CH479652A - Process for the polymerization of B-lactones in suspension - Google Patents

Process for the polymerization of B-lactones in suspension

Info

Publication number
CH479652A
CH479652A CH1279666A CH1279666A CH479652A CH 479652 A CH479652 A CH 479652A CH 1279666 A CH1279666 A CH 1279666A CH 1279666 A CH1279666 A CH 1279666A CH 479652 A CH479652 A CH 479652A
Authority
CH
Switzerland
Prior art keywords
lactones
polymerization
suspension
Prior art date
Application number
CH1279666A
Other languages
German (de)
Inventor
Marius Wagner Willem
Klootwijk Arie
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 CH479652A publication Critical patent/CH479652A/en

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
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polymerisation Methods In General (AREA)
  • Polyamides (AREA)
CH1279666A 1965-09-07 1966-09-05 Process for the polymerization of B-lactones in suspension CH479652A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6511630A NL6511630A (en) 1965-09-07 1965-09-07

Publications (1)

Publication Number Publication Date
CH479652A true CH479652A (en) 1969-10-15

Family

ID=19794072

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1279666A CH479652A (en) 1965-09-07 1966-09-05 Process for the polymerization of B-lactones in suspension

Country Status (6)

Country Link
BE (1) BE686455A (en)
CH (1) CH479652A (en)
DE (1) DE1645384C3 (en)
GB (1) GB1090527A (en)
NL (1) NL6511630A (en)
SE (1) SE307673B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2953523B1 (en) * 2009-12-08 2013-02-15 Arkema France PROCESS FOR PREPARING A POLYMER OF AT LEAST ONE CYCLIC MONOMER

Also Published As

Publication number Publication date
DE1645384C3 (en) 1974-04-25
SE307673B (en) 1969-01-13
NL6511630A (en) 1967-03-08
GB1090527A (en) 1967-11-08
DE1645384B2 (en) 1973-06-28
BE686455A (en) 1967-03-06
DE1645384A1 (en) 1970-05-14

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Legal Events

Date Code Title Description
PL Patent ceased