AU566675B2 - Polyacetal treatment - Google Patents
Polyacetal treatmentInfo
- Publication number
- AU566675B2 AU566675B2 AU32946/84A AU3294684A AU566675B2 AU 566675 B2 AU566675 B2 AU 566675B2 AU 32946/84 A AU32946/84 A AU 32946/84A AU 3294684 A AU3294684 A AU 3294684A AU 566675 B2 AU566675 B2 AU 566675B2
- Authority
- AU
- Australia
- Prior art keywords
- polyacetal
- treatment
- crude polyacetal
- once molten
- polyacetal polymers
- 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.)
- Ceased
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
- C08G2/18—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
- C08G2/28—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)
- Polyurethanes Or Polyureas (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polyethers (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58170989A JPS6063216A (ja) | 1983-09-16 | 1983-09-16 | 熱安定性,成形性の改良されたポリアセタ−ル重合体の製造法 |
JP58-170989 | 1983-09-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3294684A AU3294684A (en) | 1985-03-21 |
AU566675B2 true AU566675B2 (en) | 1987-10-29 |
Family
ID=15915057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU32946/84A Ceased AU566675B2 (en) | 1983-09-16 | 1984-09-12 | Polyacetal treatment |
Country Status (8)
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6060121A (ja) * | 1983-09-12 | 1985-04-06 | Polyplastics Co | 改良されたポリアセタ−ル重合体の製造法 |
JPH0739453B2 (ja) * | 1987-12-11 | 1995-05-01 | 宇部興産株式会社 | オキシメチレン共重合体の安定化法 |
US6365655B1 (en) | 1997-03-26 | 2002-04-02 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for stabilizing oxymethylene copolymer |
DE19815663B4 (de) * | 1998-04-08 | 2010-09-09 | Ticona Gmbh | Verwendung von Polyoxymethylen-Formmassen mit verbesserter Verarbeitungsstabilität und verminderter Emissionsneigung zur Herstellung von Formteilen |
CN1133675C (zh) * | 1998-09-24 | 2004-01-07 | 旭化成株式会社 | 聚氧亚甲基共聚物及其组合物 |
KR100574165B1 (ko) * | 2004-10-08 | 2006-04-27 | 한국엔지니어링플라스틱 주식회사 | 열안정성이 우수한 폴리옥시메틸렌 수지 조성물 |
WO2006098251A1 (ja) | 2005-03-15 | 2006-09-21 | Polyplastics Co., Ltd. | 不安定末端基分解処理剤、それを用いた安定化ポリアセタール樹脂、製造方法、組成物及び成形体 |
DE102005062326A1 (de) * | 2005-12-24 | 2007-06-28 | Ticona Gmbh | Verfahren zur Herstellung von Oxymethylen-Polymeren, ausgewählte Polymere und deren Verwendung |
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 |
KR101646977B1 (ko) | 2014-11-11 | 2016-08-09 | 한국엔지니어링플라스틱 주식회사 | 열안정성이 우수한 폴리옥시메틸렌 수지 조성물 |
US11981772B2 (en) | 2018-09-14 | 2024-05-14 | Asahi Kasei Kabushiki Kaisha | Polyoxymethylene and method of producing same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL267211A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1957-02-23 | |||
GB1053119A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1963-04-24 | |||
US4151346A (en) * | 1975-02-28 | 1979-04-24 | Hoechst Aktiengesellschaft | Process for preparing oxymethylene polymers in a granular form |
IT1076228B (it) * | 1977-01-17 | 1985-04-27 | Sir Soc Italiana Resine Spa | Procedimento atto a migliorare la stabilita' degli omopolimeri acetalici eterificati |
US4458064A (en) * | 1982-02-19 | 1984-07-03 | Celanese Corporation | Process and apparatus for continual melt hydrolysis of acetal copolymers |
CA1198246A (en) * | 1982-02-19 | 1985-12-17 | Ananda M. Chatterjee | Process and apparatus for continual melt hydrolysis of acetal copolymers |
-
1983
- 1983-09-16 JP JP58170989A patent/JPS6063216A/ja active Granted
-
1984
- 1984-09-11 US US06/649,450 patent/US4622385A/en not_active Expired - Lifetime
- 1984-09-12 EP EP84110908A patent/EP0140099B1/en not_active Expired - Lifetime
- 1984-09-12 AU AU32946/84A patent/AU566675B2/en not_active Ceased
- 1984-09-12 AT AT84110908T patent/ATE61605T1/de not_active IP Right Cessation
- 1984-09-12 DE DE8484110908T patent/DE3484261D1/de not_active Expired - Lifetime
- 1984-09-14 CA CA000463165A patent/CA1226698A/en not_active Expired
- 1984-09-14 KR KR1019840005606A patent/KR880000658B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1226698A (en) | 1987-09-08 |
DE3484261D1 (de) | 1991-04-18 |
EP0140099A2 (en) | 1985-05-08 |
KR850002574A (ko) | 1985-05-15 |
AU3294684A (en) | 1985-03-21 |
EP0140099A3 (en) | 1987-10-28 |
JPS6324610B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-05-21 |
ATE61605T1 (de) | 1991-03-15 |
EP0140099B1 (en) | 1991-03-13 |
KR880000658B1 (ko) | 1988-04-20 |
US4622385A (en) | 1986-11-11 |
JPS6063216A (ja) | 1985-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |