DE1166474B - Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen - Google Patents

Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Info

Publication number
DE1166474B
DE1166474B DEF32151A DEF0032151A DE1166474B DE 1166474 B DE1166474 B DE 1166474B DE F32151 A DEF32151 A DE F32151A DE F0032151 A DEF0032151 A DE F0032151A DE 1166474 B DE1166474 B DE 1166474B
Authority
DE
Germany
Prior art keywords
formaldehyde
molecular weight
polymerization
salts
high molecular
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
DEF32151A
Other languages
German (de)
English (en)
Inventor
Dr 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 to NL269255D priority Critical patent/NL269255A/xx
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF32151A priority patent/DE1166474B/de
Priority to CH993561A priority patent/CH417962A/de
Priority to GB3299661A priority patent/GB940373A/en
Priority to FR873157A priority patent/FR1300492A/fr
Priority to BE608221A priority patent/BE608221A/fr
Priority to AT705461A priority patent/AT241816B/de
Publication of DE1166474B publication Critical patent/DE1166474B/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/06Catalysts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08Polymerisation of formaldehyde
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30Chemical modification by after-treatment
    • C08G2/32Chemical modification by after-treatment by esterification
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/30Chemical modification by after-treatment
    • C08G2/34Chemical 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)
DEF32151A 1960-09-17 1960-09-17 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen Pending DE1166474B (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL269255D NL269255A (en, 2012) 1960-09-17
DEF32151A DE1166474B (de) 1960-09-17 1960-09-17 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen
CH993561A CH417962A (de) 1960-09-17 1961-08-25 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen
GB3299661A GB940373A (en) 1960-09-17 1961-09-14 Improvements in or relating to high molecular weight polyoxymethylenes
FR873157A FR1300492A (fr) 1960-09-17 1961-09-14 Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde
BE608221A BE608221A (fr) 1960-09-17 1961-09-15 Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde
AT705461A AT241816B (de) 1960-09-17 1961-09-18 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF32151A DE1166474B (de) 1960-09-17 1960-09-17 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen
DEF0033898 1961-05-10

Publications (1)

Publication Number Publication Date
DE1166474B true DE1166474B (de) 1964-03-26

Family

ID=25974776

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF32151A Pending DE1166474B (de) 1960-09-17 1960-09-17 Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen

Country Status (6)

Country Link
AT (1) AT241816B (en, 2012)
BE (1) BE608221A (en, 2012)
CH (1) CH417962A (en, 2012)
DE (1) DE1166474B (en, 2012)
GB (1) GB940373A (en, 2012)
NL (1) NL269255A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633587A (en, 2012) * 1962-06-13

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766629A (en) * 1954-04-16 1957-01-23 Du Pont Improvements in or relating to the polymerisation of formaldehyde

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB766629A (en) * 1954-04-16 1957-01-23 Du Pont Improvements in or relating to the polymerisation of formaldehyde

Also Published As

Publication number Publication date
GB940373A (en) 1963-10-30
AT241816B (de) 1965-08-10
NL269255A (en, 2012)
CH417962A (de) 1966-07-31
BE608221A (fr) 1962-01-02

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