JP5519956B2 - 導電性部材及びその製造方法 - Google Patents
導電性部材及びその製造方法 Download PDFInfo
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- JP5519956B2 JP5519956B2 JP2009122233A JP2009122233A JP5519956B2 JP 5519956 B2 JP5519956 B2 JP 5519956B2 JP 2009122233 A JP2009122233 A JP 2009122233A JP 2009122233 A JP2009122233 A JP 2009122233A JP 5519956 B2 JP5519956 B2 JP 5519956B2
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- Prior art keywords
- inorganic fine
- fine particles
- substrate
- silane monomer
- resin
- 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.)
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- 238000000034 method Methods 0.000 description 8
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- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
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- LZMNXXQIQIHFGC-UHFFFAOYSA-N 3-[dimethoxy(methyl)silyl]propyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)CCCOC(=O)C(C)=C LZMNXXQIQIHFGC-UHFFFAOYSA-N 0.000 description 1
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- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- 235000019698 starch Nutrition 0.000 description 1
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- 239000004094 surface-active agent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- SOLUNJPVPZJLOM-UHFFFAOYSA-N trizinc;distiborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-][Sb]([O-])([O-])=O.[O-][Sb]([O-])([O-])=O SOLUNJPVPZJLOM-UHFFFAOYSA-N 0.000 description 1
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- Manufacturing Of Electric Cables (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Laminated Bodies (AREA)
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Description
第2の無機微粒子として市販の酸化スズ(テイカ株式会社製、CP001)をメタノールに5.0質量%分散してpHを7.0にアンモニア水で調製した後、ビーズミルにより平均粒子径15nmに粉砕分散した。得られた分散溶液にシランモノマーとして不飽和結合部を有する3−メタクリロキシプロピルトリメトキシシラン(信越化学工業株式会社製、KBM-503)を微粒子に対して3.0質量%加えた後、この粉砕分散溶液を、冷却管を備えたフラスコに移してフラスコをオイルバスで加熱し、4時間還流下で処理することにより酸化スズ微粒子表面にシランモノマーを脱水縮合反応により化学結合させて被覆を形成した。
第1の無機微粒子として導電性酸化亜鉛(ハクスイテック株式会社製、パセット GK-40)、および、第2の無機微粒子として不飽和結合部を有するシランモノマーであるメタクリロキシプロピルトリメトキシシラン(信越化学工業株式会社製、KBM-503)を通常の方法により脱水縮合させ表面に共有結合させた酸化スズ(テイカ株式会社製、CP001)をメタノールにプレ分散後、ビーズミルにて平均粒子径が35nmとなるように解砕・分散し、それぞれの粒子が分散したスラリーを得た。導電性酸化亜鉛の充填量は固形分に対して70質量%とした。次に固形分が5.0質量%になるようにメタノールを加えて調整した以外は実施例1と同様の方法で導電性フィルムを得た。
第2の無機微粒子である酸化スズ微粒子の表面をシランモノマーで被覆しない以外は実施例1と同様の方法で導電性フィルムを得た。
得られた分散溶液中にバインダー成分としてハードコート剤(GE東芝シリコーン、UVHC8558)を、無機微粒子に対して50.0質量%添加した以外は比較例1と同様の方法で導電性フィルムを得た。
(1)表面抵抗値
絶縁抵抗計 4329A(横河・ヒューレット・パッカード株式会社製)にて導電性フィルムの表面抵抗値を測定し評価した。
導電性微粒子膜の密着性はJIS K 5400の碁盤目セロテープ(登録商標)剥離試験で試験し、剥離の状態は光学顕微鏡にて確認した。
1:基体
2−a:第2の無機微粒子
2−b:第1の無機微粒子
3:シランモノマー
4:バインダー成分
5:化学結合
10:導電膜
Claims (5)
- 基体と、
各々シランモノマーにより表面を被覆され、互いのシランモノマーの化学結合により結合した第2の無機微粒子と、前記互いに結合した第2の無機微粒子の群内に分散した導電性を有する第1の無機微粒子と、を含み、前記基体の表面に固定された導電膜と、
を備え、
前記導電膜は、
前記第2の無機微粒子同士が、表面に被覆したシランモノマーの不飽和結合部または反応性官能基同士の化学結合により結合しており、前記第2の無機微粒子のシランモノマーの不飽和結合部または反応性官能基と、前記基体表面との化学結合を介して前記基体に固定されていることを特徴とすることを特徴とする導電性部材。 - 前記導電膜は、モノマー、オリゴマー、またはそれらの混合物であるバインダー成分をさらに含み、
前記第1の無機微粒子は、前記バインダー成分を介して前記第2の無機微粒子とさらに強固に結合していることを特徴とする請求項1に記載の導電性部材。 - 前記化学結合がグラフト重合であることを特徴とする請求項1または2に記載の導電性部材。
- 前記グラフト重合は放射線グラフト重合であることを特徴とする請求項3に記載の導電性部材。
- 不飽和結合部または反応性官能基を有するシランモノマーを第2の無機微粒子の表面に共有結合させる工程と、
導電性を有する第1の無機微粒子と前記第2の無機微粒子とを分散媒中で解砕及び分散させ、前記第1の無機微粒子と前記第2の無機微粒子とを含むスラリーを作製する工程と、
前記スラリーを基体の表面に塗布する工程と、
前記スラリー中の前記第2の無機微粒子同士をシランモノマーの不飽和結合部または反応性官能基同士の化学結合により結合させ、前記第2の無機微粒子のシランモノマーの不飽和結合部または反応性官能基と前記基体表面とを化学結合させて、前記基体表面に導電膜を形成する工程と、
を有することを特徴とする導電性部材の製造方法。
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