IT1188199B - Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere - Google Patents

Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere

Info

Publication number
IT1188199B
IT1188199B IT22851/85A IT2285185A IT1188199B IT 1188199 B IT1188199 B IT 1188199B IT 22851/85 A IT22851/85 A IT 22851/85A IT 2285185 A IT2285185 A IT 2285185A IT 1188199 B IT1188199 B IT 1188199B
Authority
IT
Italy
Prior art keywords
gas flow
stage
molecular weight
high molecular
inert gas
Prior art date
Application number
IT22851/85A
Other languages
English (en)
Other versions
IT8522851A0 (it
Inventor
Ali Hussain
Ghatta Kashefal
Original Assignee
Cobarr Spa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cobarr Spa filed Critical Cobarr Spa
Priority to IT22851/85A priority Critical patent/IT1188199B/it
Publication of IT8522851A0 publication Critical patent/IT8522851A0/it
Priority to EP86830340A priority patent/EP0222714B1/en
Priority to DE8686830340T priority patent/DE3684100D1/de
Priority to AT86830340T priority patent/ATE73151T1/de
Priority to IL80626A priority patent/IL80626A/xx
Priority to AT0305386A priority patent/AT395013B/de
Priority to IN893/MAS/86A priority patent/IN168648B/en
Priority to TR87/0113A priority patent/TR24455A/xx
Application granted granted Critical
Publication of IT1188199B publication Critical patent/IT1188199B/it

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
    • C08G63/80—Solid-state polycondensation
IT22851/85A 1985-11-15 1985-11-15 Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere IT1188199B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT22851/85A IT1188199B (it) 1985-11-15 1985-11-15 Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere
EP86830340A EP0222714B1 (en) 1985-11-15 1986-11-11 Process for the production of high molecular weight polyester
DE8686830340T DE3684100D1 (de) 1985-11-15 1986-11-11 Verfahren zur herstellung von hochmolekularem polyester.
AT86830340T ATE73151T1 (de) 1985-11-15 1986-11-11 Verfahren zur herstellung von hochmolekularem polyester.
IL80626A IL80626A (en) 1985-11-15 1986-11-13 Process for the production of high molecular weight polyester
AT0305386A AT395013B (de) 1985-11-15 1986-11-17 Verfahren zur kontinuierlichen herstellung von hochmolekularen polyesterharzen
IN893/MAS/86A IN168648B (it) 1985-11-15 1986-11-18
TR87/0113A TR24455A (tr) 1985-11-15 1987-02-18 Yueksek molekuel agirlikli poliesteril istihsali icin usul

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22851/85A IT1188199B (it) 1985-11-15 1985-11-15 Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere

Publications (2)

Publication Number Publication Date
IT8522851A0 IT8522851A0 (it) 1985-11-15
IT1188199B true IT1188199B (it) 1988-01-07

Family

ID=11201161

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22851/85A IT1188199B (it) 1985-11-15 1985-11-15 Procedimento per la produzione di poliestere ad elevato peso molecolare ed a basso contenuto di gruppo vinilestere

Country Status (7)

Country Link
EP (1) EP0222714B1 (it)
AT (2) ATE73151T1 (it)
DE (1) DE3684100D1 (it)
IL (1) IL80626A (it)
IN (1) IN168648B (it)
IT (1) IT1188199B (it)
TR (1) TR24455A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352611A (en) * 1992-06-01 1994-10-04 The Coca-Cola Company Method and system for sampling and determining the presence of compounds in containers
IT1265166B1 (it) * 1993-07-16 1996-10-31 Sinco Eng Spa Procedimento per la purificazione di gas inerti
IT1272916B (it) * 1995-01-20 1997-07-01 M & G Ricerche Spa Procedimento per la purificazione di gas inerti di ricilo da reattori di policondensazione allo stato solido di resine poliestere
US5612011A (en) * 1993-07-16 1997-03-18 Sinco Engineering S.P.A. Process for the purification of inert gases
DE4430938A1 (de) 1994-08-31 1996-03-07 Zimmer Ag Verfahren zur Reinigung von Prozeßgasen durch katalytische Oxidation
IT1271293B (it) * 1994-12-16 1997-05-27 M & G Ricerche Spa Procedimento per la policondensazione allo stato solido di resine poliestere
DE19681433T1 (de) * 1995-06-06 1998-05-07 Univ North Carolina Verfahren für die Herstellung von Polyester in Kohlendioxid
IT1275478B (it) 1995-07-05 1997-08-07 M & G Ricerche Spa Resine poliestere aventi migliorate proprieta'
US6288202B1 (en) 1997-04-11 2001-09-11 The University Of North Carolina At Chapel Hill Synthesis of polycarbonates using Co2
US6048957A (en) * 1997-05-01 2000-04-11 Eastman Chemical Company Process for polyesters with improved properties
CN1390243A (zh) 1999-10-27 2003-01-08 可口可乐公司 降低装在聚酯基包装物中饮料的乙醛和氧气的过程
DE10043277A1 (de) * 2000-09-02 2002-03-14 Zimmer Ag Verfahren zum Erhöhen des Molekulargewichts eines Polymergranulats
DE10158793A1 (de) 2001-11-30 2003-06-26 Zimmer Ag Verfahren und Vorrichtung zur Herstellung von hochkondensierten Polyestern in der festen Phase
US6749821B1 (en) 2001-12-03 2004-06-15 Uop Llc Process for the purification of inert gases
DE102004010680A1 (de) 2004-03-04 2005-10-06 Zimmer Ag Verfahren zur Herstellung von hochkondensierten Polyestern in der festen Phase
DE102005016146A1 (de) * 2004-08-25 2006-03-02 Bühler AG Herstellung eines hochmolekularen Polykondensates
DE102004041370A1 (de) * 2004-08-25 2006-03-02 Bühler AG Festphasen-Polykondensation von Polyester mit Prozessgas-Reinigung
DE102006027176B4 (de) 2005-08-26 2015-08-06 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Verringerung des Acetaldehydgehaltes von Polyestergranulat sowie Polyestergranulat
DE102006012587B4 (de) 2006-03-16 2015-10-29 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Kristallisation von Polyestermaterial
GB0817109D0 (en) 2008-09-18 2008-10-29 Johnson Matthey Plc Catalyst and process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2559290B2 (de) * 1975-12-31 1979-08-02 Davy International Ag, 6000 Frankfurt Verfahren zur kontinuierlichen Herstellung von hochmolekularem PoIyäthylenterephthalat
JPS5373288A (en) * 1976-12-13 1978-06-29 Teijin Ltd Preparation of polyester pellets
US4161578A (en) * 1978-05-12 1979-07-17 Bepex Corporation Process for solid phase polymerization of polyester

Also Published As

Publication number Publication date
ATA305386A (de) 1992-01-15
EP0222714A3 (en) 1988-09-07
ATE73151T1 (de) 1992-03-15
TR24455A (tr) 1991-10-10
AT395013B (de) 1992-08-25
EP0222714B1 (en) 1992-03-04
IT8522851A0 (it) 1985-11-15
DE3684100D1 (de) 1992-04-09
IL80626A (en) 1991-01-31
IN168648B (it) 1991-05-11
EP0222714A2 (en) 1987-05-20
IL80626A0 (en) 1987-02-27

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971129