TR199800162A2 - Plastik serit imalinde kullanilmak üzere pet tabakalarinin kati halde sirali polimerizasyonu. - Google Patents
Plastik serit imalinde kullanilmak üzere pet tabakalarinin kati halde sirali polimerizasyonu.Info
- Publication number
- TR199800162A2 TR199800162A2 TR1998/00162A TR9800162A TR199800162A2 TR 199800162 A2 TR199800162 A2 TR 199800162A2 TR 1998/00162 A TR1998/00162 A TR 1998/00162A TR 9800162 A TR9800162 A TR 9800162A TR 199800162 A2 TR199800162 A2 TR 199800162A2
- Authority
- TR
- Turkey
- Prior art keywords
- pets
- solid
- manufacture
- plastic tape
- pet
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title abstract 2
- 239000007787 solid Substances 0.000 title abstract 2
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 3
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
-
- 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
- B29B17/02—Separating plastics from other materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0203—Separating plastics from plastics
-
- 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
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0279—Optical identification, e.g. cameras or spectroscopy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
-
- 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
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
-
- 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
- B29K2067/003—PET, i.e. poylethylene terephthalate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Materials For Medical Uses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Package Frames And Binding Bands (AREA)
- Push-Button Switches (AREA)
Abstract
Söz konusu bulus genis bir yelpaze içinde yer alan öz vizkozite (IV) seviyelerine sahip hem tüketim sonrasi PET'lerin hem de farkli bir kaynaktan gelen PET'lerin tabaka halinde kati polimerizasyonuna tabi tutulmasi suretiyle yüksek ve heterojen bir IV sahibi olup yüksek performansli serit ekztrüsyonunda kullanilmasiyla ilgilidir.Uygulanan yöntem temel olarak polietilen terefitalattan (PET) olusan tüketim sonrasi PET'lerin IV seviyesini malzemeyi parçalara ayirip, bunlari yassiltarak, daha sonra bir isitma islemine tabi tutarak, sonra bu malzemeyi sicak nitrojen gazinin bulundugu bir ortamda tekrar isitarak yükseltilmesini saglar.Bulusun önerdigi yöntem dogrultusunda vizkozitesini yükselten PET polimerleri yüksek performansli serit yapiminda kullanilirlar.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/794,538 US5886058A (en) | 1997-02-03 | 1997-02-03 | Inline solid state polymerization of pet flakes for manufacturing plastic strap |
Publications (1)
Publication Number | Publication Date |
---|---|
TR199800162A2 true TR199800162A2 (tr) | 1998-08-21 |
Family
ID=25162932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TR1998/00162A TR199800162A2 (tr) | 1997-02-03 | 1998-02-03 | Plastik serit imalinde kullanilmak üzere pet tabakalarinin kati halde sirali polimerizasyonu. |
Country Status (22)
Country | Link |
---|---|
US (1) | US5886058A (tr) |
EP (1) | EP0856537B1 (tr) |
JP (1) | JPH10259254A (tr) |
KR (1) | KR100257284B1 (tr) |
CN (1) | CN1080282C (tr) |
AT (1) | ATE243228T1 (tr) |
AU (1) | AU698052B2 (tr) |
BR (1) | BR9800508A (tr) |
CA (1) | CA2227952C (tr) |
CZ (1) | CZ293838B6 (tr) |
DE (1) | DE69815559T2 (tr) |
DK (1) | DK0856537T3 (tr) |
ES (1) | ES2201406T3 (tr) |
HU (1) | HU223008B1 (tr) |
IL (1) | IL122969A (tr) |
NO (1) | NO315242B1 (tr) |
PL (1) | PL190528B1 (tr) |
PT (1) | PT856537E (tr) |
RU (1) | RU2151154C1 (tr) |
SK (1) | SK284830B6 (tr) |
TR (1) | TR199800162A2 (tr) |
TW (1) | TW432086B (tr) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6284808B1 (en) * | 1997-02-03 | 2001-09-04 | Illinois Tool Works Inc. | Inline solid state polymerization of PET flakes for manufacturing plastic strap by removing non-crystalline materials from recycled PET |
TWI250934B (en) * | 1997-10-17 | 2006-03-11 | Advancsd Plastics Technologies | Barrier-coated polyester articles and the fabrication method thereof |
US6352426B1 (en) | 1998-03-19 | 2002-03-05 | Advanced Plastics Technologies, Ltd. | Mold for injection molding multilayer preforms |
CA2284965C (en) * | 1998-11-13 | 2003-07-08 | Illinois Tool Works Inc. | Inline solid state polymerization of pet flakes for manufacturing plastic strap |
AUPQ294699A0 (en) * | 1999-09-17 | 1999-10-14 | Visy Plastics Pty Ltd | Process for preparing food contact grade polyethylene terephthalate resin from waste pet containers |
DE19953659A1 (de) * | 1999-11-08 | 2001-05-10 | Buehler Ag | Verfahren und Vorrichtung zur Dekontamination von Polykondensaten |
CA2421433C (en) * | 2000-09-05 | 2011-10-25 | Advanced Plastics Technologies, Ltd. | Multilayer containers and preforms having barrier properties utilizing recycled material |
AT410942B (de) * | 2001-10-29 | 2003-08-25 | Fellinger Markus | Verfahren und vorrichtung zur erhöhung der grenzviskosität von polyester |
US7625628B2 (en) | 2002-04-09 | 2009-12-01 | Illinois Tool Works Inc. | High integrity polyester strapping |
ITMI20030048A1 (it) * | 2003-01-15 | 2004-07-16 | Vomm Chemipharma Srl | Procedimento per la polimerizzazione in fase solida del |
KR100981000B1 (ko) | 2003-05-29 | 2010-09-07 | 에스케이케미칼주식회사 | 고중합도 폴리에틸렌테레프탈레이트의 고상중합방법 |
US20050136201A1 (en) * | 2003-12-22 | 2005-06-23 | Pepsico, Inc. | Method of improving the environmental stretch crack resistance of RPET without solid stating |
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 |
BRPI0518849A2 (pt) * | 2004-12-06 | 2008-12-09 | Eastman Chem Co | concentrado sàlido, processos para a produÇço de uma prÉ-forma, e para a secagem de partÍculas, e, concentrado de polÍmero de poliÉster |
DE102005013701A1 (de) * | 2005-03-24 | 2006-09-28 | Krones Ag | Verfahren und Vorrichtung zur Dekontamination von Kunststoffflakes |
MX2008002479A (es) * | 2005-08-30 | 2008-04-07 | Advanced Plastics Technologies | Metodos y sistemas por controlar temperaturas de molde. |
EP2196299A1 (de) | 2008-12-09 | 2010-06-16 | Alpla Werke Alwin Lehner GmbH & CO. KG | Verfahren zur Aufbereitung von rezykliertem Polyethylenterephthalat |
US8465614B2 (en) | 2010-01-13 | 2013-06-18 | Mitsubishi Polyester Film, Inc. | Process for recycling waste film and product made therefrom |
GB2492942A (en) * | 2011-04-20 | 2013-01-23 | Buhler Sortex Ltd | Processing system and method |
NL1038906C2 (en) * | 2011-06-29 | 2013-01-03 | Wavin Bv | Method and system for providing an assembly of an amount of used plastic material and an information carrier carrying quality data of the amount. |
RU2481951C1 (ru) * | 2011-12-27 | 2013-05-20 | Открытое акционерное общество "Институт пластмасс имени Г.С. Петрова" | Способ получения полимерной ленты из вторичного полиэтилентерефталата |
RU2481952C1 (ru) * | 2011-12-27 | 2013-05-20 | Открытое акционерное общество "Институт пластмасс имени Г.С. Петрова" | Способ получения полимерной ленты из вторичного полиэтилентерефталата |
US10487422B2 (en) | 2012-05-31 | 2019-11-26 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from colored recycled pet |
US10695953B2 (en) | 2012-05-31 | 2020-06-30 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous carpet filament |
US8597553B1 (en) | 2012-05-31 | 2013-12-03 | Mohawk Industries, Inc. | Systems and methods for manufacturing bulked continuous filament |
US9630353B2 (en) | 2012-05-31 | 2017-04-25 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
US9636845B2 (en) | 2012-05-31 | 2017-05-02 | Mohawk Industries, Inc. | Method of manufacturing pet nurdles |
US10532495B2 (en) | 2012-05-31 | 2020-01-14 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from recycled PET |
US9630354B2 (en) | 2012-05-31 | 2017-04-25 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
US9636860B2 (en) | 2012-05-31 | 2017-05-02 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous filament |
US10538016B2 (en) | 2012-05-31 | 2020-01-21 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous carpet filament |
US11045979B2 (en) | 2012-05-31 | 2021-06-29 | Aladdin Manufacturing Corporation | Methods for manufacturing bulked continuous filament from recycled PET |
JP2016011337A (ja) * | 2014-06-27 | 2016-01-21 | 三菱瓦斯化学株式会社 | ポリエステル再生品の製造方法 |
DE102015118393A1 (de) * | 2015-10-28 | 2017-05-04 | STF Maschinen- & Anlagenbau GmbH | Verfahren zum Sortieren von Verpackungsbehälter aus Kunststoff |
PT3186165T (pt) * | 2015-11-10 | 2017-12-18 | Gojara | Dispositivo de controlo de pressão, dispensador que compreende o referido dispositivo de controlo de pressão e método de produção |
WO2018085704A1 (en) * | 2016-11-03 | 2018-05-11 | Science Medical, LLC | Systems and methods for recycling post-consumer polyester-based fabric |
US10751915B2 (en) | 2016-11-10 | 2020-08-25 | Aladdin Manufacturing Corporation | Polyethylene terephthalate coloring systems and methods |
CH713339A1 (de) * | 2017-01-03 | 2018-07-13 | Alpla Werke Alwin Lehner Gmbh & Co Kg | PET-Regranulat mit hoher intrinsischer Viskosität und Verfahren zu dessen Herstellung. |
KR102457552B1 (ko) | 2017-01-30 | 2022-10-21 | 알라딘 매뉴펙쳐링 코포레이션 | 착색된 재생 pet 로부터 벌크 연속 필라멘트를 제조하는 방법 |
WO2018161021A1 (en) | 2017-03-03 | 2018-09-07 | Mohawk Industries, Inc. | Method of manufacturing bulked continuous carpet filament |
MX2020002899A (es) | 2017-09-15 | 2020-07-22 | Aladdin Mfg Corp | Metodo y sistema para colorear tereftalato de polietileno para fabricar un filamento continuo suelto de alfombra. |
US11242622B2 (en) | 2018-07-20 | 2022-02-08 | Aladdin Manufacturing Corporation | Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate |
CH715231A1 (de) * | 2018-08-06 | 2020-02-14 | Alpla Werke Alwin Lehner Gmbh & Co Kg | Verfahren zur Aufbereitung von zur Wiederverwendung vorgesehenen Thermoplasten. |
JP7175707B2 (ja) * | 2018-10-23 | 2022-11-21 | 萩原工業株式会社 | 再生樹脂材料の不純物除去方法 |
CN109705547B (zh) * | 2018-11-30 | 2022-01-21 | 中粮集团有限公司 | 耐热改性聚乳酸材料及其制备方法 |
KR102163351B1 (ko) | 2019-11-08 | 2020-10-08 | 이경희 | 고강력 폴리에스터 장섬유 제조를 위한 재생 pet 칩 제조방법 |
KR102339830B1 (ko) | 2020-10-21 | 2021-12-15 | 이경희 | 저점도 재활용품 pet 플레이크를 활용한 고점도 리싸이클 pet칩의 제조방법 |
KR102347381B1 (ko) | 2020-11-05 | 2022-01-07 | 주식회사 새동방 | Pet 재생칩의 제조 방법 및 이를 이용한 pet 단섬유 |
KR20230050530A (ko) | 2021-10-07 | 2023-04-17 | 주식회사 새동방 | 저급 pet를 이용한 재생 pet 칩의 제조방법, 이에 따른 재생 pet 칩 및 이를 이용하여 제조된 pet 단섬유 |
KR102599800B1 (ko) | 2021-10-12 | 2023-11-08 | 이경희 | 폐pet를 활용한 고품위 리싸이클 pet 칩의 제조방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3767601A (en) * | 1971-09-01 | 1973-10-23 | Du Pont | Solid phase polymerization of waste polyethylene terephthalate |
US4077945A (en) * | 1974-03-23 | 1978-03-07 | Zimmer Aktiengesellschaft | Process for making linear polyesters from ethylene glycol and terephthalic acid |
US4092458A (en) * | 1975-05-15 | 1978-05-30 | E. I. Du Pont De Nemours And Company | Porous laminar pellets of waste poly(ethylene terephthalate) film, and processes for drying and polymerization |
US4022863A (en) * | 1975-06-04 | 1977-05-10 | Caristrap Corporation | Polymer plastic strapping from polyethylene terephthalate |
US4742151A (en) * | 1986-06-26 | 1988-05-03 | Toyo Boseki Kabushiki Kaisha | Ultra-high-molecular-weight polyesters |
DE4034459A1 (de) * | 1990-10-30 | 1992-05-07 | Hoechst Ag | Verfahren zur aufbereitung thermisch beanspruchter polyester-abfaelle |
-
1997
- 1997-02-03 US US08/794,538 patent/US5886058A/en not_active Expired - Lifetime
-
1998
- 1998-01-19 IL IL12296998A patent/IL122969A/xx not_active IP Right Cessation
- 1998-01-21 AU AU52165/98A patent/AU698052B2/en not_active Ceased
- 1998-01-26 CA CA 2227952 patent/CA2227952C/en not_active Expired - Fee Related
- 1998-01-26 TW TW87101026A patent/TW432086B/zh active
- 1998-01-26 CN CN98103674A patent/CN1080282C/zh not_active Expired - Fee Related
- 1998-01-27 SK SK118-98A patent/SK284830B6/sk not_active IP Right Cessation
- 1998-01-28 PT PT98300599T patent/PT856537E/pt unknown
- 1998-01-28 AT AT98300599T patent/ATE243228T1/de active
- 1998-01-28 EP EP19980300599 patent/EP0856537B1/en not_active Expired - Lifetime
- 1998-01-28 ES ES98300599T patent/ES2201406T3/es not_active Expired - Lifetime
- 1998-01-28 DE DE1998615559 patent/DE69815559T2/de not_active Expired - Lifetime
- 1998-01-28 DK DK98300599T patent/DK0856537T3/da active
- 1998-01-29 CZ CZ1998270A patent/CZ293838B6/cs not_active IP Right Cessation
- 1998-01-29 BR BR9800508A patent/BR9800508A/pt not_active Application Discontinuation
- 1998-02-02 NO NO19980445A patent/NO315242B1/no not_active IP Right Cessation
- 1998-02-02 RU RU98103427A patent/RU2151154C1/ru not_active IP Right Cessation
- 1998-02-02 HU HU9800189A patent/HU223008B1/hu not_active IP Right Cessation
- 1998-02-02 PL PL98324600A patent/PL190528B1/pl not_active IP Right Cessation
- 1998-02-02 KR KR1019980002755A patent/KR100257284B1/ko not_active IP Right Cessation
- 1998-02-03 JP JP2208198A patent/JPH10259254A/ja active Pending
- 1998-02-03 TR TR1998/00162A patent/TR199800162A2/tr unknown
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