TWI263658B - Polyformaldehyde resin ramp - Google Patents
Polyformaldehyde resin ramp Download PDFInfo
- Publication number
- TWI263658B TWI263658B TW091137182A TW91137182A TWI263658B TW I263658 B TWI263658 B TW I263658B TW 091137182 A TW091137182 A TW 091137182A TW 91137182 A TW91137182 A TW 91137182A TW I263658 B TWI263658 B TW I263658B
- Authority
- TW
- Taiwan
- Prior art keywords
- ramp
- polymer
- polyformaldehyde resin
- polyformaldehyde
- slidability
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001391258 | 2001-12-25 | ||
JP2002223034 | 2002-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200301284A TW200301284A (en) | 2003-07-01 |
TWI263658B true TWI263658B (en) | 2006-10-11 |
Family
ID=26625240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW091137182A TWI263658B (en) | 2001-12-25 | 2002-12-24 | Polyformaldehyde resin ramp |
Country Status (8)
Country | Link |
---|---|
US (2) | US7256966B2 (zh) |
JP (1) | JP3756913B2 (zh) |
KR (1) | KR100552023B1 (zh) |
CN (1) | CN1305959C (zh) |
AU (1) | AU2002357622A1 (zh) |
DE (1) | DE10297570B4 (zh) |
TW (1) | TWI263658B (zh) |
WO (1) | WO2003055945A1 (zh) |
Families Citing this family (30)
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KR100552023B1 (ko) * | 2001-12-25 | 2006-02-14 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리옥시메틸렌 수지제 램프 |
US6936651B2 (en) * | 2002-12-17 | 2005-08-30 | E. I. Du Pont De Nemours And Company | Compatibility improvement in crystalline thermoplastics with mineral fillers |
KR100933748B1 (ko) * | 2004-02-10 | 2009-12-24 | 주식회사 코오롱 | 열안정성이 우수한 폴리아세탈 수지 조성물 |
DE112005001180B4 (de) * | 2004-05-31 | 2013-10-10 | Asahi Kasei Chemicals Corp. | Rampe für ein Festplattenlaufwerk aus Polyoxymethylenharz sowie Verfahren zu deren Herstellung |
JP4889210B2 (ja) * | 2004-08-24 | 2012-03-07 | 旭化成ケミカルズ株式会社 | ハードディスク用ランプ |
JP4889941B2 (ja) * | 2004-12-02 | 2012-03-07 | 旭化成ケミカルズ株式会社 | 光ディスク用摺動部品 |
US7932315B2 (en) * | 2005-01-07 | 2011-04-26 | Asahi Kasei Chemicals Corporation | Inner part of hard disk drive |
JP4913380B2 (ja) * | 2005-09-20 | 2012-04-11 | 旭化成ケミカルズ株式会社 | ポリオキシメチレン樹脂製ハードディスクランプ |
JP5196623B2 (ja) * | 2006-02-27 | 2013-05-15 | 旭化成ケミカルズ株式会社 | ポリオキシメチレン樹脂組成物およびその成形体 |
US7396492B2 (en) * | 2006-03-30 | 2008-07-08 | Kenneth Leon Price | Electrically conductive resin compounds based on polyoxymethylene and highly structured carbon black |
EP2050787B1 (en) * | 2006-06-15 | 2014-08-06 | Mitsubishi Engineering-Plastics Corporation | Polyacetal resin composition, process for producing the same, and sliding member molded from the resin composition |
ES2637013T3 (es) * | 2006-12-06 | 2017-10-10 | Basf Se | Dispersiones reducidas en formaldehído de microcápsulas de resinas de melamina-formaldehído |
JP2008210476A (ja) * | 2007-02-27 | 2008-09-11 | Hitachi Global Storage Technologies Netherlands Bv | ディスク・ドライブ装置及びそれに用いられるランプ部材 |
JP4813403B2 (ja) * | 2007-03-02 | 2011-11-09 | 旭化成ケミカルズ株式会社 | ハードディスク用ランプ |
JP4903748B2 (ja) * | 2008-04-18 | 2012-03-28 | 旭化成ケミカルズ株式会社 | ハードディスクのランプ成形体 |
US20110237727A1 (en) | 2010-03-29 | 2011-09-29 | Jung-Pao Chang | Durable polyoxymethylene composition |
US8759431B2 (en) | 2010-03-29 | 2014-06-24 | Min Aik Technology Co., Ltd. | Durable polyoxymethylene composition |
EP2581408B1 (en) | 2011-10-14 | 2015-07-29 | Ticona GmbH | Tribologically modified glass-fiber reinforced polyoxymethylene |
JP6158484B2 (ja) * | 2012-08-23 | 2017-07-05 | 旭化成株式会社 | 対金属間欠型摺動部品用ポリオキシメチレン樹脂組成物及びそれを用いた間欠型摺動部品 |
JP5972112B2 (ja) * | 2012-08-30 | 2016-08-17 | 旭化成株式会社 | 搬送装置用摺動部材 |
JP6189139B2 (ja) * | 2013-08-23 | 2017-08-30 | 旭化成株式会社 | ポリアセタール樹脂成形体 |
JP6700178B2 (ja) | 2013-10-21 | 2020-05-27 | ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 本質的に低摩擦のポリオキシメチレン |
JP2015101599A (ja) * | 2013-11-21 | 2015-06-04 | ポリプラスチックス株式会社 | ポリオキシメチレン樹脂組成物の製造方法 |
EP3208308A1 (en) * | 2014-10-16 | 2017-08-23 | Asahi Kasei Kabushiki Kaisha | Polyacetal resin molded body |
JP6491911B2 (ja) * | 2015-03-13 | 2019-03-27 | 旭化成株式会社 | ポリアセタール樹脂成形体 |
US10196577B2 (en) | 2015-09-30 | 2019-02-05 | Celanese Sales Germany Gmbh | Low friction squeak free assembly |
US10053557B2 (en) | 2016-09-22 | 2018-08-21 | Min Aik Technology Co., Ltd. | Low wear debris polyoxymethylene composition and a ramp made of such polyoxymethylene composition suitable for various HDD designs |
EP3577168B1 (en) | 2017-03-10 | 2022-09-07 | Celanese Sales Germany GmbH | Polyester polymer compositions |
DE102017212255A1 (de) * | 2017-07-18 | 2019-01-24 | Robert Bosch Gmbh | Bauteil eines Stellantriebs, Gleitpaarung und Komfortantrieb |
CN111217973B (zh) * | 2018-11-27 | 2022-03-08 | 万华化学集团股份有限公司 | 一种聚氨酯润滑剂及其制备方法和用途 |
Family Cites Families (27)
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JPH0374461A (ja) * | 1989-08-11 | 1991-03-29 | Nippon Petrochem Co Ltd | 熱可塑性樹脂組成物およびその製造方法 |
JP2918644B2 (ja) * | 1989-11-28 | 1999-07-12 | 旭化成工業株式会社 | 耐摩耗性ポリオキシメチレン樹脂組成物及びその製造方法 |
DE3942330A1 (de) * | 1989-12-21 | 1991-06-27 | Basf Ag | Verfahren zur herstellung von flexiblen polyurethan-weichschaumstoffen mit viskoelastischen, koerperschalldaempfenden eigenschaften und hierzu verwendbare polyoxyalkylen-polyol-mischungen |
TW200514B (zh) * | 1990-08-20 | 1993-02-21 | Asahi Chemical Ind | |
EP0500269B1 (en) * | 1991-02-18 | 1997-05-07 | Mitsubishi Gas Chemical Company, Inc. | Polyacetal resin composition and its molded article |
JPH06172612A (ja) * | 1992-12-08 | 1994-06-21 | Mitsubishi Gas Chem Co Inc | 強化ポリアセタール樹脂組成物 |
US5652326A (en) * | 1993-03-03 | 1997-07-29 | Sanyo Chemical Industries, Ltd. | Polyetheresteramide and antistatic resin composition |
JPH07207117A (ja) | 1994-01-25 | 1995-08-08 | Asahi Chem Ind Co Ltd | ポリオキシメチレン樹脂組成物 |
JPH08127703A (ja) | 1994-10-28 | 1996-05-21 | Asahi Chem Ind Co Ltd | ポリオキシメチレン樹脂組成物 |
DE19538330A1 (de) * | 1995-10-14 | 1997-04-17 | Basf Ag | Verfahren zur Herstellung von kompakten oder zelligen Polyurethan-Elastomeren auf Basis von 3,3'-Dimethyl-diphenyl-4,4'-diisocyanat enthaltenden Polyisocyanatmischungen und hierfür geeignete Isocyanatpräpolymere |
US6151190A (en) * | 1996-08-26 | 2000-11-21 | Sony Corporation | Removable disk storage apparatus and device for accessing the recording medium supported therein |
JPH10125032A (ja) * | 1996-08-26 | 1998-05-15 | Sony Corp | ディスク記憶装置 |
JP3667023B2 (ja) * | 1997-02-25 | 2005-07-06 | 旭化成ケミカルズ株式会社 | ポリオキシメチレン樹脂組成物の製造方法 |
JP3706225B2 (ja) * | 1997-06-16 | 2005-10-12 | ポリプラスチックス株式会社 | 燃料部品用ポリアセタール樹脂組成物 |
US6194515B1 (en) * | 1997-10-10 | 2001-02-27 | E. I. Du Pont De Nemours And Company | Polyacetal composition with improved toughness |
JPH11189702A (ja) * | 1997-12-26 | 1999-07-13 | Polyplastics Co | ポリアセタール樹脂組成物 |
CN1170883C (zh) * | 1998-02-24 | 2004-10-13 | 旭化成株式会社 | 一种聚甲醛树脂组合物 |
WO2000007182A1 (fr) * | 1998-07-28 | 2000-02-10 | Matsushita Electric Industrial Co., Ltd. | Disque optique et lecteur de disque optique |
JP4270787B2 (ja) | 1999-10-29 | 2009-06-03 | 旭化成ケミカルズ株式会社 | ポリオキシメチレン樹脂組成物 |
JP2001164085A (ja) * | 1999-12-06 | 2001-06-19 | Polyplastics Co | 分岐ポリアセタール樹脂組成物 |
JP2001297548A (ja) * | 2000-04-14 | 2001-10-26 | Toshiba Corp | 磁気記録再生装置 |
DE10029533A1 (de) * | 2000-06-15 | 2001-12-20 | Ticona Gmbh | Gleitmittelhaltige Polyoxymethylenformmasse, ihre Verwendung und daraus hergestellter Formkörper |
JP4601131B2 (ja) | 2000-07-07 | 2010-12-22 | 旭化成ケミカルズ株式会社 | 樹脂組成物及びその成形体 |
DE10162903B4 (de) * | 2000-12-26 | 2009-04-30 | Asahi Kasei Kabushiki Kaisha | Polyoxymethylenharzzusammensetzung und daraus hergestellte Formkörper |
US6580585B2 (en) * | 2001-06-12 | 2003-06-17 | Hitachi Global Storage Technologies, The Netherlands B.V. | Magnetic disk drive with load/unload structure having lubricant reservoir |
EP1286338A3 (en) * | 2001-07-26 | 2007-07-11 | Matsushita Electric Industrial Co., Ltd. | Head supporting device and disk drive unit using the same |
KR100552023B1 (ko) * | 2001-12-25 | 2006-02-14 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리옥시메틸렌 수지제 램프 |
-
2002
- 2002-12-19 KR KR1020047010001A patent/KR100552023B1/ko active IP Right Grant
- 2002-12-19 AU AU2002357622A patent/AU2002357622A1/en not_active Abandoned
- 2002-12-19 WO PCT/JP2002/013322 patent/WO2003055945A1/ja active Application Filing
- 2002-12-19 JP JP2003556469A patent/JP3756913B2/ja not_active Expired - Lifetime
- 2002-12-19 DE DE10297570T patent/DE10297570B4/de not_active Expired - Fee Related
- 2002-12-19 CN CNB028260422A patent/CN1305959C/zh not_active Expired - Fee Related
- 2002-12-19 US US10/497,963 patent/US7256966B2/en not_active Expired - Lifetime
- 2002-12-24 TW TW091137182A patent/TWI263658B/zh not_active IP Right Cessation
-
2007
- 2007-07-09 US US11/775,165 patent/US7821740B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW200301284A (en) | 2003-07-01 |
AU2002357622A1 (en) | 2003-07-15 |
JP3756913B2 (ja) | 2006-03-22 |
CN1608108A (zh) | 2005-04-20 |
DE10297570T5 (de) | 2005-01-27 |
US20070253113A1 (en) | 2007-11-01 |
US7821740B2 (en) | 2010-10-26 |
KR20040071752A (ko) | 2004-08-12 |
US20050088782A1 (en) | 2005-04-28 |
KR100552023B1 (ko) | 2006-02-14 |
CN1305959C (zh) | 2007-03-21 |
WO2003055945A1 (fr) | 2003-07-10 |
DE10297570B4 (de) | 2008-02-21 |
JPWO2003055945A1 (ja) | 2005-05-12 |
US7256966B2 (en) | 2007-08-14 |
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Legal Events
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MK4A | Expiration of patent term of an invention patent |