JP4319522B2 - 光情報媒体 - Google Patents
光情報媒体 Download PDFInfo
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- JP4319522B2 JP4319522B2 JP2003372940A JP2003372940A JP4319522B2 JP 4319522 B2 JP4319522 B2 JP 4319522B2 JP 2003372940 A JP2003372940 A JP 2003372940A JP 2003372940 A JP2003372940 A JP 2003372940A JP 4319522 B2 JP4319522 B2 JP 4319522B2
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- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
- G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
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- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/007—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous phase
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- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
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- C—CHEMISTRY; METALLURGY
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- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3405—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of organic materials
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/12—Polymers provided for in subclasses C08C or C08F
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- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
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- C—CHEMISTRY; METALLURGY
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- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/44—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the composition of the continuous phase
- C03C2217/445—Organic continuous phases
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- C03—GLASS; MINERAL OR SLAG WOOL
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- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
- C03C2217/475—Inorganic materials
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/43—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase
- C03C2217/46—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase
- C03C2217/47—Coatings comprising at least one inhomogeneous layer consisting of a dispersed phase in a continuous phase characterized by the dispersed phase consisting of a specific material
- C03C2217/475—Inorganic materials
- C03C2217/478—Silica
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
- G11B2007/24302—Metals or metalloids
- G11B2007/2431—Metals or metalloids group 13 elements (B, Al, Ga, In)
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
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- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
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- G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
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- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
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- G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
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- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
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- G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
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- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25708—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 13 elements (B, Al, Ga)
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/25715—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing oxygen
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
- G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
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Description
(1) 支持基体上に、少なくとも記録層又は反射層を含む、1層又は複数層から構成される膜体を有する光情報媒体であって、前記支持基体側表面及び前記膜体側表面のうちの少なくとも一方の表面が、含フッ素ブロック共重合体(A)と、前記(A)以外の活性エネルギー線硬化性化合物(B)とを含むハードコート剤組成物の硬化物からなる厚さ0.5〜5μmのハードコート層によって形成されている光情報媒体であって、
前記含フッ素ブロック共重合体(A)は、フッ素含有セグメントと、ヒドロキシル基含有セグメントとを含み、且つ、
ヒドロキシル基含有セグメントに、分子中に1つのエチレン性不飽和二重結合及び1つのイソシアネート基を有するモノマーが、前記ヒドロキシル基及び前記イソシアネート基由来のウレタン結合を介して導入されたものである、光情報媒体。
不揮発分には、含フッ素ブロック共重合体(A)及び硬化性化合物(B)の他、後述する無機微粒子(C)、光重合開始剤、各種添加剤等の任意成分が含まれる。
(5) 無機微粒子(C)が、シリカ微粒子である、(4) に記載の光情報媒体。
(6) 無機微粒子(C)が、活性エネルギー線反応性基を有する加水分解性シラン化合物によって表面修飾されたものである、(4) 又は(5) に記載の光情報媒体。
まず、膜体側表面が記録/再生ビーム入射側表面とされる光情報媒体について説明する。
図2は、本発明の光ディスクの層構成の一例を示す概略断面図である。図2において、光ディスクは、支持基体(20)の情報ピットやプリグルーブ等の微細凹凸が形成されている側の面上に、反射層(3) 、第2誘電体層(52)、相変化記録材料層(4) 及び第1誘電体層(51)をこの順で有し、第1誘電体層(51)上に光透過層(7) を有し、光透過層(7) 上にハードコート層(8) を有する。この例では、反射層(3) 、第2誘電体層(52)、相変化記録材料層(4) 及び第1誘電体層(51)が情報記録層を構成する。また、前記情報記録層及び光透過層(7) が、記録又は再生のために必要な膜体を構成する。この光ディスクは、ハードコート層(8) 及び光透過層(7) を通して、すなわち膜体側から、記録又は再生のためのレーザー光が入射するように使用される。
式中、R1は、水素原子又はメチル基を表し、
R2は、-Cp H2P -, -C(Cp H2P+1)H-, -CH2C(Cp H2p+1)H-, 又は -CH2CH2O-を表し、
Rfは、-Cn F2n+1,-(CF2)n H,-(CF2) pOCn H2n C i F2i+1,-(CF2)p OCm H2m C i F2i H,
-N(Cp H2p+1)CO Cn F2n+1, 又は-N(Cp H2p+1)SO2Cn F2n+1 を表す。
但し、p は1〜10、nは1〜16、mは0〜10、iは0〜16の整数である。
CF3(CF2)7CH2CH2OCOCH=CH2, CF3CH2OCOCH=CH2, CF3(CF2)4CH2CH2OCOC(CH3)=CH2,
C7F15CON(C2H5)CH2OCOC(CH3)=CH2, CF3(CF2)7SO2N(CH3)CH2CH2OCOCH=CH2,
C2F5SO2N(C3H7)CH2CH2OCOC(CH3)=CH2, (CF3)2CF(CF2)6(CH2)3OCOCH=CH2,
(CF3)2CF(CF2)10(CH2)3OCOC(CH3)=CH2, CF3(CF2)4CH(CH3)OCOC(CH3)=CH2,
CF3CH2OCH2CH2OCOCH=CH2, C2F5(CH2CH2O)2CH2OCOC=CH2, (CF3)2CFO(CH2)5OCOCH=CH2,
CF3(CF2)4OCH2CH2OCOC(CH3)=CH2, C2F5CON(C2H5)CH2OCOCH=CH2,
CF3(CF2)2CON(CH3)CH(CH3)CH2OCOCH=CH2, H(CF2)6C(C2H5)OCOC(CH3)=CH2,
H(CF2)8CH2OCOCH=CH2, H(CF2)4CH2OCOCH=CH2, H(CF2)6CH2OCOC(CH3)=CH2,
CF3(CF2)7SO2N(CH3)CH2CH2OCOC(CH3)=CH2, CF3(CF2)7SO2N(CH3)(CH2)10OCOCH=CH2,
C2F5SO2N(C2H5)CH2CH2OCOC(CH3)=CH2, CF3(CF2)7SO2N(CH3)(CH2)4OCOCH=CH2,
C2F5SO2N(C2H5)C(C2H5)HCH2OCOCH=CH2
等が挙げられる。これらの単量体のうちから、1種又は2種以上が適宜選択して使用される。
メチル(メタ)アクリレート、エチル(メタ)アクリレート、プロピル(メタ)アクリレート、ブチル(メタ)アクリレート、シクロヘキシル(メタ)アクリレート、ステアリル(メタ)アクリレート、ラウリル(メタ)アクリレート、メトキシエチル(メタ)アクリレート、エトキシエチル(メタ)アクリレート、N,N-ジエチルアミノエチル(メタ)アクリレート、N,N-ジメチルアミノエチル(メタ)アクリレート、テトラヒドロフルフリル(メタ)アクリレート等が挙げられる。これらの単量体のうちから、1種又は2種以上が適宜選択して使用される。
次に、支持基体側表面が記録/再生ビーム入射側表面とされる光情報媒体について説明する。
攪拌機付丸型フラスコに、フッ素アクリルブロックコポリマー(製品名:モディパーF600、日本油脂(株)製)20重量部とプロピレングリコール−1−モノメチルエーテル−2−アセテート80重量部を仕込み、ゆっくりと攪拌した。
図2に示す層構成の光記録ディスクサンプルを次のように作製した。
情報記録のためにグルーブが形成されたディスク状支持基体(20)(ポリカーボネート製、直径120mm、厚さ1.1mm)のグルーブが形成された面上に、Al98Pd1 Cu1 (原子比)からなる厚さ100nmの反射層(3) をスパッタリング法により形成した。前記グルーブの深さは、波長λ=405nmにおける光路長で表してλ/6とした。グルーブ記録方式における記録トラックピッチは、0.32μmとした。
ウレタンアクリレートオリゴマー 50重量部
(三菱レイヨン(株)製、ダイヤビームUK6035)
イソシアヌル酸EO変性トリアクリレート 10重量部
(東亜合成(株)製、アロニックスM315)
イソシアヌル酸EO変性ジアクリレート 5重量部
(東亜合成(株)製、アロニックスM215)
テトラヒドロフルフリルアクリレート 25重量部
光重合開始剤(1−ヒドロキシシクロヘキシルフェニルケトン) 3重量部
反応性基修飾コロイダルシリカ(分散媒:プロピレングリコールモノメチルエーテルアセテート、不揮発分:40重量%) 100重量部
ジペンタエリスリトールヘキサアクリレート 48重量部
テトラヒドロフルフリルアクリレート 12重量部
プロピレングリコールモノメチルエーテルアセテート 40重量部
(非反応性希釈溶剤)
前記含フッ素ブロック共重合体1の溶液 13重量部
ハードコート層(8) の形成において、上記ハードコート剤に光重合開始剤として1−ヒドロキシシクロヘキシルフェニルケトン 3重量部を添加し、電子線照射に代わりに下記条件で紫外線照射して硬化させた以外は、実施例1と同様にしてディスクサンプルを作製した。
タイプ:高圧水銀灯(160W/cm),積算光量3J/cm2 ,ランプとの距離11cm
ハードコート剤の組成における前記含フッ素ブロック共重合体1の13重量部の代わりに、モディパーF600(日本油脂(株)製、不揮発分:100%)3重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
ハードコート剤の組成における前記含フッ素ブロック共重合体1の溶液13重量部の代わりに、フッ素系非架橋型界面活性剤フロラードFC−4430(住友スリーエム製)0.5重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
ハードコート剤の組成における前記含フッ素ブロック共重合体1の溶液13重量部の代わりに、フッ素系架橋型界面活性剤M−1820(ダイキン化成品販売(株))3重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
ハードコート剤の組成における前記含フッ素ブロック共重合体1の溶液13重量部の代わりに、フッ素系非架橋型界面活性剤フロラードFC−4430(住友スリーエム製)0.5重量部及びフッ素系架橋型界面活性剤ビスコート8F(大阪有機化学工業製)2重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
ハードコート剤の組成における前記含フッ素ブロック共重合体1の溶液13重量部の代わりに、フッ素系非架橋型界面活性剤フロラードFC−4430(住友スリーエム製)10重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
ハードコート剤の組成における前記含フッ素ブロック共重合体1の溶液13重量部の代わりに、フッ素系架橋型界面活性剤M−1820(ダイキン化成品販売(株))10重量部を用いた以外は、実施例2と同様にしてディスクサンプルを作製した。
実施例1〜3及び比較例1〜5で作製した各ディスクサンプルについて、以下に示す性能試験を行った。
各ディスクサンプルのハードコート表面の接触角を測定した。測定液として純水を用い、協和界面科学(株)製の接触角計 FACE CONTACT-ANGLEMETER を用いて、静止接触角を測定した。測定環境は、温度20℃、相対湿度60%であった。まず、初期の接触角(a) を測定した。
高温保存後の接触角(b) については、各ディスクサンプルを80℃(ドライ環境下)で500時間保存し、その後、上記と同条件で接触角を測定した。
溶剤払拭後の接触角(c) については、不織布(旭化成工業(株)製、ベンコットリントフリーCT−8)にアセトンを含浸させ、これを荷重1000g/cm2 にて各ディスクサンプルのハードコート表面に押し付けて100往復摺動させ、その後に、上記と同条件で接触角を測定した。
高温保存後の溶剤払拭後の接触角(d) については、各ディスクサンプルを80℃(ドライ環境下)に100時間保存した後、上記と同条件でアセトン溶剤払拭を行い、その後に、上記と同条件で接触角を測定した。
なお、上記アセトン溶剤払拭中にディスクサンプル表面が不織布との摩擦によって帯電したディスクサンプルは、充分に除電を行ってから、接触角を測定した。
各ディスクサンプルのハードコート表面の鉛筆硬度を、JIS K5400に準じて測定した。
表1から、実施例1〜3のディスクサンプルはいずれも、ハードコート表面の硬度を維持しつつ、防汚性及びその耐久性に優れていた。特に、実施例1、2のディスクサンプルは、アセトン溶剤払拭のような過酷な試験後においても、表面の耐久性に優れていた。さらに、実施例1のディスクサンプルは、高温保存後のアセトン溶剤払拭のような過酷な試験後においても、表面の耐久性に優れていた。
(3) :反射層
(52):第2誘電体層
(4) :記録層
(51):第1誘電体層
(7) :光透過層
(8) :ハードコート層
Claims (9)
- 支持基体上に、少なくとも記録層又は反射層を含む、1層又は複数層から構成される膜体を有する光情報媒体であって、前記支持基体側表面及び前記膜体側表面のうちの少なくとも一方の表面が、含フッ素ブロック共重合体(A)と、前記(A)以外の活性エネルギー線硬化性化合物(B)とを含むハードコート剤組成物の硬化物からなる厚さ0.5〜5μmのハードコート層によって形成されている光情報媒体であって、
前記含フッ素ブロック共重合体(A)は、フッ素含有セグメントと、ヒドロキシル基含有セグメントとを含み、且つ、
ヒドロキシル基含有セグメントに、分子中に1つのエチレン性不飽和二重結合及び1つのイソシアネート基を有するモノマーが、前記ヒドロキシル基及び前記イソシアネート基由来のウレタン結合を介して導入されたものである、光情報媒体。 - 前記ハードコート剤組成物は、組成物中の不揮発分100重量部に対して、含フッ素ブロック共重合体(A)0.1重量部以上10重量部以下を含む、請求項1に記載の光情報媒体。
- 前記ハードコート剤組成物は、さらに平均粒子径5nm以上100nm以下の無機微粒子(C)を含む、請求項1又は2に記載の光情報媒体。
- 無機微粒子(C)が、金属(又は半金属)酸化物の微粒子、又は金属(又は半金属)硫化物の微粒子である、請求項3に記載の光情報媒体。
- 無機微粒子(C)が、シリカ微粒子である、請求項4に記載の光情報媒体。
- 無機微粒子(C)が、活性エネルギー線反応性基を有する加水分解性シラン化合物によって表面修飾されたものである、請求項4又は5に記載の光情報媒体。
- 前記ハードコート剤組成物は、活性エネルギー線硬化性化合物(B)100重量部に対して、無機微粒子(C)5重量部以上500重量部以下を含む、請求項3〜6のうちのいずれか1項に記載の光情報媒体。
- 前記支持基体側表面及び前記膜体側表面のうちの光入射側とされる表面が、前記ハードコート層によって形成されている、請求項1〜7のうちのいずれか1項に記載の光情報媒体。
- 支持基体上に情報記録層と、情報記録層上の光透過層とを有し、光透過層上に前記ハードコート層を有する、請求項1〜8のうちのいずれか1項に記載の光情報媒体。
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JP2003372940A JP4319522B2 (ja) | 2003-10-31 | 2003-10-31 | 光情報媒体 |
PCT/JP2004/015864 WO2005043525A1 (ja) | 2003-10-31 | 2004-10-20 | 光情報媒体 |
DE112004001999T DE112004001999T5 (de) | 2003-10-31 | 2004-10-20 | Optisches Informationsmedium |
CNB2004800313481A CN100401401C (zh) | 2003-10-31 | 2004-10-20 | 光信息介质 |
US10/970,184 US7026030B2 (en) | 2003-10-31 | 2004-10-22 | Optical information medium |
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JP (1) | JP4319522B2 (ja) |
CN (1) | CN100401401C (ja) |
DE (1) | DE112004001999T5 (ja) |
WO (1) | WO2005043525A1 (ja) |
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- 2004-10-20 CN CNB2004800313481A patent/CN100401401C/zh not_active Expired - Fee Related
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- 2004-10-20 DE DE112004001999T patent/DE112004001999T5/de not_active Withdrawn
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WO2005043525A1 (ja) | 2005-05-12 |
CN1871645A (zh) | 2006-11-29 |
US20050112319A1 (en) | 2005-05-26 |
CN100401401C (zh) | 2008-07-09 |
JP2005135550A (ja) | 2005-05-26 |
US7026030B2 (en) | 2006-04-11 |
DE112004001999T5 (de) | 2006-09-07 |
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