FR2310852A1 - POROUS PADS FROM POLY FILM WASTE (ETHYLENE TEREPHTHALATE) AND THEIR MANUFACTURE - Google Patents

POROUS PADS FROM POLY FILM WASTE (ETHYLENE TEREPHTHALATE) AND THEIR MANUFACTURE

Info

Publication number
FR2310852A1
FR2310852A1 FR7614575A FR7614575A FR2310852A1 FR 2310852 A1 FR2310852 A1 FR 2310852A1 FR 7614575 A FR7614575 A FR 7614575A FR 7614575 A FR7614575 A FR 7614575A FR 2310852 A1 FR2310852 A1 FR 2310852A1
Authority
FR
France
Prior art keywords
manufacture
ethylene terephthalate
film waste
poly film
porous pads
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.)
Granted
Application number
FR7614575A
Other languages
French (fr)
Other versions
FR2310852B1 (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.)
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
Publication of FR2310852A1 publication Critical patent/FR2310852A1/en
Application granted granted Critical
Publication of FR2310852B1 publication Critical patent/FR2310852B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0026—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting
    • B29B17/0036—Recovery of plastics or other constituents of waste material containing plastics by agglomeration or compacting of large particles, e.g. beads, granules, pellets, flakes, slices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/08—Making granules by agglomerating smaller particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • 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

  • 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)
FR7614575A 1975-05-15 1976-05-14 POROUS PADS FROM POLY FILM WASTE (ETHYLENE TEREPHTHALATE) AND THEIR MANUFACTURE Granted FR2310852A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57784875A 1975-05-15 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

Publications (2)

Publication Number Publication Date
FR2310852A1 true FR2310852A1 (en) 1976-12-10
FR2310852B1 FR2310852B1 (en) 1981-12-11

Family

ID=27077355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7614575A Granted FR2310852A1 (en) 1975-05-15 1976-05-14 POROUS PADS FROM POLY FILM WASTE (ETHYLENE TEREPHTHALATE) AND THEIR MANUFACTURE

Country Status (8)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599665A1 (en) * 1986-06-06 1987-12-11 Rhone Poulenc Fibres Method and device for regenerating waste based on fusible polymers
EP0698462A2 (en) * 1994-08-23 1996-02-28 Isell S.A. Process for the re-use of P.E.T. waste material, and installation for carrying out the process

Families Citing this family (6)

* 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
DE4216335A1 (en) * 1992-05-16 1993-11-18 Braun Ag Shredding and mixing device for a multi-purpose food processor
JPH1170588A (en) * 1997-08-29 1999-03-16 Ykk Corp Manufacture of part for regenerated synthetic resin slide fastener
BRPI0402330B1 (en) * 2004-06-14 2020-11-03 Fundação De Amparo À Pesquisa Do Estado de São Paulo decontamination process of recycled polyester and use of it
JP4861454B2 (en) * 2009-07-02 2012-01-25 一誠 生田 piston
KR20120135206A (en) * 2010-01-13 2012-12-12 미츠비시 폴리에스테르 필름 인코포레이티드 Process for recycling waste film and product made therefrom

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777778A (en) * 1954-05-26 1957-06-26 British Celanese Making pellets from thermoplastic material
FR1414292A (en) * 1963-11-18 1965-10-15 Eastman Kodak Co Process and device for the recovery of plastic films and new product resulting from the implementation of the process
DE2010414A1 (en) * 1970-03-05 1971-11-25 Koch H Process for the preparatory treatment of plastic film webs or plastic film strips
US3804811A (en) * 1972-04-12 1974-04-16 Horizons Inc Shaped articles from reconstituted polyester
FR2228588A1 (en) * 1973-05-09 1974-12-06 Teijin Ltd Thermoplastic waste reprocessed from fibres or shreds - by extruding through narrow ducts to cause partial fusion

Family Cites Families (3)

* 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
DE1921447A1 (en) * 1969-04-26 1970-11-12 Hoechst Ag Process for the solid condensation of condensation polymers or their precursors
US3767601A (en) * 1971-09-01 1973-10-23 Du Pont Solid phase polymerization of waste polyethylene terephthalate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB777778A (en) * 1954-05-26 1957-06-26 British Celanese Making pellets from thermoplastic material
FR1414292A (en) * 1963-11-18 1965-10-15 Eastman Kodak Co Process and device for the recovery of plastic films and new product resulting from the implementation of the process
DE2010414A1 (en) * 1970-03-05 1971-11-25 Koch H Process for the preparatory treatment of plastic film webs or plastic film strips
US3804811A (en) * 1972-04-12 1974-04-16 Horizons Inc Shaped articles from reconstituted polyester
FR2228588A1 (en) * 1973-05-09 1974-12-06 Teijin Ltd Thermoplastic waste reprocessed from fibres or shreds - by extruding through narrow ducts to cause partial fusion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2599665A1 (en) * 1986-06-06 1987-12-11 Rhone Poulenc Fibres Method and device for regenerating waste based on fusible polymers
EP0698462A2 (en) * 1994-08-23 1996-02-28 Isell S.A. Process for the re-use of P.E.T. waste material, and installation for carrying out the process
EP0698462A3 (en) * 1994-08-23 1996-09-18 Isell Sa Process for the re-use of P.E.T. waste material, and installation for carrying out the process

Also Published As

Publication number Publication date
FR2310852B1 (en) 1981-12-11
IT1063588B (en) 1985-02-11
DE2621596A1 (en) 1976-12-02
DE2621596C2 (en) 1985-10-17
CA1089616A (en) 1980-11-18
JPS51139855A (en) 1976-12-02
GB1515438A (en) 1978-06-21
NL7605164A (en) 1976-11-17
LU74956A1 (en) 1977-02-14
JPS601167B2 (en) 1985-01-12

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