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FR1322460A - Improved process for the preparation of high molecular weight polyoxymethylenes - Google Patents

Improved process for the preparation of high molecular weight polyoxymethylenes

Info

Publication number
FR1322460A
FR1322460A FR894057A FR894057A FR1322460A FR 1322460 A FR1322460 A FR 1322460A FR 894057 A FR894057 A FR 894057A FR 894057 A FR894057 A FR 894057A FR 1322460 A FR1322460 A FR 1322460A
Authority
FR
France
Prior art keywords
preparation
molecular weight
high molecular
improved process
weight polyoxymethylenes
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
FR894057A
Other languages
French (fr)
Inventor
Kuno Wagner
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.)
Bayer AG
Original Assignee
Bayer 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
Priority claimed from DEF33902A external-priority patent/DE1166476B/en
Application filed by Bayer AG filed Critical Bayer AG
Priority to FR894057A priority Critical patent/FR1322460A/en
Application granted granted Critical
Publication of FR1322460A publication Critical patent/FR1322460A/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
    • C08G2/06—Catalysts
    • 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
    • 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
    • C08G2/08—Polymerisation of formaldehyde
    • 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
    • C08G2/30—Chemical modification by after-treatment
    • C08G2/32—Chemical modification by after-treatment by esterification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
FR894057A 1961-05-12 1962-04-11 Improved process for the preparation of high molecular weight polyoxymethylenes Expired FR1322460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR894057A FR1322460A (en) 1961-05-12 1962-04-11 Improved process for the preparation of high molecular weight polyoxymethylenes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF33902A DE1166476B (en) 1961-05-12 1961-05-12 Process for the production of high molecular weight polyoxymethylenes or their esters or ethers
FR894057A FR1322460A (en) 1961-05-12 1962-04-11 Improved process for the preparation of high molecular weight polyoxymethylenes

Publications (1)

Publication Number Publication Date
FR1322460A true FR1322460A (en) 1963-03-29

Family

ID=25974984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR894057A Expired FR1322460A (en) 1961-05-12 1962-04-11 Improved process for the preparation of high molecular weight polyoxymethylenes

Country Status (1)

Country Link
FR (1) FR1322460A (en)

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