FR1263457A - Process for producing very high molecular weight polyoxymethylenes - Google Patents

Process for producing very high molecular weight polyoxymethylenes

Info

Publication number
FR1263457A
FR1263457A FR829230A FR829230A FR1263457A FR 1263457 A FR1263457 A FR 1263457A FR 829230 A FR829230 A FR 829230A FR 829230 A FR829230 A FR 829230A FR 1263457 A FR1263457 A FR 1263457A
Authority
FR
France
Prior art keywords
producing
molecular weight
high molecular
weight polyoxymethylenes
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
FR829230A
Other languages
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 DED30844A external-priority patent/DE1132722B/en
Application filed by Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR829230A priority Critical patent/FR1263457A/en
Priority claimed from DED34032A external-priority patent/DE1140344B/en
Application granted granted Critical
Publication of FR1263457A publication Critical patent/FR1263457A/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
    • C08G2/10—Polymerisation of cyclic oligomers of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR829230A 1959-06-12 1960-06-07 Process for producing very high molecular weight polyoxymethylenes Expired FR1263457A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR829230A FR1263457A (en) 1959-06-12 1960-06-07 Process for producing very high molecular weight polyoxymethylenes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DED30844A DE1132722B (en) 1959-06-12 1959-06-12 Process for the preparation of eupolyoxymethylenes
FR829230A FR1263457A (en) 1959-06-12 1960-06-07 Process for producing very high molecular weight polyoxymethylenes
DED34032A DE1140344B (en) 1960-08-17 1960-08-17 Process for the preparation of eupolyoxymethylenes

Publications (1)

Publication Number Publication Date
FR1263457A true FR1263457A (en) 1961-06-09

Family

ID=32474796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR829230A Expired FR1263457A (en) 1959-06-12 1960-06-07 Process for producing very high molecular weight polyoxymethylenes

Country Status (1)

Country Link
FR (1) FR1263457A (en)

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