CH546264A - Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons. - Google Patents

Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons.

Info

Publication number
CH546264A
CH546264A CH343970A CH546264DA CH546264A CH 546264 A CH546264 A CH 546264A CH 343970 A CH343970 A CH 343970A CH 546264D A CH546264D A CH 546264DA CH 546264 A CH546264 A CH 546264A
Authority
CH
Switzerland
Prior art keywords
lactone
beta
bulk polymerization
continuous bulk
continuous
Prior art date
Application number
CH343970A
Other languages
English (en)
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 CH546264A publication Critical patent/CH546264A/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
    • C08G63/78—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
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/823—Preparation 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)
CH343970A 1969-03-10 1970-03-09 Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons. CH546264A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL696903704A NL140261B (nl) 1969-03-10 1969-03-10 Werkwijze voor het continu polymeriseren van beta-lactonen.

Publications (1)

Publication Number Publication Date
CH546264A true CH546264A (de) 1974-02-28

Family

ID=19806369

Family Applications (1)

Application Number Title Priority Date Filing Date
CH343970A CH546264A (de) 1969-03-10 1970-03-09 Verfahren zur kontinuierlichen massenpolymerisation eines (beta)-lactons.

Country Status (9)

Country Link
US (1) US3669940A (de)
AU (1) AU1231470A (de)
BE (1) BE747053A (de)
CH (1) CH546264A (de)
DE (1) DE2011063A1 (de)
ES (1) ES377293A1 (de)
FR (1) FR2037819A5 (de)
GB (1) GB1261153A (de)
NL (1) NL140261B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145330A (en) * 1977-11-14 1979-03-20 Ethyl Corporation Flame retardant polypivalolactone compositions
US4226757A (en) * 1979-07-17 1980-10-07 Ethyl Corporation Polypivalolactone polymer blends
CA2447769C (en) 2001-06-13 2011-07-26 Energy & Environmental International, L.C. Bulk polymerization reactors and methods for polymerization

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE36499C (de) * 1960-12-12 H. F. FÜLLER in New-York Maschine zur Herstellung von Hufeisen
NL6508040A (de) * 1965-06-23 1966-12-27

Also Published As

Publication number Publication date
ES377293A1 (es) 1973-02-01
NL140261B (nl) 1973-11-15
US3669940A (en) 1972-06-13
NL6903704A (de) 1970-09-14
AU1231470A (en) 1971-09-16
DE2011063A1 (de) 1970-09-24
BE747053A (fr) 1970-09-09
GB1261153A (en) 1972-01-26
FR2037819A5 (de) 1970-12-31

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Legal Events

Date Code Title Description
PL Patent ceased