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
Application number
ES367009A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glanzstoff AG
Original Assignee
Glanzstoff AG
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 Glanzstoff AG filed Critical Glanzstoff AG
Publication of ES367009A1 publication Critical patent/ES367009A1/es
Expired legal-status Critical Current

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

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)
ES367009A 1968-05-14 1969-05-09 Procedimiento para elevar el peso molecular de poliesteres. Expired ES367009A1 (es)

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 (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
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
DE4430938A1 (de) 1994-08-31 1996-03-07 Zimmer Ag Verfahren zur Reinigung von Prozeßgasen durch katalytische Oxidation
US5738835A (en) * 1994-08-31 1998-04-14 Zimmer Aktiengesellschaft Process for the purification of process gases by catalytic 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
ATE356705T1 (de) 1999-02-04 2007-04-15 Buehler 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
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
DE1770410A1 (de) 1972-03-09
LU58522A1 (es) 1969-07-29
FR2008523A1 (es) 1970-01-23
AT307743B (de) 1973-06-12
US3756990A (en) 1973-09-04
CH521411A (de) 1972-04-15
GB1262941A (en) 1972-02-09
NL6907328A (es) 1969-11-18
BE732266A (es) 1969-10-01

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