GB994254A - A process for the preparation of acylated high molecular weight polyoxymethylenes - Google Patents

A process for the preparation of acylated high molecular weight polyoxymethylenes

Info

Publication number
GB994254A
GB994254A GB5137863A GB5137863A GB994254A GB 994254 A GB994254 A GB 994254A GB 5137863 A GB5137863 A GB 5137863A GB 5137863 A GB5137863 A GB 5137863A GB 994254 A GB994254 A GB 994254A
Authority
GB
United Kingdom
Prior art keywords
polyoxymethylene
acetic anhydride
preparation
molecular weight
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.)
Expired
Application number
GB5137863A
Other languages
English (en)
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
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB994254A publication Critical patent/GB994254A/en
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
    • C08G2/30—Chemical modification by after-treatment
    • C08G2/32—Chemical modification by after-treatment by esterification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04—Pressure vessels, e.g. autoclaves
    • B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube
    • 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
    • C08G2/18—Copolymerisation of aldehydes or ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
GB5137863A 1963-01-03 1963-12-31 A process for the preparation of acylated high molecular weight polyoxymethylenes Expired GB994254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF38704A DE1182823B (de) 1963-01-03 1963-01-03 Verfahren zum Acylieren von hochmolekularen Polyoxymethylenen

Publications (1)

Publication Number Publication Date
GB994254A true GB994254A (en) 1965-06-02

Family

ID=7097462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5137863A Expired GB994254A (en) 1963-01-03 1963-12-31 A process for the preparation of acylated high molecular weight polyoxymethylenes

Country Status (6)

Country Link
AT (1) AT249368B (es)
BE (1) BE641923A (es)
CH (1) CH434750A (es)
DE (1) DE1182823B (es)
GB (1) GB994254A (es)
NL (1) NL301909A (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL196512A (es) * 1954-04-16
BE586592A (es) * 1959-01-16

Also Published As

Publication number Publication date
BE641923A (es) 1964-04-16
CH434750A (de) 1967-04-30
AT249368B (de) 1966-09-26
DE1182823B (de) 1964-12-03
NL301909A (es)

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