FR80214E - Process for the preparation of formaldehyde polymers - Google Patents

Process for the preparation of formaldehyde polymers

Info

Publication number
FR80214E
FR80214E FR868617A FR868617A FR80214E FR 80214 E FR80214 E FR 80214E FR 868617 A FR868617 A FR 868617A FR 868617 A FR868617 A FR 868617A FR 80214 E FR80214 E FR 80214E
Authority
FR
France
Prior art keywords
preparation
formaldehyde polymers
formaldehyde
polymers
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
FR868617A
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 DED25004A external-priority patent/DE1108434B/en
Application filed by Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR868617A priority Critical patent/FR80214E/en
Application granted granted Critical
Publication of FR80214E publication Critical patent/FR80214E/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08Polymerisation of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR868617A 1957-02-23 1961-07-21 Process for the preparation of formaldehyde polymers Expired FR80214E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR868617A FR80214E (en) 1957-02-23 1961-07-21 Process for the preparation of formaldehyde polymers

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DED25004A DE1108434B (en) 1957-02-23 1957-02-23 Process for the catalytic polymerisation of formaldehyde in inert solvents
DED33842A DE1139273B (en) 1957-02-23 1960-07-23 Process for the preparation of polyoxymethylenes
FR868617A FR80214E (en) 1957-02-23 1961-07-21 Process for the preparation of formaldehyde polymers
DED38959A DE1190187B (en) 1957-02-23 1962-05-19 Process for stabilizing polyoxymethylenes

Publications (1)

Publication Number Publication Date
FR80214E true FR80214E (en) 1963-03-29

Family

ID=27436743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868617A Expired FR80214E (en) 1957-02-23 1961-07-21 Process for the preparation of formaldehyde polymers

Country Status (1)

Country Link
FR (1) FR80214E (en)

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