C8-cylcoalkyl, optionally substituted C6-C10-aryl or C6-C10-aryl-C1-C10-alkyl; p is 0, 1 or 2; Z is -CH2-, oxygen or sulphur; Y is oxygen or -N-R , where R is hydrogen, C1-C22-alkyl, C5-C12-cycloalkyl, optionally C6-C10-aryl or C6-C10-aryl-C1-C10-alkyl; (B)from 1 to 98 % by weight of a compound selected from the group consisting of acrylic and methacrylic acid and esters thereof, and (C) from 0 to 98 % by weight of a further monomer, and (II) reaction of the resultant copolymers with a primary amine, and a process for the preparation of these copolymers, their use for the production of mouldings, and mouldings made from these polymers, homopolymers and copolymers as intermediates.
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公开(公告)号：DE59302774D1
公开(公告)日：1996-07-11
申请号：DE59302774
申请日：1993-02-10
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , FISCHER HERMANN DR , NEUFELD ECKHARD
Abstract: The production of particulate polymers obtainable by reacting a polymer based on C1-C22-alkyl esters of acrylic and/or methacrylic acid with ammonia and/or at least one primary amine RNH2, by …… A) allowing a solution of the polymer to exit a nozzle in a multiplicity of liquid jets, … B) causing the liquid jets to break up into drops having a narrow particle size distribution by setting the nozzle into longitudinal or transverse vibration or by pulsing the liquid in the nozzle or by providing a distance between exit from the nozzle and entry into a precipitation bath, … C) precipitating the resultant drops by introduction into a precipitation bath containing a liquid in which the polymer is insoluble, … D) removing solvent residues and other impurities present in the polymer particles, … and the use of the resultant particulate poly(meth)acrylimides for the production of mouldings, and moulding obtainable from these polymers.
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Patent Agency Ranking
公开(公告)号：DE59206478D1
公开(公告)日：1996-07-11
申请号：DE59206478
申请日：1992-09-10
Applicant: BASF AG
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公开(公告)号：ES2085076T3
公开(公告)日：1996-05-16
申请号：ES93109179
申请日：1993-06-08
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , LAUKE HARALD DR
Abstract: A polymer essentially containing units of the formula I in which R and R are hydrogen or methyl and R is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, obtainable by reacting a polymer based on C1-C20-alkyl esters of methacrylic acid and/or acrylic acid with a primary amine of the formula II R NH2 II in the presence of a compound selected from the group consisting of phosphinic acid and phosphonic acid and the alkali metal, alkaline earth metal and aluminium and ammonium salts thereof, where the ammonium ion may be substituted by up to four C1-C4-alkyl and/or C5-C8-cycloalkyl groups, or mixtures thereof, and a process for the preparation of these polymers, their use for the production of mouldings, and mouldings made from these polymers.
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公开(公告)号：DE59204583D1
公开(公告)日：1996-01-18
申请号：DE59204583
申请日：1992-09-10
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , LAUKE HARALD DR , DECKERS ANDREAS DR
IPC: C08F2/38 , C08F220/12 , C08F220/14 , C08L33/12 , C08L51/00
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公开(公告)号：DE59203581D1
公开(公告)日：1995-10-12
申请号：DE59203581
申请日：1992-12-05
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , LOTH WOLFGANG DR , LAUKE HARALD DR
Abstract: A polymer essentially containing units of the formula I in which R and R are hydrogen or methyl, and R is C4-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl, where these radicals, with the exception of the C4-C18-alkyl radicals, may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkyl, C1-C4-alkoxy and halogen, and containing less than or equal to 0.40 equivalent of carboxyl and anhydride groups per kilogram of polymer and having an inherent colour (measured as yellowness index) of less than or equal to 2.0, obtainable by reacting a polymer based on C1-C20-alkyl esters of (meth)acrylic acid with a primary amine of the formula II R NH2 II by removing the alcohol formed during the reaction from the reaction mixture.
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公开(公告)号：DE4205882A1
公开(公告)日：1993-09-02
申请号：DE4205882
申请日：1992-02-26
Applicant: BASF AG
Inventor： BESECKE SIEGMUND DR , DECKERS ANDREAS DR , FISCHER HERMANN DR , NEUFELD ECKHARD
Abstract: The production of particulate polymers obtainable by reacting a polymer based on C1-C22-alkyl esters of acrylic and/or methacrylic acid with ammonia and/or at least one primary amine RNH2, by …… A) allowing a solution of the polymer to exit a nozzle in a multiplicity of liquid jets, … B) causing the liquid jets to break up into drops having a narrow particle size distribution by setting the nozzle into longitudinal or transverse vibration or by pulsing the liquid in the nozzle or by providing a distance between exit from the nozzle and entry into a precipitation bath, … C) precipitating the resultant drops by introduction into a precipitation bath containing a liquid in which the polymer is insoluble, … D) removing solvent residues and other impurities present in the polymer particles, … and the use of the resultant particulate poly(meth)acrylimides for the production of mouldings, and moulding obtainable from these polymers.
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