FR1307391A - Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé - Google Patents

Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé

Info

Publication number
FR1307391A
FR1307391A FR873768A FR873768A FR1307391A FR 1307391 A FR1307391 A FR 1307391A FR 873768 A FR873768 A FR 873768A FR 873768 A FR873768 A FR 873768A FR 1307391 A FR1307391 A FR 1307391A
Authority
FR
France
Prior art keywords
molecular weight
high molecular
manufacturing high
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
FR873768A
Other languages
English (en)
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 DEF32227A external-priority patent/DE1166475B/de
Application filed by Bayer AG filed Critical Bayer AG
Priority to FR873768A priority Critical patent/FR1307391A/fr
Application granted granted Critical
Publication of FR1307391A publication Critical patent/FR1307391A/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
    • C08G2/30—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)
FR873768A 1960-09-29 1961-09-21 Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé Expired FR1307391A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR873768A FR1307391A (fr) 1960-09-29 1961-09-21 Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF32227A DE1166475B (de) 1960-09-29 1960-09-29 Verfahren zur Herstellung von veresterten oder veraetherten hochmolekularen Polyoxymethylenen
FR873768A FR1307391A (fr) 1960-09-29 1961-09-21 Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé

Publications (1)

Publication Number Publication Date
FR1307391A true FR1307391A (fr) 1962-10-26

Family

ID=25974783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873768A Expired FR1307391A (fr) 1960-09-29 1961-09-21 Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé

Country Status (1)

Country Link
FR (1) FR1307391A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301542B (de) * 1963-01-29 1969-08-21 Ube Industries Verfahren zur Herstellung von Copolymerisaten des Formaldehyds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301542B (de) * 1963-01-29 1969-08-21 Ube Industries Verfahren zur Herstellung von Copolymerisaten des Formaldehyds

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