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SE8902871L - SYNTHETIC COLLECTOR FOR BLACKING OF RECOVERY PAPERS - Google Patents

SYNTHETIC COLLECTOR FOR BLACKING OF RECOVERY PAPERS

Info

Publication number
SE8902871L
SE8902871L SE8902871A SE8902871A SE8902871L SE 8902871 L SE8902871 L SE 8902871L SE 8902871 A SE8902871 A SE 8902871A SE 8902871 A SE8902871 A SE 8902871A SE 8902871 L SE8902871 L SE 8902871L
Authority
SE
Sweden
Prior art keywords
blacking
collector
papers
recovery
synthetic
Prior art date
Application number
SE8902871A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE464639B (en
SE8902871D0 (en
Inventor
C Andersson
Original Assignee
Bim Kemi Ab
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 Bim Kemi Ab filed Critical Bim Kemi Ab
Priority to SE8902871A priority Critical patent/SE464639B/en
Publication of SE8902871D0 publication Critical patent/SE8902871D0/en
Priority to PCT/SE1990/000554 priority patent/WO1991003599A1/en
Publication of SE8902871L publication Critical patent/SE8902871L/en
Publication of SE464639B publication Critical patent/SE464639B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/676—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/46—Polyesters chemically modified by esterification
    • C08G63/48—Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acids; by resin acids
    • 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

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Paper (AREA)

Abstract

Collector chemical for deinking of waste paper according to the flotation process and which consists of a polyester obtained through reaction between 1) polyalkylene glycol, 2) di- and/or tricarboxylic acid and/or anhydrides thereof and 3) tall oil, said polyester having a molecular weight between 3000 - 10000.
SE8902871A 1989-08-30 1989-08-30 COLLECTOR INTENDED TO BE USED IN THE EVALUATION OF RETURN PAPER BASED ON A POLYESTER INCLUDING INCLUDING TALL OIL AND APPLICATION OF THIS POLYESTER AS A COLLECTOR SE464639B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8902871A SE464639B (en) 1989-08-30 1989-08-30 COLLECTOR INTENDED TO BE USED IN THE EVALUATION OF RETURN PAPER BASED ON A POLYESTER INCLUDING INCLUDING TALL OIL AND APPLICATION OF THIS POLYESTER AS A COLLECTOR
PCT/SE1990/000554 WO1991003599A1 (en) 1989-08-30 1990-08-30 Collector chemical for deinking of waste paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8902871A SE464639B (en) 1989-08-30 1989-08-30 COLLECTOR INTENDED TO BE USED IN THE EVALUATION OF RETURN PAPER BASED ON A POLYESTER INCLUDING INCLUDING TALL OIL AND APPLICATION OF THIS POLYESTER AS A COLLECTOR

Publications (3)

Publication Number Publication Date
SE8902871D0 SE8902871D0 (en) 1989-08-30
SE8902871L true SE8902871L (en) 1991-03-01
SE464639B SE464639B (en) 1991-05-27

Family

ID=20376770

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8902871A SE464639B (en) 1989-08-30 1989-08-30 COLLECTOR INTENDED TO BE USED IN THE EVALUATION OF RETURN PAPER BASED ON A POLYESTER INCLUDING INCLUDING TALL OIL AND APPLICATION OF THIS POLYESTER AS A COLLECTOR

Country Status (2)

Country Link
SE (1) SE464639B (en)
WO (1) WO1991003599A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574027A (en) * 1989-11-22 1996-11-12 Bernstein; Lawrence R. Pharmaceutical compositions of gallium complexes of 3-hydroxy-4-pyrones
US5258376A (en) * 1989-11-22 1993-11-02 Bernstein Lawrence R Pharmaceutical compositions of gallium complexes of 3-hydroxy-4-pyrones
DE4021275A1 (en) * 1990-07-04 1992-01-09 Basf Ag METHOD FOR DEINKING PRINTED PAPERS
CA2166092A1 (en) * 1993-06-23 1995-01-05 Peter Wallberg Collector intended to be used in deinking of waste paper according to the flotation process
CA2597176C (en) 2005-02-04 2013-10-22 Mineral And Coal Technologies, Inc. Improving the separation of diamond from gangue minerals

Also Published As

Publication number Publication date
WO1991003599A1 (en) 1991-03-21
SE464639B (en) 1991-05-27
SE8902871D0 (en) 1989-08-30

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