JPS62291723A - Lubricating agent for magnetic recording medium - Google Patents
Lubricating agent for magnetic recording mediumInfo
- Publication number
- JPS62291723A JPS62291723A JP13578886A JP13578886A JPS62291723A JP S62291723 A JPS62291723 A JP S62291723A JP 13578886 A JP13578886 A JP 13578886A JP 13578886 A JP13578886 A JP 13578886A JP S62291723 A JPS62291723 A JP S62291723A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic recording
- group
- contg
- fluorine
- recording medium
- 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.)
- Pending
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 17
- 229910000077 silane Inorganic materials 0.000 claims abstract description 13
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 claims description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- -1 silane compound Chemical class 0.000 claims description 9
- 125000000962 organic group Chemical group 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000003431 cross linking reagent Substances 0.000 abstract description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 150000004756 silanes Chemical class 0.000 description 3
- 101000831254 Oryza sativa subsp. japonica Cysteine proteinase inhibitor 2 Proteins 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 101100336279 Caenorhabditis elegans icl-1 gene Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000320508 Pentatomidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005055 methyl trichlorosilane Substances 0.000 description 1
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Landscapes
- Lubricants (AREA)
- Magnetic Record Carriers (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、フッ素原子を含有するシラン化合物からなる
磁気記録媒体用潤滑剤に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a lubricant for magnetic recording media comprising a silane compound containing a fluorine atom.
従来、含フッ素シラン化合物が、!fl気ディスク等の
磁気記録媒体用潤滑剤として使用されている(特開昭5
7−92432号公報および特開昭61−39919号
公報参照)が、ヘッドで摩擦されると潤滑膜が破壊され
やすい。磁気記録媒体は、特に垂直磁化方式の場合、記
録密度とイ3頼性の両方を高めるために、ヘッドとでき
るだけ近接するように設置されるが、ヘッドで摩擦され
て容易に破壊されるような潤滑膜しか形成することがで
きない潤滑剤は、好ましいものではない。Conventionally, fluorine-containing silane compounds! It is used as a lubricant for magnetic recording media such as flash disks.
7-92432 and Japanese Unexamined Patent Publication No. 61-39919), the lubricating film is easily destroyed when rubbed by the head. Magnetic recording media, especially in the case of perpendicular magnetization, are installed as close to the head as possible in order to increase both recording density and reliability. Lubricants that can only form a lubricating film are not preferred.
(発明の目的)
本発明者らは、磁気記録媒体用潤滑剤として種々の含フ
ッ素シラン化合物を合成し、その耐摩耗性や基材との接
着性を調べたところ、ヒドロキシル基を有する含フッ素
シラン化合物がこれらの性質に優れていることを見出し
、本発明に達したものである。(Purpose of the Invention) The present inventors synthesized various fluorine-containing silane compounds as lubricants for magnetic recording media, and investigated their wear resistance and adhesion to substrates. The present invention was achieved by discovering that silane compounds are excellent in these properties.
本発明の目的は、耐摩耗性や基材との接着性がよい潤滑
1模を形成することができる磁気記録媒体用潤滑剤を提
供することである。An object of the present invention is to provide a lubricant for magnetic recording media that can form a lubricant with good wear resistance and good adhesion to a base material.
本発明は、含フッ素有機基を含有するシラン化合物から
なる磁気記録媒体用i1?I f?を剤において、該含
フッ素行8!基がヒドロキシル基を含有することを特徴
とする磁気記録媒体用潤滑剤である。The present invention provides i1? for magnetic recording media comprising a silane compound containing a fluorine-containing organic group. If? In the agent, the fluorine-containing row 8! A lubricant for magnetic recording media characterized in that the group contains a hydroxyl group.
該シラン化合物は、耐摩耗性や基材との接着性の上から
、式:
((Rf)hN(It)r−h(C1lz)+ (N(
Rf);(II)+−ノ(C11g)*几)、l−8轟
(R)−X’Q
(式中、P「は炭素原子数4〜13のヒドロキシル基を
有する含)・ノ素脂肪族基〔但し、炭素原子鎖中に酸素
原子が含まれることがある。〕、Rは炭素原子数1〜3
の脂肪族基、XIは炭素原子数1〜4のアルコキシル基
、11は1または2、iは1〜5の整数、jは0または
1、kは1〜3の整数、−はOまたは1.n、pおよび
qは1〜3の整数〔但し、n+p+q=4である。〕を
示す、)で表わされる化合物であることが好ましい。The silane compound has the formula: ((Rf)hN(It)r-h(C1lz)+(N(
Rf); (II)+-ノ(C11g)*几), l-8 Todoroki (R)-X'Q (in the formula, P" has a hydroxyl group having 4 to 13 carbon atoms), no element Aliphatic group [however, an oxygen atom may be included in the carbon atom chain], R has 1 to 3 carbon atoms
an aliphatic group, XI is an alkoxyl group having 1 to 4 carbon atoms, 11 is 1 or 2, i is an integer of 1 to 5, j is 0 or 1, k is an integer of 1 to 3, - is O or 1 .. n, p and q are integers of 1 to 3 [however, n+p+q=4. It is preferable that it is a compound represented by ).
また、前記Rfは式:
%式%
(式中、Rf’ 法は炭素原子数1〜10の含フッ素脂
肪族基〔但し、炭素原子鎖中に酸素原子が含まれること
がある。〕を示す、)
で表わされる基であることが好ましい。The Rf is represented by the formula: %Formula% (wherein, Rf' represents a fluorine-containing aliphatic group having 1 to 10 carbon atoms [however, an oxygen atom may be included in the carbon atom chain)] , ) is preferable.
該シラン化合物の具体例として、
(CFs) zcFcHtcH(Off)CII!NI
I(Clh) tsi(OCI署、)、。As a specific example of the silane compound, (CFs)zcFcHtcH(Off)CII! N.I.
I (Clh) tsi (OCI station,).
((CF3)ZCFC11□C11(□If)C1h)
J(CNg)3si(CIls) (OCR*)t、(
(CFsンgcFcl1gclI (ON)CIlz)
tN(C1lz)tN (C00CII C0H)C1
lz−(CFzCFt) zcF (CFs) 意)
(Clli) isi (OCzlls) s 。((CF3)ZCFC11□C11(□If)C1h)
J(CNg)3si(CIls) (OCR*)t, (
(CFsungcFcl1gclI (ON)CIlz)
tN(C1lz)tN (C00CII C0H)C1
lz-(CFzCFt) zcF (CFs)
(Clli) isi (OCzlls) s.
(CFi)tcF(CFt)acllicII(OH)
C11xNIl(CHm)ssi(OCtlls)s
。(CFi)tcF(CFt)acllicII(OH)
C11xNIl(CHm)ssi(OCtlls)s
.
CF scP zcll tcII (Off) C1
l zNH(Cll t) sS i (Cll s)
t (QCzll aOchI s)、
CF s (CF り 5clltcII (Oll)
Cl1tNIl (Cllx) sSi (C1ls
) (OCzlls) z、CF a (Ch) ?C
II zcIl (Off) Cl1zNII (Cl
l 茸) ss i (CHs) (OCtll s)
噤B
(Ch (CF t) 5cII tcII (Oll
) C11t) J (Cllt) xNll (C1
l り 3si (C1lzj −
(OCrlls)z 、
CyF + 5cOOcIl tcII (Oll)
C1l to (C1l g) 3S i (Cll
3) (OCtll s) ■
のようなパーフルオロアルキル基を有する化合物あるい
は
(llchchclltOcIItcll(Oll)C
11m)JCllzCllxSi(OC+l1t)i
。CF scP zcll tcII (Off) C1
l zNH(Cll t) sS i (Cll s)
t (QCzll aOchI s), CF s (CF ri 5clltcII (Oll)
Cl1tNIl (Cllx) sSi (C1ls
) (OCzlls) z, CF a (Ch) ? C
II zcIl (Off) Cl1zNII (Cl
l Mushroom) ss i (CHs) (OCtll s)
噤B (Ch (CF t) 5cII tcII (Oll
) C11t) J (Cllt) xNll (C1
l ri 3si (C1lzz - (OCrlls)z, CyF + 5cOOcIl tcII (Oll)
C1l to (C1l g) 3S i (Cll
3) Compounds with perfluoroalkyl groups such as (OCtll s) ■ or (llchchclltOcIItcll(Oll)C
11m) JCllzCllxSi(OC+l1t)i
.
11 (CF zcF t) 5clI zOclIt
cII (Oll) Cll xNll (CHt)
3S i (QCdl S)@3、
CF ICIcFc I CF zcFc ICP z
cIl xOclI zcH(Off) Cll Jl
l (Cll z) ! −5i (OCtll5)、
CsF JCF (CF 1)CF zOcF (CF
5)C1l tOcIl tcH(OH) Cll
! NH(C−Ih) tsi (OCglls) s
、R’ C(CF r) tOcIItcIl (Of
f) C11NII (CH,) sSi (OCgl
ls) s(式中、R1はフェニル基を示す、)。11 (CF zcF t) 5clI zOclIt
cII (Oll) Cll xNll (CHt)
3S i (QCdl S) @3, CF ICIcFc I CF zcFc ICP z
cIl xOclI zcH(Off) Cll Jl
l (Cll z)! -5i (OCtll5), CsF JCF (CF 1)CF zOcF (CF
5) C1l tOcIl tcH(OH) Cll
! NH(C-Ih)tsi(OCglls)s
, R' C(CF r) tOcIItcIl (Of
f) C11NII (CH,) sSi (OCgl
ls) s (wherein R1 represents a phenyl group).
(R”C(CF s) zOclI ICl1 <ON
) CHg) JCII sSi (Ctll s)
t (OCII s)(式中、R2はシクロヘキシル基
を示す、)、((CF 3) xcFOclI t(J
l (Oft) CIl i) !MCII zcII
J (OCII gcll (Off)@−
CIhOCF(CFs) t) (Clh) ssi
((IcIIs) s 。(R”C(CF s) zOclI ICl1 <ON
) CHg) JCII sSi (Ctll s)
t(OCIIs) (wherein, R2 represents a cyclohexyl group), ((CF3)xcFOclIt(J
l (Of) CIl i)! MCII zcII
J (OCII gcll (Off) @- CIhOCF (CFs) t) (Clh) ssi
((IcIIs)s.
CJ ?OCF (CF 3) CP 20CF (C
F 3) C00CII xclI (OH) CIl
to (CIl t) s@−
5L(OCIIs)s
のような含フッ素有機基を有する化合物等を挙げること
ができる。CJ? OCF (CF 3) CP 20CF (C
F 3) C00CII xclI (OH) CIl
Compounds having a fluorine-containing organic group such as to (CIlt)s@-5L(OCIIs)s can be mentioned.
本発明のシラン化合物からなる磁気記録媒体用潤滑剤は
、これに含まれるヒドロキシル基と架橋剤を反応させて
架橋し、耐摩耗性を向上させることができる。ヒドロキ
シル基は、シラン化合物に通常0.5〜10重量%含イ
↑される。架橋剤としては、式:
%式%
(式中、R1は炭素数1〜5のアルキル基、炭素数1〜
5のハロゲン化アルキル基、ビニル基、フェニル基また
は−R”−Y基【1■シ、Iltハffl素11(1〜
5素原子数1〜4のアルコキシル基、rはo、lまたは
2を示す、)
で表わされるシラン化合物、テトラクロロシラン、メチ
ルトリクロロシラン等を挙げることができる。The lubricant for magnetic recording media made of the silane compound of the present invention can be crosslinked by reacting the hydroxyl groups contained therein with a crosslinking agent, thereby improving wear resistance. The hydroxyl group is usually contained in the silane compound in an amount of 0.5 to 10% by weight. As a crosslinking agent, the formula: %Formula% (wherein, R1 is an alkyl group having 1 to 5 carbon atoms,
5 halogenated alkyl group, vinyl group, phenyl group or -R''-Y group
Examples include a silane compound represented by the following alkoxyl group having 1 to 4 pentatom atoms, r represents o, l, or 2, tetrachlorosilane, methyltrichlorosilane, and the like.
架橋剤を多く添加する程潤滑膜の耐摩耗性が上昇するが
、潤滑性が低下するので、通常架橋剤の添加量は、本発
明の磁気記録媒体用潤滑剤100重量部に対し50重量
部以下、好ましくは20重量部以下である。The more the crosslinking agent is added, the higher the abrasion resistance of the lubricant film is, but the lubricity is lower. The amount is preferably 20 parts by weight or less.
本発明の磁気記録媒体用潤滑剤は、溶剤に0.01〜2
0重量%、好ましくはO,OS〜10重量%になるよう
に溶解し、スプレー、ディップ、スピン、刷毛塗り等で
磁気ディスク等の基材に塗布することができる。The lubricant for magnetic recording media of the present invention has a solvent of 0.01 to 2
It can be dissolved to a concentration of 0% by weight, preferably 10% by weight of O,OS, and applied to a base material such as a magnetic disk by spraying, dipping, spinning, brushing, etc.
溶剤は、低級アルコールのメタノール、エタノール、イ
ソプロパツール等が好ましいが、その他の炭化水素系溶
剤や含フッ素溶剤も使用可能である。The solvent is preferably lower alcohols such as methanol, ethanol, isopropanol, etc., but other hydrocarbon solvents and fluorine-containing solvents can also be used.
本発明の磁気記録媒体用潤滑剤は、塗布後、80〜10
0℃で30分間以上熱処理し、さらに大気中5時間以上
放置すると、良好な耐摩耗性、基材との接着性等を有す
る潤滑膜を得ることができる。大気の相対湿度が80%
以上であると、10分程度でよい。The lubricant for magnetic recording media of the present invention has an 80 to 10
When heat treated at 0° C. for 30 minutes or more and further left in the atmosphere for 5 hours or more, a lubricating film having good wear resistance, adhesion to the base material, etc. can be obtained. Atmospheric relative humidity is 80%
If it is more than that, it may take about 10 minutes.
潤滑膜の厚みは、通常10〜1000人である。The thickness of the lubricating film is usually 10 to 1000.
実施例1
攪拌機、温度計、還流器および窒素導入管を備えた1
00ccの四つロフラスコに、CFs (Ch) 1C
Ilz−望−911□ 30 g 、 HINC11I
C11□C11□5i(OCII□CI+3)3 (
以下、(a) という、04gおよび溶媒のエタノール
44gを入れ、乾燥窒素を通じながら70〜130℃で
8時間攪拌し、CF 3(CF x> wcll zc
ll (Oil) C1l zNIIclI□cr+□
C1bSi−(OCII 2CH3) sを合成した。Example 1 1 equipped with a stirrer, thermometer, reflux device and nitrogen inlet tube
CFs (Ch) 1C in a 00cc four-loop flask
Ilz-Noi-911□ 30 g, HINC11I
C11□C11□5i (OCII□CI+3)3 (
Hereinafter, (a), 04 g and 44 g of ethanol as a solvent were added, stirred at 70 to 130°C for 8 hours while passing dry nitrogen, and CF 3 (CF x > wcll zc
ll (Oil) C1l zNIIclI□cr+□
C1bSi-(OCII 2CH3)s was synthesized.
得られた目的物が0.3重量%になるようにイソプロパ
ツールを加え、この中にCO・Niv:!、を有するI
Iさ3(lumのPUT (スパッタ法、Co/N1=
8/2(重Wt) )フィルムを1分間漫ン貞し、引き
上げ速度10cm/分で引き上げた。その後、90℃に
30分間加熱し、さらに空気中に24時間放置した。膜
厚は、クリステツブ(Taylor Hobson社製
)で測定して、700 人であった。Isopropanol was added so that the obtained target product was 0.3% by weight, and CO・Niv:! I with ,
Isa3(lum PUT (sputtering method, Co/N1=
8/2 (weight Wt)) The film was allowed to stand for 1 minute and then pulled up at a pulling speed of 10 cm/min. Thereafter, it was heated to 90° C. for 30 minutes and further left in the air for 24 hours. The film thickness was measured with a crystal tube (manufactured by Taylor Hobson) and was 700.
前記塗布膜を有するPUTフィルムを試料として、荷重
40gの条件で、lOパス、100パスおよび200パ
ス後の動12擦係数を鈴木−松原式7擦係数測定機(東
洋ボールドウィン社製)を使用してalll定した。結
果を表に示す。Using the PUT film having the coating film as a sample, the dynamic 12 friction coefficient after 1O pass, 100 pass, and 200 pass was measured using a Suzuki-Matsubara type 7 friction coefficient measuring machine (manufactured by Toyo Baldwin Co., Ltd.) under the condition of a load of 40 g. All were determined. The results are shown in the table.
実施例2〜5
下記の原料を使用し、実施例1と同様の手順で合成を行
った後、生成物9重量部に対しテトラエトキシシラン1
重量部を加え、イソプロパツールで3320倍(0,3
重量%)に希釈した。その後は実施例1と同様の手順で
動摩擦係数の測定を行った。Examples 2 to 5 Using the following raw materials, synthesis was carried out in the same manner as in Example 1, and then 1 part of tetraethoxysilane was added to 9 parts by weight of the product.
Add parts by weight and dilute 3320 times (0,3
% by weight). Thereafter, the dynamic friction coefficient was measured in the same manner as in Example 1.
結果を表に示す。The results are shown in the table.
実施例2 : (CFり zcF (CF、) ac
Ilzc4−9L 30 g。Example 2: (CFri zcF (CF,) ac
Ilzc4-9L 30 g.
および(a) 12.6g実施例3 :
C3F、0CF(Ch)CFZOCF(Ch)Cll
t−0CIIヨt、jp−911z 3
0 gおよび(a) 13.1g実施例
4:CFオCICFCICFtCFCICFzCI1g
−OCllgC)l−C1l□ 30
g\0′
および(a) 16.5g実施例4 :
It(CFtCh)scll、Ocl!tQ−911g
30 gおよび(a) 17.0g
実施例6
実施例1と同じ四つロフラスコに、C,F、0CF(C
−F+)Cll□0C1hCII−Cll□ 35g5
II□NC11,CIl□5i(OCIIs)s9gお
よびメタノール40gを入れ、窒素を流しななから、7
0〜75℃で200時間反応せた− (CsF70−C
F(CFz)CIbOClhCIl(Oll)C1lt
)JCHzCIhSi(OCIh)z 95モル%お
よびCJJCF(CFz)C1hOCII□C11(0
11) Cl11NIICIhCIhSi (OClh
)35モル%が生成した。and (a) 12.6g Example 3:
C3F,0CF(Ch)CFZOCF(Ch)Cll
t-0CII Yot, jp-911z 3
0 g and (a) 13.1 g Example 4: CF OCICFCICFtCFCICFzCI1g
-OCllgC)l-C1l□ 30
g\0' and (a) 16.5g Example 4:
It(CFtCh)scll, Ocl! tQ-911g
30 g and (a) 17.0 g
Example 6 C, F, 0CF (C
-F+) Cll□0C1hCII-Cll□ 35g5
Add 9 g of II□NC11, CIl□5i (OCIIs) and 40 g of methanol, and without flowing nitrogen, 7
- (CsF70-C
F(CFz)CIbOClhCIl(Oll)C1lt
)JCHzCIhSi(OCIh)z 95 mol% and CJJCF(CFz)C1hOCII□C11(0
11) Cl11NIICIhCIhSi (OClh
) 35 mol% was produced.
生成物がo、smi%になるように1.1.2−トリク
ロロ−1,2,2−)リフルオロエタンを加え、後は実
施例1と同様の方法で試料を作り、動)!W擦係数を測
定した。結果を表に示す。Add 1.1.2-trichloro-1,2,2-)lifluoroethane so that the product is o, smi%, then prepare a sample in the same manner as in Example 1, and move)! The W friction coefficient was measured. The results are shown in the table.
実施例7
実施例1と同じ四つ目フラスコに、1lcF2cF2c
I+□−OCIIgCII−Cllt 55 g −
II□NCII□CIl□+l II CII□Cl1
zCIIzSi(0−CI+3)319gおよびメタノ
ール70gを入れ、窒素を流しながら、70〜80℃で
24時間反応させた。IICF、−CF、CIl□00
11□C1+ (011) C11□)JCIhCII
□N(C112CII(Oll)CIl□0C−11□
CFよChll)CIlxCIIzCHzSi (OC
IIs) 371モル%および(lIchchc11x
Oc11意C11(01りCl1f) zNclI□C
1l□NIICIIzCII□C−1lxsi (OC
IIコ)、20モル%およびIICFtCFzCllt
OCIb−C11(011)C11,NIICII□C
II□N II CIt□c It 、CII□Si
(OClh) s 9モル%が生成した。Example 7 In the same fourth flask as in Example 1, add 1lcF2cF2c.
I+□-OCIIgCII-Cllt 55 g −
II□NCII□CIl□+l II CII□Cl1
319 g of zCIIzSi (0-CI+3) and 70 g of methanol were added, and the mixture was reacted at 70 to 80° C. for 24 hours while flowing nitrogen. IICF, -CF, CIl□00
11□C1+ (011) C11□)JCIhCII
□N(C112CII(Oll)CIl□0C-11□
CF Yo Chll) CIlxCIIzCHzSi (OC
IIs) 371 mol% and (IIchchc11x
Oc11C11 (01riCl1f) zNclI□C
1l□NIICIIzCII□C-1lxsi (OC
II), 20 mol% and IICFtCFzCllt
OCIb-C11(011)C11, NIICII□C
II□N II CIt□c It , CII□Si
9 mol% of (OClh)s was produced.
生成物が0.5重足%になるようにL12−)リクロロ
ー1.2.2− トリフルオロエタンを加え、その後実
施例1と同様の方法でb(ギ4を作り、動摩擦係数を測
定した。結果を表に示す。L12-)lichloro1.2.2-trifluoroethane was added so that the product was 0.5% by weight, and then b (gi 4) was prepared in the same manner as in Example 1, and the coefficient of kinetic friction was measured. .The results are shown in the table.
比較例1
c4F11C11tC11□5i(OCills)sを
0.3重量%になるようにイソプロパツールに溶解し、
その後実施例1と同様の方法で試料を作り、動摩擦係数
を4111定した。結果を表に示す。Comparative Example 1 c4F11C11tC11□5i(OCills)s was dissolved in isopropanol to a concentration of 0.3% by weight,
Thereafter, a sample was prepared in the same manner as in Example 1, and the coefficient of dynamic friction was determined to be 4111. The results are shown in the table.
比較例2
3.3.3− )リフルオロプロピルトリメトキシシラ
ン9重量部とテトラエトキシシランl zlH債部をl
;L合し、イソプロパツールで0.3重ffi%になる
ように希釈した。その後実施例1と同様の方法で試料を
作り、動1’i!擦係数を測定した。結果を表に示す。Comparative Example 2 3.3.3-) 9 parts by weight of refluoropropyltrimethoxysilane and 1 part by weight of tetraethoxysilane
; L was combined and diluted with isopropanol to a concentration of 0.3 times ffi%. Thereafter, a sample was prepared in the same manner as in Example 1, and the sample was prepared using the same method as in Example 1. The friction coefficient was measured. The results are shown in the table.
表中、*は基材に傷が生したことを示す。In the table, * indicates that the base material was scratched.
本発明の61気記録媒体用潤滑剤は、従来のシラン化合
物からなる磁気記録媒体用潤滑剤に比べ、耐摩耗性、基
材との接着性等が優れたものである。The 61-air recording medium lubricant of the present invention has superior wear resistance, adhesion to substrates, etc., as compared to conventional magnetic recording medium lubricants made of silane compounds.
以上that's all
Claims (1)
気記録媒体用潤滑剤において、該含フッ素有機基がヒド
ロキシル基を含有することを特徴とする磁気記録媒体用
潤滑剤。1. A lubricant for magnetic recording media comprising a silane compound containing a fluorine-containing organic group, wherein the fluorine-containing organic group contains a hydroxyl group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13578886A JPS62291723A (en) | 1986-06-11 | 1986-06-11 | Lubricating agent for magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13578886A JPS62291723A (en) | 1986-06-11 | 1986-06-11 | Lubricating agent for magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62291723A true JPS62291723A (en) | 1987-12-18 |
Family
ID=15159851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13578886A Pending JPS62291723A (en) | 1986-06-11 | 1986-06-11 | Lubricating agent for magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62291723A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243228A (en) * | 1988-03-23 | 1989-09-27 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
US6692848B2 (en) * | 2000-06-20 | 2004-02-17 | Hitachi, Ltd. | Magnetic disk apparatus |
-
1986
- 1986-06-11 JP JP13578886A patent/JPS62291723A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01243228A (en) * | 1988-03-23 | 1989-09-27 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
US6692848B2 (en) * | 2000-06-20 | 2004-02-17 | Hitachi, Ltd. | Magnetic disk apparatus |
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