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公开(公告)号:FI88928B
公开(公告)日:1993-04-15
申请号:FI873236
申请日:1987-07-23
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F220/12 , C08F2/22 , C08F2/24 , C08F220/10 , C08F220/18 , C08F220/42 , C08F251/00 , C08F290/00 , D21H17/28 , D21H17/37 , D21H17/55 , D21H21/16 , C08F220/44
Abstract: Sizes for paper are based on finely divided aqueous dispersions of copolymers which are obtainable by copolymerization of from 10 to 56 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric, saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers by an emulsion polymerization method in 100 parts by weight of an aqueous solution of from 1.7 to 25% by weight of a degraded starch having a viscosity eta i of from 0.12 to 0.50 dl/g, at from 40 DEG to 100 DEG C. in the presence of a peroxide-containing initiator.
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公开(公告)号:ES2023442B3
公开(公告)日:1992-01-16
申请号:ES88100893
申请日:1988-01-22
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F2/22 , C08F2/44 , C08F4/28 , C08F20/52 , C08F220/10 , C08F220/12 , C08F220/18 , C08F220/42 , C08F220/56 , C08F251/00 , D21H17/28 , D21H17/37 , D21H19/20 , D21H19/24 , D21H21/16
Abstract: MEDIO DE ENCOLADA PARA PAPEL SOBRE LA BASE DE DISPERSIONES ACUOSAS DIVISIONADAS DE PRECISION DE COPOLIMERIZADAS QUE SE RECIBEN A TRAVES LA COPOLIMERIZACION DE 40 HASTA 140 PARTES EN PESO DE UNA MEZCLA DE MONOIMERO DE (A) 20 HASTA 65% EN PESO DE (MET) ACRILO. (B) 35 HASTA 80% EN PESO DE UNO O VARIOS ESTERES ACRILICOS DE C3 HASTA C8 ALCOHOLOS MONOVALENTES Y SATURADOS Y (C) 0 HASTA 10% EN PESO DE OTROS MONOMEROS ETILENICOS NO SATURADOS, CON LO CUAL LA SUMA DE LOS PORCIENTOS EN PESO (A), (B) Y (C) SIEMPRE ESTAN A 100, DEL MODO DE EMULSION POLIMERIZADA EN 100 PARTES EN PESO DE UNA SOLUCION ACUOSA QUE CONTIENE 2,7 HASTA 15% EN PESO DE UN ALMIDON AGOTADO CON UNA VISCOSIDAD 0,004 HASTA MENOS DE 0,12 DL/G SOLUTO, CON TEMPERATURAS DE 40 HASTA 100 C EN PRESENCIA DE UN INICIADOR QUE CONTIENE GRUPOS DE PEROXIDO.
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公开(公告)号:NO159492B
公开(公告)日:1988-09-26
申请号:NO813566
申请日:1981-10-22
Applicant: BASF AG
Inventor: REICHEL FRITZ , RICHTER KONRAD , HOEHR LOTHAR
IPC: C08F2/06 , C08F220/34 , C08F246/00 , D21H17/42 , D21H17/45 , D21H21/16 , D21H3/36
Abstract: 1. A finely divided polymer dispersion which contains polymerized units of nitrogen-containing monomers, and is obtained by a two-stage polymerization reaction, wherein, in the first polymerization stage, a low molecular weight prepolymer, which has a viscosity of from 1.06 to 1.40 (measured in an Ubbelohde viscometer) in a 1% strength solution of a mixture of 99 parts by weight of dimethyl formamide and 1 part by weight of glacial acetic acid at 20 degrees C, is prepared in a water-miscible solvent, which may contain up to 15% by weight of water, in the manner of a solution copolymerization from a monomer mixture which contains (a) per mole of a nitrogen-containing monomer of the formula see diagramm : EP0051144,P13,F1 or see diagramm : EP0051144,P13,F3 where A is O or NH, B is Cn H2n , n being from 1 to 8, R**1 and R**2 are each Cm H2m+1 , m being from 1 to 4, R**3 is H or CH3 , X4 **- is OH**- , Cl**- , Br**- or CH3 -OSO3 H**- , and R**4 is Cm H2m+1 , m being from 1 to 4, (b) 2.5 to 10 moles of at least one nonionic, hydrophobic, ethylenically unsaturated monomer which, if it is polymerized on its own, forms a hydrophobic polymer, (c) 0.5 to 1.5 moles of an ethylenically unsaturated carboxylic acid or maleic anhydride, and (d) 0 to 7 moles of a nonionic, hydrophilic, ethylenically unsaturated monomer, the solution of the prepolymer is diluted with water in a weight ratio of from 1:3 to 1:50 and, in the second polymerization stage, 1 to 32 parts by weight of at least one nonionic, hydrophobic, ethylenically unsaturated monomer, which is the same as monomer (b) of the prepolymer, are polymerized per part by weight of the solution polymer in this polymer solution in the manner of an emulsion polymerization in the presence of a usual amount of a water-soluble polymerization initiator.
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公开(公告)号:DK422187A
公开(公告)日:1988-02-15
申请号:DK422187
申请日:1987-08-13
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F220/12 , C08F2/22 , C08F2/24 , C08F220/10 , C08F220/18 , C08F220/42 , C08F251/00 , C08F290/00 , D21H17/28 , D21H17/37 , D21H17/55 , D21H21/16 , D21H3/44 , D21H3/46 , D21H3/20 , C08F220/44
Abstract: Sizes for paper are based on finely divided aqueous dispersions of copolymers which are obtainable by copolymerization of from 10 to 56 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric, saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers by an emulsion polymerization method in 100 parts by weight of an aqueous solution of from 1.7 to 25% by weight of a degraded starch having a viscosity eta i of from 0.12 to 0.50 dl/g, at from 40 DEG to 100 DEG C. in the presence of a peroxide-containing initiator.
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公开(公告)号:DK44588D0
公开(公告)日:1988-01-29
申请号:DK44588
申请日:1988-01-29
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F2/22 , C08F2/44 , C08F4/28 , C08F20/52 , C08F220/10 , C08F220/12 , C08F220/18 , C08F220/42 , C08F220/56 , C08F251/00 , D21H17/28 , D21H17/37 , D21H19/20 , D21H19/24 , D21H21/16 , D21H3/46
Abstract: Sizing agents for paper are based on finely divided aqueous dispersions of copolymers obtainable by copolymerizing from 40 to 140 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers, the weight percentages (a), (b) and (c) always adding up to 100, in the manner of an emulsion polymerization in 100 parts by weight of an aqueous solution containing in solution from 2.7 to 15% by weight of a degraded starch having a viscosity ni from 0.04 to less than 0.12 dl/g at from 40 DEG to 100 DEG C. in the presence of a peroxide initiator.
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公开(公告)号:FI812751L
公开(公告)日:1982-04-24
申请号:FI812751
申请日:1981-09-04
Applicant: BASF AG
Inventor: REICHEL FRITZ , RICHTER KONRAD , HOEHR LOTHAR
IPC: C08F2/06 , C08F220/34 , C08F246/00 , D21H17/42 , D21H17/45 , D21H21/16 , C08F
Abstract: 1. A finely divided polymer dispersion which contains polymerized units of nitrogen-containing monomers, and is obtained by a two-stage polymerization reaction, wherein, in the first polymerization stage, a low molecular weight prepolymer, which has a viscosity of from 1.06 to 1.40 (measured in an Ubbelohde viscometer) in a 1% strength solution of a mixture of 99 parts by weight of dimethyl formamide and 1 part by weight of glacial acetic acid at 20 degrees C, is prepared in a water-miscible solvent, which may contain up to 15% by weight of water, in the manner of a solution copolymerization from a monomer mixture which contains (a) per mole of a nitrogen-containing monomer of the formula see diagramm : EP0051144,P13,F1 or see diagramm : EP0051144,P13,F3 where A is O or NH, B is Cn H2n , n being from 1 to 8, R**1 and R**2 are each Cm H2m+1 , m being from 1 to 4, R**3 is H or CH3 , X4 **- is OH**- , Cl**- , Br**- or CH3 -OSO3 H**- , and R**4 is Cm H2m+1 , m being from 1 to 4, (b) 2.5 to 10 moles of at least one nonionic, hydrophobic, ethylenically unsaturated monomer which, if it is polymerized on its own, forms a hydrophobic polymer, (c) 0.5 to 1.5 moles of an ethylenically unsaturated carboxylic acid or maleic anhydride, and (d) 0 to 7 moles of a nonionic, hydrophilic, ethylenically unsaturated monomer, the solution of the prepolymer is diluted with water in a weight ratio of from 1:3 to 1:50 and, in the second polymerization stage, 1 to 32 parts by weight of at least one nonionic, hydrophobic, ethylenically unsaturated monomer, which is the same as monomer (b) of the prepolymer, are polymerized per part by weight of the solution polymer in this polymer solution in the manner of an emulsion polymerization in the presence of a usual amount of a water-soluble polymerization initiator.
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公开(公告)号:CA1035074A
公开(公告)日:1978-07-18
申请号:CA238879
申请日:1975-11-03
Applicant: BASF AG
Inventor: WENDEL KURT , REICHEL FRITZ , TAUBITZ CHRISTOF
IPC: C08F212/08 , C08F220/12 , C08F220/44 , D21H17/42 , D21H17/43 , D21H17/45 , C08F220/34
Abstract: Shear-resistant aqueous copolymer emulsions which can be used for sizing paper are manufactured by first copolymerizing, in the aqueous phase of an aqueous emulsion, using conventional polymerization initiators which form free radicals, (A) from 0.5 to 15 per cent by weight of monomers containing a polymerizable C=C bond and at least one carboxyl and/or sulfonic acid or phosphate or phosphite group with (B) from 5 to 30 per cent by weight of monomers containing a C=C bond and a tertiary or quaternary amino group, or a nitrogen-containing heterocyclic group, and then adding, while continuing the copolymerization, (C) from 0 to 94.5 per cent by weight of styrene and/or acrylonitrile and (D) from 0 to 94.5 per cent by weight of acrylic or methacrylic acid esters of alkanols of 1 to 8 carbon atoms as well as (E) from 0 to 30 per cent by weight of further olefinically unsaturated monomers, and completing the polymerization, the pH during the polymerization being less than 7 and the amount of monomers (C) and (D) together being at least 25 per cent by weight.
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公开(公告)号:FI88928C
公开(公告)日:1993-07-26
申请号:FI873236
申请日:1987-07-23
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F220/12 , C08F2/22 , C08F2/24 , C08F220/10 , C08F220/18 , C08F220/42 , C08F251/00 , C08F290/00 , D21H17/28 , D21H17/37 , D21H17/55 , D21H21/16 , C08F220/44
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公开(公告)号:NO170230C
公开(公告)日:1992-09-23
申请号:NO880391
申请日:1988-01-29
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F2/22 , C08F2/44 , C08F4/28 , C08F20/52 , C08F220/10 , C08F220/12 , C08F220/18 , C08F220/42 , C08F220/56 , C08F251/00 , D21H17/28 , D21H17/37 , D21H19/20 , D21H19/24 , D21H21/16
Abstract: Sizing agents for paper are based on finely divided aqueous dispersions of copolymers obtainable by copolymerizing from 40 to 140 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers, the weight percentages (a), (b) and (c) always adding up to 100, in the manner of an emulsion polymerization in 100 parts by weight of an aqueous solution containing in solution from 2.7 to 15% by weight of a degraded starch having a viscosity ni from 0.04 to less than 0.12 dl/g at from 40 DEG to 100 DEG C. in the presence of a peroxide initiator.
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公开(公告)号:AU591375B2
公开(公告)日:1989-11-30
申请号:AU1110588
申请日:1988-01-29
Applicant: BASF AG
Inventor: DEGEN HANS-JUERGEN , REICHEL FRITZ , RIEBELING ULRICH , HOEHR LOTHAR
IPC: C08F2/22 , C08F2/44 , C08F4/28 , C08F20/52 , C08F220/10 , C08F220/12 , C08F220/18 , C08F220/42 , C08F220/56 , C08F251/00 , D21H17/28 , D21H17/37 , D21H19/20 , D21H19/24 , D21H21/16 , D21H3/28 , D21H3/46
Abstract: Sizing agents for paper are based on finely divided aqueous dispersions of copolymers obtainable by copolymerizing from 40 to 140 parts by weight of a monomer mixture of (a) from 20 to 65% by weight of (meth)acrylonitrile, (b) from 35 to 80% by weight of one or more acrylates of monohydric saturated C3-C8-alcohols and (c) from 0 to 10% by weight of other ethylenically unsaturated copolymerizable monomers, the weight percentages (a), (b) and (c) always adding up to 100, in the manner of an emulsion polymerization in 100 parts by weight of an aqueous solution containing in solution from 2.7 to 15% by weight of a degraded starch having a viscosity ni from 0.04 to less than 0.12 dl/g at from 40 DEG to 100 DEG C. in the presence of a peroxide initiator.
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