DE1198558B - Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen - Google Patents

Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Info

Publication number
DE1198558B
DE1198558B DED37451A DED0037451A DE1198558B DE 1198558 B DE1198558 B DE 1198558B DE D37451 A DED37451 A DE D37451A DE D0037451 A DED0037451 A DE D0037451A DE 1198558 B DE1198558 B DE 1198558B
Authority
DE
Germany
Prior art keywords
trioxane
polymerization
molecular weight
high molecular
production
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.)
Pending
Application number
DED37451A
Other languages
German (de)
English (en)
Inventor
Dr Hermann Richtzenhain
Dr Paul Janssen
Dr Wilhelm Vogt
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel 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 to NL285422D priority Critical patent/NL285422A/xx
Priority to BE624745D priority patent/BE624745A/xx
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Priority to DED37451A priority patent/DE1198558B/de
Priority to CH1270462A priority patent/CH409400A/de
Priority to FR915285A priority patent/FR1339198A/fr
Priority to US237737A priority patent/US3297642A/en
Priority to GB43113/62A priority patent/GB971106A/en
Publication of DE1198558B publication Critical patent/DE1198558B/de
Pending 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
    • C08G2/10—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)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
DED37451A 1961-11-14 1961-11-14 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen Pending DE1198558B (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL285422D NL285422A (en:Method) 1961-11-14
BE624745D BE624745A (en:Method) 1961-11-14
DED37451A DE1198558B (de) 1961-11-14 1961-11-14 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen
CH1270462A CH409400A (de) 1961-11-14 1962-10-29 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen
FR915285A FR1339198A (fr) 1961-11-14 1962-11-13 Procédé de préparation de poly-oxyméthylènes à poids moléculaire élevé
US237737A US3297642A (en) 1961-11-14 1962-11-14 Process of producing high molecular weight polyoxymethylene
GB43113/62A GB971106A (en) 1961-11-14 1962-11-14 Process for the preparation of polyoxymethylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED37451A DE1198558B (de) 1961-11-14 1961-11-14 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Publications (1)

Publication Number Publication Date
DE1198558B true DE1198558B (de) 1965-08-12

Family

ID=7043592

Family Applications (1)

Application Number Title Priority Date Filing Date
DED37451A Pending DE1198558B (de) 1961-11-14 1961-11-14 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Country Status (7)

Country Link
US (1) US3297642A (en:Method)
BE (1) BE624745A (en:Method)
CH (1) CH409400A (en:Method)
DE (1) DE1198558B (en:Method)
FR (1) FR1339198A (en:Method)
GB (1) GB971106A (en:Method)
NL (1) NL285422A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3287476A1 (de) 2016-08-25 2018-02-28 Covestro Deutschland AG Verfahren zur herstellung von polyoxymethylen-block-copolymeren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302857A (en:Method) * 1963-02-20
DE1244406B (de) * 1963-07-08 1967-07-13 Asahi Chemical Ind Verfahren zur Herstellung von Polyoxymethylenen
GB1053917A (en:Method) * 1964-02-05

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1243668A (fr) * 1958-12-23 1960-10-14 Hoechst Ag Procédé de préparation de polyacétals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512950A (en) * 1944-12-30 1950-06-27 Du Pont Process for the production of polyoxymethylene ethers
US2805228A (en) * 1954-11-12 1957-09-03 Eastman Kodak Co New synthesis of methylene sulfate by reaction of paraformaldehyde with sulfur trioxide in chlorinated hydrocarbon solvent
US2989508A (en) * 1957-10-21 1961-06-20 Celanese Corp Solution polymerization
US2951059A (en) * 1957-10-21 1960-08-30 Celanese Corp Vapor phase polymerization of trioxane
US2947727A (en) * 1957-10-21 1960-08-02 Celanese Corp Catalytic polymerization process
US2989509A (en) * 1957-10-21 1961-06-20 Celanese Corp Trioxane polymer stabilization
NL246847A (en:Method) * 1959-01-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1243668A (fr) * 1958-12-23 1960-10-14 Hoechst Ag Procédé de préparation de polyacétals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3287476A1 (de) 2016-08-25 2018-02-28 Covestro Deutschland AG Verfahren zur herstellung von polyoxymethylen-block-copolymeren

Also Published As

Publication number Publication date
FR1339198A (fr) 1963-10-04
US3297642A (en) 1967-01-10
BE624745A (en:Method)
CH409400A (de) 1966-03-15
GB971106A (en) 1964-09-30
NL285422A (en:Method)

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