BE773707A - PROCESS FOR PREPARING POLYCONDENSATES WITH HIGH MOLECULAR WEIGHT - Google Patents

PROCESS FOR PREPARING POLYCONDENSATES WITH HIGH MOLECULAR WEIGHT

Info

Publication number
BE773707A
BE773707A BE773707A BE773707A BE773707A BE 773707 A BE773707 A BE 773707A BE 773707 A BE773707 A BE 773707A BE 773707 A BE773707 A BE 773707A BE 773707 A BE773707 A BE 773707A
Authority
BE
Belgium
Prior art keywords
molecular weight
high molecular
polycondensates
preparing
preparing polycondensates
Prior art date
Application number
BE773707A
Other languages
French (fr)
Inventor
L Buxbaum
G Morawetz
Original Assignee
Sandoz Sa
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 Sandoz Sa filed Critical Sandoz Sa
Publication of BE773707A publication Critical patent/BE773707A/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
    • 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
    • C08G63/82—Preparation processes characterised by the catalyst used

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)
BE773707A 1970-10-23 1971-10-08 PROCESS FOR PREPARING POLYCONDENSATES WITH HIGH MOLECULAR WEIGHT BE773707A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT957370 1970-10-23
AT957270 1970-10-23

Publications (1)

Publication Number Publication Date
BE773707A true BE773707A (en) 1972-01-31

Family

ID=25605616

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773707A BE773707A (en) 1970-10-23 1971-10-08 PROCESS FOR PREPARING POLYCONDENSATES WITH HIGH MOLECULAR WEIGHT

Country Status (8)

Country Link
AU (1) AU3464371A (en)
BE (1) BE773707A (en)
CA (1) CA972897A (en)
DD (1) DD94895A5 (en)
DE (1) DE2152245A1 (en)
FR (1) FR2111783B1 (en)
GB (1) GB1371505A (en)
NL (1) NL7114553A (en)

Families Citing this family (5)

* 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
US4205157A (en) * 1979-04-02 1980-05-27 The Goodyear Tire & Rubber Company Method for production of high molecular weight polyester with low catalyst level and low carboxyl content
FR2830788B1 (en) * 2001-10-12 2006-09-22 Tergal Fibres METHOD FOR MANUFACTURING HOLLOW BODIES, HOLLOW BODIES, PREFORMS AND BOTTLES OBTAINED BY THIS PROCESS
DE102008058313A1 (en) 2008-11-21 2010-06-02 Astegger, Johann Josef Postcondensation of plastic granules
DE102011052185A1 (en) 2011-07-27 2013-01-31 Johann Josef Astegger reactor assembly

Also Published As

Publication number Publication date
FR2111783A1 (en) 1972-06-09
AU3464371A (en) 1973-04-19
NL7114553A (en) 1972-04-25
CA972897A (en) 1975-08-12
DD94895A5 (en) 1973-01-05
GB1371505A (en) 1974-10-23
DE2152245A1 (en) 1972-04-27
FR2111783B1 (en) 1975-07-18

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