CA1089616A - Porous laminar pellets of waste poly (ethylene terephthalate) film, and processes for drying and polymerization - Google Patents
Porous laminar pellets of waste poly (ethylene terephthalate) film, and processes for drying and polymerizationInfo
- 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
Links
- 239000008188 pellet Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000006116 polymerization reaction Methods 0.000 title abstract description 40
- 239000005020 polyethylene terephthalate Substances 0.000 title abstract description 27
- 239000002699 waste material Substances 0.000 title abstract description 27
- 229920000139 polyethylene terephthalate Polymers 0.000 title abstract description 26
- 238000001035 drying Methods 0.000 title abstract description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 230000001427 coherent effect Effects 0.000 claims abstract 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 3
- 229920006254 polymer film Polymers 0.000 claims description 3
- 238000006482 condensation reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- -1 poly(ethylene terephthalate) Polymers 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 239000000178 monomer Substances 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract description 2
- 230000034659 glycolysis Effects 0.000 abstract description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 11
- 229920002799 BoPET Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 230000002000 scavenging effect Effects 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 239000012615 aggregate Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene-acid Natural products C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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)
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 | 1984-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1089616A true CA1089616A (en) | 1980-11-18 |
Family
ID=27077355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA252,360A Expired CA1089616A (en) | 1975-05-15 | 1976-05-12 | Porous laminar pellets of waste poly (ethylene terephthalate) film, and processes for drying and polymerization |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS601167B2 (en:Method) |
| CA (1) | CA1089616A (en:Method) |
| DE (1) | DE2621596C2 (en:Method) |
| FR (1) | FR2310852A1 (en:Method) |
| GB (1) | GB1515438A (en:Method) |
| IT (1) | IT1063588B (en:Method) |
| LU (1) | LU74956A1 (en:Method) |
| NL (1) | NL7605164A (en:Method) |
Families Citing this family (8)
| 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 |
| ATE201352T1 (de) * | 1994-08-23 | 2001-06-15 | Eco Selecta Italia S R L | Verfahren zur wiederverwendung der p.e.t.- abfällen, und anlage zur durchführung des verfahrens |
| 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 |
| EP2524015B2 (en) * | 2010-01-13 | 2024-04-10 | Mitsubishi Polyester Film, Inc. | Process for recycling waste film and product made therefrom |
Family Cites Families (7)
| 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 (en:Method) * | 1973-05-09 | 1975-01-10 |
-
1976
- 1976-05-12 CA CA252,360A patent/CA1089616A/en not_active Expired
- 1976-05-14 NL NL7605164A patent/NL7605164A/xx unknown
- 1976-05-14 IT IT2330976A patent/IT1063588B/it active
- 1976-05-14 JP JP51054447A patent/JPS601167B2/ja not_active Expired
- 1976-05-14 LU LU74956A patent/LU74956A1/xx unknown
- 1976-05-14 GB GB2000376A patent/GB1515438A/en not_active Expired
- 1976-05-14 FR FR7614575A patent/FR2310852A1/fr active Granted
- 1976-05-14 DE DE2621596A patent/DE2621596C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2310852A1 (fr) | 1976-12-10 |
| NL7605164A (nl) | 1976-11-17 |
| GB1515438A (en) | 1978-06-21 |
| FR2310852B1 (en:Method) | 1981-12-11 |
| JPS51139855A (en) | 1976-12-02 |
| DE2621596A1 (de) | 1976-12-02 |
| DE2621596C2 (de) | 1985-10-17 |
| IT1063588B (it) | 1985-02-11 |
| LU74956A1 (en:Method) | 1977-02-14 |
| JPS601167B2 (ja) | 1985-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |