ES370814A1 - Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona. - Google Patents

Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona.

Info

Publication number
ES370814A1
ES370814A1 ES370814A ES370814A ES370814A1 ES 370814 A1 ES370814 A1 ES 370814A1 ES 370814 A ES370814 A ES 370814A ES 370814 A ES370814 A ES 370814A ES 370814 A1 ES370814 A1 ES 370814A1
Authority
ES
Spain
Prior art keywords
lactone
polyester
screw
degassing
discharge side
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
ES370814A
Other languages
English (en)
Spanish (es)
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 ES370814A1 publication Critical patent/ES370814A1/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

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)
ES370814A 1968-08-26 1969-08-25 Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona. Expired ES370814A1 (es)

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
ES370814A1 true ES370814A1 (es) 1971-08-01

Family

ID=10416256

Family Applications (1)

Application Number Title Priority Date Filing Date
ES370814A Expired ES370814A1 (es) 1968-08-26 1969-08-25 Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona.

Country Status (9)

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

Also Published As

Publication number Publication date
BE737926A (fr) 1970-02-25
NL137351C (fr)
JPS4928277B1 (fr) 1974-07-25
CH528558A (de) 1972-09-30
NL6912913A (fr) 1970-03-02
DE1943154B2 (de) 1972-09-28
GB1197366A (en) 1970-07-01
FR2016391A1 (en) 1970-05-08
DE1943154A1 (de) 1970-03-05
SE350060B (fr) 1972-10-16

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