ES357956A1 - Un procedimiento para la polimerizacion continua en masa debeta-lactonas. - Google Patents

Un procedimiento para la polimerizacion continua en masa debeta-lactonas.

Info

Publication number
ES357956A1
ES357956A1 ES357956A ES357956A ES357956A1 ES 357956 A1 ES357956 A1 ES 357956A1 ES 357956 A ES357956 A ES 357956A ES 357956 A ES357956 A ES 357956A ES 357956 A1 ES357956 A1 ES 357956A1
Authority
ES
Spain
Prior art keywords
polymerization
pump
gear pump
stabilizer
lactones
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES357956A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of ES357956A1 publication Critical patent/ES357956A1/es
Expired legal-status Critical Current

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)
ES357956A 1967-09-11 1968-09-09 Un procedimiento para la polimerizacion continua en masa debeta-lactonas. Expired ES357956A1 (es)

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
ES357956A1 true ES357956A1 (es) 1970-04-01

Family

ID=10419140

Family Applications (1)

Application Number Title Priority Date Filing Date
ES357956A Expired ES357956A1 (es) 1967-09-11 1968-09-09 Un procedimiento para la polimerizacion continua en masa debeta-lactonas.

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
CH520169A (de) 1972-03-15
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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