JPH0542961B2 - - Google Patents
Info
- Publication number
- JPH0542961B2 JPH0542961B2 JP60116290A JP11629085A JPH0542961B2 JP H0542961 B2 JPH0542961 B2 JP H0542961B2 JP 60116290 A JP60116290 A JP 60116290A JP 11629085 A JP11629085 A JP 11629085A JP H0542961 B2 JPH0542961 B2 JP H0542961B2
- Authority
- JP
- Japan
- Prior art keywords
- trioxane
- reaction
- polymerization
- comonomer
- polymerization catalyst
- 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 - Lifetime
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
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60116290A JPS61275320A (ja) | 1985-05-29 | 1985-05-29 | オキシメチレン共重合体の製造方法 |
DE19863617754 DE3617754A1 (de) | 1985-05-29 | 1986-05-27 | Verfahren zur herstellung eines oxymethylencopolymeren |
US06/866,959 US4681927A (en) | 1985-05-29 | 1986-05-27 | Process for producing oxymethylene copolyer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60116290A JPS61275320A (ja) | 1985-05-29 | 1985-05-29 | オキシメチレン共重合体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61275320A JPS61275320A (ja) | 1986-12-05 |
JPH0542961B2 true JPH0542961B2 (en, 2012) | 1993-06-30 |
Family
ID=14683385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60116290A Granted JPS61275320A (ja) | 1985-05-29 | 1985-05-29 | オキシメチレン共重合体の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4681927A (en, 2012) |
JP (1) | JPS61275320A (en, 2012) |
DE (1) | DE3617754A1 (en, 2012) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3208377B2 (ja) * | 1997-08-22 | 2001-09-10 | ポリプラスチックス株式会社 | ポリアセタール樹脂の連続製造方法 |
US6433128B2 (en) * | 2000-05-22 | 2002-08-13 | Mitsubishi Gas Chemical Co, Inc. | Process for producing oxymethylene copolymer |
DE60220479T2 (de) | 2001-03-27 | 2008-02-07 | Mitsubishi Gas Chemical Co., Inc. | Poloxymethylencopolymer und daraus hergestelltes formteil |
JP2002309063A (ja) * | 2001-04-09 | 2002-10-23 | Mitsubishi Gas Chem Co Inc | ポリオキシメチレン樹脂組成物 |
JP2002309061A (ja) * | 2001-04-09 | 2002-10-23 | Mitsubishi Gas Chem Co Inc | ポリオキシメチレン樹脂組成物 |
US11197850B2 (en) | 2017-02-23 | 2021-12-14 | Shanghai Synergy Pharmaceutical Sciences Co., Ltd. | Powder injection of the donepezil semi palmoxiric acid salt, composition containing same and preparation method therefor |
TWI747322B (zh) * | 2019-06-11 | 2021-11-21 | 日商三菱瓦斯化學股份有限公司 | 甲醛聚合物之製造方法及甲醛聚合物樹脂組成物 |
CN112175173B (zh) * | 2020-10-09 | 2022-04-19 | 中国科学技术大学 | 一种烯烃插入率可控的可降解聚α-烯烃材料的制备方法 |
JPWO2023026907A1 (en, 2012) * | 2021-08-24 | 2023-03-02 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1495495A1 (de) * | 1959-08-29 | 1969-12-18 | Degussa | Verfahren zur Herstellung von Copolymerisaten des Trioxans |
NL275486A (en, 2012) * | 1961-03-04 | |||
JPS5386794A (en) * | 1976-11-29 | 1978-07-31 | Mitsubishi Gas Chem Co Inc | Continuous polymerization |
JPS55164212A (en) * | 1979-05-18 | 1980-12-20 | Mitsubishi Gas Chem Co Inc | Continuous polymerization of oxymethylene (co) polymer |
DE3147309A1 (de) * | 1981-11-28 | 1983-06-01 | Basf Ag, 6700 Ludwigshafen | Kontinuierliches verfahren zur herstellung von oxymethylenpolymeren |
DE3149321C1 (de) * | 1981-12-12 | 1983-01-13 | Degussa Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Homopolymerisation oder Copolymerisation von Trioxan |
JPS61209217A (ja) * | 1985-03-14 | 1986-09-17 | Japan Synthetic Rubber Co Ltd | オキシメチレン共重合体の製造方法 |
-
1985
- 1985-05-29 JP JP60116290A patent/JPS61275320A/ja active Granted
-
1986
- 1986-05-27 DE DE19863617754 patent/DE3617754A1/de active Granted
- 1986-05-27 US US06/866,959 patent/US4681927A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4681927A (en) | 1987-07-21 |
DE3617754C2 (en, 2012) | 1989-09-21 |
DE3617754A1 (de) | 1986-12-04 |
JPS61275320A (ja) | 1986-12-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |