AT241816B - Process for the production of high molecular weight polyoxymethylenes - Google Patents

Process for the production of high molecular weight polyoxymethylenes

Info

Publication number
AT241816B
AT241816B AT705461A AT705461A AT241816B AT 241816 B AT241816 B AT 241816B AT 705461 A AT705461 A AT 705461A AT 705461 A AT705461 A AT 705461A AT 241816 B AT241816 B AT 241816B
Authority
AT
Austria
Prior art keywords
production
molecular weight
high molecular
weight polyoxymethylenes
polyoxymethylenes
Prior art date
Application number
AT705461A
Other languages
German (de)
Inventor
Kuno Dr Wagner
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 AT241816B publication Critical patent/AT241816B/en

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)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
AT705461A 1960-09-17 1961-09-18 Process for the production of high molecular weight polyoxymethylenes AT241816B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF32151A DE1166474B (en) 1960-09-17 1960-09-17 Process for the production of high molecular weight polyoxymethylenes
DEF0033898 1961-05-10

Publications (1)

Publication Number Publication Date
AT241816B true AT241816B (en) 1965-08-10

Family

ID=25974776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT705461A AT241816B (en) 1960-09-17 1961-09-18 Process for the production of high molecular weight polyoxymethylenes

Country Status (6)

Country Link
AT (1) AT241816B (en)
BE (1) BE608221A (en)
CH (1) CH417962A (en)
DE (1) DE1166474B (en)
GB (1) GB940373A (en)
NL (1) NL269255A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633587A (en) * 1962-06-13

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL196512A (en) * 1954-04-16

Also Published As

Publication number Publication date
CH417962A (en) 1966-07-31
NL269255A (en)
BE608221A (en) 1962-01-02
DE1166474B (en) 1964-03-26
GB940373A (en) 1963-10-30

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