FR2016391A1 - Removal of volatiles from polylactones produced by - melt polymerisation - Google Patents

Removal of volatiles from polylactones produced by - melt polymerisation

Info

Publication number
FR2016391A1
FR2016391A1 FR6929055A FR6929055A FR2016391A1 FR 2016391 A1 FR2016391 A1 FR 2016391A1 FR 6929055 A FR6929055 A FR 6929055A FR 6929055 A FR6929055 A FR 6929055A FR 2016391 A1 FR2016391 A1 FR 2016391A1
Authority
FR
France
Prior art keywords
volatiles
polymer
lactone
atmospheres
polylactones
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.)
Withdrawn
Application number
FR6929055A
Other languages
English (en)
French (fr)
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 FR2016391A1 publication Critical patent/FR2016391A1/fr
Withdrawn legal-status Critical Current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

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR6929055A 1968-08-26 1969-08-25 Removal of volatiles from polylactones produced by - melt polymerisation Withdrawn FR2016391A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4071468A GB1197366A (en) 1968-08-26 1968-08-26 Process for the Degassing of Polymers of a beta-Lactone

Publications (1)

Publication Number Publication Date
FR2016391A1 true FR2016391A1 (en) 1970-05-08

Family

ID=10416256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6929055A Withdrawn FR2016391A1 (en) 1968-08-26 1969-08-25 Removal of volatiles from polylactones produced by - melt polymerisation

Country Status (9)

Country Link
JP (1) JPS4928277B1 (pt)
BE (1) BE737926A (pt)
CH (1) CH528558A (pt)
DE (1) DE1943154B2 (pt)
ES (1) ES370814A1 (pt)
FR (1) FR2016391A1 (pt)
GB (1) GB1197366A (pt)
NL (2) NL6912913A (pt)
SE (1) SE350060B (pt)

Also Published As

Publication number Publication date
BE737926A (pt) 1970-02-25
NL6912913A (pt) 1970-03-02
NL137351C (pt)
DE1943154B2 (de) 1972-09-28
CH528558A (de) 1972-09-30
GB1197366A (en) 1970-07-01
JPS4928277B1 (pt) 1974-07-25
SE350060B (pt) 1972-10-16
ES370814A1 (es) 1971-08-01
DE1943154A1 (de) 1970-03-05

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Legal Events

Date Code Title Description
ST Notification of lapse