FR1531335A - Procédé pour stabiliser les polyoxyméthylènes - Google Patents

Procédé pour stabiliser les polyoxyméthylènes

Info

Publication number
FR1531335A
FR1531335A FR29091A FR29091A FR1531335A FR 1531335 A FR1531335 A FR 1531335A FR 29091 A FR29091 A FR 29091A FR 29091 A FR29091 A FR 29091A FR 1531335 A FR1531335 A FR 1531335A
Authority
FR
France
Prior art keywords
polyoxymethylenes
stabilizing
stabilizing 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
FR29091A
Other languages
English (en)
Inventor
Kurt Klinkmann
Karl-Ludwig Schmidt
Kuno Wagner
Ernst-Ulrich Kocher
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
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR1531335A publication Critical patent/FR1531335A/fr
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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • 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
    • C08G2/18—Copolymerisation of aldehydes or ketones
    • C08G2/24—Copolymerisation of aldehydes or ketones with acetals
    • 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
    • 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
    • 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
    • C08G2/36—Chemical modification by after-treatment by depolymerisation

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)
FR29091A 1964-08-21 1965-08-21 Procédé pour stabiliser les polyoxyméthylènes Expired FR1531335A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF0043801 1964-08-21
DEF0046598 1965-07-14

Publications (1)

Publication Number Publication Date
FR1531335A true FR1531335A (fr) 1968-07-05

Family

ID=25976434

Family Applications (1)

Application Number Title Priority Date Filing Date
FR29091A Expired FR1531335A (fr) 1964-08-21 1965-08-21 Procédé pour stabiliser les polyoxyméthylènes

Country Status (3)

Country Link
BE (1) BE668650A (fr)
FR (1) FR1531335A (fr)
NL (1) NL6510938A (fr)

Also Published As

Publication number Publication date
NL6510938A (fr) 1966-02-22
BE668650A (fr) 1966-02-23

Similar Documents

Publication Publication Date Title
FR1522928A (fr) Procédé pour stabiliser des polyoxydes de phénylène
FR1506894A (fr) Procédé pour stabiliser des substances protéiques
FR1352999A (fr) Procédé de stabilisation des polyoxyméthylènes
FR1427808A (fr) Procédé perfectionné pour améliorer la stabilité de polyoléfines
FR1531943A (fr) Procédé pour stabiliser des poly-acétals macromoléculaires
FR1531335A (fr) Procédé pour stabiliser les polyoxyméthylènes
FR1426556A (fr) Procédé de photocopie
FR1379756A (fr) Procédé perfectionné pour la stabilisation des polyoxyméthylènes
FR1454771A (fr) Procédé de production de copolymères de trioxane
FR1368595A (fr) Procédé pour stabiliser des poly-hydroxy-méthylènes
FR1426673A (fr) Procédé de photocopie
FR1475410A (fr) Procédé perfectionné pour stabiliser les solutions de formaldéhyde
FR1375796A (fr) Procédé pour stabiliser le polyoxyméthylène
FR1453168A (fr) Procédé pour le post-traitement de polyacétals
CH437143A (fr) Procédé de cryo-séchage de matières
FR1424655A (fr) Procédé de préparation de polyoxyméthylènes
FR1356557A (fr) Procédé pour stabiliser des copolymères du trioxanne
FR1369934A (fr) Procédé pour stabiliser des polyacétals
FR1413784A (fr) Procédé de coulée continue
FR1473375A (fr) Procédé pour stabiliser des matières photosensibles développées
FR1434776A (fr) Procédé pour imprégner des charges
FR1469468A (fr) Procédé pour fabriquer des nouveaux pseudoindoles basiquement substitués
FR1485966A (fr) Procédé de stabilisation des polyoxyméthylènes
FR1247551A (fr) Procédé pour stabiliser les résines de polyamide
FR1427539A (fr) Procédé pour améliorer le contraste des photocopies