公开(公告)号：DE50004005D1

公开(公告)日：2003-11-13

申请号：DE50004005

申请日：2000-03-23

Applicant: BASF AG

Inventor： LORENCAK PRIMOZ ,  STANGE ANDREAS ,  DIEHL KURT ,  MAHR NORBERT

IPC: C08B31/00 ,  C08B31/18 ,  C08G81/00 ,  C08L3/00 ,  C08L3/02 ,  C08L3/04 ,  C08L3/10 ,  D21H17/28 ,  D21H17/29 ,  D21H17/44 ,  D21H17/45 ,  D21H21/10 ,  D21H21/18 ,  D21H21/20

Abstract: A process for modifying starch by heating starch in an aqueous medium to temperatures above the gelatinization temperature of said starch comprises effecting said modifying of said starch in the presence of(a) a polymeric cationizer selected from the group consisting of the polymers containing vinylamine units and having molar masses of up to 1 million, the polyethyleneimines, the polydiallyldimethylammonium chlorides, the condensates of dimethylamine with epichlorohydrin or dichloroalkanes, the condensates of dichloroethane and ammonia, and the mixtures thereof, and(b) polymeric papermaking drainage aids selected from the group consisting of the water-soluble crosslinked polyamidoamines with or without an ethyleneimine graft, the polymers containing acrylamide and/or methacrylamide units and having molar masses of more than 1 million, the polymers containing vinylamine units and having molar masses of more then 1 million, and the mixtures thereof.

公开(公告)号：CA2098584C

公开(公告)日：2003-04-08

申请号：CA2098584

申请日：1991-12-09

Applicant: BASF AG

Inventor： HORN DIETER ,  LUEDDECKE ERIK ,  GIERULSKI ALFRED ,  KROEHL THOMAS ,  LORENCAK PRIMOZ

IPC: G01N15/02 ,  G01N15/10 ,  G01N15/14 ,  G01N21/64 ,  G01N33/34 ,  G01N33/52

Abstract: The number and size of free resin particles, which give rise to problems in the manufacture of paper, are determined so that said particles may be bound to the wood fibres by the addition of auxili- aries in order to neutralize them. Following preparation of a paper pulp suspension, the resin particles are separated therefrom, marked with a fluorescent die and isolated. The light signals emit- ted by the individual resin particles after excitation are detected to enable the number and size of the particles to be determined.

公开(公告)号：DE59609517D1

公开(公告)日：2002-09-05

申请号：DE59609517

申请日：1996-10-25

Applicant: BASF AG

Inventor： ETTL ROLAND ,  REUTHER WOLFGANG ,  LORENCAK PRIMOZ ,  BONN JOHANN

IPC: C07C45/90 ,  C07C49/88 ,  C09K23/00 ,  D06M13/13 ,  D06M15/11 ,  D21H17/09 ,  D21H17/10 ,  D21H17/17 ,  D21H17/23 ,  D21H17/29 ,  D21H21/16 ,  D21H17/72

Abstract: PCT No. PCT/EP96/04638 Sec. 371 Date May 4, 1998 Sec. 102(e) Date May 4, 1998 PCT Filed Oct. 25, 1996 PCT Pub. No. WO97/17491 PCT Pub. Date May 15, 1997Aqueous alkyldiketene dispersions comprising an alkyldiketene, cationic starch having an amylopectic content of at least 95% by weight and as anionic dispersants (a) from 0.05 to 1.0% by weight of ligninsulfonic acid, condensates of naphthalenesulfonic acid and formaldehyde, sulfonated polystyrene, salts and mixtures of said polymers and (b) from 0.05 to 1.5% by weight of sulfuric monoesters of alcohols having at least 10 carbon atoms, phosphoric monoesters or diesters of alcohols having at least 10 carbon atoms, sulfuric monoesters of alkoxylated alcohols having at least 10 carbon atoms, phosphoric monoesters or diesters of alkoxylated alcohols having at least 10 carbon atoms, C12-C30-alkylsulfonic acids, salts and mixtures of said compounds can be used as body size in the manufacture of paper, paperboard and cardboard and for making cellulose fibers hydrophobic.

公开(公告)号：DE59803914D1

公开(公告)日：2002-05-29

申请号：DE59803914

申请日：1998-01-16

Applicant: BASF AG

Inventor： NIESSNER MANFRED ,  NILZ CLAUDIA ,  LORENCAK PRIMOZ ,  RUEBENACKER MARTIN ,  ETTL ROLAND

IPC: C08B31/12 ,  C08B31/00 ,  C08L3/00 ,  C08L3/02 ,  C08L33/14 ,  C08L33/24 ,  C08L39/04 ,  D21H17/29 ,  D21H21/10 ,  D21H21/18

Abstract: PCT No. PCT/EP98/00232 Sec. 371 Date Jul. 14, 1999 Sec. 102(e) Date Jul. 14, 1999 PCT Filed Jan. 16, 1998 PCT Pub. No. WO98/31740 PCT Pub. Date Jul. 23, 1998A starch modified with at least one cationic polymer is prepared by a process in which dry, free-flowing starch is initially taken and the cationic polymer is applied thereon without the starch particles sticking together, and the polymer-modified starch is used.

公开(公告)号：AT217326T

公开(公告)日：2002-05-15

申请号：AT98906913

申请日：1998-02-04

Applicant: BASF AG

Inventor： UTECHT JENS ,  NIESSNER MANFRED ,  WEIGUNY SABINE ,  LORENCAK PRIMOZ ,  STAMM ARMIN

IPC: C08G73/02 ,  C08F8/00 ,  D21H17/34 ,  D21H21/10 ,  D21H21/18 ,  D21H21/20

公开(公告)号：AT180526T

公开(公告)日：1999-06-15

申请号：AT96908139

申请日：1996-03-26

Applicant: BASF AG

Inventor： ETTL ROLAND ,  LORENCAK PRIMOZ ,  REUTHER WOLFGANG ,  BONN JOHANN ,  DE CLERCQ ARNOLD

IPC: D21H17/03 ,  D21H17/17 ,  D21H17/28 ,  D21H17/29 ,  D21H21/16 ,  D21H17/72

公开(公告)号：FI102687B

公开(公告)日：1999-01-29

申请号：FI910206

申请日：1991-01-15

Applicant: BASF AG

Inventor： AUHORN WERNER ,  LINHART FRIEDRICH ,  LORENCAK PRIMOZ ,  KROENER MICHAEL ,  SENDHOFF NORBERT ,  DENZINGER WALTER ,  HARTMANN HEINRICH

IPC: C08F8/12 ,  D21H17/34 ,  D21H17/36 ,  D21H21/18

公开(公告)号：DE59308829D1

公开(公告)日：1998-09-03

申请号：DE59308829

申请日：1993-11-16

Applicant: BASF AG

Inventor： SCHERR GUENTER ,  REUTHER WOLFGANG ,  LORENCAK PRIMOZ ,  MOENCH DIETMAR ,  LINHART FRIEDRICH ,  WEISER JUERGEN

IPC: C08G69/48 ,  C08G18/32 ,  C08G18/60 ,  C08G59/14 ,  C08G73/00 ,  C08G73/02 ,  C08G73/04 ,  D21F1/66 ,  D21H11/14 ,  D21H17/46 ,  D21H17/54 ,  D21H17/56 ,  D21H21/10

Abstract: PCT No. PCT/EP93/03205 Sec. 371 Date May 26, 1995 Sec. 102(e) Date May 26, 1995 PCT Filed Nov. 16, 1993 PCT Pub. No. WO94/12560 PCT Pub. Date Jun. 9, 1994.Condensates of polyalkylenepolyamines which are obtainable by (a) partial amidation of polyalkylenepolyamines and (b) condensation of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agents to give crosslinked polyalkylenepolyamines which, in 20% strength aqueous solution at 20 DEG C., have a viscosity of at least 100 mPa.s, processes for the preparation of the condensates of polyalkylenepolyamines by partial amidation of polyalkylenepolyamines with carboxylic acids, carboxylic esters, carboxylic anhydrides or carbonyl halides and crosslinking of the partially amidated polyalkylenepolyamines with bifunctional or polyfunctional crosslinking agents, from 0.001 to 10 parts by weight of a crosslinking agent being used per part by weight of the partially amidated polyalkylenepolyamines, and the use of the resulting condensates as drainage aids, flocculants, retention aids and fixing agents in papermaking.

公开(公告)号：CA2231541A1

公开(公告)日：1997-05-15

申请号：CA2231541

申请日：1996-10-25

Applicant: BASF AG

Inventor： REUTHER WOLFGANG ,  ETTL ROLAND ,  LORENCAK PRIMOZ ,  BONN JOHANN

IPC: C07C45/90 ,  C07C49/88 ,  C09K23/00 ,  D06M13/13 ,  D06M15/11 ,  D21H17/09 ,  D21H17/10 ,  D21H17/17 ,  D21H17/23 ,  D21H17/29 ,  D21H21/16 ,  D21H17/72

Abstract: The invention concerns aqueous alkyldiketene dispersions containing an alkyldiketene, cationic starch with an amylopectin content of at least 95 % by wt. and the following anionic dispersants: (a) 0.05 to 1.0 % by wt. of lignin sulphonic acid, condensation products of naphtalene sulphonic acid and formaldehyde, sulphonated polystyrene or salts or mixtures of such polymers and (b) 0.05 to 1.5 % by wt. of sulphuric acid half esters of alcohols with at least 10 C-atoms, mono- or diphosphoric acid half esters of alkoxylated alcohols with at least 10 C-atoms, sulphuric acid half esters of alkoxylated alcohols with at least 10 C-atoms, mono- or diphosphoric acid esters of alkoxylated alcohols with at least 10 C-atoms, C12-C30 alkyl sulphonic acids or salts or mixtures of such compounds. The invention also concerns the use of such alkyldiketene dispersions as bulk size in the manufacture of paper, paperboard and cardboard, as well as in making cellulose fibres waterrepellent.

公开(公告)号：AT135431T

公开(公告)日：1996-03-15

申请号：AT93920806

申请日：1993-09-23

Applicant: BASF AG

Inventor： NILZ CLAUDIA ,  SENDHOFF NORBERT ,  BREITSCHAFT WALTER ,  ZILLIG MANFRED ,  LORENCAK PRIMOZ

IPC: D21H17/34 ,  D21H21/28

Abstract: PCT No. PCT/EP93/02580 Sec. 371 Date Mar. 15, 1995 Sec. 102(e) Date Mar. 15, 1995 PCT Filed Sep. 23, 1993 PCT Pub. No. WO94/08092 PCT Pub. Date Apr. 14, 1994A process for dyeing paper in connection with paper manufacture by adding water-soluble anionic dyes and cationic polymers which contain vinylamine units to the paper pulp as fixing agents and removing water from the paper pulp with the formation of dyed paper is described.