公开(公告)号：PT94914A

公开(公告)日：1991-04-18

申请号：PT9491490

申请日：1990-08-06

Applicant: BASF AG

Inventor： NIESSNER MANFRED ,  GRUND NORBERT ,  HEIDE WILFRIED ,  HARTMANN HEINRICH

IPC: B01D21/01 ,  C02F1/50 ,  C02F1/54 ,  C02F1/56 ,  C02F11/00 ,  C02F11/14 ,  C08F2/32 ,  C08F6/00 ,  C08F6/24 ,  C09K3/00

Abstract: Process for the preparation of finely divided polymer powders by polymerisation of water-soluble monomers in the aqueous phase of a water-in-oil emulsion in the presence of water-in-oil emulsifiers and polymerisation initiators, removal of water from the resulting water-in-oil polymer suspension by an azeotropic method and isolation of the suspended finely divided polymer powder, wherein either the polymerisation of the water-soluble monomers is carried out in the presence of 0.1 to 10% by weight, based on the monomers used in the polymerisation, of protective colloids or the protective colloids are added to the water-in-oil polymer suspension after the end of the polymerisation. The polymerisation is preferably carried out in the presence of a wetting agent. The finely divided pulverulent polymers are used as flocculants or thickeners for aqueous systems.

公开(公告)号：FI872610A0

公开(公告)日：1987-06-11

申请号：FI872610

申请日：1987-06-11

Applicant: BASF AG

Inventor： LINHART FRIEDRICH ,  DEGEN HANS-JUERGEN ,  AUHORN WERNER ,  KROENER MICHAEL ,  HARTMANN HEINRICH ,  HEIDE WILFRIED

IPC: D21H17/23 ,  D21H17/34 ,  D21H17/37 ,  D21H17/47 ,  D21H17/55 ,  D21H23/76 ,  D21H

Abstract: Paper, board and cardboard are produced by draining a pulp slurry in the presence of high molecular weight, water-soluble polymers of N-vinylamides as drainage aids, retention agents and flocculants. These polymers are particularly effective in a pulp slurry which has a high content of interfering substances and other phenolic compounds.

公开(公告)号：AU553567B2

公开(公告)日：1986-07-24

申请号：AU8498782

申请日：1982-06-18

Applicant: BASF AG

Inventor： LINHART FRIEDRICH ,  HARTMANN JUERGEN ,  JUNG DIETMAR ,  HARTMANN HEINRICH ,  SPOOR HERBERT ,  BURKERT HANS ,  HEIDE WILFRIED

IPC: C02F1/54 ,  C08F20/34 ,  D21H17/37 ,  D21H17/42 ,  D21H17/43 ,  D21H17/45 ,  C08F220/34 ,  C02F1/56

公开(公告)号：NO843784A

公开(公告)日：1985-03-25

申请号：NO843784

申请日：1984-09-21

Applicant: BASF AG

Inventor： MARTISCHIUS FRANZ-DIETER ,  HEIDE WILFRIED

IPC: C08J3/03 ,  C08L

CPC classification number: C08J3/03 ,  C08J2300/10 ,  Y10S507/936

公开(公告)号：ZA8204316B

公开(公告)日：1983-06-29

申请号：ZA8204316

申请日：1982-06-18

Applicant: BASF AG

Inventor： LINHART FRIEDRICH ,  HARTMANN JUERGEN ,  JUNG DIETMAR ,  HARTMANN HEINRICH ,  SPOOR HERBERT ,  BURKERT HANS ,  HEIDE WILFRIED

IPC: B01D21/01 ,  C02F1/54 ,  C08F20/00 ,  C08F20/10 ,  C08F20/34 ,  D21H17/37 ,  D21H17/42 ,  D21H17/43 ,  D21H17/45 ,  C06C ,  C08F ,  D21D ,  D21H

CPC classification number: D21H17/37 ,  C02F1/54 ,  C08F20/34 ,  D21H17/42 ,  D21H17/43 ,  D21H17/455

公开(公告)号：AU8498782A

公开(公告)日：1982-12-23

申请号：AU8498782

申请日：1982-06-18

Applicant: BASF AG

Inventor： LINHART FRIEDRICH ,  HARTMANN JUERGEN ,  JUNG DIETMAR ,  HARTMANN HEINRICH ,  SPOOR HERBERT ,  BURKERT HANS ,  HEIDE WILFRIED

IPC: C02F1/54 ,  C08F20/34 ,  D21H17/37 ,  D21H17/42 ,  D21H17/43 ,  D21H17/45 ,  C08F220/34

公开(公告)号：AT386057T

公开(公告)日：2008-03-15

申请号：AT03022084

申请日：2000-11-10

Applicant: BASF AG

Inventor： HEIDE WILFRIED ,  WICKEL STEFAN ,  DANIEL THOMAS ,  NILGES JOACHIM ,  HOFMANN JUERGEN

IPC: C08F2/10 ,  B01J14/00 ,  B01J19/00 ,  B01J19/20 ,  C08F2/01 ,  C08F220/00

公开(公告)号：DE50105082D1

公开(公告)日：2005-02-17

申请号：DE50105082

申请日：2001-10-17

Applicant: BASF AG

Inventor： HEIDE WILFRIED ,  WICKEL STEFAN ,  DANIEL THOMAS ,  STUEVEN UWE

IPC: C08F2/01 ,  B01J19/20 ,  C08F2/04 ,  C08F2/10 ,  C08F8/00 ,  C08F220/04 ,  C08F220/06 ,  C08F220/56 ,  C08F290/06

Abstract: The invention relates to a cross-linked, water-swellable polymer that contains polymerized into it moieties of a) water-soluble, monoethylenically unsaturated monomers, and b) 0.001 to 5 mole % based on the monomers a) of a cross-linking combination, b1) a first cross-linking agent with at least two (meth)acrylic ester moieties in the molecule and b2) a second cross-linking agent with at least two (meth)allyloxy moieties in the molecule, the molar ratio of b1) to b2) ranging from 0.7:1 to 10:1. The polymer according to the invention has a balanced property profile as regards absorptivity, gel strength, absorption speed and extractable componenents and can be advantageously produced by a continuous method.

公开(公告)号：ES2216983T3

公开(公告)日：2004-11-01

申请号：ES00974512

申请日：2000-11-10

Applicant: BASF AG

Inventor： HEIDE WILFRIED ,  WICKEL STEFAN ,  DANIEL THOMAS ,  NILGES JOACHIM ,  HOFMANN JURGEN

IPC: B01J14/00 ,  B01J19/00 ,  B01J19/20 ,  C08F2/01 ,  C08F2/10 ,  C08F220/00

公开(公告)号：BR0114730A

公开(公告)日：2004-07-06

申请号：BR0114730

申请日：2001-10-17

Applicant: BASF AG

Inventor： HEIDE WILFRIED ,  WICKEL STEFAN ,  DANIEL THOMAS ,  STUEVEN UWE

IPC: C08F2/01 ,  B01J19/20 ,  C08F2/04 ,  C08F2/10 ,  C08F8/00 ,  C08F220/04 ,  C08F220/06 ,  C08F220/56 ,  C08F290/06

Abstract: The invention relates to a cross-linked, water-swellable polymer that contains polymerized into it moieties of a) water-soluble, monoethylenically unsaturated monomers, and b) 0.001 to 5 mole % based on the monomers a) of a cross-linking combination, b1) a first cross-linking agent with at least two (meth)acrylic ester moieties in the molecule and b2) a second cross-linking agent with at least two (meth)allyloxy moieties in the molecule, the molar ratio of b1) to b2) ranging from 0.7:1 to 10:1. The polymer according to the invention has a balanced property profile as regards absorptivity, gel strength, absorption speed and extractable componenents and can be advantageously produced by a continuous method.