KR930003018B1 - 폴리옥시메틸렌 공중합체의 개량된 안정화방법 - Google Patents
폴리옥시메틸렌 공중합체의 개량된 안정화방법 Download PDFInfo
- Publication number
- KR930003018B1 KR930003018B1 KR1019870012820A KR870012820A KR930003018B1 KR 930003018 B1 KR930003018 B1 KR 930003018B1 KR 1019870012820 A KR1019870012820 A KR 1019870012820A KR 870012820 A KR870012820 A KR 870012820A KR 930003018 B1 KR930003018 B1 KR 930003018B1
- Authority
- KR
- South Korea
- Prior art keywords
- copolymer
- weight
- treatment
- steam
- stabilizing
- 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 - Fee Related
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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/22—Di-epoxy compounds
- C08G59/30—Di-epoxy compounds containing atoms other than carbon, hydrogen, oxygen and nitrogen
-
- 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)
- Epoxy Resins (AREA)
- Polyethers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61-269525 | 1986-11-14 | ||
| JP269525 | 1986-11-14 | ||
| JP61269525A JPH0759615B2 (ja) | 1986-11-14 | 1986-11-14 | ポリオキシメチレン共重合体の改良された安定化方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880006274A KR880006274A (ko) | 1988-07-22 |
| KR930003018B1 true KR930003018B1 (ko) | 1993-04-16 |
Family
ID=17473602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870012820A Expired - Fee Related KR930003018B1 (ko) | 1986-11-14 | 1987-11-13 | 폴리옥시메틸렌 공중합체의 개량된 안정화방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4814424A (enExample) |
| JP (1) | JPH0759615B2 (enExample) |
| KR (1) | KR930003018B1 (enExample) |
| DE (1) | DE3738632A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3703790A1 (de) * | 1987-02-07 | 1988-08-18 | Hoechst Ag | Kontinuierliches verfahren zur entfernung instabiler anteile aus rohem oxymethylencopolymerisat |
| JP3304391B2 (ja) * | 1992-04-27 | 2002-07-22 | ポリプラスチックス株式会社 | ポリオキシメチレン樹脂製押出成形品並びにその製造法 |
| JP2769287B2 (ja) * | 1994-02-22 | 1998-06-25 | 旭化成工業株式会社 | モ−ルドデポジットの改良されたポリアセタ−ル樹脂組成物の成形方法 |
| DE4409744C2 (de) * | 1994-03-22 | 2000-12-21 | Basf Ag | Verfahren zur Aufarbeitung von rohem Polyoxymethylen |
| SG53008A1 (en) * | 1996-07-11 | 1998-09-28 | Asahi Chemical Ind | Boron trilflouride complex compound for polymerization of trioxane |
| DE19936715A1 (de) * | 1999-08-06 | 2001-02-15 | Ticona Gmbh | Emissionsarme eingefärbte Polyoxymethylen-Formmassen |
| 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 |
| CN100335806C (zh) | 2001-09-21 | 2007-09-05 | 索尼公司 | 轴承装置及利用该轴承装置的马达 |
| WO2004063582A1 (ja) | 2003-01-10 | 2004-07-29 | Sony Corporation | 軸受ユニット及びこの軸受ユニットを用いた回転駆動装置 |
| US8413295B2 (en) * | 2008-08-27 | 2013-04-09 | Glenn Campbell | Caster wheel system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1223552B (de) * | 1964-06-26 | 1966-08-25 | Hoechst Ag | Verfahren zum Stabilisieren von Copolymerisaten aus Trioxan |
| US4181685A (en) * | 1971-01-15 | 1980-01-01 | Hoechst Aktiengesellschaft | Thermoplastic molding compositions on the basis of polyoxymethylenes |
| DE2150038C3 (de) * | 1971-10-07 | 1979-04-12 | Hoechst Ag, 6000 Frankfurt | Thermoplastische Formmassen auf Polyoxymethylenbasis |
| US3925505A (en) * | 1972-08-16 | 1975-12-09 | Hoechst Ag | Thermoplastic molding composition based on poly (oxymethylenes) |
| JPS55157617A (en) * | 1979-05-28 | 1980-12-08 | Mitsubishi Gas Chem Co Inc | Thermal stabilization of oxymethylene copolymer |
| DE2947490A1 (de) * | 1979-11-24 | 1981-06-04 | Hoechst Ag, 6000 Frankfurt | Polyoxymethylenfibride und verfahren zu ihrer herstellung |
| JPS58167608A (ja) * | 1982-03-29 | 1983-10-03 | Asahi Chem Ind Co Ltd | 重合触媒失活法 |
-
1986
- 1986-11-14 JP JP61269525A patent/JPH0759615B2/ja not_active Expired - Fee Related
-
1987
- 1987-11-13 DE DE19873738632 patent/DE3738632A1/de active Granted
- 1987-11-13 US US07/120,314 patent/US4814424A/en not_active Expired - Fee Related
- 1987-11-13 KR KR1019870012820A patent/KR930003018B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3738632A1 (de) | 1988-05-26 |
| JPH0759615B2 (ja) | 1995-06-28 |
| JPS63125517A (ja) | 1988-05-28 |
| DE3738632C2 (enExample) | 1992-11-12 |
| KR880006274A (ko) | 1988-07-22 |
| US4814424A (en) | 1989-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100362033C (zh) | 聚甲醛的制备方法 | |
| KR930003018B1 (ko) | 폴리옥시메틸렌 공중합체의 개량된 안정화방법 | |
| JP3017376B2 (ja) | 高重合度ポリオキシメチレン3元共重合体の製造方法 | |
| CN101273073A (zh) | 制备聚甲醛均聚物或共聚物的方法 | |
| US3442864A (en) | Formals of norbornane-2,7-diols and copolymers thereof with trioxane | |
| US5344911A (en) | Process for producing polyoxymethylene copolymer having reduced amount of unstable terminal groups | |
| US7943726B2 (en) | Process for preparation of oxymethylene polymers in a homogeneous phase, and use | |
| US7812110B2 (en) | Process for preparation of oxymethylene polymers, selected polymers, and their use | |
| KR20070119697A (ko) | 폴리옥시메틸렌으로부터의 잔여 단량체의 제거 방법 | |
| US20060252912A1 (en) | Process for preparing polyoxymethylene homo- and copolymers and apparatus suitable for this purpose | |
| WO1995027747A1 (en) | Process for producing stabilized oxymethylene copolymer | |
| CN101346404A (zh) | 制备甲醛聚合物的方法、选择的聚合物和它们的用途 | |
| JPH08325341A (ja) | オキシメチレン共重合体の製造方法 | |
| US8354495B2 (en) | Process for the preparation of oxymethylene polymers and apparatus suitable for this purpose | |
| JPH055017A (ja) | ポリオキシメチレン共重合体及びその製法 | |
| JP3230554B2 (ja) | 色調と熱安定性に優れたポリオキシメチレンの製法 | |
| JPS62129311A (ja) | オキシメチレン共重合体の製造方法 | |
| CN101155846B (zh) | 制备聚甲醛均聚物和共聚物的方法和适用于该目的的设备 | |
| JP2948015B2 (ja) | 高重合度ポリオキシメチレン共重合体の製造方法 | |
| US3466262A (en) | Alkaline degradation of oxymethylene polymer in the presence of a solution of formaldehyde | |
| JPH07228649A (ja) | ポリオキシメチレンコポリマーの製造方法 | |
| JPH11228651A (ja) | ポリアセタール共重合体の製造法 | |
| JP2001329032A (ja) | オキシメチレン共重合体の製造方法 | |
| JP2002097240A (ja) | 重合体の製造方法 | |
| WO2023136006A1 (ja) | ポリアセタール重合体の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
St.27 status event code: A-2-2-Q10-Q13-nap-PG1605 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
Fee payment year number: 1 St.27 status event code: A-2-2-U10-U11-oth-PR1002 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| PC1903 | Unpaid annual fee |
Not in force date: 19960417 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE St.27 status event code: A-4-4-U10-U13-oth-PC1903 |
|
| PC1903 | Unpaid annual fee |
Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 19960417 St.27 status event code: N-4-6-H10-H13-oth-PC1903 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |