GB1197366A - Process for the Degassing of Polymers of a beta-Lactone - Google Patents

Process for the Degassing of Polymers of a beta-Lactone

Info

Publication number
GB1197366A
GB1197366A GB4071468A GB4071468A GB1197366A GB 1197366 A GB1197366 A GB 1197366A GB 4071468 A GB4071468 A GB 4071468A GB 4071468 A GB4071468 A GB 4071468A GB 1197366 A GB1197366 A GB 1197366A
Authority
GB
United Kingdom
Prior art keywords
lactone
degassing
polyester
screw
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
GB4071468A
Other languages
English (en)
Inventor
Hendricus Anthonius Oosterhof
Jan Selman
Johannes Hantje Klein
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 NL137351D priority Critical patent/NL137351C/xx
Application filed by SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Priority to GB4071468A priority patent/GB1197366A/en
Priority to DE19691943154 priority patent/DE1943154B2/de
Priority to ES370814A priority patent/ES370814A1/es
Priority to BE737926D priority patent/BE737926A/xx
Priority to NL6912913A priority patent/NL6912913A/xx
Priority to FR6929055A priority patent/FR2016391A1/fr
Priority to SE1175369A priority patent/SE350060B/xx
Priority to CH1286069A priority patent/CH528558A/de
Priority to JP6681269A priority patent/JPS4928277B1/ja
Publication of GB1197366A publication Critical patent/GB1197366A/en
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)
GB4071468A 1968-08-26 1968-08-26 Process for the Degassing of Polymers of a beta-Lactone Expired GB1197366A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL137351D NL137351C (cs) 1968-08-26
GB4071468A GB1197366A (en) 1968-08-26 1968-08-26 Process for the Degassing of Polymers of a beta-Lactone
NL6912913A NL6912913A (cs) 1968-08-26 1969-08-25
ES370814A ES370814A1 (es) 1968-08-26 1969-08-25 Un procedimiento para desgasificar una mezcla que contiene un polimero de una beta-lactona.
BE737926D BE737926A (cs) 1968-08-26 1969-08-25
DE19691943154 DE1943154B2 (de) 1968-08-26 1969-08-25 Verfahren zum entgasen eines durch polymerisation oder copolymerisation eines beta-lactons in der schmelze erhaltenen beta-lactonhomo- oder -copolymerisats
FR6929055A FR2016391A1 (en) 1968-08-26 1969-08-25 Removal of volatiles from polylactones produced by - melt polymerisation
SE1175369A SE350060B (cs) 1968-08-26 1969-08-25
CH1286069A CH528558A (de) 1968-08-26 1969-08-25 Verfahren zum Entgasen von B-Lactonhomo- oder -copolymerisaten
JP6681269A JPS4928277B1 (cs) 1968-08-26 1969-08-25

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
GB1197366A true GB1197366A (en) 1970-07-01

Family

ID=10416256

Family Applications (1)

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

Country Status (9)

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

Also Published As

Publication number Publication date
SE350060B (cs) 1972-10-16
NL6912913A (cs) 1970-03-02
CH528558A (de) 1972-09-30
JPS4928277B1 (cs) 1974-07-25
FR2016391A1 (en) 1970-05-08
ES370814A1 (es) 1971-08-01
DE1943154A1 (de) 1970-03-05
DE1943154B2 (de) 1972-09-28
NL137351C (cs)
BE737926A (cs) 1970-02-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees