DE1770410A1 - Verfahren zur Erhoehung des Molekulargewichts von Polyester - Google Patents
Verfahren zur Erhoehung des Molekulargewichts von PolyesterInfo
- Publication number
- DE1770410A1 DE1770410A1 DE19681770410 DE1770410A DE1770410A1 DE 1770410 A1 DE1770410 A1 DE 1770410A1 DE 19681770410 DE19681770410 DE 19681770410 DE 1770410 A DE1770410 A DE 1770410A DE 1770410 A1 DE1770410 A1 DE 1770410A1
- Authority
- DE
- Germany
- Prior art keywords
- stage
- inert gas
- temperature
- post
- polyester
- 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
- 238000000034 method Methods 0.000 title claims description 44
- 229920000728 polyester Polymers 0.000 title claims description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 51
- 239000011261 inert gas Substances 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 38
- 239000008187 granular material Substances 0.000 claims description 32
- 229910052757 nitrogen Inorganic materials 0.000 claims description 25
- 238000002425 crystallisation Methods 0.000 claims description 13
- 230000008025 crystallization Effects 0.000 claims description 13
- -1 polyethylene terephthalate Polymers 0.000 claims description 13
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 8
- 239000007790 solid phase Substances 0.000 claims description 8
- 238000007669 thermal treatment Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 description 30
- 239000007789 gas Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000002245 particle Substances 0.000 description 14
- 239000000047 product Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000011361 granulated particle Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 101150057388 Reln gene Proteins 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010915 one-step procedure Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681770410 DE1770410A1 (de) | 1968-05-14 | 1968-05-14 | Verfahren zur Erhoehung des Molekulargewichts von Polyester |
| BE732266D BE732266A (cg-RX-API-DMAC7.html) | 1968-05-14 | 1969-04-29 | |
| LU58522D LU58522A1 (cg-RX-API-DMAC7.html) | 1968-05-14 | 1969-04-29 | |
| AT433969A AT307743B (de) | 1968-05-14 | 1969-05-06 | Verfahren zur Erhöhung des Molekulargewichts eines Polyesters durch thermische Behandlung in fester Phase |
| ES367009A ES367009A1 (es) | 1968-05-14 | 1969-05-09 | Procedimiento para elevar el peso molecular de poliesteres. |
| NL6907328A NL6907328A (cg-RX-API-DMAC7.html) | 1968-05-14 | 1969-05-13 | |
| FR6915807A FR2008523A1 (cg-RX-API-DMAC7.html) | 1968-05-14 | 1969-05-14 | |
| GB24500/69A GB1262941A (en) | 1968-05-14 | 1969-05-14 | Process for increasing the molecular weight of polyethylene terephthalate |
| CH733769A CH521411A (de) | 1968-05-14 | 1969-05-14 | Verfahren zur Erhöhung des Molekulargewichts von Polyester |
| US00170281A US3756990A (en) | 1968-05-14 | 1971-08-09 | Late process for increasing the molecular weight of polyethylene terephtha |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681770410 DE1770410A1 (de) | 1968-05-14 | 1968-05-14 | Verfahren zur Erhoehung des Molekulargewichts von Polyester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1770410A1 true DE1770410A1 (de) | 1972-03-09 |
Family
ID=5700504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681770410 Pending DE1770410A1 (de) | 1968-05-14 | 1968-05-14 | Verfahren zur Erhoehung des Molekulargewichts von Polyester |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3756990A (cg-RX-API-DMAC7.html) |
| AT (1) | AT307743B (cg-RX-API-DMAC7.html) |
| BE (1) | BE732266A (cg-RX-API-DMAC7.html) |
| CH (1) | CH521411A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1770410A1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES367009A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2008523A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1262941A (cg-RX-API-DMAC7.html) |
| LU (1) | LU58522A1 (cg-RX-API-DMAC7.html) |
| NL (1) | NL6907328A (cg-RX-API-DMAC7.html) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723549A1 (de) * | 1977-05-25 | 1978-12-07 | Zimmer Ag | Vorrichtung und verfahren zur herstellung von thermoplastischen polyestern und polyamiden durch kontinuierliche polykondensation in fester phase |
| DE3213025A1 (de) * | 1982-04-02 | 1983-10-06 | Fischer Karl Ind Gmbh | Verfahren und vorrichtung zur nachkondensation von polykondensaten |
| EP0838488A1 (en) * | 1996-10-25 | 1998-04-29 | SINCO ENGINEERING S.p.A. | Process for the solid state polycondensation of polyamide resins |
| WO2002018470A3 (de) * | 2000-09-02 | 2002-06-27 | Zimmer Ag | Verfahren zum erhöhen des molekulargewichts eines polymergranulats |
| WO2010094807A1 (de) * | 2009-02-23 | 2010-08-26 | Bühler AG | Verfahren zur herstellung von polyesterpartikeln bei hohem durchsatz in einer linie |
| EP2433771B1 (de) | 2010-09-28 | 2016-12-21 | Uhde Inventa-Fischer GmbH | Verfahren zur Erhöhung des Molekulargewichts unter Nutzung der Restwärme von Polyestergranulat |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3969324A (en) | 1972-01-13 | 1976-07-13 | Monsanto Company | Continuous process for drying, crystallizing and solid state polymerizing polyesters |
| US3859042A (en) * | 1972-07-31 | 1975-01-07 | Allied Chem | Continuous jet pressure steaming of solid state polymerized polyester filaments with less than 22 meg/kg cooh and an intrinsic viscosity of at least .75 dl. |
| US4593077A (en) * | 1975-04-01 | 1986-06-03 | General Electric Company | Process of making a high melt viscosity block copolyester |
| US4069278A (en) * | 1975-04-01 | 1978-01-17 | General Electric Company | Process of making a high melt viscosity block co-polyester |
| 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 |
| US4263425A (en) * | 1977-08-10 | 1981-04-21 | Zimmer Aktiengesellschaft | Process for production of polyester polymer for food packing |
| ATE4026T1 (de) * | 1978-09-06 | 1983-07-15 | Imperial Chemical Industries Plc | Verfahren zur unterwerfung eines materiales an eine chemische reaktion oder an eine physikalische veraenderung in einem wirbelbett und das verwendete modifizierte wirbelbett. |
| US4226973A (en) * | 1979-06-22 | 1980-10-07 | Standard Oil Company (Indiana) | Process for upgrading prepolymer particles |
| US4246150A (en) * | 1979-09-17 | 1981-01-20 | American Hoechst Corporation | Lubricant for heat processing of vinyl chloride resins |
| CH656391A5 (de) * | 1982-04-21 | 1986-06-30 | Inventa Ag | Verfahren zur herstellung von hochmolekularen polyestern. |
| US4591629A (en) * | 1983-04-21 | 1986-05-27 | Ems-Inventa Ag | Process for the purification of high molecular weight polyesters |
| US4590259A (en) * | 1984-11-30 | 1986-05-20 | General Electric Company | High molecular weight linear polyesters and method for their preparation |
| US5408035A (en) * | 1991-10-16 | 1995-04-18 | Shell Oil Company | Solid state polymerization |
| CH684697A5 (de) * | 1993-01-21 | 1994-11-30 | Buehler Ag | Verfahren zum kontinuierlichen Kristallisieren und Polykondensieren von Polyestermaterial. |
| US5391355A (en) * | 1993-07-21 | 1995-02-21 | Eastman Chemical Company | Vessel for the treatment of particulate materials |
| US5738835A (en) * | 1994-08-31 | 1998-04-14 | Zimmer Aktiengesellschaft | Process for the purification of process gases by catalytic oxidation |
| DE4430938A1 (de) | 1994-08-31 | 1996-03-07 | Zimmer Ag | Verfahren zur Reinigung von Prozeßgasen durch katalytische Oxidation |
| US5937619A (en) * | 1996-12-04 | 1999-08-17 | Privatizer Systems Incorporated | Apparatus and method for sealing an envelope having a first lateral side and a second lateral side in a document security apparatus |
| DE19902458A1 (de) * | 1999-01-22 | 2000-07-27 | Buehler Ag | Vorrichtung und Verfahren zum Behandeln von Kunststoffmaterial |
| AU1370800A (en) | 1999-02-04 | 2000-08-25 | Buhler Ag | Process for upgrading plastic material |
-
1968
- 1968-05-14 DE DE19681770410 patent/DE1770410A1/de active Pending
-
1969
- 1969-04-29 LU LU58522D patent/LU58522A1/xx unknown
- 1969-04-29 BE BE732266D patent/BE732266A/xx unknown
- 1969-05-06 AT AT433969A patent/AT307743B/de not_active IP Right Cessation
- 1969-05-09 ES ES367009A patent/ES367009A1/es not_active Expired
- 1969-05-13 NL NL6907328A patent/NL6907328A/xx unknown
- 1969-05-14 CH CH733769A patent/CH521411A/de not_active IP Right Cessation
- 1969-05-14 FR FR6915807A patent/FR2008523A1/fr active Pending
- 1969-05-14 GB GB24500/69A patent/GB1262941A/en not_active Expired
-
1971
- 1971-08-09 US US00170281A patent/US3756990A/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723549A1 (de) * | 1977-05-25 | 1978-12-07 | Zimmer Ag | Vorrichtung und verfahren zur herstellung von thermoplastischen polyestern und polyamiden durch kontinuierliche polykondensation in fester phase |
| DE3213025A1 (de) * | 1982-04-02 | 1983-10-06 | Fischer Karl Ind Gmbh | Verfahren und vorrichtung zur nachkondensation von polykondensaten |
| EP0091566A1 (de) * | 1982-04-02 | 1983-10-19 | Karl Fischer Industrieanlagen Gmbh | Verfahren und Vorrichtung zur Nachkondensation von Polykondensaten |
| EP0838488A1 (en) * | 1996-10-25 | 1998-04-29 | SINCO ENGINEERING S.p.A. | Process for the solid state polycondensation of polyamide resins |
| US5859180A (en) * | 1996-10-25 | 1999-01-12 | Sinco Engineering S.P.A. | Process for the solid state polycondensation of polyamide resins |
| WO2002018470A3 (de) * | 2000-09-02 | 2002-06-27 | Zimmer Ag | Verfahren zum erhöhen des molekulargewichts eines polymergranulats |
| KR100723760B1 (ko) * | 2000-09-02 | 2007-05-30 | 짐머 악티엔게젤샤프트 | 중합체 과립의 분자량을 증가시키는 방법 |
| WO2010094807A1 (de) * | 2009-02-23 | 2010-08-26 | Bühler AG | Verfahren zur herstellung von polyesterpartikeln bei hohem durchsatz in einer linie |
| CN102325603A (zh) * | 2009-02-23 | 2012-01-18 | 布勒股份公司 | 在生产线上高产量地生产聚酯颗粒的方法 |
| CN102325603B (zh) * | 2009-02-23 | 2014-10-01 | 布勒热处理股份公司 | 在生产线上高产量地生产聚酯颗粒的方法 |
| EA024875B1 (ru) * | 2009-02-23 | 2016-10-31 | Бюлер Термаль Процессес Аг | Способ получения частиц сложного полиэфира при высокой производительности линии |
| EP2433771B1 (de) | 2010-09-28 | 2016-12-21 | Uhde Inventa-Fischer GmbH | Verfahren zur Erhöhung des Molekulargewichts unter Nutzung der Restwärme von Polyestergranulat |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1262941A (en) | 1972-02-09 |
| LU58522A1 (cg-RX-API-DMAC7.html) | 1969-07-29 |
| NL6907328A (cg-RX-API-DMAC7.html) | 1969-11-18 |
| AT307743B (de) | 1973-06-12 |
| CH521411A (de) | 1972-04-15 |
| ES367009A1 (es) | 1971-03-16 |
| BE732266A (cg-RX-API-DMAC7.html) | 1969-10-01 |
| FR2008523A1 (cg-RX-API-DMAC7.html) | 1970-01-23 |
| US3756990A (en) | 1973-09-04 |
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