CA1089616A - Granules de stratifie poreux prepares a partir de dechets de pellicules de poly (terephtalate d'ethylene); leur sechage et leur polymerisation - Google Patents

Granules de stratifie poreux prepares a partir de dechets de pellicules de poly (terephtalate d'ethylene); leur sechage et leur polymerisation

Info

Publication number
CA1089616A
CA1089616A CA252,360A CA252360A CA1089616A CA 1089616 A CA1089616 A CA 1089616A CA 252360 A CA252360 A CA 252360A CA 1089616 A CA1089616 A CA 1089616A
Authority
CA
Canada
Prior art keywords
pellets
flakes
film
ethylene terephthalate
flake
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
CA252,360A
Other languages
English (en)
Inventor
Frank E. Hoffman
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 US05/676,141 external-priority patent/US4092458A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of CA1089616A publication Critical patent/CA1089616A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0036Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting of large particles, e.g. beads, granules, pellets, flakes, slices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/08Making granules by agglomerating smaller particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/12Making granules characterised by structure or composition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Glanulating (AREA)
  • Polyesters Or Polycarbonates (AREA)
CA252,360A 1975-05-15 1976-05-12 Granules de stratifie poreux prepares a partir de dechets de pellicules de poly (terephtalate d'ethylene); leur sechage et leur polymerisation Expired CA1089616A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US57784875A 1975-05-15 1975-05-15
US577,848 1975-05-15
US05/676,141 US4092458A (en) 1975-05-15 1976-04-12 Porous laminar pellets of waste poly(ethylene terephthalate) film, and processes for drying and polymerization
US676,141 1976-04-12

Publications (1)

Publication Number Publication Date
CA1089616A true CA1089616A (fr) 1980-11-18

Family

ID=27077355

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252,360A Expired CA1089616A (fr) 1975-05-15 1976-05-12 Granules de stratifie poreux prepares a partir de dechets de pellicules de poly (terephtalate d'ethylene); leur sechage et leur polymerisation

Country Status (8)

Country Link
JP (1) JPS601167B2 (fr)
CA (1) CA1089616A (fr)
DE (1) DE2621596C2 (fr)
FR (1) FR2310852A1 (fr)
GB (1) GB1515438A (fr)
IT (1) IT1063588B (fr)
LU (1) LU74956A1 (fr)
NL (1) NL7605164A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581443A (en) * 1984-10-09 1986-04-08 Celanese Corporation Production of improved pellets from melt-processable polymer which is capable of forming and anisotropic melt
FR2599665B1 (fr) * 1986-06-06 1988-11-04 Rhone Poulenc Fibres Procede et dispositif de regeneration de dec hets a base de polymeres fusibles
DE4216335A1 (de) * 1992-05-16 1993-11-18 Braun Ag Zerkleinerungs- und Mischeinrichtung für eine Vielzweckküchenmaschine
EP0698462B1 (fr) * 1994-08-23 2001-05-23 ECO SELECTA ITALIA S.r.L. Procédé de traitement de déchets de polytéréphtalate d'éthylène et installation pour la mise en oeuvre de ce procédé
JPH1170588A (ja) * 1997-08-29 1999-03-16 Ykk Corp 再生合成樹脂スライドファスナー用部品の製造方法
BRPI0402330B1 (pt) * 2004-06-14 2020-11-03 Fundação De Amparo À Pesquisa Do Estado de São Paulo processo de descontaminação de poliéster reciclado e uso do mesmo
JP4861454B2 (ja) * 2009-07-02 2012-01-25 一誠 生田 ピストン
WO2011088084A1 (fr) * 2010-01-13 2011-07-21 Mitsubishi Polyester Film, Inc. Procédé de recyclage d'un film de déchets et produit réalisé à partir de celui-ci

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503251A (en) * 1945-02-16 1950-04-11 Ici Ltd Production of filaments, fibers, and the like
GB777778A (en) * 1954-05-26 1957-06-26 British Celanese Making pellets from thermoplastic material
FR1414292A (fr) * 1963-11-18 1965-10-15 Eastman Kodak Co Procédé et dispositif pour la récupération de pellicules plastiques et nouveau produit résultant de la mise en oeuvre du procédé
DE1921447A1 (de) * 1969-04-26 1970-11-12 Hoechst Ag Verfahren zur Feststoffkondensation von Kondensationspolymeren oder deren Vorprodukten
US3767601A (en) * 1971-09-01 1973-10-23 Du Pont Solid phase polymerization of waste polyethylene terephthalate
US3804811A (en) * 1972-04-12 1974-04-16 Horizons Inc Shaped articles from reconstituted polyester
JPS502075A (fr) * 1973-05-09 1975-01-10

Also Published As

Publication number Publication date
DE2621596A1 (de) 1976-12-02
GB1515438A (en) 1978-06-21
IT1063588B (it) 1985-02-11
NL7605164A (nl) 1976-11-17
JPS51139855A (en) 1976-12-02
LU74956A1 (fr) 1977-02-14
FR2310852B1 (fr) 1981-12-11
FR2310852A1 (fr) 1976-12-10
DE2621596C2 (de) 1985-10-17
JPS601167B2 (ja) 1985-01-12

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