SE7907737L - Forfarande for framstellning av oximetylensampolymerformmassor - Google Patents

Forfarande for framstellning av oximetylensampolymerformmassor

Info

Publication number: SE7907737L
Authority: SE; Sweden
Prior art keywords: polymerizate; heating; melt; oximethyl; procedure
Prior art date: 1978-09-19

Application number

SE7907737A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

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.)

1978-09-19

Filing date

1979-09-18

Publication date

1980-03-20

1979-09-18 Application filed by Degussa filed Critical Degussa

1980-03-20 Publication of SE7907737L publication Critical patent/SE7907737L/

Links

229920001577 copolymer Polymers 0.000 title abstract 2
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
238000010438 heat treatment Methods 0.000 abstract 2
239000007789 gas Substances 0.000 abstract 1
239000000155 melt Substances 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
238000000465 moulding Methods 0.000 abstract 1
239000003381 stabilizer Substances 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1

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

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)
Soundproofing, Sound Blocking, And Sound Damping (AREA)
Phenolic Resins Or Amino Resins (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

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

Families Citing this family (11)

* 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
CN114058152B (zh) *	2021-12-13	2024-07-05	重庆云天化天聚新材料有限公司	一种共聚甲醛树脂组合物及制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1720271U (fr)		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)

1978
- 1978-09-19 DE DE2840679A patent/DE2840679C2/de not_active Expired
1979
- 1979-07-09 FR FR7917713A patent/FR2436796A1/fr not_active Withdrawn
- 1979-07-09 SU SU792783204A patent/SU852177A3/ru active
- 1979-07-19 NL NL7905636A patent/NL7905636A/nl not_active Application Discontinuation
- 1979-09-11 US US06/074,766 patent/US4225703A/en not_active Expired - Lifetime
- 1979-09-12 GB GB7931605A patent/GB2030576B/en not_active Expired
- 1979-09-13 PL PL1979218276A patent/PL116522B1/pl unknown
- 1979-09-14 DD DD79215564A patent/DD146055A5/de unknown
- 1979-09-17 IT IT50275/79A patent/IT1162421B/it active
- 1979-09-17 BE BE6/46945A patent/BE878840A/fr not_active IP Right Cessation
- 1979-09-18 SE SE7907737A patent/SE7907737L/ not_active Application Discontinuation
- 1979-09-19 JP JP11943779A patent/JPS5543191A/ja active Pending

Also Published As

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

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Legal Events

Date

Code

Title

Description

1995-02-28

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