ES367009A1 - Procedimiento para elevar el peso molecular de poliesteres. - Google Patents
Procedimiento para elevar el peso molecular de poliesteres.Info
- Publication number
- ES367009A1 ES367009A1 ES367009A ES367009A ES367009A1 ES 367009 A1 ES367009 A1 ES 367009A1 ES 367009 A ES367009 A ES 367009A ES 367009 A ES367009 A ES 367009A ES 367009 A1 ES367009 A1 ES 367009A1
- Authority
- ES
- Spain
- Prior art keywords
- inert gas
- stage
- molecular weight
- increasing
- solution viscosity
- 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
- 238000000034 method Methods 0.000 title abstract 2
- -1 polyethylene Polymers 0.000 title abstract 2
- 239000004698 Polyethylene Substances 0.000 title 1
- 229920000573 polyethylene Polymers 0.000 title 1
- 239000011261 inert gas Substances 0.000 abstract 4
- 239000008187 granular material Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000009833 condensation Methods 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 1
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 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)
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 |
|---|---|
| ES367009A1 true ES367009A1 (es) | 1971-03-16 |
Family
ID=5700504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES367009A Expired ES367009A1 (es) | 1968-05-14 | 1969-05-09 | Procedimiento para elevar el peso molecular de poliesteres. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3756990A (es) |
| AT (1) | AT307743B (es) |
| BE (1) | BE732266A (es) |
| CH (1) | CH521411A (es) |
| DE (1) | DE1770410A1 (es) |
| ES (1) | ES367009A1 (es) |
| FR (1) | FR2008523A1 (es) |
| GB (1) | GB1262941A (es) |
| LU (1) | LU58522A1 (es) |
| NL (1) | NL6907328A (es) |
Families Citing this family (26)
| 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. |
| US4069278A (en) * | 1975-04-01 | 1978-01-17 | General Electric Company | Process of making a high melt viscosity block co-polyester |
| US4593077A (en) * | 1975-04-01 | 1986-06-03 | General Electric Company | Process of making a high melt viscosity block copolyester |
| 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 |
| 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 |
| US4263425A (en) * | 1977-08-10 | 1981-04-21 | Zimmer Aktiengesellschaft | Process for production of polyester polymer for food packing |
| EP0009875B1 (en) * | 1978-09-06 | 1983-07-06 | Imperial Chemical Industries 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 |
| 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 |
| DE3213025C2 (de) * | 1982-04-02 | 1997-06-12 | Fischer Karl Ind Gmbh | Verfahren zur Nachkondensation von Polykondensaten |
| 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 |
| IT1286041B1 (it) * | 1996-10-25 | 1998-07-07 | Sinco Eng Spa | Procedimento per la policondensazione allo stato solido di resine poliammidiche |
| 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 |
| DE69935535T2 (de) | 1999-02-04 | 2007-07-05 | Bühler AG | Verfahren zur zustandsverbesserung von zum recycling bestimmtem kunststoff-material |
| DE10043277A1 (de) * | 2000-09-02 | 2002-03-14 | Zimmer Ag | Verfahren zum Erhöhen des Molekulargewichts eines Polymergranulats |
| DE102009009957A1 (de) * | 2009-02-23 | 2010-08-26 | Bühler AG | Verfahren zur Herstellung von Polyesterpartikeln bei hohem Durchsatz in einer Linie |
| ES2620134T3 (es) | 2010-09-28 | 2017-06-27 | Uhde Inventa-Fischer Gmbh | Procedimiento para incrementar el peso molecular usando el calor residual de poliéster granulado |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| AT307743B (de) | 1973-06-12 |
| BE732266A (es) | 1969-10-01 |
| FR2008523A1 (es) | 1970-01-23 |
| CH521411A (de) | 1972-04-15 |
| GB1262941A (en) | 1972-02-09 |
| DE1770410A1 (de) | 1972-03-09 |
| NL6907328A (es) | 1969-11-18 |
| LU58522A1 (es) | 1969-07-29 |
| US3756990A (en) | 1973-09-04 |
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