GB1327595A - Process for the working up of crude oxymethylene polymers - Google Patents

Process for the working up of crude oxymethylene polymers

Info

Publication number
GB1327595A
GB1327595A GB5991570A GB5991570A GB1327595A GB 1327595 A GB1327595 A GB 1327595A GB 5991570 A GB5991570 A GB 5991570A GB 5991570 A GB5991570 A GB 5991570A GB 1327595 A GB1327595 A GB 1327595A
Authority
GB
United Kingdom
Prior art keywords
polymer
comminuted
dec
mixed
catalyst
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
GB5991570A
Other languages
English (en)
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1327595A publication Critical patent/GB1327595A/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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/28—Post-polymerisation treatments

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
GB5991570A 1969-12-18 1970-12-17 Process for the working up of crude oxymethylene polymers Expired GB1327595A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691963402 DE1963402C3 (de) 1969-12-18 1969-12-18 Verfahren zur Aufbereitung von rohen Oxymethylenpolymeren

Publications (1)

Publication Number Publication Date
GB1327595A true GB1327595A (en) 1973-08-22

Family

ID=5754214

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5991570A Expired GB1327595A (en) 1969-12-18 1970-12-17 Process for the working up of crude oxymethylene polymers

Country Status (5)

Country Link
BE (1) BE760516A (enrdf_load_stackoverflow)
DE (1) DE1963402C3 (enrdf_load_stackoverflow)
FR (1) FR2070912B1 (enrdf_load_stackoverflow)
GB (1) GB1327595A (enrdf_load_stackoverflow)
NL (1) NL7018527A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087411A (en) * 1975-09-17 1978-05-02 Mitsubishi Gas Chemical Company, Inc. Process for preparing oxymethylene polymers
DE4409744C2 (de) * 1994-03-22 2000-12-21 Basf Ag Verfahren zur Aufarbeitung von rohem Polyoxymethylen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT237897B (de) * 1962-05-19 1965-01-11 Degussa Verfahren zur Herstellung von Polyoxymethylenen mit erhöhter thermischer Stabilität
FR1453168A (fr) * 1964-11-11 1966-04-15 Basf Ag Procédé pour le post-traitement de polyacétals
DE1669658C3 (de) * 1966-08-06 1979-05-31 Basf Ag, 6700 Ludwigshafen Verfahren zum Herstellen stabilisierter Polyformaldehyde
DE1595340A1 (de) * 1966-08-27 1970-03-05 Basf Ag Verfahren zum Entfernen fluechtiger Anteile aus Polyformaldehyd

Also Published As

Publication number Publication date
FR2070912A1 (enrdf_load_stackoverflow) 1971-09-17
DE1963402B2 (de) 1977-10-06
DE1963402A1 (de) 1971-06-24
DE1963402C3 (de) 1981-07-09
NL7018527A (enrdf_load_stackoverflow) 1971-06-22
FR2070912B1 (enrdf_load_stackoverflow) 1975-06-06
BE760516A (fr) 1971-06-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee