公开(公告)号：CA2565710C

公开(公告)日：2013-01-08

申请号：CA2565710

申请日：2005-06-03

Applicant: BASF AG

Inventor： KUKULA HILDEGARD ,  ETTL ROLAND ,  DYLLICK-BRENZINGER RAINER ,  STURM BERNHARD

IPC: C08F212/08 ,  C08F2/06 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16

Abstract: The invention relates to a fine-particled, amphoteric, aqueous polymer dispersion, obtained by means of a two-stage polymerisation, whereby, in the first polymerisation stage, a pre-polymer made from a monomer mixture of (a) 15 to 40 wt. % of at least one (meth)acrylate ester and/or (meth)acrylamide with a free, protonated and/or quaternised amino group, (b) 40 to 70 wt. % of at least one optionally substituted styrol, (c) 0 to 25 wt. % acrylonitrile and/or methacrylonitrile, (d) 0.5 to 5 wt. % of at least one ethylenically-unsaturated monomer comprising acid groups and (e) 0 to 30 wt. % of at least one non-ionic ethylenically-unsaturated monomer different from (b) or (c) and the sum of (a) + (b) + (c) + (d) + (e) = 100 wt. % is prepared by solution polymerisation in a solvent which is partly to completely miscible with water, the solution/dispersion of the pre-polymer is then added to water and then subjected to an emulsion polymerisation in a second polymerisation step with at least one non-ionic, ethylenically-unsaturated monomer. The invention further relates to the production of the polymer dispersion by a two-stage polymerisation and use of the polymer dispersion as sizing medium for paper, pulp and cardboard.

公开(公告)号：BRPI0511717A

公开(公告)日：2008-01-22

申请号：BRPI0511717

申请日：2005-06-03

Applicant: BASF AG

Inventor： KUKULA HILDEGARD ,  ETTL ROLAND ,  DYLLICK-BRENZINGER RAINER ,  STURM BERNHARD

IPC: C08F212/08 ,  C08F2/06 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16

Abstract: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.

公开(公告)号：DE502005002168D1

公开(公告)日：2008-01-17

申请号：DE502005002168

申请日：2005-06-03

Applicant: BASF AG

Inventor： KUKULA HILDEGARD ,  ETTL ROLAND ,  DYLLICK-BRENZINGER RAINER ,  STURM BERNHARD

IPC: C08F212/08 ,  C08F2/06 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16

Abstract: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.

公开(公告)号：CA2565710A1

公开(公告)日：2005-12-22

申请号：CA2565710

申请日：2005-06-03

Applicant: BASF AG

Inventor： ETTL ROLAND ,  STURM BERNHARD ,  DYLLICK-BRENZINGER RAINER ,  KUKULA HILDEGARD

IPC: C08F212/08 ,  C08F2/06 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16

Abstract: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.

公开(公告)号：AT380206T

公开(公告)日：2007-12-15

申请号：AT05750531

申请日：2005-06-03

Applicant: BASF AG

Inventor： KUKULA HILDEGARD ,  ETTL ROLAND ,  DYLLICK-BRENZINGER RAINER ,  STURM BERNHARD

IPC: C08F212/08 ,  C08F2/06 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16

Abstract: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.

公开(公告)号：DE102004027735A1

公开(公告)日：2005-12-22

申请号：DE102004027735

申请日：2004-06-07

Applicant: BASF AG

Inventor： KUKULA HILDEGARD ,  ETTL ROLAND ,  DYLLICK-BRENZINGER RAINER ,  STURM BERNHARD

IPC: C08F2/06 ,  C08F212/08 ,  C08F212/10 ,  C08F220/34 ,  C08F220/36 ,  C08F220/60 ,  C08F257/02 ,  C14C11/00 ,  D21H11/14 ,  D21H17/37 ,  D21H17/45 ,  D21H21/16 ,  C08F291/12 ,  C14C9/00 ,  D21H17/20 ,  C09J133/14

Abstract: Finely divided, amphoteric, aqueous polymer dispersions which are obtainable by a two-stage polymerization, a prepolymer being prepared in the first polymerization stage from a monomer mixture comprising (a) from 15 to 40% by weight of at least one (meth)acrylate and/or (meth)acrylamide having in each case a free amino group, protonated amino group and/or quaternized amino group, (b) from 40 to 70% by weight of at least one optionally substituted styrene, (c) from 0 to 25% by weight of acrylonitrile and/or methacrylonitrile, (d) from 0.5 to 5% by weight of at least one ethylenically unsaturated monomer comprising acid groups and (e) from 0 to 30% by weight of at least one nonionic, ethylenically unsaturated monomer differing from (b) and (c), the sum of (a)+(b)+(c)+(d)+(e) being 100% by weight, in a solution polymerization in a solvent partly to completely miscible with water, water then being added to the solution/dispersion of the prepolymer and then at least one nonionic, ethylenically unsaturated monomer being subjected to an emulsion polymerization in the aqueous solution of the prepolymer in a second polymerization stage, processes for the preparation of the polymer dispersions by two-stage polymerization and use of the polymer dispersions as sizes for paper, board and cardboard.