BE624745A - - Google Patents

Info

Publication number
BE624745A
BE624745A BE624745DA BE624745A BE 624745 A BE624745 A BE 624745A BE 624745D A BE624745D A BE 624745DA BE 624745 A BE624745 A BE 624745A
Authority
BE
Belgium
Application number
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.)
Publication of BE624745A publication Critical patent/BE624745A/xx

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)
BE624745D 1961-11-14 BE624745A (zh)

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
BE624745A true BE624745A (zh)

Family

ID=7043592

Family Applications (1)

Application Number Title Priority Date Filing Date
BE624745D BE624745A (zh) 1961-11-14

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244406B (de) * 1963-07-08 1967-07-13 Asahi Chemical Ind Verfahren zur Herstellung von Polyoxymethylenen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302857A (zh) * 1963-02-20
GB1053917A (zh) * 1964-02-05
EP3287476A1 (de) 2016-08-25 2018-02-28 Covestro Deutschland AG Verfahren zur herstellung von polyoxymethylen-block-copolymeren

Family Cites Families (8)

* 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
US2989509A (en) * 1957-10-21 1961-06-20 Celanese Corp Trioxane polymer stabilization
US2947727A (en) * 1957-10-21 1960-08-02 Celanese Corp Catalytic polymerization process
US2951059A (en) * 1957-10-21 1960-08-30 Celanese Corp Vapor phase polymerization of trioxane
NL246741A (zh) * 1958-12-23
NL123945C (zh) * 1959-01-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1244406B (de) * 1963-07-08 1967-07-13 Asahi Chemical Ind Verfahren zur Herstellung von Polyoxymethylenen

Also Published As

Publication number Publication date
NL285422A (zh)
CH409400A (de) 1966-03-15
GB971106A (en) 1964-09-30
DE1198558B (de) 1965-08-12
FR1339198A (fr) 1963-10-04
US3297642A (en) 1967-01-10

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