FI95605B - De-wetting of waste paper - Google Patents
De-wetting of waste paperInfo
- Publication number
- FI95605B FI95605B FI912248A FI912248A FI95605B FI 95605 B FI95605 B FI 95605B FI 912248 A FI912248 A FI 912248A FI 912248 A FI912248 A FI 912248A FI 95605 B FI95605 B FI 95605B
- Authority
- FI
- Finland
- Prior art keywords
- wetting
- waste paper
- inking
- copolymerization
- copolymers
- Prior art date
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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Color Printing (AREA)
- Coloring (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.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3839479 | 1988-11-23 | ||
DE19883839479 DE3839479A1 (en) | 1988-11-23 | 1988-11-23 | THINKING OF WASTE PAPER |
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 FI912248A0 (en) | 1991-05-09 |
FI95605B true 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) | 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)
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 |
DE4002213A1 (en) * | 1990-01-26 | 1991-08-01 | Henkel Kgaa | Alkoxylation prod. prepd. from epoxide derivs. |
US5442082A (en) * | 1990-01-26 | 1995-08-15 | Henkel Kommanditgesellschaft Auf Aktien | Alkoxylated compounds produced from epoxidized carboxylic acid derivatives |
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 Technology Corp., Wilmington, Del. | 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 |
Family Cites Families (2)
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 |
-
1988
- 1988-11-23 DE DE19883839479 patent/DE3839479A1/en not_active Withdrawn
-
1989
- 1989-11-03 TR TR74189A patent/TR24045A/en unknown
- 1989-11-14 EP EP19890121088 patent/EP0373375B1/en not_active Expired - Lifetime
- 1989-11-14 JP JP2500164A patent/JPH04502038A/en active Pending
- 1989-11-14 AT AT89121088T patent/ATE80424T1/en not_active IP Right Cessation
- 1989-11-14 ES ES89121088T patent/ES2045352T3/en not_active Expired - Lifetime
- 1989-11-14 EP EP89912961A patent/EP0445160A1/en active Pending
- 1989-11-14 DE DE8989121088T patent/DE58902253D1/en not_active Expired - Fee Related
- 1989-11-14 WO PCT/EP1989/001363 patent/WO1990005805A2/en active IP Right Grant
- 1989-11-20 YU YU220089A patent/YU220089A/en unknown
- 1989-11-20 CA CA 2003406 patent/CA2003406A1/en not_active Abandoned
-
1991
- 1991-05-09 FI FI912248A patent/FI95605C/en not_active IP Right Cessation
- 1991-05-22 RU SU914895412A patent/RU1833445C/en active
Also Published As
Publication number | Publication date |
---|---|
EP0373375A3 (en) | 1990-08-01 |
DE58902253D1 (en) | 1992-10-15 |
CA2003406A1 (en) | 1990-05-23 |
FI95605C (en) | 1996-02-26 |
WO1990005805A3 (en) | 1990-07-12 |
TR24045A (en) | 1991-02-07 |
DE3839479A1 (en) | 1990-06-07 |
EP0373375B1 (en) | 1992-09-09 |
EP0373375A2 (en) | 1990-06-20 |
YU220089A (en) | 1990-12-31 |
ATE80424T1 (en) | 1992-09-15 |
WO1990005805A2 (en) | 1990-05-31 |
ES2045352T3 (en) | 1994-01-16 |
EP0445160A1 (en) | 1991-09-11 |
JPH04502038A (en) | 1992-04-09 |
RU1833445C (en) | 1993-08-07 |
FI912248A0 (en) | 1991-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
MM | Patent lapsed |