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
Authority: CA; Canada
Prior art keywords: pellets; flakes; film; ethylene terephthalate; flake
Prior art date: 1975-05-15
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.)

1975-05-15

Filing date

1976-05-12

Publication date

1980-11-18

1976-04-12 Priority claimed from US05/676,141 external-priority patent/US4092458A/en

1976-05-12 Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co

1980-11-18 Application granted granted Critical

1980-11-18 Publication of CA1089616A publication Critical patent/CA1089616A/fr

Status Expired legal-status Critical Current

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)

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		1984-11-29

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
DE69520989D1 (de) *	1994-08-23	2001-06-28	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
KR20120135206A (ko) *	2010-01-13	2012-12-12	미츠비시 폴리에스테르 필름 인코포레이티드	폐필름의 재활용 방법 및 그로부터 제조된 제품

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

1976
- 1976-05-12 CA CA252,360A patent/CA1089616A/fr not_active Expired
- 1976-05-14 DE DE2621596A patent/DE2621596C2/de not_active Expired
- 1976-05-14 JP JP51054447A patent/JPS601167B2/ja not_active Expired
- 1976-05-14 IT IT2330976A patent/IT1063588B/it active
- 1976-05-14 FR FR7614575A patent/FR2310852A1/fr active Granted
- 1976-05-14 LU LU74956A patent/LU74956A1/xx unknown
- 1976-05-14 GB GB2000376A patent/GB1515438A/en not_active Expired
- 1976-05-14 NL NL7605164A patent/NL7605164A/xx unknown

Also Published As

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

Legal Events

Date	Code	Title	Description
1997-11-18	MKEX	Expiry

Publication	Publication Date	Title
US4092458A (en)	1978-05-30	Porous laminar pellets of waste poly(ethylene terephthalate) film, and processes for drying and polymerization
US4876326A (en)	1989-10-24	Solid state polymerization of polyester prepolymers
KR100478570B1 (ko)	2005-03-28	괴성화물 및 그 제조방법
US3771234A (en)	1973-11-13	Microwave drying process for synthetic polymers
EP0483665B1 (fr)	1997-04-16	Procédé de récupération de déchets de polyester fatigués thermiquement
SK284830B6 (sk)	2005-12-01	Spôsob výroby polyetyléntereftalátového materiálu na použitie pri výrobe plastového pásu
GB2032933A (en)	1980-05-14	Process for the regeneration of polymers from waste
EP1574538B1 (fr)	2008-05-07	Particle à base de polyester ayant un faible gradient de viscosité de la surface au centre
ES8609450A1 (es)	1986-07-16	Un metodo para estabilizar polimeros fomentadores del des- prendimiento de suciedad
US3804811A (en)	1974-04-16	Shaped articles from reconstituted polyester
US4849497A (en)	1989-07-18	Solid state polymerization of porous pills made by compacting polyester prepolymers
US3767601A (en)	1973-10-23	Solid phase polymerization of waste polyethylene terephthalate
US4977196A (en)	1990-12-11	Solid state polymerization of porous pills made by compacting polyester prepolymers
JPS601167B2 (ja)	1985-01-12	多孔性層状ペレツト
US3457248A (en)	1969-07-22	Polyolefin recovery from solution by flashing and chopping
US5844008A (en)	1998-12-01	Process for treating municipal solid waste
US3663674A (en)	1972-05-16	Densification of poly-alpha-olefins
KR102216447B1 (ko)	2021-02-17	재생 플라스틱 제조방법
SU1434663A1 (ru)	1990-09-15	Способ измельчени полимерного материала
CN114700039A (zh)	2022-07-05	一种连续生产碳分子筛的系统及其工艺方法
KR100337008B1 (ko)	2002-05-16	폴리에틸렌 테레프탈레이트 물질의 제조방법
CN117447766A (zh)	2024-01-26	废旧超高分子量聚乙烯的回收再生方法及其在滚塑包装箱中的应用
US4130521A (en)	1978-12-19	Densification of polypyrrolidone
JPH0313304A (ja)	1991-01-22	熱可塑性樹脂の造粒方法
CN117124561B (zh)	2026-01-06	一种哑光聚乙烯基材膜的制备方法