IT1063588B - POROS AND POLYETHYL TEREPHTHALATE WASTE TABLETS AND PROCESSES FOR POLYMERIZATION AND DRYING - Google Patents

POROS AND POLYETHYL TEREPHTHALATE WASTE TABLETS AND PROCESSES FOR POLYMERIZATION AND DRYING

Info

Publication number
IT1063588B
IT1063588B IT2330976A IT2330976A IT1063588B IT 1063588 B IT1063588 B IT 1063588B IT 2330976 A IT2330976 A IT 2330976A IT 2330976 A IT2330976 A IT 2330976A IT 1063588 B IT1063588 B IT 1063588B
Authority
IT
Italy
Prior art keywords
poros
polymerization
drying
processes
terephthalate waste
Prior art date
Application number
IT2330976A
Other languages
Italian (it)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1063588B publication Critical patent/IT1063588B/en

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)
IT2330976A 1975-05-15 1976-05-14 POROS AND POLYETHYL TEREPHTHALATE WASTE TABLETS AND PROCESSES FOR POLYMERIZATION AND DRYING IT1063588B (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 (1)

Publication Number Publication Date
IT1063588B true IT1063588B (en) 1985-02-11

Family

ID=27077355

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2330976A IT1063588B (en) 1975-05-15 1976-05-14 POROS AND POLYETHYL TEREPHTHALATE WASTE TABLETS AND PROCESSES FOR POLYMERIZATION AND DRYING

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)

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 (en) * 1986-06-06 1988-11-04 Rhone Poulenc Fibres PROCESS AND DEVICE FOR REGENERATING WASTE POLYMER-BASED DEC HETS
DE4216335A1 (en) * 1992-05-16 1993-11-18 Braun Ag Shredding and mixing device for a multi-purpose food processor
DE69520989D1 (en) * 1994-08-23 2001-06-28 Eco Selecta Italia S R L Process for the reuse of the P.E.T.waste and installation for carrying out the process
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
US8465614B2 (en) * 2010-01-13 2013-06-18 Mitsubishi Polyester Film, Inc. Process for recycling waste film and product made therefrom

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 (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
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
US3804811A (en) * 1972-04-12 1974-04-16 Horizons Inc Shaped articles from reconstituted polyester
JPS502075A (en) * 1973-05-09 1975-01-10

Also Published As

Publication number Publication date
LU74956A1 (en) 1977-02-14
DE2621596A1 (en) 1976-12-02
CA1089616A (en) 1980-11-18
GB1515438A (en) 1978-06-21
FR2310852B1 (en) 1981-12-11
NL7605164A (en) 1976-11-17
FR2310852A1 (en) 1976-12-10
JPS601167B2 (en) 1985-01-12
JPS51139855A (en) 1976-12-02
DE2621596C2 (en) 1985-10-17

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950428