JPWO2018135394A1 - 塗料組成物、光学部材及び照明装置 - Google Patents
塗料組成物、光学部材及び照明装置 Download PDFInfo
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Abstract
Description
本実施形態の塗料組成物は、基板に塗布して硬化させることにより、油分と埃の両方に対する防汚性が持続する塗膜を得ることができる。そして、塗料組成物は、得られる塗膜に対して撥水性を付与するためのフッ素樹脂と、塗膜に対して親水性を付与するための親水材料とを含有している。
次に、本実施形態に係る光学部材について、図面に基づき詳細に説明する。本実施形態に係る光学部材10は、図1に示すように、基板1と、基板1の少なくとも一面に設けられ、上述の塗料組成物より得られる塗膜2を備えるものである。
次に、本実施形態に係る照明装置について、図面に基づき詳細に説明する。本実施形態の照明装置100は、上述の光学部材10からなる導光板10Aと、導光板10Aに入射される光を放出する光源20とを備える。
本例において、水酸基を有するフッ素樹脂として、関東電化工業株式会社製エフクリア(登録商標)KD270Rを用いた。水酸基を有する親水材料として、和光純薬工業株式会社製の、平均分子量が約400であるポリエチレングリコールを用いた。連結材料として、東京化成工業株式会社製のイソホロンジイソシアナートを用いた。
水酸基を有する親水材料として、和光純薬工業株式会社製の、平均分子量が約200であるポリエチレングリコールを用いたこと以外は実施例1と同様にして、本例の光学部材を得た。
水酸基を有する親水材料として、和光純薬工業株式会社製の、平均分子量が約600であるポリエチレングリコールを用いたこと以外は実施例1と同様にして、本例の光学部材を得た。
本例において、水酸基を有するフッ素樹脂として、関東電化工業株式会社製エフクリアKD270Rを用いた。水酸基を有する親水材料及び連結材料として、中央自動車工業株式会社製の、エクセルピュアBD−P01を用いた。なお、エクセルピュアBD−P01は、親水材料であるシリカ微粒子と連結材料であるシラノール化合物が混合した化合物であり、シリカ微粒子の平均粒子径は10nm〜100nmである。
水酸基を有するフッ素樹脂であるエフクリアKD270Rの代わりに、アクリルポリオール樹脂である三菱レイヨン株式会社製LR2634を使用したこと以外は実施例1と同様にして、本例の光学部材を得た。なお、当該アクリルポリオール樹脂は、水酸基を有するが撥水性を付与しない樹脂である。
水酸基を有するフッ素樹脂であるエフクリアKD270Rの代わりに、関東電化工業株式会社製のエフクリアMD1700を使用したこと以外は実施例1と同様にして、本例の光学部材を得た。なお、エフクリアMD1700は撥水性を付与するフッ素樹脂であるが水酸基を有しないため、連結材料と結合することができない樹脂である。
水酸基を有する親水材料であるポリエチレングリコールの代わりに、アクリルポリオール樹脂である三菱レイヨン株式会社製LR2634を使用したこと以外は実施例1と同様にして、本例の光学部材を得た。なお、当該アクリルポリオール樹脂は、水酸基を有するが親水性を付与しない樹脂である。
水酸基を有するフッ素樹脂であるエフクリアKD270Rの代わりに、アクリルポリオール樹脂である三菱レイヨン株式会社製LR2634を使用したこと以外は実施例4と同様にして、本例の光学部材を得た。なお、当該アクリルポリオール樹脂は、水酸基を有するが撥水性を付与しない樹脂である。
水酸基を有するフッ素樹脂であるエフクリアKD270Rの代わりに、関東電化工業株式会社製のエフクリアMD1700を使用したこと以外は実施例4と同様にして、本例の光学部材を得た。なお、エフクリアMD1700は撥水性を付与するフッ素樹脂であるが水酸基を有しないため、連結材料と結合することができない樹脂である。
均一な塗膜が得られた実施例1〜4及び比較例1,3〜4の光学部材に対して、撥水撥油性を評価する油付着性試験と、帯電防止性を評価する埃付着性試験とを行った。
実施例1〜4及び比較例1,3〜4の塗膜に対して、2μLのオレイン酸を滴下させた後、5秒後の静的接触角を測定した。なお、静的接触角の測定は、接触角計(協和界面科学株式会社製CA−W150)を用いて行った。測定結果を表1に示す。なお、オレイン酸接触角については、油汚れの除去しやすさの観点から、40°以上を「良好」と評価し、40°未満を「不良」と評価した。
実施例1〜4及び比較例1,3〜4の塗膜に対して、表面抵抗値を測定した。具体的には、株式会社三菱化学アナリテック製の表面抵抗測定器(ハイレスタ(登録商標)IP MCP−HT260型)を用い、印加電圧100Vで表面抵抗値を測定した。この表面抵抗値は、日本工業規格JIS K6911−1995に基づく値である。
10 光学部材
10A 導光板
20 光源
100,100A 照明装置
Claims (7)
- 撥水性を付与し、かつ、水酸基を有するフッ素樹脂と、
親水性を付与し、かつ、水酸基を有する親水材料と、
水酸基と結合する複数の官能基を有し、前記フッ素樹脂と前記親水材料とを連結する連結材料と、
を含有する、塗料組成物。 - 前記親水材料がシリカ微粒子であり、前記連結材料がシラノール化合物及びアルコキシシランの少なくとも一方である、請求項1に記載の塗料組成物。
- 前記シリカ微粒子の平均粒子径が1nm〜100nmである、請求項2に記載の塗料組成物。
- 前記親水材料がポリエチレングリコール誘導体であり、前記連結材料がイソシアナート化合物である、請求項1に記載の塗料組成物。
- 前記ポリエチレングリコール誘導体の平均分子量が200〜600である、請求項4に記載の塗料組成物。
- 請求項1乃至5のいずれか一項に記載の塗料組成物より得られる塗膜を少なくとも表面の一部に備える、光学部材。
- 請求項6に記載の光学部材からなる導光板と、
前記導光板に入射される光を放出する光源と、
を備える、照明装置。
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JP2017007259 | 2017-01-19 | ||
JP2017007259 | 2017-01-19 | ||
PCT/JP2018/000593 WO2018135394A1 (ja) | 2017-01-19 | 2018-01-12 | 塗料組成物、光学部材及び照明装置 |
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JPWO2018135394A1 true JPWO2018135394A1 (ja) | 2019-12-19 |
JP7241298B2 JP7241298B2 (ja) | 2023-03-17 |
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US (1) | US20200123409A1 (ja) |
EP (1) | EP3572475A4 (ja) |
JP (1) | JP7241298B2 (ja) |
CN (1) | CN110191932A (ja) |
TW (1) | TWI661016B (ja) |
WO (1) | WO2018135394A1 (ja) |
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US20200109294A1 (en) * | 2018-10-09 | 2020-04-09 | GM Global Technology Operations LLC | Heterophasic anti-fouling, solvent-borne polymeric coating having a fluorinated continuous phase with non-fluorinated domains |
US10570292B1 (en) | 2018-10-09 | 2020-02-25 | GM Global Technology Operations LLC | Water-borne precursors for forming heterophasic anti-fouling, polymeric coatings having a fluorinated continuous phase with non-fluorinated domains |
US11421114B2 (en) | 2020-01-29 | 2022-08-23 | GM Global Technology Operations LLC | Precursors for forming heterophasic anti-fouling polymeric coatings |
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- 2018-01-12 US US16/477,895 patent/US20200123409A1/en not_active Abandoned
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CN110191932A (zh) | 2019-08-30 |
EP3572475A1 (en) | 2019-11-27 |
WO2018135394A1 (ja) | 2018-07-26 |
TW201831623A (zh) | 2018-09-01 |
JP7241298B2 (ja) | 2023-03-17 |
US20200123409A1 (en) | 2020-04-23 |
TWI661016B (zh) | 2019-06-01 |
EP3572475A4 (en) | 2020-02-05 |
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