FR1301040A - Procédé pour la fabrication des polyoxyméthylènes à longue chaîne - Google Patents

Procédé pour la fabrication des polyoxyméthylènes à longue chaîne

Info

Publication number
FR1301040A
FR1301040A FR869216A FR869216A FR1301040A FR 1301040 A FR1301040 A FR 1301040A FR 869216 A FR869216 A FR 869216A FR 869216 A FR869216 A FR 869216A FR 1301040 A FR1301040 A FR 1301040A
Authority
FR
France
Prior art keywords
polyoxymethylenes
manufacture
long chain
chain
long
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
FR869216A
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.)
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 DED33898A external-priority patent/DE1132723B/de
Application filed by Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Priority to FR869216A priority Critical patent/FR1301040A/fr
Application granted granted Critical
Publication of FR1301040A publication Critical patent/FR1301040A/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
    • 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
    • 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
    • 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
    • C08G2/34—Chemical modification by after-treatment by etherification

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)
FR869216A 1960-07-30 1961-07-27 Procédé pour la fabrication des polyoxyméthylènes à longue chaîne Expired FR1301040A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR869216A FR1301040A (fr) 1960-07-30 1961-07-27 Procédé pour la fabrication des polyoxyméthylènes à longue chaîne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED33898A DE1132723B (de) 1960-07-30 1960-07-30 Verfahren zur Herstellung von Eupolyoxymethylenen
FR869216A FR1301040A (fr) 1960-07-30 1961-07-27 Procédé pour la fabrication des polyoxyméthylènes à longue chaîne

Publications (1)

Publication Number Publication Date
FR1301040A true FR1301040A (fr) 1962-08-10

Family

ID=25971126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869216A Expired FR1301040A (fr) 1960-07-30 1961-07-27 Procédé pour la fabrication des polyoxyméthylènes à longue chaîne

Country Status (1)

Country Link
FR (1) FR1301040A (fr)

Similar Documents

Publication Publication Date Title
FR1303997A (fr) Procédé de fabrication de polyamides linéaires
CH398532A (fr) Procédé de fabrication continue de polyoxyméthylène
OA01293A (fr) Procédé de fabrication de sulfonates métalliques basiques.
BE602539A (fr) Procédé de fabrication d'arylaminopyrazoles
FR1269229A (fr) Procédé pour la fabrication de tamis
FR1316812A (fr) Procédé de fabrication des polyoxyméthylènes
BE607056A (fr) Procédé pour la production de triarylphosphines
BE604973A (fr) Procédé de fabrication de mélamine
FR1253517A (fr) Procédé de fabrication de scies
BE599776A (fr) Procédé de fabrication de dialkylhydrazines asymétriques
FR1250930A (fr) Procédé pour la fabrication de cyclo-dodécatriènes-(1, 5, 9)
BE600876A (fr) Procédé de fabrication du bêta-caro .
BE599757A (fr) Procédé pour la fabrication de di-amino-oxazolènes
BE614593A (fr) Procédé pour la fabrication de courroies à chaînons
FR1298276A (fr) Procédé de fabrication de mélamine
FR1300477A (fr) Procédé de fabrication de tétrafluoroéthylène
BE588987A (fr) Procédé de fabrication de scies.
FR1256325A (fr) Procédé de fabrication de matières réfractaires
BE605058A (fr) Procédé de fabrication de matières réfractaires
BE609925A (fr) Procédé pour la fabrication de pigmentaires
FR1261007A (fr) Chaînons pour scies à chaîne et procédé de fabrication
BE605059A (fr) Procédé de fabrication de réfractaires basiques
FR1275302A (fr) Pantoufle et procédé pour sa fabrication
FR1279106A (fr) Procédé de fabrication continue de pâte de bois
BE600344A (fr) Procédé perfectionné pour la fabrication continue du pentaérythritol.