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公开(公告)号:AU5750698A
公开(公告)日:1998-06-22
申请号:AU5750698
申请日:1997-11-21
Applicant: BASF AG
Inventor: KELLER ANDREAS , LAWRENZ SVEN , BAUER GERHARD , SCHMIDT-THUMMES JURGEN , BACHER REINHARD , HARTMANN JURGEN , TSCHANG CHUNG-JI
Abstract: A polymer dispersion is prepared by free radical polymerization of an aqueous monomer emulsion by a process in which the monomer emulsion is prepared continuously at the rate of consumption.
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12.
公开(公告)号:PE26197A1
公开(公告)日:1997-08-29
申请号:PE00078296
申请日:1996-11-07
Applicant: BASF AG
Inventor: WISTUBA ECKEHARDT , ANSELMANN THOMAS , SCHMIDT-THUMMES JURGEN , DRAGON ANDREE
IPC: C08F12/08 , C08K3/28 , C08F2/22 , C08F18/04 , C08F212/00 , C08F212/06 , C08F212/08 , C08F236/10 , C08K3/00 , C08K5/17 , C08L25/00 , C08L25/02 , C09D5/00 , C09D109/06 , C09D109/08 , C09D125/00 , C09D125/02 , C09D125/10 , C09D133/12 , C09D135/06
Abstract: SE REFIERE A UNA DISPERSION ACUOSA DE POLIMERIZADO, CUYA DISTRIBUCION DISPERSA EN SU FORMA RADICAL POLIMERIZADA, ESTA COMPUESTO DE: 20% A 65% EN PESO DE AL MENOS UN MONOMERO DE VINILO AROMATICO (MONOMEROS A), PREFERIBLEMENTE LOS MONOMEROS A, CONSTAN DE ESTIRENO Y/O VINILTOLUENO; DE 35% A 80% EN PESO DE AL MENOS DOS MONOMEROS CON DOS DOBLES ENLACES ETILENICAMENTE INSATURADOS CONJUGADOS (MONOMEROS B), PREFERIBLEMENTE LOS MONOMEROS B, CONSTAN DE BUTADIENO Y/O ISOPRENO; Y DE 0% A 10% EN PESO DE OTROS MONOMEROS QUE CONTIENEN AL MENOS UN DOBLE ENLACE ETILENICAMENTE INSATURADO (MONOMEROS C) SELECCIONADOS DEL GRUPO QUE COMPRENDE ESTERES VINILICOS DE ACIDOS ALCANOCARBOXILICOS CON C1-C3, ESTERES DEL ACIDO (MET)ACRILICO CON ALCANOLES DE C1-C8, ENTRE OTROS, PREFERIBLEMENTE LOS MONOMEROS C, SON SELECCIONADOS DE FORMIATO DE VINILO, ACETATO DE VINILO, ACIDO ACRILICO, ENTRE OTROS; EN DONDE EL CONTENIDO EN IONES DE METALES ALCALINOS CON RESPECTO A LA MASA DEL POLIMERIZADO DISPERSADO ES APROXIMADAMENTE � 0,5% EN PESO, EL DIAMETRO DE PARTICULA NUMERICO-MEDIO DEL POLIMERIZADO ES ALREDEDOR DE 100nm A 250nm, Y EL MEDIO DE DISPERSION ACUOSO PRESENTA UN VALOR DE pH = 6. ES UTIL PARA LA GENERACION DE BARRERAS DE VAPOR DE AGUA, PARA RECUBRIMIENTOS DE SUSTRATOS (HORMIGON, YESO, MADERA, ENTRE OTROS)
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公开(公告)号:AU2003226809A1
公开(公告)日:2003-11-10
申请号:AU2003226809
申请日:2003-04-15
Applicant: BASF AG
Inventor: ETTL ROLAND , HAMERS CHRISTOPH , SCHMIDT-THUMMES JURGEN
IPC: C08F4/40 , C08F212/08 , C08F236/04 , C08F251/00 , C08F251/02 , C08L51/02 , C09D151/02 , D21H17/35 , D21H21/16
Abstract: Aqueous polymer dispersions which are obtainable by free radical copolymerization of (a) from 0.1 to 99.9% by weight of styrene and/or methylstyrene, (b) 0.1-99.9% by weight of 1,3-butadiene and/or isoprene and (c) from 0 to 40% by weight of other ethylenically unsaturated copolymerizable monomers, the sum of the monomers (a), (b) and (c) always being 100, in the presence of from 10 to 40% by weight, based on the monomers used, of at least one degraded starch having a molecular weight Mn of from 500 to 40 000 and of water-soluble redox catalysts are prepared by free radical copolymerization of the monomers (a), (b) and, if required, (c) in an aqueous medium in the presence of a degraded starch having a molecular weight Mn of from 500 to 10 000 and redox initiators and are used as engine sizes and surface sizes for paper.
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14.
公开(公告)号:MX9605452A
公开(公告)日:1998-01-31
申请号:MX9605452
申请日:1996-11-08
Applicant: BASF AG
Inventor: SCHMIDT-THUMMES JURGEN , WISTUBA ECKEHARDT , DRAGON ANDREE , ANSELMANN THOMAS
Abstract: Uso de una dispersion acuosa de polimerizado, cuyo polimerizado está compuesto de vinilaromáticos y dienos conjugados, y que presenta un reducido contenido de iones de metales alcalinos, para la obtencion de barreras de vapor de agua, así como la dispersion acuosa de polimerizado pobre el metales alcalinos misma.
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公开(公告)号:CA2609411C
公开(公告)日:2014-04-01
申请号:CA2609411
申请日:2006-05-24
Applicant: BASF AG
Inventor: MAHR NORBERT , MECK DIETER , BLUM RAINER , HEMEL RALF , GISPERT NORBERT , SCHMIDT-THUMMES JURGEN , HAMERS CHRISTOPH
IPC: D21H17/69
Abstract: The invention relates to a method for producing filled papers and filled paper products by adding an aqueous suspension of at least one finely particulate polymer-pigment hybrid to a paper-making stock and dewatering the paper-making stock while forming sheets. The polymer-pigment hybrid is obtained by grinding an aqueous suspension of at least inorganic pigment in the presence of at least one binder and optionally by drying the aqueous suspension so obtained and redispersing the dried polymer-pigment hybrid in water. The invention also relates to the polymer-pigment hybrids so obtained as fillers for producing filled paper or filled paper products.
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公开(公告)号:CA2272863C
公开(公告)日:2007-04-24
申请号:CA2272863
申请日:1997-11-21
Applicant: BASF AG
Inventor: KELLER ANDREAS , TSCHANG CHUNG-JI , HARTMANN JURGEN , LAWRENZ SVEN , SCHMIDT-THUMMES JURGEN , BAUER GERHARD , BACHER REINHARD
Abstract: The invention relates to a method for producing a polymer dispersion by radical polymerization of an aqueous monomer emulsion in a semibatch process wherein the monomer emulsion is produced continuously in accordance with consumption, and wherein the components of the monomer emulsion are mixed in at least one mixing apparatus to give the emulsion.
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公开(公告)号:ES2268656T3
公开(公告)日:2007-03-16
申请号:ES04731922
申请日:2004-05-10
Applicant: BASF AG
Inventor: PAKUSCH JOACHIM , KOPPERS MARKUS , GASCHLER WOLFGANG , SACK HEINRICH , SCHMIDT-THUMMES JURGEN , DENU HANS-JURGEN
Abstract: Procedimiento de elaboración de polímero en polvo por evaporación de los componentes volátiles de las dispersiones acuosas de polímero P formador de película, caracterizado porque la dispersión polimérica acuosa antes de la evaporación de los componentes volátiles presenta aún auxiliares de secado T, presentes en una cantidad del 0, 1 al 80 % en peso de, relativo al polímero P de la dispersión, empleándose polivinilformamida como auxiliar de secado T.
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公开(公告)号:ES2163211T3
公开(公告)日:2002-01-16
申请号:ES97953687
申请日:1997-11-21
Applicant: BASF AG
Inventor: KELLER ANDREAS , LAWRENZ SVEN , BAUER GERHARD , SCHMIDT-THUMMES JURGEN , BACHER REINHARD , HARTMANN JURGEN
Abstract: A polymer dispersion is prepared by free radical polymerization of an aqueous monomer emulsion by a process in which the monomer emulsion is prepared continuously at the rate of consumption.
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公开(公告)号:BR9711230A
公开(公告)日:1999-08-17
申请号:BR9711230
申请日:1997-08-26
Applicant: BASF AG
Inventor: HERRMANN CHRISTOF , HUEBINGER WOLFGANG , KREMESKOETTER JENS , MINGES ROLAND , SCHMIDT-THUMMES JURGEN , MORITZ HANS-ULRICH , SCHMIDT WOLFGANG , RIDDER MAREN
Abstract: A curved tubular flow reactor designed for carrying out chemical reactions continuously, for preparing mixtures and as a liquid-phase heat exchanger comprises a plurality of successive bends having alternating directions of curvature.
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公开(公告)号:AU4207597A
公开(公告)日:1998-03-19
申请号:AU4207597
申请日:1997-08-26
Applicant: BASF AG
Inventor: HERRMANN CHRISTOF , HUBINGER WOLFGANG , KREMESKOTTER JENS , MINGES ROLAND , SCHMIDT-THUMMES JURGEN , MORITZ HANS-ULRICH , SCHMIDT WOLFGANG , RIDDER MAREN
Abstract: A curved tubular flow reactor designed for carrying out chemical reactions continuously, for preparing mixtures and as a liquid-phase heat exchanger comprises a plurality of successive bends having alternating directions of curvature.
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