DK110145C - Fremgangsmåde til forøgelse af stabiliteten mod termisk nedbrydning af en sædvanligvis fast oxymethylenpolymer. - Google Patents

Fremgangsmåde til forøgelse af stabiliteten mod termisk nedbrydning af en sædvanligvis fast oxymethylenpolymer.

Info

Publication number
DK110145C
DK110145C DK161961AA DK161961A DK110145C DK 110145 C DK110145 C DK 110145C DK 161961A A DK161961A A DK 161961AA DK 161961 A DK161961 A DK 161961A DK 110145 C DK110145 C DK 110145C
Authority
DK
Denmark
Prior art keywords
increasing
thermal degradation
stability against
against thermal
usually solid
Prior art date
Application number
DK161961AA
Other languages
Danish (da)
English (en)
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Application granted granted Critical
Publication of DK110145C publication Critical patent/DK110145C/da

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
    • C08G2/18—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
    • C08G2/30—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
    • 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

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)
  • Compositions Of Macromolecular Compounds (AREA)
DK161961AA 1960-04-21 1961-04-21 Fremgangsmåde til forøgelse af stabiliteten mod termisk nedbrydning af en sædvanligvis fast oxymethylenpolymer. DK110145C (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2365860A 1960-04-21 1960-04-21
US10209761A 1961-04-11 1961-04-11
US102096A US3174948A (en) 1960-04-21 1961-04-11 Stabilization of oxymethylene copolymers

Publications (1)

Publication Number Publication Date
DK110145C true DK110145C (da) 1969-07-07

Family

ID=27362142

Family Applications (1)

Application Number Title Priority Date Filing Date
DK161961AA DK110145C (da) 1960-04-21 1961-04-21 Fremgangsmåde til forøgelse af stabiliteten mod termisk nedbrydning af en sædvanligvis fast oxymethylenpolymer.

Country Status (10)

Country Link
US (1) US3174948A (nl)
BE (1) BE602869A (nl)
CH (1) CH423240A (nl)
DE (1) DE1795570A1 (nl)
DK (1) DK110145C (nl)
FI (1) FI42634C (nl)
FR (1) FR1287151A (nl)
GB (1) GB986925A (nl)
NL (2) NL263823A (nl)
SE (1) SE313672C (nl)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL99706C (nl) * 1957-02-23
US3318848A (en) * 1963-06-20 1967-05-09 Celanese Corp Melt hydrolysis of oxymethylene copolymers
BE602765A (nl) * 1960-04-21
BE628412A (nl) * 1962-02-14
GB1053119A (nl) * 1963-04-24
GB1059581A (en) * 1963-05-07 1967-02-22 Ici Ltd New pyridinium salts
DE1246245B (de) * 1963-10-26 1967-08-03 Bayer Ag Verfahren zur Herstellung von Copolymerisaten des Trioxans
DE1223552B (de) * 1964-06-26 1966-08-25 Hoechst Ag Verfahren zum Stabilisieren von Copolymerisaten aus Trioxan
DE1224493B (de) * 1964-06-26 1966-09-08 Hoechst Ag Verfahren zum Stabilisieren von Copolymerisaten aus Trioxan
US3419529A (en) * 1964-09-29 1968-12-31 Celanese Corp Stabilization of oxymethylene copolymers
US3428605A (en) * 1964-09-30 1969-02-18 Celanese Corp Stabilization of oxymethylene copolymers
DE1570385B1 (de) * 1964-09-30 1970-12-23 Celanese Corp Verfahren zur thermischen Stabilisierung von bei Normalbedingungen festen Oxymethylencopolymerisaten
US3418280A (en) * 1964-12-31 1968-12-24 Celanese Corp Stabilization of oxymethylene copolymers by alkaline hydrolysis
US3477993A (en) * 1966-04-01 1969-11-11 Du Pont Vapor-phase base clean-up of polyoxymethylene
GB1151762A (en) * 1966-06-24 1969-05-14 British Industrial Plastics Treatment of Oxymethylene Polymers
DE1720309B1 (de) * 1967-10-10 1972-03-23 Basf Ag Verfahren zum thermischen Stabilisieren von Copolymerisaten des Trioxans
DE1720509B1 (de) * 1967-10-19 1971-10-21 Degussa Verfahren zum thermischen stabilisieren von oxymethylencopolymemerisaten
US3666714A (en) * 1968-11-15 1972-05-30 Karl Heinz Hafner Polyacetals stabilized with secondary alkali metal phosphates
DE2620017C3 (de) * 1976-05-06 1979-05-31 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von grobkörnigen Oxymethylenpolymeren
DE2818240A1 (de) * 1978-04-26 1979-11-08 Hoechst Ag Thermoplastische formmassen auf basis von polyoxymethylenen
CA1198246A (en) * 1982-02-19 1985-12-17 Ananda M. Chatterjee Process and apparatus for continual melt hydrolysis of acetal copolymers
FR2586418B1 (fr) * 1985-08-26 1987-11-20 Solvay Procede pour la fabrication de copolymeres oxymethyleniques thermiquement stables
US4613634A (en) * 1985-09-13 1986-09-23 Celanese Corporation Low warp filled polyoxymethylene compositions
FR2599744B1 (fr) * 1986-06-06 1988-09-23 Solvay Procede pour la fabrication de polyacetals
DE10242186B4 (de) * 2002-09-10 2013-05-29 Ticona Gmbh Formkörper umfassend Polyacetale, Verfahren zur Herstellung dieser Formkörper sowie deren Verwendung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2732370A (en) * 1956-01-24 Polymers
US2399456A (en) * 1943-01-21 1946-04-30 Du Pont Plasticized polyvinyl compositions
US2921047A (en) * 1956-06-20 1960-01-12 Union Carbide Corp Stabilized poly(ethylene oxide) composition
US2920059A (en) * 1957-04-08 1960-01-05 Du Pont Stabilization of polyoxymethylenes with aromatic amines
DE1249510B (nl) * 1957-09-06 1967-09-07
US2989509A (en) * 1957-10-21 1961-06-20 Celanese Corp Trioxane polymer stabilization
US3027352A (en) * 1958-02-28 1962-03-27 Celanese Corp Copolymers
US3103499A (en) * 1959-04-02 1963-09-10 Thermal stabilization of oxymethylene

Also Published As

Publication number Publication date
GB986925A (en) 1965-03-24
BE602869A (nl)
SE313672C (sv) 1973-07-09
DE1795570A1 (de) 1972-02-03
FI42634B (nl) 1970-06-01
DE1445294A1 (de) 1968-11-14
NL263823A (nl)
US3174948A (en) 1965-03-23
DE1445294B2 (de) 1970-01-08
NL130782C (nl)
FI42634C (fi) 1970-09-14
FR1287151A (fr) 1962-03-09
SE313672B (sv) 1969-08-18
CH423240A (fr) 1966-10-31

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