BR6803008D0 - Processo para melhorar a estabilidade termica de copolimerizados de trioxano - Google Patents

Processo para melhorar a estabilidade termica de copolimerizados de trioxano

Info

Publication number
BR6803008D0
BR6803008D0 BR203008/68A BR20300868A BR6803008D0 BR 6803008 D0 BR6803008 D0 BR 6803008D0 BR 203008/68 A BR203008/68 A BR 203008/68A BR 20300868 A BR20300868 A BR 20300868A BR 6803008 D0 BR6803008 D0 BR 6803008D0
Authority
BR
Brazil
Prior art keywords
copolimerized
trioxan
products
improve
thermal stability
Prior art date
Application number
BR203008/68A
Other languages
English (en)
Inventor
E Ricker
F Schmidt
E Schwartz
Original Assignee
Basf 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 claimed from DE1967B0094875 external-priority patent/DE1720311A1/de
Priority claimed from DE1967B0094873 external-priority patent/DE1720309B1/de
Application filed by Basf Ag filed Critical Basf Ag
Publication of BR6803008D0 publication Critical patent/BR6803008D0/pt

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
    • C08G2/36—Chemical modification by after-treatment by depolymerisation
    • 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
    • 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
    • C08G2/22—Copolymerisation of aldehydes or ketones with epoxy compounds
    • 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
    • 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
    • C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR203008/68A 1967-10-10 1968-10-10 Processo para melhorar a estabilidade termica de copolimerizados de trioxano BR6803008D0 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1967B0094875 DE1720311A1 (de) 1967-10-10 1967-10-10 Verfahren zum Verbessern der thermischen Stabilitaet von Copolymerisaten des Trioxans
DE1967B0094873 DE1720309B1 (de) 1967-10-10 1967-10-10 Verfahren zum thermischen Stabilisieren von Copolymerisaten des Trioxans

Publications (1)

Publication Number Publication Date
BR6803008D0 true BR6803008D0 (pt) 1973-01-11

Family

ID=25968378

Family Applications (1)

Application Number Title Priority Date Filing Date
BR203008/68A BR6803008D0 (pt) 1967-10-10 1968-10-10 Processo para melhorar a estabilidade termica de copolimerizados de trioxano

Country Status (9)

Country Link
US (1) US3640945A (pt)
AT (1) AT284442B (pt)
BE (1) BE721864A (pt)
BR (1) BR6803008D0 (pt)
CH (1) CH500241A (pt)
FR (1) FR1596592A (pt)
GB (1) GB1234056A (pt)
NL (1) NL6814466A (pt)
SE (1) SE363341B (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1076228B (it) * 1977-01-17 1985-04-27 Sir Soc Italiana Resine Spa Procedimento atto a migliorare la stabilita' degli omopolimeri acetalici eterificati
JPS54139697A (en) * 1978-04-21 1979-10-30 Asahi Chem Ind Co Ltd Preparation of stabilized polyoxymethylene
WO1993022359A1 (en) * 1992-04-24 1993-11-11 Hoechst Aktiengesellschaft Process for producing thermally stable polyoxymethylene copolymers and their use

Also Published As

Publication number Publication date
NL6814466A (pt) 1969-04-14
SE363341B (pt) 1974-01-14
US3640945A (en) 1972-02-08
CH500241A (de) 1970-12-15
FR1596592A (pt) 1970-06-22
GB1234056A (pt) 1971-06-03
AT284442B (de) 1970-09-10
BE721864A (pt) 1969-04-04

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