CH520169A - Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen - Google Patents

Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen

Info

Publication number
CH520169A
CH520169A CH1345268A CH1345268A CH520169A CH 520169 A CH520169 A CH 520169A CH 1345268 A CH1345268 A CH 1345268A CH 1345268 A CH1345268 A CH 1345268A CH 520169 A CH520169 A CH 520169A
Authority
CH
Switzerland
Prior art keywords
pump
temperature
polymer
polymerization
mass
Prior art date
Application number
CH1345268A
Other languages
German (de)
English (en)
Inventor
Alexandre Desgurse Paul Joseph
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of CH520169A publication Critical patent/CH520169A/de

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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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)
CH1345268A 1967-09-11 1968-09-09 Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen CH520169A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB41319/67A GB1180044A (en) 1967-09-11 1967-09-11 Process for the Polymerization of beta-Lactones.

Publications (1)

Publication Number Publication Date
CH520169A true CH520169A (de) 1972-03-15

Family

ID=10419140

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1345268A CH520169A (de) 1967-09-11 1968-09-09 Verfahren zur kontinuierlichen Herstellung von Polymerisaten oder Copolymerisaten von B-Lactonen

Country Status (8)

Country Link
AT (1) AT287307B (es)
BE (1) BE720564A (es)
CH (1) CH520169A (es)
DE (1) DE1795306B2 (es)
ES (1) ES357956A1 (es)
FR (1) FR1577945A (es)
GB (1) GB1180044A (es)
NL (1) NL6812824A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5349046A (en) * 1992-12-01 1994-09-20 Shell Oil Company Polymerization of β-lactones under rim conditions

Also Published As

Publication number Publication date
ES357956A1 (es) 1970-04-01
AT287307B (de) 1971-01-25
NL6812824A (es) 1969-03-13
FR1577945A (es) 1969-08-08
DE1795306C3 (es) 1975-02-06
BE720564A (es) 1969-03-10
DE1795306A1 (de) 1972-03-16
DE1795306B2 (de) 1974-06-20
GB1180044A (en) 1970-02-04

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Legal Events

Date Code Title Description
PL Patent ceased