BE776742A - Procede ameliore de condensation en masse fondue - Google Patents

Procede ameliore de condensation en masse fondue

Info

Publication number
BE776742A
BE776742A BE776742A BE776742A BE776742A BE 776742 A BE776742 A BE 776742A BE 776742 A BE776742 A BE 776742A BE 776742 A BE776742 A BE 776742A BE 776742 A BE776742 A BE 776742A
Authority
BE
Belgium
Prior art keywords
condensation process
improved melt
based condensation
melt
improved
Prior art date
Application number
BE776742A
Other languages
English (en)
French (fr)
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 BE776742A publication Critical patent/BE776742A/xx

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
    • 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
    • C08G63/785—Preparation processes characterised by the apparatus used
    • 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)
BE776742A 1970-12-18 1971-12-15 Procede ameliore de condensation en masse fondue BE776742A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1141970 1970-12-18

Publications (1)

Publication Number Publication Date
BE776742A true BE776742A (fr) 1972-04-04

Family

ID=3628608

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776742A BE776742A (fr) 1970-12-18 1971-12-15 Procede ameliore de condensation en masse fondue

Country Status (11)

Country Link
US (1) US3817929A (xx)
JP (1) JPS5540612B1 (xx)
AU (1) AU3701071A (xx)
BE (1) BE776742A (xx)
BR (1) BR7108373D0 (xx)
CA (1) CA961194A (xx)
DE (1) DE2162507C2 (xx)
FR (1) FR2118158B1 (xx)
GB (1) GB1362668A (xx)
IT (1) IT943287B (xx)
NL (1) NL7117346A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165420A (en) * 1977-11-10 1979-08-21 The Goodyear Tire & Rubber Company Solid state polymerization of polyester prepolymer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD78099A (xx) *
US3359074A (en) * 1963-06-11 1967-12-19 Monsanto Co Polycondensation apparatus
GB1085147A (en) * 1965-07-29 1967-09-27 Ici Ltd Polyester preparation
DE1720692B2 (de) * 1967-07-26 1973-07-05 Farbwerke Hoechst AG, vormals Mei ster Lucius & Brumng, 6000 Frankfurt Vorrichtung zur kontinuierlichen polykondensation
NL6809754A (xx) * 1968-04-11 1969-10-14

Also Published As

Publication number Publication date
FR2118158B1 (xx) 1976-03-26
FR2118158A1 (xx) 1972-07-28
DE2162507C2 (de) 1982-11-25
IT943287B (it) 1973-04-02
GB1362668A (en) 1974-08-07
CA961194A (en) 1975-01-14
NL7117346A (xx) 1972-06-20
JPS5540612B1 (xx) 1980-10-18
AU3701071A (en) 1973-06-21
US3817929A (en) 1974-06-18
BR7108373D0 (pt) 1973-05-10
DE2162507A1 (de) 1972-07-13

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