DE3775469D1 - Verfahren zur herstellung von polyacetalen. - Google Patents

Verfahren zur herstellung von polyacetalen.

Info

Publication number
DE3775469D1
DE3775469D1 DE8787201010T DE3775469T DE3775469D1 DE 3775469 D1 DE3775469 D1 DE 3775469D1 DE 8787201010 T DE8787201010 T DE 8787201010T DE 3775469 T DE3775469 T DE 3775469T DE 3775469 D1 DE3775469 D1 DE 3775469D1
Authority
DE
Germany
Prior art keywords
trioxane
hydrolysis
formaldehyde
pressure
polyacetals
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 - Fee Related
Application number
DE8787201010T
Other languages
English (en)
Inventor
Nicolas Hardy
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.)
Solvay SA
Original Assignee
Solvay SA
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 Solvay SA filed Critical Solvay SA
Application granted granted Critical
Publication of DE3775469D1 publication Critical patent/DE3775469D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
DE8787201010T 1986-06-06 1987-05-29 Verfahren zur herstellung von polyacetalen. Expired - Fee Related DE3775469D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8608330A FR2599744B1 (fr) 1986-06-06 1986-06-06 Procede pour la fabrication de polyacetals

Publications (1)

Publication Number Publication Date
DE3775469D1 true DE3775469D1 (de) 1992-02-06

Family

ID=9336163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787201010T Expired - Fee Related DE3775469D1 (de) 1986-06-06 1987-05-29 Verfahren zur herstellung von polyacetalen.

Country Status (7)

Country Link
US (1) US4806622A (de)
EP (1) EP0248487B1 (de)
JP (1) JPS62297309A (de)
KR (1) KR880000486A (de)
AT (1) ATE70846T1 (de)
DE (1) DE3775469D1 (de)
FR (1) FR2599744B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703790A1 (de) * 1987-02-07 1988-08-18 Hoechst Ag Kontinuierliches verfahren zur entfernung instabiler anteile aus rohem oxymethylencopolymerisat
DE10222163A1 (de) * 2002-05-17 2003-11-27 Basf Ag Verfahren zur Herstellung von reinem Trioxan
KR100893693B1 (ko) * 2008-10-27 2009-04-17 원진중공업 주식회사 고 순도의 트리옥산 및 폴리아세탈의 제조방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027352A (en) * 1958-02-28 1962-03-27 Celanese Corp Copolymers
BE602869A (de) * 1960-04-21
US3197437A (en) * 1960-08-17 1965-07-27 Celanese Corp Trioxane polymerization process
NL278419A (de) * 1961-05-19
DE1570335A1 (de) * 1965-02-17 1970-02-19 Celanese Corp Verfahren zur Herstellung von Oxymethylenpolymeren
DE2408481C3 (de) * 1974-02-22 1981-12-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung eines stabilisierten Oxymethylencopolymeren
US4087411A (en) * 1975-09-17 1978-05-02 Mitsubishi Gas Chemical Company, Inc. Process for preparing oxymethylene polymers
JPS5487792A (en) * 1977-12-24 1979-07-12 Mitsubishi Gas Chem Co Inc Polymerization of trioxane
US4458064A (en) * 1982-02-19 1984-07-03 Celanese Corporation Process and apparatus for continual melt hydrolysis of acetal copolymers

Also Published As

Publication number Publication date
ATE70846T1 (de) 1992-01-15
US4806622A (en) 1989-02-21
EP0248487B1 (de) 1991-12-27
EP0248487A1 (de) 1987-12-09
FR2599744A1 (fr) 1987-12-11
KR880000486A (ko) 1988-03-26
JPS62297309A (ja) 1987-12-24
FR2599744B1 (fr) 1988-09-23

Similar Documents

Publication Publication Date Title
DE59303861D1 (de) Verfahren zur Herstellung von Acrolein
ATE106376T1 (de) Verfahren zur herstellung von phenol und wiedergewinnung von propylen daraus.
DE59510263D1 (de) Verfahren zur herstellung von caprolactam
DE59811659D1 (de) Verfahren zur Herstellung eines Metallocen-Katalysatorsystems
ATE67486T1 (de) Verfahren zur herstellung von n-alkyl-n'-methyl- alkylenharnstoffen, insbesondere n,n'- dimethylalkylenharnstoffen.
DK141589A (da) Fremgangsmaade til fremstilling af sulfonsyregruppeholdige kondensationsprodukter med et ringe indhold af frit formaldehyd
DE3775469D1 (de) Verfahren zur herstellung von polyacetalen.
SE7600111L (sv) Sett att framstella flerkerniga aromatiska polyaminer
ATE205827T1 (de) Verfahren zur herstellung von caprolactam
DE69015659D1 (de) Verfahren zur Herstellung von Aluminoxan.
ATE293T1 (de) Verfahren zur gleichzeitigen herstellung von trioxan und cyclischen formalen.
DE3584638D1 (de) Verfahren zur herstellung von mikrokristalliner triacetylcellulose.
DE69413222T2 (de) Verfahren zur herstellung von sulfonierten melaminformaldehydharzen
ATE80870T1 (de) Verfahren zur herstellung von harnstoff.
DE69020035D1 (de) Verfahren zur Herstellung von Methylol-Hydentoinen.
DE69220221D1 (de) Verfahren zur durchfuehrung von chemischen reaktionen mit formaldehyd
Hardy Process for the Preparation of Polyacetals
DE3865792D1 (de) Verfahren zur herstellung von mit aromatischen systemen kondensierten triazolen.
FI853744L (fi) Polyfunktionell fenolisk reaktionsprodukt, foerfarande foer dess framstaellning och dess anvaendning.
ATE89824T1 (de) Verfahren zur herstellung von gemischen cyclischer acroleinglycerinacetale.
DE3879502D1 (de) Verfahren zur herstellung 1,4-disubstituierter 2-butene.
DE3781260T2 (de) Verfahren zur herstellung von aminoplastbindemitteln.
ATE60775T1 (de) Verfahren zur herstellung von alkaliphosphonoformiaten.
ATE53988T1 (de) Verfahren zur herstellung von 2,2dialkoxypropanen.
BR0110452A (pt) Processo para preparar um polìmero, polìmero, uso do mesmo, e fibras, estruturas semelhantes a chapa e peças moldadas

Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER PATENTINHABER LAUTET RICHTIG: SALVAY, BRUESSEL/BRUXELLES, BE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee