JPS5829207B2 - ポリエチレンテレフタレ−トの回収方法 - Google Patents
ポリエチレンテレフタレ−トの回収方法Info
- Publication number
- JPS5829207B2 JPS5829207B2 JP51099777A JP9977776A JPS5829207B2 JP S5829207 B2 JPS5829207 B2 JP S5829207B2 JP 51099777 A JP51099777 A JP 51099777A JP 9977776 A JP9977776 A JP 9977776A JP S5829207 B2 JPS5829207 B2 JP S5829207B2
- Authority
- JP
- Japan
- Prior art keywords
- petp
- solvent
- polyethylene terephthalate
- scrap
- temperature
- 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
- 229920000139 polyethylene terephthalate Polymers 0.000 title claims description 55
- 239000005020 polyethylene terephthalate Substances 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 31
- -1 polyethylene terephthalate Polymers 0.000 title claims description 9
- 238000011084 recovery Methods 0.000 title description 3
- 239000000843 powder Substances 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 16
- 239000002244 precipitate Substances 0.000 claims description 7
- 239000012046 mixed solvent Substances 0.000 claims description 6
- 239000000047 product Substances 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 150000008282 halocarbons Chemical group 0.000 claims description 3
- 239000011877 solvent mixture Substances 0.000 claims 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 44
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000000835 fiber Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 210000002268 wool Anatomy 0.000 description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005615 natural polymer Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- SJJIYNGUPRJNHA-UHFFFAOYSA-N chloroform;2,2,2-trichloroacetic acid Chemical compound ClC(Cl)Cl.OC(=O)C(Cl)(Cl)Cl SJJIYNGUPRJNHA-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012994 industrial processing Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 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
- C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
-
- 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
- C08G63/88—Post-polymerisation treatment
- C08G63/90—Purification; Drying
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/14—Powdering or granulating by precipitation from solutions
-
- 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
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18800375A DD124654A1 (nl) | 1975-08-25 | 1975-08-25 | |
| DD19221676A DD136620A2 (de) | 1976-04-06 | 1976-04-06 | Verfahren zum loesen von poly1ethylenterephthalat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5237986A JPS5237986A (en) | 1977-03-24 |
| JPS5829207B2 true JPS5829207B2 (ja) | 1983-06-21 |
Family
ID=25747553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51099777A Expired JPS5829207B2 (ja) | 1975-08-25 | 1976-08-23 | ポリエチレンテレフタレ−トの回収方法 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5829207B2 (nl) |
| CS (1) | CS192103B1 (nl) |
| DE (1) | DE2632031C2 (nl) |
| GB (1) | GB1548043A (nl) |
| NL (1) | NL7608104A (nl) |
| PL (1) | PL100623B1 (nl) |
| SU (1) | SU717089A1 (nl) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59169403A (ja) * | 1983-03-17 | 1984-09-25 | 三菱農機株式会社 | 湛水施肥直播機 |
| JPH0126173Y2 (nl) * | 1983-11-19 | 1989-08-04 | ||
| JPH0130973Y2 (nl) * | 1983-12-26 | 1989-09-22 | ||
| US11386715B2 (en) | 2019-03-14 | 2022-07-12 | Ricoh Company, Ltd. | Biometric apparatus, biometric system, biometric method, and non-transitory computer readable recording medium storing biometric program |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2940072A1 (de) * | 1979-10-03 | 1981-04-16 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von dispersionen aus hochmolekularen, kristallisierbaren polyestern |
| JPS6466021A (en) * | 1987-09-03 | 1989-03-13 | Wako Sangyo Kk | Reciprocating folding machine |
| DE4037523A1 (de) * | 1990-11-26 | 1992-05-27 | Johannes Prof Dr Gartzen | Verfahren und vorrichtung zur isolierung von polymeren werkstoffen und metallen aus verbundwerkstoffen |
| US6623564B2 (en) | 2000-02-22 | 2003-09-23 | Panac Industries, Inc. | Method of recovering synthetic substrates |
| WO2008107947A1 (ja) | 2007-03-01 | 2008-09-12 | Hamamatsu Photonics K.K. | 光検出装置、及び試料ホルダ用治具 |
| FR2998572B1 (fr) * | 2012-11-26 | 2015-12-11 | Valagro Carbone Renouvelable Poitou Charentes | Procede de recyclage et de valorisation des constituants des produits textiles |
| US9982066B2 (en) * | 2015-06-30 | 2018-05-29 | The Procter & Gamble Company | Method for purifying contaminated polymers |
| WO2017003799A1 (en) * | 2015-06-30 | 2017-01-05 | The Procter & Gamble Company | Method for purifying contaminated polymers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL95370C (nl) * | 1953-07-27 | |||
| US3701741A (en) * | 1971-02-01 | 1972-10-31 | Eastman Kodak Co | Purification of impure scrap poly(ethylene terephthalate) |
-
1976
- 1976-07-16 DE DE2632031A patent/DE2632031C2/de not_active Expired
- 1976-07-22 NL NL7608104A patent/NL7608104A/nl not_active Application Discontinuation
- 1976-08-10 SU SU762387303A patent/SU717089A1/ru active
- 1976-08-10 GB GB3324676A patent/GB1548043A/en not_active Expired
- 1976-08-23 JP JP51099777A patent/JPS5829207B2/ja not_active Expired
- 1976-08-23 PL PL1976191971A patent/PL100623B1/pl unknown
- 1976-08-25 CS CS552376A patent/CS192103B1/cs unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59169403A (ja) * | 1983-03-17 | 1984-09-25 | 三菱農機株式会社 | 湛水施肥直播機 |
| JPH0126173Y2 (nl) * | 1983-11-19 | 1989-08-04 | ||
| JPH0130973Y2 (nl) * | 1983-12-26 | 1989-09-22 | ||
| US11386715B2 (en) | 2019-03-14 | 2022-07-12 | Ricoh Company, Ltd. | Biometric apparatus, biometric system, biometric method, and non-transitory computer readable recording medium storing biometric program |
Also Published As
| Publication number | Publication date |
|---|---|
| SU717089A1 (ru) | 1980-02-25 |
| GB1548043A (en) | 1979-07-04 |
| JPS5237986A (en) | 1977-03-24 |
| CS192103B1 (en) | 1979-08-31 |
| NL7608104A (nl) | 1977-03-01 |
| DE2632031A1 (de) | 1977-03-10 |
| PL100623B1 (pl) | 1978-10-31 |
| DE2632031C2 (de) | 1987-01-08 |
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