BE773707A - Procede de preparation de polycondensats a poids moleculaire eleve - Google Patents

Procede de preparation de polycondensats a poids moleculaire eleve

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
English (en)
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/fr

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 Procede de preparation de polycondensats a poids moleculaire eleve BE773707A (fr)

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 (fr) 1972-01-31

Family

ID=25605616

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773707A BE773707A (fr) 1970-10-23 1971-10-08 Procede de preparation de polycondensats a poids moleculaire eleve

Country Status (8)

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

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 (fr) * 2001-10-12 2006-09-22 Tergal Fibres Procede de fabrication de corps creux, corps creux, preformes et bouteilles obtenus par ce procede
DE102008058313A1 (de) 2008-11-21 2010-06-02 Astegger, Johann Josef Nachkondensieren von Kunststoffgranulat
DE102011052185A1 (de) 2011-07-27 2013-01-31 Johann Josef Astegger Reaktoranordnung

Also Published As

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

Similar Documents

Publication Publication Date Title
CH550814A (fr) Procede de preparation de nouvelles aza-8 purinones-6 substituees en 2.
NO139364C (no) Kjoeretoeyvekt.
BE778047A (fr) Procede de preparation continue de polycarbonates lineaires de poids moleculaire eleve
SE435713B (sv) Forfarande for framstellning av 1,3-bensoxazoler
BE805146A (fr) Procede de preparation de polyisocyanantes de poids moleculaire eleve
BE799408A (fr) Procede de preparation de polyurethannes de poids moleculaire controle,
SE384505B (sv) Forfarande for framstellning av 2,4-diamino-5-bensylpyrimidinderivat
CH552626A (fr) Procede de preparation d'ureido-cephalosporines heterocycliques.
BE787928A (fr) Procede ameliore de preparation de polyamides a poids moleculaire elev
BE766264A (fr) Procede de preparation de 1,2-benzisothiazoline-3-ones
BE744511A (fr) Procede de preparation de polyesters lineaires a poids moleculaires eleves
BE758116A (fr) Compose a poids moleculaire eleve et son procede de preparation
FI54131C (fi) Foerfarande foer framstaellning av 1,3-hydroxiderivat av 8alfa-oestratriener vilka laempar sig foer behandling av oestrogenbrist
BE773707A (fr) Procede de preparation de polycondensats a poids moleculaire eleve
BE765525A (fr) Procede de preparation de polycondensats a haut poids moleculaire
BE753215A (fr) Procede de preparation de polyesters a haut poids moleculaire
BE822946A (fr) Procede de preparation de polyethylene de poids moleculaire superieur a 500.000
BE777067A (fr) Procede de preparation d'alcoylphenols
BE761304A (fr) Procede de preparation d'aminophenyl-trial-coxy-silanes
SE398753B (sv) Forfarande for framstellning av 3',4'-didesoxitanamycin b
BE764088A (fr) Procede de preparation de nouveaux quinoxaline-dioxydes substitues
CH551937A (fr) Procede de preparation de saligenol.
BE757475A (fr) Procede de preparation de composes lineaires a poids moleculaire eleve
IL37741A0 (en) Novel n-(bicycloamino-alkanoyl)-anilines,their preparation
BE773981A (fr) Poly- et copolyalcameres substitues a poids moleculaire eleve ,leur procede de preparation et leurs applications