CS192103B1 - Process for polyethylenterephthalate recovery - Google Patents

Process for polyethylenterephthalate recovery

Info

Publication number
CS192103B1
CS192103B1 CS552376A CS552376A CS192103B1 CS 192103 B1 CS192103 B1 CS 192103B1 CS 552376 A CS552376 A CS 552376A CS 552376 A CS552376 A CS 552376A CS 192103 B1 CS192103 B1 CS 192103B1
Authority
CS
Czechoslovakia
Prior art keywords
polyethylenterephthalate
recovery
polyethylenterephthalate recovery
Prior art date
Application number
CS552376A
Other languages
Czech (cs)
Inventor
Hans Schreiber
Uwe Wagner
Original Assignee
Hans Schreiber
Uwe Wagner
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
Priority claimed from DD18800375A external-priority patent/DD124654A1/xx
Priority claimed from DD19221676A external-priority patent/DD136620A2/en
Application filed by Hans Schreiber, Uwe Wagner filed Critical Hans Schreiber
Publication of CS192103B1 publication Critical patent/CS192103B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
    • 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
    • C08G63/88—Post-polymerisation treatment
    • C08G63/90—Purification; Drying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Processing Of Solid Wastes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CS552376A 1975-08-25 1976-08-25 Process for polyethylenterephthalate recovery CS192103B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD18800375A DD124654A1 (en) 1975-08-25 1975-08-25
DD19221676A DD136620A2 (en) 1976-04-06 1976-04-06 PROCESS FOR LOOSENING POLYETHYLENEPEPHTHALATE

Publications (1)

Publication Number Publication Date
CS192103B1 true CS192103B1 (en) 1979-08-31

Family

ID=25747553

Family Applications (1)

Application Number Title Priority Date Filing Date
CS552376A CS192103B1 (en) 1975-08-25 1976-08-25 Process for polyethylenterephthalate recovery

Country Status (7)

Country Link
JP (1) JPS5829207B2 (en)
CS (1) CS192103B1 (en)
DE (1) DE2632031A1 (en)
GB (1) GB1548043A (en)
NL (1) NL7608104A (en)
PL (1) PL100623B1 (en)
SU (1) SU717089A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940072A1 (en) * 1979-10-03 1981-04-16 Dynamit Nobel Ag, 5210 Troisdorf METHOD FOR PRODUCING DISPERSIONS FROM HIGH MOLECULAR, CRYSTALLIZABLE POLYESTERS
JPS59169403A (en) * 1983-03-17 1984-09-25 三菱農機株式会社 Irrigating, fertilizing and directly seeding machine
JPS6087506U (en) * 1983-11-19 1985-06-15 三菱農機株式会社 Flooded seeding machine with chemical spraying device
JPS60106412U (en) * 1983-12-26 1985-07-19 三菱農機株式会社 Fertilizer nozzle device for flooded soil seeding machine
JPS6466021A (en) * 1987-09-03 1989-03-13 Wako Sangyo Kk Reciprocating folding machine
DE4037523A1 (en) * 1990-11-26 1992-05-27 Johannes Prof Dr Gartzen Separate recovery of metal and coating polymer from composite - by dissolution of polymer with alkyl benzene solvent for non-polar and (methylated) THF and/or (methylate) dioxan for polar layers
US6623564B2 (en) 2000-02-22 2003-09-23 Panac Industries, Inc. Method of recovering synthetic substrates
US8324561B2 (en) 2007-03-01 2012-12-04 Hamamatsu Photonics K.K. Photodetector and jig for sample holder
FR2998572B1 (en) * 2012-11-26 2015-12-11 Valagro Carbone Renouvelable Poitou Charentes PROCESS FOR RECYCLING AND VALORIZING CONSTITUENTS OF TEXTILE PRODUCTS
JP6662997B2 (en) * 2015-06-30 2020-03-11 ザ プロクター アンド ギャンブル カンパニーＴｈｅ Ｐｒｏｃｔｅｒ ＆ Ｇａｍｂｌｅ Ｃｏｍｐａｎｙ Method for purifying polymers containing contaminants
PL3317334T3 (en) * 2015-06-30 2024-02-19 The Procter And Gamble Company Method for purifying contaminated polymers
JP7346858B2 (en) 2019-03-14 2023-09-20 株式会社リコー Biological information measuring device, biological information measuring system, biological information measuring method, and biological information measuring program

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530708A (en) * 1953-07-27
US3701741A (en) * 1971-02-01 1972-10-31 Eastman Kodak Co Purification of impure scrap poly(ethylene terephthalate)

Also Published As

Publication number Publication date
JPS5237986A (en) 1977-03-24
PL100623B1 (en) 1978-10-31
DE2632031A1 (en) 1977-03-10
GB1548043A (en) 1979-07-04
JPS5829207B2 (en) 1983-06-21
DE2632031C2 (en) 1987-01-08
SU717089A1 (en) 1980-02-25
NL7608104A (en) 1977-03-01

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