IT943287B - Procedimento per migliorare la con densazione in fusione - Google Patents

Procedimento per migliorare la con densazione in fusione

Info

Publication number
IT943287B
IT943287B IT71133/71A IT7113371A IT943287B IT 943287 B IT943287 B IT 943287B IT 71133/71 A IT71133/71 A IT 71133/71A IT 7113371 A IT7113371 A IT 7113371A IT 943287 B IT943287 B IT 943287B
Authority
IT
Italy
Prior art keywords
fusion
improving
procedure
con densation
densation
Prior art date
Application number
IT71133/71A
Other languages
English (en)
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Application granted granted Critical
Publication of IT943287B publication Critical patent/IT943287B/it

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)
IT71133/71A 1970-12-18 1971-12-17 Procedimento per migliorare la con densazione in fusione IT943287B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT943287B true IT943287B (it) 1973-04-02

Family

ID=3628608

Family Applications (1)

Application Number Title Priority Date Filing Date
IT71133/71A IT943287B (it) 1970-12-18 1971-12-17 Procedimento per migliorare la con densazione in fusione

Country Status (11)

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

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 (it) *
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 (it) * 1968-04-11 1969-10-14

Also Published As

Publication number Publication date
DE2162507C2 (de) 1982-11-25
AU3701071A (en) 1973-06-21
BR7108373D0 (pt) 1973-05-10
NL7117346A (it) 1972-06-20
DE2162507A1 (de) 1972-07-13
FR2118158A1 (it) 1972-07-28
FR2118158B1 (it) 1976-03-26
BE776742A (fr) 1972-04-04
CA961194A (en) 1975-01-14
GB1362668A (en) 1974-08-07
JPS5540612B1 (it) 1980-10-18
US3817929A (en) 1974-06-18

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