ZA200102117B - Method for cleaning and decontaminating polyesters. - Google Patents
Method for cleaning and decontaminating polyesters. Download PDFInfo
- Publication number
- ZA200102117B ZA200102117B ZA200102117A ZA200102117A ZA200102117B ZA 200102117 B ZA200102117 B ZA 200102117B ZA 200102117 A ZA200102117 A ZA 200102117A ZA 200102117 A ZA200102117 A ZA 200102117A ZA 200102117 B ZA200102117 B ZA 200102117B
- Authority
- ZA
- South Africa
- Prior art keywords
- polyester
- polyesters
- acid
- water
- materials
- Prior art date
Links
- 229920000728 polyester Polymers 0.000 title claims description 159
- 238000000034 method Methods 0.000 title claims description 83
- 238000004140 cleaning Methods 0.000 title description 8
- 239000000203 mixture Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 29
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 28
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- -1 polyethylene terephthalate Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 description 59
- 230000008569 process Effects 0.000 description 46
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- 239000004800 polyvinyl chloride Substances 0.000 description 17
- 238000011084 recovery Methods 0.000 description 17
- 229920000915 polyvinyl chloride Polymers 0.000 description 16
- 239000002253 acid Substances 0.000 description 15
- 239000003518 caustics Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 14
- 239000000356 contaminant Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 12
- 229920005862 polyol Polymers 0.000 description 11
- 150000003077 polyols Chemical class 0.000 description 11
- 150000007524 organic acids Chemical class 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- 238000004064 recycling Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229920001634 Copolyester Polymers 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- PWKNBLFSJAVFAB-UHFFFAOYSA-N 1-fluoro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1F PWKNBLFSJAVFAB-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical class CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001965 increasing effect Effects 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
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 150000007519 polyprotic acids Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminum chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 230000033444 hydroxylation Effects 0.000 description 1
- 238000005805 hydroxylation reaction Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229940074731 ophthalmologic surgical aids Drugs 0.000 description 1
- JPJBEORAVWZJKS-UHFFFAOYSA-N oxalic acid;propanedioic acid Chemical compound OC(=O)C(O)=O.OC(=O)CC(O)=O JPJBEORAVWZJKS-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001291 polyvinyl halide Polymers 0.000 description 1
- 229920006214 polyvinylidene halide Polymers 0.000 description 1
- 239000010817 post-consumer waste Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 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
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- 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
-
- 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
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/164,819 US6147129A (en) | 1998-10-01 | 1998-10-01 | Method for treating polyesters and, in particular, cleaning and decontaminating polyesters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200102117B true ZA200102117B (en) | 2002-06-13 |
Family
ID=22596228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200102117A ZA200102117B (en) | 1998-10-01 | 1999-09-30 | Method for cleaning and decontaminating polyesters. |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US6147129A (es) |
| EP (1) | EP1124888B1 (es) |
| JP (1) | JP4416950B2 (es) |
| KR (1) | KR100635622B1 (es) |
| CN (1) | CN1146624C (es) |
| AR (1) | AR016739A1 (es) |
| AT (1) | ATE284430T1 (es) |
| AU (1) | AU760736B2 (es) |
| BR (1) | BR9914198A (es) |
| CA (1) | CA2343093C (es) |
| CO (1) | CO5100965A1 (es) |
| CZ (1) | CZ302482B6 (es) |
| DE (1) | DE69922533T2 (es) |
| ES (1) | ES2234308T3 (es) |
| NO (1) | NO323692B1 (es) |
| NZ (1) | NZ510816A (es) |
| PT (1) | PT1124888E (es) |
| WO (1) | WO2000018830A1 (es) |
| ZA (1) | ZA200102117B (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10002682A1 (de) * | 2000-01-24 | 2001-08-02 | Krones Ag | Verfahren zum Wiederaufbereiten von PET-Bestandteilen und Vorrichtung zum Durchführen des Verfahrens |
| DE10032899C2 (de) * | 2000-07-06 | 2003-09-18 | B & B Anlagenbau Gmbh | Verfahren zum Aufbereiten von PET-Behältnissen mittels einer Wärmebehandlung |
| EP1214970B1 (de) * | 2000-12-15 | 2002-09-04 | SKP Recycling AG & Co. | Vorrichtung zum Reinigen und/oder Dekontaminieren von Polyester |
| US7070624B2 (en) * | 2001-06-19 | 2006-07-04 | United Resource Recovery Corporation | Process for separating polyester from other materials |
| CZ293642B6 (cs) | 2002-05-23 | 2004-06-16 | Ptp Plastic Technologies And Products B.V. | Způsob zpracování odpadů z polyesteru |
| GB2394225A (en) * | 2002-10-16 | 2004-04-21 | Colormatrix Europe Ltd | Polymer colourant additive composition |
| US6935051B2 (en) * | 2002-11-22 | 2005-08-30 | Charles L. Stock | Heating and drying apparatus for particulate material |
| BRPI0413997A (pt) * | 2003-09-03 | 2006-11-07 | United Resource Recovery Corp | processo para separar poliéster de contaminantes, método para separar uma mistura, e, vaso de limpeza |
| CA2584204A1 (en) * | 2004-10-18 | 2006-04-27 | Phoenix Technologies International, Llc | Method for accelerating the solid-stating of polyethylene terephthalate |
| GB0426677D0 (en) * | 2004-12-04 | 2005-01-05 | Colormatrix Europe Ltd | Moulded thermoplastic articles recycling process |
| ATE510668T1 (de) * | 2005-01-18 | 2011-06-15 | M & G Polimeri Italia Spa | Unterteiltes pellet für verbesserte kontaminantenentfernung |
| US7098299B1 (en) * | 2005-03-16 | 2006-08-29 | United Resource Recovery Corporation | Separation of contaminants from polyester materials |
| DK2192150T3 (da) | 2008-11-26 | 2012-01-30 | Veolia Umweltservice Beteiligungsverwaltungs Gmbh | Polyester-med-ætsningsmateriale-blandingsfremgangsmåde og blandingsreaktorer |
| CN102952289A (zh) * | 2011-08-22 | 2013-03-06 | 小田产业株式会社 | 含有聚烯烃类的复合塑料的分离方法和分离装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1597530A1 (de) * | 1966-07-27 | 1970-06-11 | Eastman Kodak Co | Verfahren zum Entfernen einer aus einem Vinylidenhalogenid-mischpolymerisat bestehenden Zwischen- oder Verankerungsschicht von Polyesterfilmtraegerabfaellen |
| US3960817A (en) * | 1970-10-23 | 1976-06-01 | Ciba-Geigy Ag | Solid phase polyester polycondensation |
| US4161578A (en) * | 1978-05-12 | 1979-07-17 | Bepex Corporation | Process for solid phase polymerization of polyester |
| US4532319A (en) * | 1984-09-13 | 1985-07-30 | The Goodyear Tire & Rubber Company | Solid state polymerization of polyester |
| US4803256A (en) * | 1988-02-01 | 1989-02-07 | Dow Corning Corporation | Method of altering the surface of a solid synthetic polymer |
| FR2672049A1 (fr) * | 1991-01-30 | 1992-07-31 | Benzaria Jacques | Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee. |
| CH685003A5 (de) * | 1992-08-11 | 1995-02-28 | Buehler Ag | Verfahren zum kontinuierlichen Kristallisieren und Polymerisieren von Kunststoffmaterial und Vorrichtung hierfür. |
| US5328982A (en) * | 1992-11-02 | 1994-07-12 | Eastman Chemical Company | Depolymerization of substantially amorphous polyesters |
| DE4314345A1 (de) * | 1993-04-30 | 1994-11-17 | Reinhard Dr Unger | Verfahren und Vorrichtung zur Wiederaufbereitung von festem Polyestermaterial |
| US5580905A (en) * | 1994-04-28 | 1996-12-03 | United Resource Recovery Corporation | Process for recycling polyesters |
| US5395858A (en) * | 1994-04-28 | 1995-03-07 | Partek, Inc. | Process for recycling polyester |
| JP3476567B2 (ja) * | 1994-11-18 | 2003-12-10 | 富士写真フイルム株式会社 | 写真用ポリエステル支持体の回収方法 |
| US5532335A (en) * | 1995-04-26 | 1996-07-02 | Hosokawa Bepex Corporation | Method for thermally processing polyester pellets |
| US5958987A (en) * | 1996-04-10 | 1999-09-28 | The Coca-Cola Company | Process for separating polyester from other materials |
-
1998
- 1998-10-01 US US09/164,819 patent/US6147129A/en not_active Expired - Lifetime
-
1999
- 1999-09-30 CO CO99062032A patent/CO5100965A1/es unknown
- 1999-09-30 CZ CZ20010926A patent/CZ302482B6/cs not_active IP Right Cessation
- 1999-09-30 AT AT99950195T patent/ATE284430T1/de active
- 1999-09-30 AU AU62904/99A patent/AU760736B2/en not_active Ceased
- 1999-09-30 AR ARP990104967 patent/AR016739A1/es active IP Right Grant
- 1999-09-30 ZA ZA200102117A patent/ZA200102117B/en unknown
- 1999-09-30 ES ES99950195T patent/ES2234308T3/es not_active Expired - Lifetime
- 1999-09-30 NZ NZ510816A patent/NZ510816A/en not_active IP Right Cessation
- 1999-09-30 EP EP19990950195 patent/EP1124888B1/en not_active Expired - Lifetime
- 1999-09-30 CA CA 2343093 patent/CA2343093C/en not_active Expired - Fee Related
- 1999-09-30 JP JP2000572284A patent/JP4416950B2/ja not_active Expired - Fee Related
- 1999-09-30 WO PCT/US1999/023206 patent/WO2000018830A1/en active IP Right Grant
- 1999-09-30 DE DE1999622533 patent/DE69922533T2/de not_active Expired - Lifetime
- 1999-09-30 KR KR20017004216A patent/KR100635622B1/ko not_active IP Right Cessation
- 1999-09-30 BR BR9914198A patent/BR9914198A/pt not_active IP Right Cessation
- 1999-09-30 PT PT99950195T patent/PT1124888E/pt unknown
- 1999-09-30 CN CNB998116157A patent/CN1146624C/zh not_active Expired - Fee Related
-
2001
- 2001-03-29 NO NO20011606A patent/NO323692B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2343093A1 (en) | 2000-04-06 |
| CN1321174A (zh) | 2001-11-07 |
| DE69922533T2 (de) | 2005-12-22 |
| NO20011606D0 (no) | 2001-03-29 |
| CZ302482B6 (cs) | 2011-06-08 |
| ES2234308T3 (es) | 2005-06-16 |
| JP2002525409A (ja) | 2002-08-13 |
| CN1146624C (zh) | 2004-04-21 |
| EP1124888B1 (en) | 2004-12-08 |
| ATE284430T1 (de) | 2004-12-15 |
| CO5100965A1 (es) | 2001-11-27 |
| CA2343093C (en) | 2007-04-17 |
| AR016739A1 (es) | 2001-07-25 |
| NO323692B1 (no) | 2007-06-25 |
| NZ510816A (en) | 2003-09-26 |
| KR20010079974A (ko) | 2001-08-22 |
| BR9914198A (pt) | 2001-06-19 |
| WO2000018830A1 (en) | 2000-04-06 |
| DE69922533D1 (de) | 2005-01-13 |
| KR100635622B1 (ko) | 2006-10-18 |
| NO20011606L (no) | 2001-05-22 |
| CZ2001926A3 (cs) | 2001-11-14 |
| US6147129A (en) | 2000-11-14 |
| AU6290499A (en) | 2000-04-17 |
| EP1124888A1 (en) | 2001-08-22 |
| JP4416950B2 (ja) | 2010-02-17 |
| PT1124888E (pt) | 2005-02-28 |
| AU760736B2 (en) | 2003-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2343093C (en) | Method for cleaning and decontaminating polyesters | |
| US7897651B2 (en) | Method for depolymerizing polyester and unsaturated polyester, and method for recovering polyester monomer using the depolymerization | |
| US5958987A (en) | Process for separating polyester from other materials | |
| CA2164591C (en) | Process for recycling polyesters | |
| JP2006335856A (ja) | ポリエステルの解重合方法、その方法を用いたポリエステルモノマーの回収方法 | |
| US7070624B2 (en) | Process for separating polyester from other materials | |
| US7098299B1 (en) | Separation of contaminants from polyester materials | |
| US8304464B2 (en) | Polyester with caustic material mixing methods and mixing reactors | |
| US6723873B1 (en) | Production of terephthalic acid and ethylene glycol from polyethlene terephthalate by ammoniolysis | |
| MXPA01003251A (es) | Metodo para tratar poliesteres y, en particular, limpiar y descontaminar poliesteres | |
| CA2601201C (en) | Separation of contaminants from polyester materials | |
| US20030186159A1 (en) | Composition and process for recovering coated polyester materials | |
| CN116710509A (zh) | 聚酯的脱色方法和包括该方法的聚酯的解聚方法 | |
| MXPA95005329A (es) | Proceso para reciclar poliesteres |