AT292316B - Process for the production of high molecular weight polyesters by condensation of the low molecular weight polyesters in the solid phase - Google Patents

Process for the production of high molecular weight polyesters by condensation of the low molecular weight polyesters in the solid phase

Info

Publication number
AT292316B
AT292316B AT984169A AT984169A AT292316B AT 292316 B AT292316 B AT 292316B AT 984169 A AT984169 A AT 984169A AT 984169 A AT984169 A AT 984169A AT 292316 B AT292316 B AT 292316B
Authority
AT
Austria
Prior art keywords
molecular weight
weight polyesters
condensation
production
solid phase
Prior art date
Application number
AT984169A
Other languages
German (de)
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AT292316B publication Critical patent/AT292316B/en

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)
AT984169A 1968-10-19 1969-10-17 Process for the production of high molecular weight polyesters by condensation of the low molecular weight polyesters in the solid phase AT292316B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681804119 DE1804119A1 (en) 1968-10-19 1968-10-19 Process for the production of high molecular weight polyesters

Publications (1)

Publication Number Publication Date
AT292316B true AT292316B (en) 1971-08-25

Family

ID=5711000

Family Applications (1)

Application Number Title Priority Date Filing Date
AT984169A AT292316B (en) 1968-10-19 1969-10-17 Process for the production of high molecular weight polyesters by condensation of the low molecular weight polyesters in the solid phase

Country Status (6)

Country Link
AT (1) AT292316B (en)
BE (1) BE740520A (en)
DE (1) DE1804119A1 (en)
FR (1) FR2021090A1 (en)
GB (1) GB1246064A (en)
NL (1) NL6915226A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161578A (en) * 1978-05-12 1979-07-17 Bepex Corporation Process for solid phase polymerization of polyester
CH656391A5 (en) * 1982-04-21 1986-06-30 Inventa Ag METHOD FOR PRODUCING HIGH MOLECULAR POLYESTERS.
US5497562A (en) * 1995-03-03 1996-03-12 Hosokawa Bepex Corporation Radiant heater system for solid phase crystallization and polymerization of polymers

Also Published As

Publication number Publication date
FR2021090A1 (en) 1970-07-17
DE1804119A1 (en) 1970-06-11
GB1246064A (en) 1971-09-15
NL6915226A (en) 1970-04-21
BE740520A (en) 1970-04-20

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee