DE3474028D1 - Method of manufacturing a copolymer of trioxane - Google Patents

Method of manufacturing a copolymer of trioxane

Info

Publication number
DE3474028D1
DE3474028D1 DE8484303812T DE3474028T DE3474028D1 DE 3474028 D1 DE3474028 D1 DE 3474028D1 DE 8484303812 T DE8484303812 T DE 8484303812T DE 3474028 T DE3474028 T DE 3474028T DE 3474028 D1 DE3474028 D1 DE 3474028D1
Authority
DE
Germany
Prior art keywords
trioxane
copolymer
manufacturing
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
Application number
DE8484303812T
Other languages
English (en)
Inventor
Takuzo Kasuga
Takeshi Asano
Yukio Ikenaga
Masami Yamawaki
Yasuyuki Takeda
Koichi Ichimura
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.)
Polyplastics Co Ltd
Original Assignee
Polyplastics Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14500383&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3474028(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Polyplastics Co Ltd filed Critical Polyplastics Co Ltd
Application granted granted Critical
Publication of DE3474028D1 publication Critical patent/DE3474028D1/de
Expired 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
    • 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
    • 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)
DE8484303812T 1983-06-17 1984-06-06 Method of manufacturing a copolymer of trioxane Expired DE3474028D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58109052A JPS601216A (ja) 1983-06-17 1983-06-17 トリオキサンの共重合体製造法

Publications (1)

Publication Number Publication Date
DE3474028D1 true DE3474028D1 (en) 1988-10-20

Family

ID=14500383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303812T Expired DE3474028D1 (en) 1983-06-17 1984-06-06 Method of manufacturing a copolymer of trioxane

Country Status (7)

Country Link
US (1) US4547565A (de)
EP (1) EP0129369B2 (de)
JP (1) JPS601216A (de)
KR (1) KR900000374B1 (de)
AU (1) AU566430B2 (de)
CA (1) CA1226394A (de)
DE (1) DE3474028D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0737504B2 (ja) * 1987-12-25 1995-04-26 ポリプラスチックス株式会社 アセタール重合体又は共重合体の製造法
JPH0730149B2 (ja) * 1988-06-13 1995-04-05 ポリプラスチックス株式会社 アセタール重合体又は共重合体の製造法
DE19581289C2 (de) * 1994-02-28 2001-02-01 Asahi Chemical Ind Verfahren zur Herstellung eines Acetal-Copolymeren
JP4433137B2 (ja) * 2003-02-18 2010-03-17 三菱瓦斯化学株式会社 環状ホルマールの保存方法
DE102004025366A1 (de) 2004-05-19 2005-12-15 Basf Ag Verfahren zur Enfernung von Restmonomeren aus Polyoxymethylenen
EP2066710B1 (de) 2006-09-12 2011-01-19 Basf Se Ionische flüssigkeiten bei der pom-herstellung
CA2707613A1 (en) 2007-12-19 2009-06-25 Basf Se Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanol
JP5389468B2 (ja) * 2009-02-16 2014-01-15 三菱エンジニアリングプラスチックス株式会社 ポリアセタール樹脂組成物の製造方法
KR20140121473A (ko) 2012-02-02 2014-10-15 바스프 에스이 열가소성 ｐｏｍ 조성물
WO2013113879A1 (de) 2012-02-02 2013-08-08 Basf Se Polyoxymethylencopolymere
WO2013172270A1 (ja) * 2012-05-14 2013-11-21 三菱瓦斯化学株式会社 オキシメチレン共重合体の製造方法
TW201500443A (zh) 2013-04-18 2015-01-01 Basf Se 聚甲醛共聚物及熱塑性ｐｏｍ組成物
US10961384B2 (en) 2014-05-21 2021-03-30 Basf Se Process for improving the flexural toughness of moldings
EP3148728B1 (de) 2014-06-02 2024-02-21 Basf Se Verfahren zur herstellung von gesinterten formteilen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989506A (en) * 1957-10-21 1961-06-20 Celanese Corp Catalytic polymerization
US3252940A (en) * 1962-03-20 1966-05-24 Ethyl Corp Production of trioxane polymers with cationic exchange material as catalyst
FR1419666A (fr) * 1963-08-14 1965-12-03 Ici Ltd Procédé de fabrication d'un copolymère contenant des motifs oxyméthylène
US3436375A (en) * 1965-12-14 1969-04-01 Celanese Corp Preparation of oxymethylene polymers in the presence of polyhydric compounds
US3513223A (en) * 1967-11-13 1970-05-19 Celanese Corp Phenol-formaldehyde resins in needle form
JPS5158492A (ja) * 1974-11-18 1976-05-21 Shinetsu Chemical Co Horumuarudehidokeijugotaino seizohoho
JPS5386794A (en) * 1976-11-29 1978-07-31 Mitsubishi Gas Chem Co Inc Continuous polymerization
DE2840679C2 (de) * 1978-09-19 1982-03-18 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von Oxymethylencopolymerisat-Formmassen mit geringem Anteil an Restformaldehyd
JPS5550485A (en) * 1978-10-04 1980-04-12 Toyo Kohan Co Ltd Original tin plate
JPS5659824A (en) * 1979-10-23 1981-05-23 Mitsubishi Gas Chem Co Inc Continuous polymerization of trioxane

Also Published As

Publication number Publication date
JPS601216A (ja) 1985-01-07
US4547565A (en) 1985-10-15
JPS6213369B2 (de) 1987-03-26
CA1226394A (en) 1987-09-01
EP0129369B1 (de) 1988-09-14
EP0129369B2 (de) 1992-04-15
KR850000497A (ko) 1985-02-27
AU2919584A (en) 1984-12-20
KR900000374B1 (ko) 1990-01-25
EP0129369A1 (de) 1984-12-27
AU566430B2 (en) 1987-10-22

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee