IT1090221B - Procedimento continuo per produrre polibutlentereftalati e prodotti ottenuti - Google Patents
Procedimento continuo per produrre polibutlentereftalati e prodotti ottenutiInfo
- Publication number
- IT1090221B IT1090221B IT51064/77A IT5106477A IT1090221B IT 1090221 B IT1090221 B IT 1090221B IT 51064/77 A IT51064/77 A IT 51064/77A IT 5106477 A IT5106477 A IT 5106477A IT 1090221 B IT1090221 B IT 1090221B
- Authority
- IT
- Italy
- Prior art keywords
- polybutlenterephthalates
- producing
- products obtained
- continuous procedure
- procedure
- Prior art date
Links
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
- C08G63/785—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
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772719969 DE2719969A1 (de) | 1977-05-04 | 1977-05-04 | Kontinuierliches verfahren zur herstellung von polybutylenterephthalaten |
DE19772734924 DE2734924C2 (de) | 1977-08-03 | 1977-08-03 | Kontinuierliches Verfahren zur Herstellung von Polybutylenterephthalaten |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1090221B true IT1090221B (it) | 1985-06-26 |
Family
ID=25771971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51064/77A IT1090221B (it) | 1977-05-04 | 1977-09-19 | Procedimento continuo per produrre polibutlentereftalati e prodotti ottenuti |
Country Status (5)
Country | Link |
---|---|
US (1) | US4212963A (it) |
JP (1) | JPS53137296A (it) |
FR (1) | FR2389649B1 (it) |
GB (1) | GB1558910A (it) |
IT (1) | IT1090221B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5599900A (en) * | 1993-10-18 | 1997-02-04 | E. I. Du Pont De Nemours And Company | Polyesters production process |
US5434239A (en) * | 1993-10-18 | 1995-07-18 | E. I. Du Pont De Nemours And Company | Continuous polyester process |
US5811496A (en) * | 1995-12-21 | 1998-09-22 | E.I. Du Pont De Nemours And Company | Process for polymerization of polyester oligomers |
US5538343A (en) * | 1995-03-06 | 1996-07-23 | E. I. Du Pond De Nemours And Company | Apparatus and method for liquid mixing employing nip zones |
US5677415A (en) * | 1996-03-28 | 1997-10-14 | E. I. Du Pont De Nemours And Company | Apparatus and process for a polycondensation reaction |
US5856423A (en) * | 1996-12-23 | 1999-01-05 | E. I. Du Pont De Nemours And Company | Apparatus and process for a polycondensation reaction |
AUPP261498A0 (en) | 1998-03-27 | 1998-04-23 | Swig Pty Ltd | Improved conversion of contaminated polyethylene terephthalate to polybutylene terephthalate |
US6127493A (en) * | 1998-11-04 | 2000-10-03 | Arteva North America S.A.R.L. | Pressure polymerization of polyester |
US6906164B2 (en) * | 2000-12-07 | 2005-06-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
ES2540542T3 (es) * | 2000-12-07 | 2015-07-10 | Grupo Petrotemex, S.A. De C.V. | Procedimiento de poliéster de bajo coste que usa un reactor tubular |
US7135541B2 (en) | 2003-06-06 | 2006-11-14 | Eastman Chemical Company | Polyester process using a pipe reactor |
US7074879B2 (en) * | 2003-06-06 | 2006-07-11 | Eastman Chemical Company | Polyester process using a pipe reactor |
US7332548B2 (en) * | 2004-03-04 | 2008-02-19 | Eastman Chemical Company | Process for production of a polyester product from alkylene oxide and carboxylic acid |
US7943094B2 (en) | 2006-12-07 | 2011-05-17 | Grupo Petrotemex, S.A. De C.V. | Polyester production system employing horizontally elongated esterification vessel |
US7649109B2 (en) | 2006-12-07 | 2010-01-19 | Eastman Chemical Company | Polyester production system employing recirculation of hot alcohol to esterification zone |
US7863477B2 (en) * | 2007-03-08 | 2011-01-04 | Eastman Chemical Company | Polyester production system employing hot paste to esterification zone |
US7872089B2 (en) | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Multi-level tubular reactor with internal tray |
US7868130B2 (en) | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Multi-level tubular reactor with vertically spaced segments |
US7847053B2 (en) | 2007-07-12 | 2010-12-07 | Eastman Chemical Company | Multi-level tubular reactor with oppositely extending segments |
US7868129B2 (en) | 2007-07-12 | 2011-01-11 | Eastman Chemical Company | Sloped tubular reactor with spaced sequential trays |
US7829653B2 (en) | 2007-07-12 | 2010-11-09 | Eastman Chemical Company | Horizontal trayed reactor |
US7858730B2 (en) | 2007-07-12 | 2010-12-28 | Eastman Chemical Company | Multi-level tubular reactor with dual headers |
US7872090B2 (en) | 2007-07-12 | 2011-01-18 | Eastman Chemical Company | Reactor system with optimized heating and phase separation |
US7842777B2 (en) | 2007-07-12 | 2010-11-30 | Eastman Chemical Company | Sloped tubular reactor with divided flow |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1025142B (de) * | 1952-07-24 | 1958-02-27 | Thueringisches Kunstfaserwerk | Verfahren und Vorrichtung zur Beschleunigung der Bildung von hochpolymeren Estern |
DE1667051B2 (de) * | 1967-09-04 | 1976-09-23 | Bayer Ag, 5090 Leverkusen | Verfahren und vorrichtung zum eindampfen von insbesondere viskosen fluessigkeiten und zum ausdampfen der bei reaktionen entstehenden produkte |
FR1580834A (it) * | 1968-01-04 | 1969-09-12 | ||
US3834441A (en) * | 1969-04-25 | 1974-09-10 | Bayer Ag | Process for concentrating polymer solutions by evaporation |
CH507736A (de) * | 1969-07-14 | 1971-05-31 | Wiegand App Bau Gmbh | Verfahren zur Bildung eines ringförmigen Flüssigkeitsstromes, der entlang einer Kanalwand verläuft, und Vorrichtung zur Durchführung des Verfahrens |
DE2045914B2 (de) * | 1970-09-17 | 1975-11-27 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von linearen, hochmolekularen Polyestern |
US3953404A (en) * | 1974-02-07 | 1976-04-27 | General Electric Company | Solid state polymerization of poly(1,4-butylene terephthalate) |
DE2514116C3 (de) * | 1975-03-29 | 1983-03-17 | Basf Ag, 6700 Ludwigshafen | Verfahren zur kontinuierlichen Herstellung von linearen, hochmolekularen Polybutylenterephthalaten |
DE2719956C2 (de) * | 1977-05-04 | 1982-12-02 | Bayer Ag, 5090 Leverkusen | Vorrichtung zum Mischen, Reagieren und Ausdampfen |
DE2719967A1 (de) * | 1977-05-04 | 1978-11-09 | Bayer Ag | Kontinuierliches verfahren zur durchfuehrung von stofftransportbedingten reaktionen |
DE2719970A1 (de) * | 1977-05-04 | 1978-11-16 | Bayer Ag | Verfahren zur herstellung von polyisocyanat-polyadditionsprodukten |
-
1977
- 1977-09-02 GB GB36769/77A patent/GB1558910A/en not_active Expired
- 1977-09-19 IT IT51064/77A patent/IT1090221B/it active
- 1977-10-24 FR FR7731974A patent/FR2389649B1/fr not_active Expired
- 1977-10-31 JP JP12982977A patent/JPS53137296A/ja active Pending
-
1978
- 1978-12-13 US US05/968,892 patent/US4212963A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4212963A (en) | 1980-07-15 |
FR2389649B1 (it) | 1984-07-20 |
JPS53137296A (en) | 1978-11-30 |
FR2389649A1 (it) | 1978-12-01 |
GB1558910A (en) | 1980-01-09 |
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