GB1133294A - Polymerisation of pivalolactone - Google Patents

Polymerisation of pivalolactone

Info

Publication number
GB1133294A
GB1133294A GB1719767A GB1719767A GB1133294A GB 1133294 A GB1133294 A GB 1133294A GB 1719767 A GB1719767 A GB 1719767A GB 1719767 A GB1719767 A GB 1719767A GB 1133294 A GB1133294 A GB 1133294A
Authority
GB
United Kingdom
Prior art keywords
pivalolactone
betaine
salts
iodides
carboxyethyl
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
GB1719767A
Other languages
English (en)
Inventor
Franciscus Johannes Freder Der
Willem Marius Wagner
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 INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
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
Priority to NL137350D priority Critical patent/NL137350C/xx
Application filed by SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Priority to GB1719767A priority patent/GB1133294A/en
Priority claimed from GB1719667A external-priority patent/GB1133293A/en
Priority to US717394A priority patent/US3558572A/en
Priority to CH544568A priority patent/CH511261A/de
Priority to AT360368A priority patent/AT290842B/de
Priority to FR1563332D priority patent/FR1563332A/fr
Priority to DE19681795608 priority patent/DE1795608A1/de
Priority to ES352676A priority patent/ES352676A1/es
Priority to NL6805166A priority patent/NL6805166A/xx
Priority to BE713537D priority patent/BE713537A/xx
Priority to DE19681770193 priority patent/DE1770193C/de
Priority to SE497668A priority patent/SE333639B/xx
Publication of GB1133294A publication Critical patent/GB1133294A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/823Preparation processes characterised by the catalyst used for the preparation of polylactones or polylactides

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)
  • Polymerization Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1719767A 1967-04-14 1967-04-14 Polymerisation of pivalolactone Expired GB1133294A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL137350D NL137350C (enExample) 1967-04-14
GB1719767A GB1133294A (en) 1967-04-14 1967-04-14 Polymerisation of pivalolactone
US717394A US3558572A (en) 1967-04-14 1968-03-29 Process for polymerizing beta-lactones in the presence of poly(beta-lactone) prepolymer initiators
SE497668A SE333639B (enExample) 1967-04-14 1968-04-11
DE19681795608 DE1795608A1 (de) 1967-04-14 1968-04-11 Verfahren zur Herstellung eines lebenden,gegebenenfalls betainartigen Prepolymeren aus alpha,alpha-dialkylsubstituierten ss-Propiolactonen
AT360368A AT290842B (de) 1967-04-14 1968-04-11 Verfahren zum Polymerisieren in Aufschlämmung von einem oder mehreren β-Propiolactonen
FR1563332D FR1563332A (enExample) 1967-04-14 1968-04-11
CH544568A CH511261A (de) 1967-04-14 1968-04-11 Verfahren zum Polymerisieren in Aufschlämmung von einem oder mehreren B-Propiolactonen
ES352676A ES352676A1 (es) 1967-04-14 1968-04-11 Un procedimiento para la polimerizacion de suspension de una o mas betapropiolactonas.
NL6805166A NL6805166A (enExample) 1967-04-14 1968-04-11
BE713537D BE713537A (enExample) 1967-04-14 1968-04-11
DE19681770193 DE1770193C (de) 1967-04-14 1968-04-11 Verfahren zur Herstellung eines Polyesters durch Polymerisieren von beta Propiolactonen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1719667A GB1133293A (en) 1967-04-14 1967-04-14 Process for the manufacture of lactone prepolymers
GB1719767A GB1133294A (en) 1967-04-14 1967-04-14 Polymerisation of pivalolactone

Publications (1)

Publication Number Publication Date
GB1133294A true GB1133294A (en) 1968-11-13

Family

ID=26252532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1719767A Expired GB1133294A (en) 1967-04-14 1967-04-14 Polymerisation of pivalolactone

Country Status (9)

Country Link
AT (1) AT290842B (enExample)
BE (1) BE713537A (enExample)
CH (1) CH511261A (enExample)
DE (1) DE1795608A1 (enExample)
ES (1) ES352676A1 (enExample)
FR (1) FR1563332A (enExample)
GB (1) GB1133294A (enExample)
NL (2) NL6805166A (enExample)
SE (1) SE333639B (enExample)

Also Published As

Publication number Publication date
SE333639B (enExample) 1971-03-22
DE1770193B2 (de) 1972-08-31
CH511261A (de) 1971-08-15
DE1770193A1 (de) 1969-10-16
BE713537A (enExample) 1968-10-11
NL6805166A (enExample) 1968-10-15
AT290842B (de) 1971-06-25
ES352676A1 (es) 1969-07-16
NL137350C (enExample)
DE1795608A1 (de) 1972-03-09
FR1563332A (enExample) 1969-04-11

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