SE7907737L - Forfarande for framstellning av oximetylensampolymerformmassor - Google Patents

Forfarande for framstellning av oximetylensampolymerformmassor

Info

Publication number
SE7907737L
SE7907737L SE7907737A SE7907737A SE7907737L SE 7907737 L SE7907737 L SE 7907737L SE 7907737 A SE7907737 A SE 7907737A SE 7907737 A SE7907737 A SE 7907737A SE 7907737 L SE7907737 L SE 7907737L
Authority
SE
Sweden
Prior art keywords
polymerizate
heating
melt
oximethyl
procedure
Prior art date
Application number
SE7907737A
Other languages
Unknown language ( )
English (en)
Inventor
H Amann
G Morlock
H Trautwein
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of SE7907737L publication Critical patent/SE7907737L/sv

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
    • C08G2/28—Post-polymerisation treatments
SE7907737A 1978-09-19 1979-09-18 Forfarande for framstellning av oximetylensampolymerformmassor SE7907737L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2840679A DE2840679C2 (de) 1978-09-19 1978-09-19 Verfahren zur Herstellung von Oxymethylencopolymerisat-Formmassen mit geringem Anteil an Restformaldehyd

Publications (1)

Publication Number Publication Date
SE7907737L true SE7907737L (sv) 1980-03-20

Family

ID=6049816

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7907737A SE7907737L (sv) 1978-09-19 1979-09-18 Forfarande for framstellning av oximetylensampolymerformmassor

Country Status (12)

Country Link
US (1) US4225703A (sv)
JP (1) JPS5543191A (sv)
BE (1) BE878840A (sv)
DD (1) DD146055A5 (sv)
DE (1) DE2840679C2 (sv)
FR (1) FR2436796A1 (sv)
GB (1) GB2030576B (sv)
IT (1) IT1162421B (sv)
NL (1) NL7905636A (sv)
PL (1) PL116522B1 (sv)
SE (1) SE7907737L (sv)
SU (1) SU852177A3 (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55157617A (en) * 1979-05-28 1980-12-08 Mitsubishi Gas Chem Co Inc Thermal stabilization of oxymethylene copolymer
US4458064A (en) * 1982-02-19 1984-07-03 Celanese Corporation Process and apparatus for continual melt hydrolysis of acetal copolymers
JPS58167608A (ja) 1982-03-29 1983-10-03 Asahi Chem Ind Co Ltd 重合触媒失活法
JPS59227916A (ja) * 1983-06-08 1984-12-21 Polyplastics Co トリオキサンの重合体及び共重合体の製造法
JPS601216A (ja) * 1983-06-17 1985-01-07 Polyplastics Co トリオキサンの共重合体製造法
US4650692A (en) * 1985-11-01 1987-03-17 Ashland Oil, Inc. Metal-sulfonate/piperidine derivative combination protective coatings
CN1035510C (zh) * 1990-09-29 1997-07-30 化学工业部晨光化工研究院一分院 一步法聚甲醛熔融后处理工艺
US5822868A (en) * 1995-09-12 1998-10-20 Hna Holdings, Inc. Luminous flame of acetal polymers
JP3771008B2 (ja) * 1997-07-16 2006-04-26 ポリプラスチックス株式会社 分岐又は架橋ポリアセタール樹脂の製造方法
US20040063853A1 (en) * 1998-04-08 2004-04-01 Stefan Disch Polyoxymethylene moulding material with improved processing stability and a reduced emissions tendency

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1720271U (sv) 1900-01-01
US3147234A (en) 1958-02-28 1964-09-01 Celanese Corp Modified oxymethylene polymers
US3103499A (en) * 1959-04-02 1963-09-10 Thermal stabilization of oxymethylene
DE1794387U (de) 1959-05-29 1959-08-27 Alfred Dr Neff Oelbeheizter kuechenherd.
DE1246244C2 (de) * 1964-11-11 1976-04-01 Basf Ag, 6700 Ludwigshafen Verfahren zum aufarbeiten von copolymerisaten des trioxans
US3640928A (en) 1968-06-12 1972-02-08 Sankyo Co Stabilization of synthetic polymers
CH523087A (de) 1969-03-21 1972-05-31 Luwa Ag Dünnschichtbehandlungsapparat
US3960984A (en) * 1974-04-16 1976-06-01 E. I. Du Pont De Nemours And Company Composition of oxymethylene polymer and amide oligomers
DE2436384A1 (de) * 1974-07-29 1976-02-12 Basf Ag Verfahren zur entfernung von geruchsbildendem formaldehyd aus stabilisierten geformten polyoxymethylenen
DE2540207B1 (de) 1975-09-10 1976-11-18 Degussa Polyoxymethylen-Formmassen(I)

Also Published As

Publication number Publication date
PL218276A1 (sv) 1980-06-02
IT1162421B (it) 1987-04-01
JPS5543191A (en) 1980-03-26
US4225703A (en) 1980-09-30
DE2840679A1 (de) 1980-03-20
DE2840679C2 (de) 1982-03-18
IT7950275A0 (it) 1979-09-17
GB2030576B (en) 1982-12-22
GB2030576A (en) 1980-04-10
NL7905636A (nl) 1980-03-21
FR2436796A1 (fr) 1980-04-18
DD146055A5 (de) 1981-01-21
BE878840A (fr) 1980-03-17
PL116522B1 (en) 1981-06-30
SU852177A3 (ru) 1981-07-30

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