KR20010113546A - 직조 가공용 연마시트 및 그 제조방법 - Google Patents
직조 가공용 연마시트 및 그 제조방법 Download PDFInfo
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- KR20010113546A KR20010113546A KR1020010034543A KR20010034543A KR20010113546A KR 20010113546 A KR20010113546 A KR 20010113546A KR 1020010034543 A KR1020010034543 A KR 1020010034543A KR 20010034543 A KR20010034543 A KR 20010034543A KR 20010113546 A KR20010113546 A KR 20010113546A
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- D04H1/43838—Ultrafine fibres, e.g. microfibres
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- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/8404—Processes or apparatus specially adapted for manufacturing record carriers manufacturing base layers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
실시예1 | 실시예2 | 실시예3 | 실시예4 | 비교예1 | 비교예2 | 비교예3 | |
섬도[dtex] | 0.004 | 0.01 | 0.02 | 0.0003/0.004 | 0.08 | 0.2 | 0.004 |
습윤탄성율[kg/mm2] | 0.42 | 0.23 | 0.42 | 0.23 | 0.23 | 0.42 | - |
두께[mm] | 0.55 | 1.18 | 0.37 | 0.79 | 0.68 | 0.47 | 0.56 |
겉보기비중[g/cm3] | 0.34 | 0.39 | 0.51 | 0.38 | 0.46 | 0.41 | 0.45 |
고분자 탄성체 비율[%] | 36 | 45 | 24 | 34 | 50 | 21 | 0 |
평균표면조도Ra[nm](n=3) | 0.4/0.4/0.5 | 0.6/0.6/0.7 | 0.7/0.7/0.8 | 0.4/0.5/0.5 | 0.9/1.0/1.2 | 1.7/1.8/1.8 | 0.7/0.8/1.4 |
연마테이프 표면상태 | ○ | ○ | ◎ | ○ | ○ | × | × |
Claims (14)
- 극세섬유 (A) 로 이루어지는 극세섬유다발이 3 차원 엉킴한 극세섬유 엉킴 부직포의 이 극세섬유 엉킴 공간에 고분자 탄성체가 다공질 상태로 존재하고, 이 고분자 탄성체는 이 극세섬유다발의 대부분을 실질적으로 구속하지 않고 존재하고 있는 시트로서, 이 시트의 적어도 한면에는 0.03 dtex 이하의 섬도를 갖는 극세섬유 (B) 로 이루어지는 입모가 존재하고 있는 것을 특징으로 하는 자기 기록매체의 직조 가공용 연마시트.
- 제 1 항에 있어서, 고분자 탄성체의 습윤탄성율이 0.05 ∼ 0.95 kg/mm2인 연마시트.
- 제 2 항에 있어서, 고분자 탄성체가 수평균 분자량이 700 ∼ 2500 인 1 종 또는 복수종의 폴리머 디올과 디이소시아네이트의 몰비 1/1.5 ∼ 1/5 로 하고, 또 쇄신장제로서 에틸렌글리콜 또는 에틸렌디아민을 사용하여 제조한 폴리우레탄인 연마시트.
- 제 1 항에 있어서, 극세섬유 (A) 및 극세섬유 (B) 가 폴리아미드 또는 폴리에스테르로 이루어지는 연마시트.
- 제 1 항에 있어서, 극세섬유 (A) 및 극세섬유 (B) 모두 폴리아미드로 이루어지는 연마시트.
- 제 1 항에 있어서, 극세섬유 (A) 및 극세섬유 (B) 가 동일한 연마시트.
- 제 1 항에 있어서, 극세섬유 (B) 의 섬도가 0.01 dtex 이하인 연마시트.
- 제 1 항에 있어서, 연마시트의 두께가 0.2 ∼ 1.5 mm 인 연마시트.
- 제 1 항에 있어서, 연마시트의 겉보기밀도가 0.2 ∼ 0.6 g/cm3의 범위인 연마시트.
- 제 1 항에 있어서, 연마시트에서 차지하는 고분자 탄성체의 비율이 10 ∼ 70 중량% 의 범위인 연마시트.
- 하기 (1) ∼ (4) 의 공정을 순차적으로 (단, 공정 (2) 와 (3) 은 순서를 역전시켜도 좋다) 실시하는 것을 특징으로 하는 자기 기록매체의 직조 가공용 연마시트의 제조방법.(1) 극세화 섬유 다발의 생성을 위한 처리에 의해 이를 생성할 수 있는 극세화 섬유 발생형 섬유 (a) 및 극세화 섬유 다발의 생성을 위한 처리에 의해 섬도 0.03 dtex 이하의 극세화 섬유의 다발을 생성할 수 있고, 입모를 제공하는 부직포 표층부를 구성하는 극세화 섬유 발생형 섬유 (b) 로 주로 이루어지는 부직포 형성 공정,(2) 이 부직포에 고분자 탄성체를 충전 또는 함침시켜 시트로 변환하는 공정,(3) 이 극세섬유발생형 섬유 (a) 및 (b) 를 각각의 극세섬유다발로 변환하는 공정, 및(4) 이 시트의 적어도 한면을 연삭하여 섬도 0.03 dtex 이하의 극세섬유로 이루어지는 입모를 형성하는 공정.
- 제 11 항에 있어서, 극세섬유발생형 섬유 (a) 및 극세섬유발생형 섬유 (b) 가 동일한 해도형 섬유인 제조방법.
- 제 11 항에 있어서, 공정 (2) 와 공정 (3) 의 순서를 역전시키는 경우에는, 공정 (3) 에 앞서 부직포에 폴리비닐알콜로 대표되는 수용성 수지를 부여하고, 그리고 공정 (2) 다음에 이 수용성 수지를 제거하는 방법을 사용하는 제조방법.
- 제 11 항에 있어서, 부직포에 고분자 탄성체를 충전하는 방법이, 부직포에고분자 탄성체의 용액을 함침시킨 후, 탄성체를 습식응고시키는 것으로 이루어지는 제조방법.
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KR (1) | KR100398481B1 (ko) |
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US6713156B1 (en) | 2003-05-05 | 2004-03-30 | National Starch And Chemical Investment Holding Corporation | Polymer-treated abrasive substrate |
US20050101228A1 (en) * | 2003-11-10 | 2005-05-12 | Cabot Microelectronics Corporation | Polishing pad comprising biodegradable polymer |
US7264641B2 (en) * | 2003-11-10 | 2007-09-04 | Cabot Microelectronics Corporation | Polishing pad comprising biodegradable polymer |
TWI285697B (en) * | 2003-12-29 | 2007-08-21 | San Fang Chemical Industry Co | Flameproof environmentally friendly artificial leather and process for making the same |
TWI245704B (en) * | 2003-12-31 | 2005-12-21 | San Fang Chemical Industry Co | Sheet made of high molecular material and method for making same |
TW200521167A (en) * | 2003-12-31 | 2005-07-01 | San Fang Chemical Industry Co | Polymer sheet material and method for making the same |
US20060249244A1 (en) * | 2004-01-09 | 2006-11-09 | San Fang Chemical Industry Co. Ltd. | Method for producing environmental friendly artificial leather product |
US20070207687A1 (en) * | 2004-05-03 | 2007-09-06 | San Fang Chemical Industry Co., Ltd. | Method for producing artificial leather |
US7961431B2 (en) * | 2004-05-04 | 2011-06-14 | Illinois Tool Works Inc. | Additive-free fiber for metal texture of hard disk drives |
US20060272770A1 (en) * | 2004-08-24 | 2006-12-07 | San Fang Chemical Industry Co., Ltd. | Method for making artificial leather with superficial texture |
TWI285590B (en) * | 2005-01-19 | 2007-08-21 | San Fang Chemical Industry Co | Moisture-absorbing, quick drying, thermally insulating, elastic composite and method for making |
TWI293094B (en) * | 2004-08-24 | 2008-02-01 | San Fang Chemical Industry Co | Artificial leather with real feeling and method thereof |
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US20080149264A1 (en) * | 2004-11-09 | 2008-06-26 | Chung-Chih Feng | Method for Making Flameproof Environmentally Friendly Artificial Leather |
US20080095945A1 (en) * | 2004-12-30 | 2008-04-24 | Ching-Tang Wang | Method for Making Macromolecular Laminate |
TWI297049B (en) * | 2005-05-17 | 2008-05-21 | San Fang Chemical Industry Co | Artificial leather having ultramicro fiber in conjugate fiber of substrate |
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US20080187715A1 (en) * | 2005-08-08 | 2008-08-07 | Ko-Feng Wang | Elastic Laminate and Method for Making The Same |
US20070155268A1 (en) * | 2005-12-30 | 2007-07-05 | San Fang Chemical Industry Co., Ltd. | Polishing pad and method for manufacturing the polishing pad |
US20080220701A1 (en) * | 2005-12-30 | 2008-09-11 | Chung-Ching Feng | Polishing Pad and Method for Making the Same |
TWI286583B (en) * | 2006-03-15 | 2007-09-11 | San Fang Chemical Industry Co | Artificial leather with even pressing grain and the manufacturing method thereof |
TWI302575B (en) * | 2006-12-07 | 2008-11-01 | San Fang Chemical Industry Co | Manufacturing method for ultrafine carbon fiber by using core and sheath conjugate melt spinning |
TW200825244A (en) | 2006-12-13 | 2008-06-16 | San Fang Chemical Industry Co | Flexible artificial leather and its manufacturing method |
JP4838703B2 (ja) * | 2006-12-26 | 2011-12-14 | 富士電機株式会社 | 磁気記録媒体用ディスク基板の製造方法、磁気記録媒体用ディスク基板、磁気記録媒体の製造方法、磁気記録媒体、及び磁気記録装置 |
JP5033238B2 (ja) * | 2007-06-27 | 2012-09-26 | コーロン インダストリーズ インク | 研磨パッド及びその製造方法 |
CN102119069B (zh) * | 2008-08-08 | 2015-04-15 | 可乐丽股份有限公司 | 抛光垫及抛光垫的制造方法 |
TW201125687A (en) * | 2010-01-20 | 2011-08-01 | San Fang Chemical Industry Co | Polishing pad and method for making the same |
CN102275143A (zh) * | 2010-06-08 | 2011-12-14 | 三芳化学工业股份有限公司 | 抛光垫及其制造方法 |
CN103131331B (zh) * | 2013-01-30 | 2014-05-21 | 东莞市垠星科技发展有限公司 | 一种沉降性水基研磨液及其制备方法 |
CN107971876B (zh) * | 2017-11-09 | 2020-05-19 | 中国航发北京航科发动机控制系统科技有限责任公司 | 一种端面网纹加工方法 |
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JPH0781133B2 (ja) * | 1992-05-06 | 1995-08-30 | 株式会社フジミインコーポレーテッド | メモリーハードディスクの研磨用組成物 |
EP0651090B1 (en) * | 1993-10-29 | 2000-06-14 | Kuraray Co., Ltd. | Suede-like artificial leather |
TW440633B (en) * | 1996-09-27 | 2001-06-16 | Kuraray Co | Suede-like artificial leather and its preparation |
US6159581A (en) * | 1997-09-24 | 2000-12-12 | Kuraray Co., Ltd. | Leather-like sheet |
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2001
- 2001-06-06 TW TW090113671A patent/TW491757B/zh active
- 2001-06-14 US US09/880,116 patent/US20020013984A1/en not_active Abandoned
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US20020013984A1 (en) | 2002-02-07 |
US20040063370A1 (en) | 2004-04-01 |
KR100398481B1 (ko) | 2003-09-19 |
TW491757B (en) | 2002-06-21 |
CN1366300A (zh) | 2002-08-28 |
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