GB1548043A - Process for obtaining polyethylene terephthalate in the fom of a powder - Google Patents

Process for obtaining polyethylene terephthalate in the fom of a powder

Info

Publication number
GB1548043A
GB1548043A GB3324676A GB3324676A GB1548043A GB 1548043 A GB1548043 A GB 1548043A GB 3324676 A GB3324676 A GB 3324676A GB 3324676 A GB3324676 A GB 3324676A GB 1548043 A GB1548043 A GB 1548043A
Authority
GB
United Kingdom
Prior art keywords
fom
powder
polyethylene terephthalate
obtaining polyethylene
obtaining
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3324676A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungsinstitut fuer Textil Technologie
Original Assignee
Forschungsinstitut fuer Textil Technologie
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/xx
Application filed by Forschungsinstitut fuer Textil Technologie filed Critical Forschungsinstitut fuer Textil Technologie
Publication of GB1548043A publication Critical patent/GB1548043A/en
Expired legal-status Critical Current

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)
  • Processing Of Solid Wastes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyesters Or Polycarbonates (AREA)
GB3324676A 1975-08-25 1976-08-10 Process for obtaining polyethylene terephthalate in the fom of a powder Expired GB1548043A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD18800375A DD124654A1 (cs) 1975-08-25 1975-08-25
DD19221676A DD136620A2 (de) 1976-04-06 1976-04-06 Verfahren zum loesen von poly1ethylenterephthalat

Publications (1)

Publication Number Publication Date
GB1548043A true GB1548043A (en) 1979-07-04

Family

ID=25747553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3324676A Expired GB1548043A (en) 1975-08-25 1976-08-10 Process for obtaining polyethylene terephthalate in the fom of a powder

Country Status (7)

Country Link
JP (1) JPS5829207B2 (cs)
CS (1) CS192103B1 (cs)
DE (1) DE2632031C2 (cs)
GB (1) GB1548043A (cs)
NL (1) NL7608104A (cs)
PL (1) PL100623B1 (cs)
SU (1) SU717089A1 (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940072A1 (de) * 1979-10-03 1981-04-16 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von dispersionen aus hochmolekularen, kristallisierbaren polyestern
JPS59169403A (ja) * 1983-03-17 1984-09-25 三菱農機株式会社 湛水施肥直播機
JPS6466021A (en) * 1987-09-03 1989-03-13 Wako Sangyo Kk Reciprocating folding machine
DE4037523A1 (de) * 1990-11-26 1992-05-27 Johannes Prof Dr Gartzen Verfahren und vorrichtung zur isolierung von polymeren werkstoffen und metallen aus verbundwerkstoffen
TW496792B (en) 2000-02-22 2002-08-01 Panakku Kogyo Kk Process for recovery of synthetic resin substrate and pressured type cleaning apparatus used thereof
KR101359148B1 (ko) 2007-03-01 2014-02-05 하마마츠 포토닉스 가부시키가이샤 광 검출 장치 및 시료 홀더용 지그
FR2998572B1 (fr) * 2012-11-26 2015-12-11 Valagro Carbone Renouvelable Poitou Charentes Procede de recyclage et de valorisation des constituants des produits textiles
ES2965289T3 (es) * 2015-06-30 2024-04-12 Procter & Gamble Método para purificar polímeros contaminados
CN107810226B (zh) * 2015-06-30 2021-02-02 宝洁公司 用于纯化受污染的聚合物的方法
JP7346858B2 (ja) 2019-03-14 2023-09-20 株式会社リコー 生体情報計測装置、生体情報計測システム、生体情報計測方法及び生体情報計測プログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH372165A (de) * 1953-07-27 1963-09-30 Hoechst Ag Verfahren zum Aufquellen oder Auflösen von Polyäthylenterephthalat
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
DE2632031C2 (de) 1987-01-08
NL7608104A (nl) 1977-03-01
JPS5237986A (en) 1977-03-24
JPS5829207B2 (ja) 1983-06-21
SU717089A1 (ru) 1980-02-25
DE2632031A1 (de) 1977-03-10
CS192103B1 (en) 1979-08-31
PL100623B1 (pl) 1978-10-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee