FI912248A0 - Waste paper deinking - Google Patents

Waste paper deinking

Info

Publication number
FI912248A0
FI912248A0 FI912248A FI912248A FI912248A0 FI 912248 A0 FI912248 A0 FI 912248A0 FI 912248 A FI912248 A FI 912248A FI 912248 A FI912248 A FI 912248A FI 912248 A0 FI912248 A0 FI 912248A0
Authority
FI
Finland
Prior art keywords
waste paper
paper deinking
inking
copolymerization
copolymers
Prior art date
Application number
FI912248A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI95605C (en
FI95605B (en
Inventor
Herbert Fischer
Klaus Hornfeck
Ludwig Schieferstein
Original Assignee
Henkel Kgaa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel Kgaa filed Critical Henkel Kgaa
Publication of FI912248A0 publication Critical patent/FI912248A0/en
Application granted granted Critical
Publication of FI95605B publication Critical patent/FI95605B/en
Publication of FI95605C publication Critical patent/FI95605C/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Paints Or Removers (AREA)
  • Coloring (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Color Printing (AREA)

Abstract

Process for de-inking old papers in the presence of at least partly water-soluble polymers and/or copolymers with mean molecular weights between 2000 and 500 000 obtained by polymerization or by copolymerization of monomers containing amino groups with unsaturated acid derivatives.
FI912248A 1988-11-23 1991-05-09 Waste paper deinking FI95605C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19883839479 DE3839479A1 (en) 1988-11-23 1988-11-23 THINKING OF WASTE PAPER
DE3839479 1988-11-23
EP8901363 1989-11-14
PCT/EP1989/001363 WO1990005805A2 (en) 1988-11-23 1989-11-14 De-inking of old papers

Publications (3)

Publication Number Publication Date
FI912248A0 true FI912248A0 (en) 1991-05-09
FI95605B FI95605B (en) 1995-11-15
FI95605C FI95605C (en) 1996-02-26

Family

ID=6367686

Family Applications (1)

Application Number Title Priority Date Filing Date
FI912248A FI95605C (en) 1988-11-23 1991-05-09 Waste paper deinking

Country Status (11)

Country Link
EP (2) EP0445160A1 (en)
JP (1) JPH04502038A (en)
AT (1) ATE80424T1 (en)
CA (1) CA2003406A1 (en)
DE (2) DE3839479A1 (en)
ES (1) ES2045352T3 (en)
FI (1) FI95605C (en)
RU (1) RU1833445C (en)
TR (1) TR24045A (en)
WO (1) WO1990005805A2 (en)
YU (1) YU220089A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928841A1 (en) * 1989-08-31 1991-03-07 Henkel Kgaa THINKING OF WASTE PAPER
DE3928842A1 (en) * 1989-08-31 1991-03-14 Henkel Kgaa METHOD FOR FLOTING FUELS FROM AGGREGATE IN THE PRESENCE OF POLYMERS AND / OR COPOLYMERS
US5442082A (en) * 1990-01-26 1995-08-15 Henkel Kommanditgesellschaft Auf Aktien Alkoxylated compounds produced from epoxidized carboxylic acid derivatives
DE4002213A1 (en) * 1990-01-26 1991-08-01 Henkel Kgaa Alkoxylation prod. prepd. from epoxide derivs.
DE4021275A1 (en) * 1990-07-04 1992-01-09 Basf Ag METHOD FOR DEINKING PRINTED PAPERS
DE4203000A1 (en) * 1992-02-03 1993-08-05 Henkel Kgaa METHOD FOR REMOVING PRINT INKS FROM PRINTED WASTE PAPER
US5415733A (en) * 1993-05-27 1995-05-16 High Point Chemical Corp. Method of removing hydrophilic ink
US5505817A (en) * 1993-10-19 1996-04-09 Henkel Corporation Deinking wastepaper using reaction products of castor oil with an alkoxylated material
DE4415007A1 (en) * 1994-04-29 1995-11-02 Schmidt Gebr Druckfarben Use of an aqueous printing ink preparation for deinkable publication products
CA2203883A1 (en) * 1994-10-31 1996-05-09 Gerald Guerro Methods of coagulating and decolorizing waste streams
GB9423454D0 (en) * 1994-11-21 1995-01-11 Allied Colloids Ltd Deinking processes and novel polymers for use in these
DE4442056A1 (en) * 1994-11-25 1996-05-30 Henkel Kgaa Process for removing printing inks from printed waste paper
US5651861A (en) * 1995-12-18 1997-07-29 Rhone-Poulenc Inc. Process for removing inks from waste paper
DE19631150B4 (en) * 1996-08-01 2007-04-19 Süd-Chemie AG Process for the removal of printing inks (deinking) of cellulosic print substrates
JP3405888B2 (en) * 1996-09-25 2003-05-12 花王株式会社 Deinking method
WO1999003895A1 (en) 1997-07-15 1999-01-28 Rhodia Chimie Method for producing polymers using micellar polymerization
DE10215620B4 (en) * 2002-04-10 2006-05-18 Angelo Scordialo Use of a polymeric water glass compound

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE667722C (en) * 1936-10-06 1938-11-18 Chem Fab Gruenau Akt Ges Process for the recovery of pure paper stock from printed waste paper
US4786364A (en) * 1984-08-02 1988-11-22 Calgon Corporation DMDAAC/AM copolymers as deinkers

Also Published As

Publication number Publication date
WO1990005805A2 (en) 1990-05-31
EP0373375A3 (en) 1990-08-01
YU220089A (en) 1990-12-31
ATE80424T1 (en) 1992-09-15
ES2045352T3 (en) 1994-01-16
EP0373375B1 (en) 1992-09-09
FI95605C (en) 1996-02-26
DE3839479A1 (en) 1990-06-07
TR24045A (en) 1991-02-07
CA2003406A1 (en) 1990-05-23
RU1833445C (en) 1993-08-07
EP0445160A1 (en) 1991-09-11
FI95605B (en) 1995-11-15
DE58902253D1 (en) 1992-10-15
EP0373375A2 (en) 1990-06-20
WO1990005805A3 (en) 1990-07-12
JPH04502038A (en) 1992-04-09

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed