JPS58180527A - 重縮合物の後縮合方法および装置 - Google Patents
重縮合物の後縮合方法および装置Info
- Publication number
- JPS58180527A JPS58180527A JP58055335A JP5533583A JPS58180527A JP S58180527 A JPS58180527 A JP S58180527A JP 58055335 A JP58055335 A JP 58055335A JP 5533583 A JP5533583 A JP 5533583A JP S58180527 A JPS58180527 A JP S58180527A
- Authority
- JP
- Japan
- Prior art keywords
- reactor
- gas
- post
- condensing
- granules
- 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.)
- Pending
Links
- 238000009833 condensation Methods 0.000 title claims description 13
- 239000007789 gas Substances 0.000 claims description 57
- 239000008187 granular material Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- -1 polyester Chemical class 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000012495 reaction gas Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 4
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000007769 metal material Substances 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000006068 polycondensation reaction Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000005054 agglomeration Methods 0.000 description 5
- 230000002776 aggregation Effects 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 235000005940 Centaurea cyanus Nutrition 0.000 description 1
- 240000004385 Centaurea cyanus Species 0.000 description 1
- 241000257465 Echinoidea Species 0.000 description 1
- 206010028813 Nausea Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008693 nausea Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000004184 polymer manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
-
- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
- B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
-
- 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
- B29B9/16—Auxiliary treatment of granules
-
- 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
- C08G63/785—Preparation processes characterised by the apparatus used
-
- 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
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/165—Crystallizing granules
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0063—After-treatment of articles without altering their shape; Apparatus therefor for changing crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyesters Or Polycarbonates (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Polyamides (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3213025A DE3213025C2 (de) | 1982-04-02 | 1982-04-02 | Verfahren zur Nachkondensation von Polykondensaten |
| DE32130252 | 1982-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58180527A true JPS58180527A (ja) | 1983-10-22 |
Family
ID=6160498
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58055335A Pending JPS58180527A (ja) | 1982-04-02 | 1983-04-01 | 重縮合物の後縮合方法および装置 |
| JP1991056808U Pending JPH0489529U (enExample) | 1982-04-02 | 1991-06-26 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991056808U Pending JPH0489529U (enExample) | 1982-04-02 | 1991-06-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4584366A (enExample) |
| EP (1) | EP0091566B1 (enExample) |
| JP (2) | JPS58180527A (enExample) |
| DE (1) | DE3213025C2 (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348425A (ja) * | 2000-06-08 | 2001-12-18 | Toyobo Co Ltd | ポリエステルの乾燥方法 |
| JP2003507507A (ja) * | 1999-08-18 | 2003-02-25 | ビューラー アクチェンゲゼルシャフト | 結晶性プラスチック材料の製法及び製造装置 |
| JP2004521982A (ja) * | 2001-02-26 | 2004-07-22 | ビューラー・アクチエンゲゼルシャフト | 固相のポリエステル材料を連続的に重縮合するための方法および装置 |
| JP2004277723A (ja) * | 2003-02-28 | 2004-10-07 | Mitsubishi Chemicals Corp | ポリエステル樹脂粉体の製造方法およびポリエステルプリフォームの製造方法ならびにポリエステル樹脂粉体の熱処理用装置 |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3338294A1 (de) * | 1983-10-21 | 1985-05-02 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von trockenem polycaprolactamgranulat |
| DE3407492A1 (de) * | 1984-03-01 | 1985-09-05 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von copolyamiden aus adipinsaeure, terephthalsaeure und hexamethylendiamin |
| DE3506656A1 (de) * | 1985-02-26 | 1986-08-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von copolyamiden aus aromatischen dicarbonsaeuren, adipinsaeure und hexamethylendiamin |
| US4839969A (en) * | 1988-02-26 | 1989-06-20 | Permian Research Corporation | Drying method and apparatus |
| US4792573A (en) * | 1988-04-01 | 1988-12-20 | The Goodyear Tire & Rubber Company | Preparation of ultra-high molecular weight polyester |
| EP0379684B1 (de) * | 1988-12-23 | 1993-10-27 | Bühler Ag | Verfahren und Vorrichtung zum kontinuierlichen Kristallisieren von Polyestermaterial |
| US4963644A (en) * | 1989-09-18 | 1990-10-16 | The Goodyear Tire & Rubber Company | Process for crystallization of polyethylene naphthalate |
| EP0597155B1 (de) * | 1992-11-13 | 1997-05-07 | Karl Fischer Industrieanlagen Gmbh | Verfahren und Vorrichtung zum kontinuierlichen Kristallisieren von Kunststoffgranulat |
| US5558678A (en) * | 1992-11-13 | 1996-09-24 | Karl Fischer Industrieanlagen Gmbh | Process and apparatus for continuous crystallization of plastic granules |
| CH684697A5 (de) * | 1993-01-21 | 1994-11-30 | Buehler Ag | Verfahren zum kontinuierlichen Kristallisieren und Polykondensieren von Polyestermaterial. |
| DE19500383C2 (de) * | 1995-01-09 | 2001-10-18 | Buehler Ag | Vorrichtung zum kontinuierlichen Kristallisieren von Polyestermaterial |
| DE19506407B4 (de) * | 1995-02-23 | 2006-08-10 | Karl-Heinz Wiltzer | Verfahren und Vorrichtung zur Herstellung von hochviskosen oder hochstabilisierten, reaktionsstabilen Polyamiden und zur kontinuierlichen Entmonomerisierung von Polyamiden |
| DE19709517A1 (de) | 1997-03-10 | 1998-09-17 | Hoechst Trevira Gmbh & Co Kg | Vorrichtung zur Kristallisation von Polymergranulaten sowie Verfahren zur Kristallisation von Polymergranulaten |
| US6287693B1 (en) | 1998-02-25 | 2001-09-11 | John Claude Savoir | Stable shaped particles of crystalline organic compounds |
| DE19902458A1 (de) * | 1999-01-22 | 2000-07-27 | Buehler Ag | Vorrichtung und Verfahren zum Behandeln von Kunststoffmaterial |
| DE19957664A1 (de) * | 1999-11-30 | 2001-05-31 | Basf Ag | Vorrichtung zum Trocknen und thermischen Behandeln von Granulat mit einem Inertgasstrom |
| DE10049263A1 (de) * | 2000-09-28 | 2002-04-11 | Buehler Ag | Verfahren und Vorrichtung zur thermischen Nachbehandlung von polymerem Kunststoffmaterial in Granulatform |
| DE10158793A1 (de) * | 2001-11-30 | 2003-06-26 | Zimmer Ag | Verfahren und Vorrichtung zur Herstellung von hochkondensierten Polyestern in der festen Phase |
| US20050167876A1 (en) * | 2002-10-04 | 2005-08-04 | Jan-Udo Kreyenborg | Method for granulating plastics |
| DE10314991A1 (de) * | 2003-04-02 | 2004-11-11 | Zimmer Ag | Verfahren zur Erhöhung des Molekulargewichts eines Polymergranulats |
| DE102004010680A1 (de) * | 2004-03-04 | 2005-10-06 | Zimmer Ag | Verfahren zur Herstellung von hochkondensierten Polyestern in der festen Phase |
| DE102006012587B4 (de) * | 2006-03-16 | 2015-10-29 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Kristallisation von Polyestermaterial |
| DE102006058642A1 (de) * | 2006-12-11 | 2008-06-12 | Bühler AG | Verfahren zur Herstellung homogen kristallisierter Polykondensatgranulate |
| DE102008028522A1 (de) * | 2008-06-16 | 2009-12-17 | Diemer & Dr. Jaspert GbR (vertretungsberechtigter Gesellschafter: Herrn Dr. Bodo F. Jaspert, 85630 Grasbrunn) | Verfahren und Vorrichtung zum Trocknen von Kunststoffgranulat |
| ITTV20090051A1 (it) * | 2009-03-20 | 2010-09-21 | M S M Snc Di Masiero G Semenzat O L E Masiero | Apparecchiatura e procedimento per la cristallizzazione e deumidificazione di materie plastiche poliesteri. |
| ITTV20110050A1 (it) * | 2011-04-13 | 2012-10-14 | Smc Technology Srl | Apparecchiatura essiccatore, deumidificatore, a sviluppo verticale del tipo a microonde per l essiccazione rapida e continua di materiale plastico in granuli, pellet o scaglie per l alimentazione d un impianto di stampaggio ad iniezione od estrusione |
| DE102015214767A1 (de) * | 2015-08-03 | 2017-02-09 | Thyssenkrupp Ag | Verfahren zur Trocknung von Kunststoffgranulat mit Gas im Gegenstrom |
| CN112358611B (zh) * | 2020-11-02 | 2022-07-12 | 万华化学集团股份有限公司 | 一种半芳香耐高温尼龙粉末的制备方法及其应用 |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US476891A (en) * | 1892-06-14 | Process of and apparatus for evaporating sugar solutions | ||
| FR656642A (fr) * | 1927-08-25 | 1929-05-10 | Ig Farbenindustrie Ag | Dispositif et procédé pour la production de cristaux en gros grains égaux, notamment de sels fertilisants |
| NL128628C (enExample) * | 1963-07-22 | 1900-01-01 | ||
| US3493553A (en) * | 1966-01-28 | 1970-02-03 | Phillips Petroleum Co | Process for recovering normally solid thermoplastic polymers from solution |
| US3547890A (en) * | 1967-08-23 | 1970-12-15 | Teijin Ltd | Process and apparatus for drying polyester particles |
| US3544525A (en) * | 1968-03-26 | 1970-12-01 | Allied Chem | Process for crystallization,drying and solid-state polymerization of polyesters |
| DE1770410A1 (de) * | 1968-05-14 | 1972-03-09 | Glanzstoff Ag | Verfahren zur Erhoehung des Molekulargewichts von Polyester |
| CH535928A (de) * | 1969-05-29 | 1973-04-15 | Schwarza Chemiefaser | Verfahren und Vorrichtung zum Trocknen von Granulaten aus synthetischen linearen Hoch-polymeren, insbesondere von Polyestergranulaten |
| US3960817A (en) * | 1970-10-23 | 1976-06-01 | Ciba-Geigy Ag | Solid phase polyester polycondensation |
| US3821171A (en) * | 1971-07-01 | 1974-06-28 | Du Pont | Continuous,solid-phase polymerization of polyamide granules |
| US3804811A (en) * | 1972-04-12 | 1974-04-16 | Horizons Inc | Shaped articles from reconstituted polyester |
| US4168373A (en) * | 1975-11-24 | 1979-09-18 | Borden, Inc. | Removal of residual vinyl chloride monomer from polyvinyl chloride latex |
| DE2558730C3 (de) * | 1975-12-24 | 1982-04-22 | Hoechst Ag, 6000 Frankfurt | Verfahren zum Kristallisieren und Trocknen von Polyethylenterephthalat und Vorrichtung zur Durchführung des Verfahrens |
| DE2559290B2 (de) * | 1975-12-31 | 1979-08-02 | Davy International Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Herstellung von hochmolekularem PoIyäthylenterephthalat |
| JPS52130884A (en) * | 1976-04-26 | 1977-11-02 | Sumitomo Chem Co Ltd | Apparatus for eliminating unreacted monomers |
| DE2642102C3 (de) * | 1976-09-18 | 1984-10-04 | Bühler-Miag GmbH, 3300 Braunschweig | Vorrichtung zum Kristallisieren von Kunststoffgranulat |
| DE2723549C2 (de) * | 1977-05-25 | 1983-01-05 | Davy McKee AG, 6000 Frankfurt | Verfahren zur Herstellung von thermoplastischen Polyestern und Polyamiden durch kontinuierliche Polykondensation in fester Phase |
| MX151032A (es) * | 1977-08-10 | 1984-09-12 | Davy International Ag | Procedimiento mejorado para reducir el contenido de acetaldehido en plasticos de tereftalato de polietileno empleados para el empaque o embotellado de alimentos |
| DE2965823D1 (en) * | 1978-09-06 | 1983-08-11 | Ici Plc | Process for subjecting a material to a chemical reaction or to a physical change in a fluidised bed, and the modified fluidised bed used |
| US4205157A (en) * | 1979-04-02 | 1980-05-27 | The Goodyear Tire & Rubber Company | Method for production of high molecular weight polyester with low catalyst level and low carboxyl content |
| US4230819A (en) * | 1979-04-13 | 1980-10-28 | The Goodyear Tire & Rubber Company | Eliminating acetaldehyde from crystalline polyethylene terephthalate resin |
| US4226973A (en) * | 1979-06-22 | 1980-10-07 | Standard Oil Company (Indiana) | Process for upgrading prepolymer particles |
| US4276261A (en) * | 1979-07-16 | 1981-06-30 | The Goodyear Tire & Rubber Company | Polymerization apparatus and process |
| US4271287A (en) * | 1979-09-28 | 1981-06-02 | Rohm And Haas Company | Process for the continuous polymerization of polyethylene terephthalate in the solid phase |
| FR2482971A1 (fr) * | 1980-05-20 | 1981-11-27 | Rhone Poulenc Ind | Polyesters pour emballages a usage alimentaire et leur procede d'obtention |
| US4374975A (en) * | 1982-02-02 | 1983-02-22 | The Goodyear Tire & Rubber Company | Process for the production of high molecular weight polyester |
| US4446303A (en) * | 1983-07-26 | 1984-05-01 | Eastman Kodak Company | Process for preparing high molecular weight polyesters |
-
1982
- 1982-04-02 DE DE3213025A patent/DE3213025C2/de not_active Expired - Fee Related
-
1983
- 1983-03-12 EP EP83102468A patent/EP0091566B1/de not_active Expired
- 1983-04-01 JP JP58055335A patent/JPS58180527A/ja active Pending
-
1984
- 1984-12-20 US US06/683,963 patent/US4584366A/en not_active Expired - Fee Related
-
1991
- 1991-06-26 JP JP1991056808U patent/JPH0489529U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003507507A (ja) * | 1999-08-18 | 2003-02-25 | ビューラー アクチェンゲゼルシャフト | 結晶性プラスチック材料の製法及び製造装置 |
| JP2001348425A (ja) * | 2000-06-08 | 2001-12-18 | Toyobo Co Ltd | ポリエステルの乾燥方法 |
| JP2004521982A (ja) * | 2001-02-26 | 2004-07-22 | ビューラー・アクチエンゲゼルシャフト | 固相のポリエステル材料を連続的に重縮合するための方法および装置 |
| JP2004277723A (ja) * | 2003-02-28 | 2004-10-07 | Mitsubishi Chemicals Corp | ポリエステル樹脂粉体の製造方法およびポリエステルプリフォームの製造方法ならびにポリエステル樹脂粉体の熱処理用装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0091566B1 (de) | 1987-08-19 |
| JPH0489529U (enExample) | 1992-08-05 |
| US4584366A (en) | 1986-04-22 |
| DE3213025C2 (de) | 1997-06-12 |
| DE3213025A1 (de) | 1983-10-06 |
| EP0091566A1 (de) | 1983-10-19 |
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