KR100457729B1 - 중합성퍼플루오로폴리에테르포스페이트윤활제톱코우트 - Google Patents
중합성퍼플루오로폴리에테르포스페이트윤활제톱코우트 Download PDFInfo
- Publication number
- KR100457729B1 KR100457729B1 KR10-1998-0709894A KR19980709894A KR100457729B1 KR 100457729 B1 KR100457729 B1 KR 100457729B1 KR 19980709894 A KR19980709894 A KR 19980709894A KR 100457729 B1 KR100457729 B1 KR 100457729B1
- Authority
- KR
- South Korea
- Prior art keywords
- lubricant
- magnetic recording
- recording medium
- phosphate
- fluoroalkylether
- 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
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- 239000000314 lubricant Substances 0.000 title claims abstract description 98
- 229910019142 PO4 Inorganic materials 0.000 title claims description 8
- 239000010452 phosphate Substances 0.000 title claims description 7
- 239000010702 perfluoropolyether Substances 0.000 title abstract description 22
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title description 4
- 229920001523 phosphate polymer Polymers 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 5
- -1 alcohol compound Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 2
- 125000001033 ether group Chemical group 0.000 claims 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000002009 diols Chemical class 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229960004624 perflexane Drugs 0.000 description 2
- ZJIJAJXFLBMLCK-UHFFFAOYSA-N perfluorohexane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F ZJIJAJXFLBMLCK-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000006112 glass ceramic composition Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/327—Polymers modified by chemical after-treatment with inorganic compounds containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/335—Polymers modified by chemical after-treatment with organic compounds containing phosphorus
- C08G65/3356—Polymers modified by chemical after-treatment with organic compounds containing phosphorus having nitrogen in addition to phosphorus
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/71—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the lubricant
-
- 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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
- G11B5/7253—Fluorocarbon lubricant
- G11B5/7257—Perfluoropolyether lubricant
-
- 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
- C08G2650/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G2650/28—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type
- C08G2650/46—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen
- C08G2650/48—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule characterised by the polymer type containing halogen containing fluorine, e.g. perfluropolyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Record Carriers (AREA)
- Lubricants (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Claims (20)
- 윤활제 톱코우트(topcoat)를 포함하는 자기 기록 매체로서,윤활제 톱코우트가 하기 화학식의 포스페이트 중합체를 포함함을 특징으로 하는 자기 기록 매체:상기 식에서,R1, R2, R3, R4, R5 및 R6는 독립적으로 플루오로알킬에테르-포스페이트 반복 단위 또는 기, 또는 플루오로알킬에테르기이며,PFPE는 퍼플루오로알킬에테르기이며,a 내지 f는 0 내지 10의 정수이며, a 내지 f중 하나 이상은 1 이상이다.
- 제 1 항에 있어서, 윤활제 톱코우트가 필수 성분으로서 포스페이트 중합체를 포함함을 특징으로 하는 자기 기록 매체.
- 제 1 항에 있어서, 비자성 기판, 비자성 기판 상의 하부층, 하부층 상의 자기층, 자기층 상의 보호용 오버코우트(overcoat) 및 보호용 오버코우트 상의 윤활제 톱코우트를 포함함을 특징으로 하는 자기 기록 매체.
- 제 1 항에 있어서, PFPE가 하기 화학식을 가짐을 특징으로 하는 자기 기록 매체:상기 식에서,m 및 n은 각각 0이거나, 100 이하의 정수이다.
- 제 1 항에 있어서, 플루오로알킬에테르기가 하기 화학식을 가짐을 특징으로 하는 자기 기록 매체:상기 식에서,n은 15 내지 100의 정수이다.
- 제 1 항에 있어서, 윤활제 톱코우트가 0.4보다 큰 윤활제 결합비를 나타냄을 특징으로 하는 자기 기록 매체.
- 제 1 항에 있어서, 포스페이트 중합체의 분자량이 약 1,000 내지 약 50,000임을 특징으로 하는 자기 기록 매체.
- 비자성 기판 상에 자기층을 형성시키는 단계 및 자기층 상에 하기 화학식의 포스페이트 중합체를 포함하는 윤활제 톱코우트를 형성시키는 단계를 포함하여 자기 기록 매체를 제조하는 방법:상기 식에서,R1, R2, R3, R4, R5 및 R6는 독립적으로 플루오로알킬에테르-포스페이트 반복 단위 또는 기, 또는 플루오로알킬에테르기이며,PFPE는 퍼플루오로알킬에테르기이며,a 내지 f는 0 내지 10의 정수이며, a 내지 f중 하나 이상은 1 이상이다.
- 제 8 항에 있어서, 비자성 기판 상에 하부층을 형성시키는 단계, 하부층 상에 자기층을 형성시키는 단계, 자기층 상에 보호용 오버코우트를 형성시키는 단계 및 보호용 오버코우트 상에 윤활제 톱코우트를 형성시키는 단계를 포함함을 특징으로 하는 방법.
- 제 8 항에 있어서, PFPE가 하기 화학식을 가짐을 특징으로 하는 방법:상기 식에서,m 및 n은 각각 0이거나, 100 이하의 정수이다.
- 제 8 항에 있어서, 플루오로알킬에테르기가 하기 화학식을 가짐을 특징으로 하는 방법:상기 식에서,n은 15 내지 100의 정수이다.
- 제 8 항에 있어서, 자기 매체에 결합된 포스페이트 중합체의 양을 조절하는 단계를 포함함을 특징으로 하는 방법.
- 제 12 항에 있어서, 포스페이트 중합체가 0.4보다 큰 윤활제 결합비로 자기 기록 매체에 직접 결합됨을 특징으로 하는 방법.
- 제 8 항에 있어서, 포스페이트 중합체의 분자량이 약 1,000 내지 약 50,000임을 특징으로 하는 방법.
- 제 8 항에 있어서, 비자성 기판 상에 자기층의 복합체를 형성시키는 단계 및 복합체를 포스페이트 중합체와 용매로 이루어진 용액내에 침지시키는 단계를 포함함을 특징으로 하는 방법.
- 하기 화학식을 갖는 포스페이트 중합체:상기 식에서,R1, R2, R3, R4, R5 및 R6는 독립적으로 플루오로알킬에테르-포스페이트 반복 단위 또는 기, 또는 플루오로알킬에테르기이며,PFPE는 퍼플루오로알킬에테르기이며,a 내지 f는 0 내지 10의 정수이며, a 내지 f중 하나 이상은 1 이상이다.
- 제 16 항에 있어서, PFPE가 하기 화학식으로 표시됨을 특징으로 하는 포스페이트 중합체:상기 식에서,m 및 n은 각각 0이거나, 100 이하의 정수이다.
- 제 16 항에 있어서, 플루오로알킬에테르기가 하기 화학식을 가짐을 특징으로 하는 포스페이트 중합체:상기 식에서,n은 15 내지 100의 정수이다.
- 제 16 항에 있어서, 분자량이 약 1,000 내지 약 50,000임을 특징으로 하는 포스페이트 중합체.
- 플루오로알킬에테르 알코올 화합물을 옥시염화인과 반응시키는 단계를 포함하는, 제 16항에 따른 포스페이트 중합체를 제조하는 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0709894A KR100457729B1 (ko) | 1996-06-04 | 1997-05-20 | 중합성퍼플루오로폴리에테르포스페이트윤활제톱코우트 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/819,184 | 1997-03-17 | ||
US8/819,184 | 1997-03-17 | ||
US60/019,257 | 1997-03-17 | ||
KR10-1998-0709894A KR100457729B1 (ko) | 1996-06-04 | 1997-05-20 | 중합성퍼플루오로폴리에테르포스페이트윤활제톱코우트 |
Publications (2)
Publication Number | Publication Date |
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KR20000016321A KR20000016321A (ko) | 2000-03-25 |
KR100457729B1 true KR100457729B1 (ko) | 2005-06-10 |
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KR10-1998-0709894A Expired - Lifetime KR100457729B1 (ko) | 1996-06-04 | 1997-05-20 | 중합성퍼플루오로폴리에테르포스페이트윤활제톱코우트 |
Country Status (1)
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KR (1) | KR100457729B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101005811B1 (ko) * | 2008-10-09 | 2011-01-05 | 한국화학연구원 | 포스페이트 구조를 갖는 과불소화 다가 아크릴계 화합물 및이를 함유하는 광중합성 조성물 |
-
1997
- 1997-05-20 KR KR10-1998-0709894A patent/KR100457729B1/ko not_active Expired - Lifetime
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