GB1578502A - Process and apparatus for re-melting polymer waste - Google Patents
Process and apparatus for re-melting polymer waste Download PDFInfo
- Publication number
- GB1578502A GB1578502A GB2595/78A GB259578A GB1578502A GB 1578502 A GB1578502 A GB 1578502A GB 2595/78 A GB2595/78 A GB 2595/78A GB 259578 A GB259578 A GB 259578A GB 1578502 A GB1578502 A GB 1578502A
- Authority
- GB
- United Kingdom
- Prior art keywords
- waste
- polymer waste
- walls
- screw
- hopper
- 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
- 239000002699 waste material Substances 0.000 title claims description 68
- 229920000642 polymer Polymers 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 36
- 238000002844 melting Methods 0.000 title claims description 12
- 238000012856 packing Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- 238000006731 degradation reaction Methods 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 claims description 8
- 230000003301 hydrolyzing effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005755 formation reaction Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 6
- -1 polyethylene terephthalate Polymers 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000009987 spinning Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000012815 thermoplastic material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- XPMMAKUHNMSONL-UHFFFAOYSA-N 6-methylpiperidin-2-one Chemical compound CC1CCCC(=O)N1 XPMMAKUHNMSONL-UHFFFAOYSA-N 0.000 description 1
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- 235000011960 Brassica ruvo Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000034659 glycolysis Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000009827 uniform distribution 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
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/731—Filamentary material, i.e. comprised of a single element, e.g. filaments, strands, threads, fibres
-
- 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)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2703461A DE2703461C2 (de) | 1977-01-28 | 1977-01-28 | Stopwerk zur Vorverdichtung zerkleinerter voluminöser Polymerabfälle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1578502A true GB1578502A (en) | 1980-11-05 |
Family
ID=5999751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2595/78A Expired GB1578502A (en) | 1977-01-28 | 1978-01-23 | Process and apparatus for re-melting polymer waste |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4143001A (en:Method) |
| DE (1) | DE2703461C2 (en:Method) |
| FR (1) | FR2378622A1 (en:Method) |
| GB (1) | GB1578502A (en:Method) |
| IT (1) | IT1091823B (en:Method) |
| NL (1) | NL7713304A (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4335994A1 (de) * | 1993-10-21 | 1995-04-27 | Karlheinz Fischlowitz | Verfahren zur Herstellung von Halbfertigteilen aus Altpulver |
| DE19710098A1 (de) * | 1997-03-12 | 1998-09-17 | Paul Stehning Gmbh | Verfahren zur Erzeugung von PET-Recyclat aus Flakes, sowie nach dem Verfahren erzeugtes PET-Produkt |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2439074A1 (fr) * | 1978-10-18 | 1980-05-16 | Rhone Poulenc Textile | Procede de regeneration de polymere a partir de dechets |
| US4451583A (en) * | 1982-01-26 | 1984-05-29 | Olin Corporation | Recycling of flexible polyurethane foam scrap |
| DE3206203C2 (de) * | 1982-02-20 | 1983-12-15 | Norddeutsche Faserwerke GmbH, 2350 Neumünster | Verfahren zur Verwertung von Abfällen schmelzgesponnener Fasern |
| US4461734A (en) * | 1982-09-13 | 1984-07-24 | Union Carbide Corporation | Process for plasticization and pumping of low bulk density plastics |
| DE3332278C2 (de) * | 1983-09-07 | 1986-04-30 | Eberhard 7760 Radolfzell Bücheler | Vorrichtung zur Trennung von geschmolzenem Kunststoff von Verunreinigungen |
| EP0140846B1 (en) * | 1983-10-17 | 1988-11-23 | Renato Fornasero | Process for recovery of heterogeneous waste plastic materials, and apparatus usable in carrying out the same |
| DE3420643C2 (de) * | 1984-06-02 | 1987-03-05 | Heinrich 5200 Siegburg Koch | Vorrichtung zum Wiederaufbereiten von thermoplastischen Abfällen |
| DE3828662A1 (de) * | 1988-08-24 | 1990-03-08 | Priesemuth W | Vorrichtung zur herstellung von kunststoffregenerat |
| DE4039024A1 (de) * | 1990-09-21 | 1992-03-26 | Bayer Ag | Reinigung von polycarbonat- und polyestercarbonat-abfaellen |
| DE4037562C1 (en:Method) * | 1990-11-26 | 1992-08-27 | Wnc-Nitrochemie Gmbh, 8261 Aschau, De | |
| US5891955A (en) * | 1991-04-16 | 1999-04-06 | Ibf Integrated Business And Finance S.A. | Process for transforming a starting material containing at least two different thermoplastic materials into a new homogenous thermoplastic material |
| US5169870A (en) * | 1991-06-21 | 1992-12-08 | Basf Corporation | Reclaiming ε-caprolactam from nylon 6 carpet |
| EP0528093A1 (en) * | 1991-08-16 | 1993-02-24 | Remac Maskinfabrik ApS | Method and apparatus for producing pelleted polystyrene of polystyrene foam plastic materials |
| US5370757A (en) | 1991-08-30 | 1994-12-06 | Basf Corporation | Process for manufacturing substantially 100% nylon 6 carpet |
| US5223544A (en) * | 1992-03-31 | 1993-06-29 | Shell Oil Company | Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream |
| KR100363291B1 (ko) * | 1994-12-27 | 2003-05-09 | 세키스이가세이힝코교가부시키가이샤 | 열가소성폴리에스테르계수지발포체의연속적제조방법및제조장치 |
| KR100227305B1 (ko) * | 1997-08-28 | 1999-11-01 | 이재호 | 폐합성수지 성형물의 제조방법 |
| AUPQ747100A0 (en) * | 2000-05-11 | 2000-06-08 | Geo2 Limited | Delamination process |
| US6436197B1 (en) | 2000-09-05 | 2002-08-20 | Metss Corporation | Optical media demetallization process |
| EP2524015B2 (en) * | 2010-01-13 | 2024-04-10 | Mitsubishi Polyester Film, Inc. | Process for recycling waste film and product made therefrom |
| AR100196A1 (es) * | 2014-10-21 | 2016-09-21 | Enye Tech S A | Método para elaborar un insumo proveniente del reciclado de material plástico de residuos industriales y post consumo, apto para ser utilizado por las impresoras 3d |
| CN110656392A (zh) * | 2018-06-29 | 2020-01-07 | 展颂股份有限公司 | 回收耐隆纤维及其制造方法 |
| RU2698663C1 (ru) * | 2019-01-18 | 2019-08-28 | Станислав Викторович Дьячук | Способ переработки вторичного сырья на основе полиэтилена, предназначенного для использования в антикоррозионном покрытии трубопроводов |
| WO2020223534A1 (en) * | 2019-05-01 | 2020-11-05 | Infinical Technologies Llc | Systems and processes for recovery of mixed multi-plastic and natural fiber |
| DE102021207614A1 (de) * | 2021-07-16 | 2023-01-19 | Coperion Gmbh | Verfahren und Wiederaufbereitungsanlage zur Wiederaufbereitung von Kunststoff-Abfallmaterial, insbesondere von PET-Abfallmaterial |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1543007A (fr) * | 1900-01-01 | Dispositif de recyclage immédiat des petits canaux d'injection sur les presses à vis | ||
| US2782963A (en) * | 1953-07-27 | 1957-02-26 | Bayer Ag | Means for feeding to machines sticky or crust-forming materials |
| NL120118C (en:Method) * | 1959-04-18 | 1900-01-01 | ||
| DE1529822B1 (de) * | 1966-06-14 | 1972-01-20 | Sperling Karl Heinz | Vorrichtung zur einspeisung von pulverfoermigem kunststoff in eine schneckenstrangpresse |
| US3652466A (en) * | 1968-07-16 | 1972-03-28 | Du Pont | Process of recovering polyester from polyester films having polymeric coatings |
| US3645659A (en) * | 1969-03-13 | 1972-02-29 | Gloucester Eng Co Inc | Extruding plastic |
| DE2012344A1 (de) * | 1970-03-16 | 1971-10-07 | Koch H | Anlage zur Aufbereitung von Folienbahnen oder Folienstreifen zu Granulat |
| US3703347A (en) * | 1970-08-27 | 1972-11-21 | Eastman Kodak Co | Waste recovery of thermoplastic continuous filamentary material |
| US3959357A (en) * | 1973-02-23 | 1976-05-25 | Japan Steel Works, Ltd. | Method for continuously thermally decomposing synthetic macro-molecule materials |
| DE2351328A1 (de) * | 1973-10-12 | 1975-04-24 | Ver Foerderung Inst Kunststoff | Verfahren und einrichtung zum verarbeiten von zuvor unzerkleinerten thermoplastischen kunststoffabfaellen (altmaterial) in einschnecken-extrudern |
| DE2442387C3 (de) * | 1974-09-04 | 1981-09-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen hydrolytischen Aufspaltung von hydrolysierbaren Kunststoffabfällen |
| US3976563A (en) * | 1975-03-07 | 1976-08-24 | Bell Telephone Laboratories, Incorporated | Dry reclamation of wire scrap |
-
1977
- 1977-01-28 DE DE2703461A patent/DE2703461C2/de not_active Expired
- 1977-12-01 NL NL7713304A patent/NL7713304A/xx not_active Application Discontinuation
-
1978
- 1978-01-23 GB GB2595/78A patent/GB1578502A/en not_active Expired
- 1978-01-25 US US05/872,266 patent/US4143001A/en not_active Expired - Lifetime
- 1978-01-27 IT IT1974878A patent/IT1091823B/it active
- 1978-01-27 FR FR7802431A patent/FR2378622A1/fr active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4335994A1 (de) * | 1993-10-21 | 1995-04-27 | Karlheinz Fischlowitz | Verfahren zur Herstellung von Halbfertigteilen aus Altpulver |
| DE19710098A1 (de) * | 1997-03-12 | 1998-09-17 | Paul Stehning Gmbh | Verfahren zur Erzeugung von PET-Recyclat aus Flakes, sowie nach dem Verfahren erzeugtes PET-Produkt |
Also Published As
| Publication number | Publication date |
|---|---|
| US4143001A (en) | 1979-03-06 |
| IT1091823B (it) | 1985-07-06 |
| DE2703461A1 (de) | 1978-08-03 |
| DE2703461C2 (de) | 1985-01-10 |
| FR2378622A1 (fr) | 1978-08-25 |
| NL7713304A (nl) | 1978-08-01 |
| IT7819748A0 (it) | 1978-01-27 |
| FR2378622B1 (en:Method) | 1982-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |