WO1990005805A3 - De-inking of old papers - Google Patents

De-inking of old papers Download PDF

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Publication number
WO1990005805A3
WO1990005805A3 PCT/EP1989/001363 EP8901363W WO9005805A3 WO 1990005805 A3 WO1990005805 A3 WO 1990005805A3 EP 8901363 W EP8901363 W EP 8901363W WO 9005805 A3 WO9005805 A3 WO 9005805A3
Authority
WO
WIPO (PCT)
Prior art keywords
inking
old papers
papers
old
copolymerization
Prior art date
Application number
PCT/EP1989/001363
Other languages
German (de)
French (fr)
Other versions
WO1990005805A2 (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 WO1990005805A2 publication Critical patent/WO1990005805A2/en
Publication of WO1990005805A3 publication Critical patent/WO1990005805A3/en
Priority to FI912248A priority Critical patent/FI95605C/en
Priority to SU914895412A priority patent/RU1833445C/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

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.
PCT/EP1989/001363 1988-11-23 1989-11-14 De-inking of old papers WO1990005805A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI912248A FI95605C (en) 1988-11-23 1991-05-09 Waste paper deinking
SU914895412A RU1833445C (en) 1988-11-23 1991-05-22 Aqueous composition for dye removal from waste paper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3839479.0 1988-11-23
DE19883839479 DE3839479A1 (en) 1988-11-23 1988-11-23 THINKING OF WASTE PAPER

Publications (2)

Publication Number Publication Date
WO1990005805A2 WO1990005805A2 (en) 1990-05-31
WO1990005805A3 true WO1990005805A3 (en) 1990-07-12

Family

ID=6367686

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1989/001363 WO1990005805A2 (en) 1988-11-23 1989-11-14 De-inking of old papers

Country Status (11)

Country Link
EP (2) EP0373375B1 (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
DE3928842A1 (en) * 1989-08-31 1991-03-14 Henkel Kgaa METHOD FOR FLOTING FUELS FROM AGGREGATE IN THE PRESENCE OF POLYMERS AND / OR COPOLYMERS
DE3928841A1 (en) * 1989-08-31 1991-03-07 Henkel Kgaa THINKING OF WASTE PAPER
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
DE69506736T2 (en) * 1994-10-31 1999-05-20 Cytec Tech Corp METHOD FOR COAGULATING AND DECOLORATING WASTEWATER
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
CA2296381A1 (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

Citations (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
EP0172684A1 (en) * 1984-08-02 1986-02-26 Calgon Corporation Dimethyldiallyl ammonium chloride/acrylamide copolymers as deinkers

Patent Citations (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
EP0172684A1 (en) * 1984-08-02 1986-02-26 Calgon Corporation Dimethyldiallyl ammonium chloride/acrylamide copolymers as deinkers

Also Published As

Publication number Publication date
YU220089A (en) 1990-12-31
TR24045A (en) 1991-02-07
FI95605B (en) 1995-11-15
JPH04502038A (en) 1992-04-09
FI912248A0 (en) 1991-05-09
DE58902253D1 (en) 1992-10-15
WO1990005805A2 (en) 1990-05-31
ES2045352T3 (en) 1994-01-16
EP0373375B1 (en) 1992-09-09
EP0445160A1 (en) 1991-09-11
EP0373375A2 (en) 1990-06-20
ATE80424T1 (en) 1992-09-15
DE3839479A1 (en) 1990-06-07
EP0373375A3 (en) 1990-08-01
CA2003406A1 (en) 1990-05-23
FI95605C (en) 1996-02-26
RU1833445C (en) 1993-08-07

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