JP5065696B2 - 光触媒塗料組成物の製造方法及び光触媒塗料組成物 - Google Patents
光触媒塗料組成物の製造方法及び光触媒塗料組成物 Download PDFInfo
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paints Or Removers (AREA)
Description
トリフルオロエチレン−ビニルエーテル交互共重合体(通称:ルミフロン(登録商標))であるフッ素樹脂を水酸基含有の塗料ビヒクル樹脂として61重量%、溶媒を39重量%含む予備配合組成物300gに、アナターゼ型二酸化チタン光触媒性結晶を多孔質シリカにより表面の一部(14%)を被覆した光触媒微粒子「マスクメロン型光触媒・超微粒」(太平化学産業株式会社製。平均粒径3μm)を45g配合し、ディスクミルを用いて4時間撹拌し濃縮塗料組成物を得た。ベース塗料組成物として、濃縮塗料組成物と同一比率で塗料ビヒクル樹脂及び溶媒を含み、且つ紫外線吸収剤や酸化防止剤といった添加剤、及び架橋剤等の硬化剤を少量含有するフッ素樹脂塗料「フロンコート」(川上塗料株式会社製)を10.5kg用い、このベース塗料組成物に、基本構造をSinOn−1(OEt)2n+2(但しn≒10)とする親水化剤「エチルシリケート48」(コルコート株式会社製)を314g配合し、更に前記濃縮塗料組成物を配合してハンディミキサーで2分間撹拌して、本発明に係わる実施例1の光触媒塗料組成物を得た。
ディスクミルによる撹拌中に蒸発した分の溶媒を補充しながら23時間撹拌した以外は実施例1と同じにして、実施例2の本発明に係わる光触媒塗料組成物を得た。
ポリエステル系樹脂を水酸基含有の塗料ビヒクル樹脂として69重量%、溶媒を31重量%含む予備配合組成物300gに、アナターゼ型二酸化チタン光触媒性結晶を多孔質シリカにより表面の一部(14%)を被覆した光触媒微粒子「マスクメロン型光触媒・超微粒」(太平化学産業株式会社製。平均粒径3μm)を45g配合し、ディスクミルを用いて9時間撹拌し濃縮塗料組成物を得た。ベース塗料組成物として、濃縮塗料組成物と同一比率で塗料ビヒクル樹脂及び溶媒を含み、且つ紫外線吸収剤や酸化防止剤といった添加剤、及び架橋剤等の硬化剤を少量含有するポリエステル系樹脂塗料「コイルコート400」(川上塗料株式会社製)を10.5kg用い、このベース塗料組成物に、基本構造をSinOn−1(OEt)2n+2(但しn≒10)とする親水化剤「エチルシリケート48」(コルコート株式会社製)を314g配合し、更に前記濃縮塗料組成物を配合してハンディミキサーで2分間撹拌して、本発明に係わる実施例3の光触媒塗料組成物を得た。
配合する濃縮塗料組成物の量を半分とした以外は実施例3と同じにして、実施例4の本発明に係わる光触媒塗料組成物を得た。
配合する濃縮塗料組成物の量を1.5倍とした以外は実施例3と同じにして、実施例5の本発明に係わる光触媒塗料組成物を得た。
配合する親水化剤の量を1.5倍とした以外は実施例3と同じにして、実施例6の本発明に係わる光触媒塗料組成物を得た。
上記ポリエステル系樹脂塗料「コイルコート400」(川上塗料株式会社製)を10.5kgに、光触媒微粒子「マスクメロン型光触媒・超微粒」を45g直接配合し、ディスクミルを用いて9時間撹拌して比較例1の光触媒塗料組成物を得た。
光触媒微粒子に加え、更に上記親水化剤「エチルシリケート48」を314g配合した以外は比較例1と同じにして、比較例2の光触媒塗料組成物を得た。
上記フッ素樹脂塗料「フロンコート」のみを用いる。
上記ポリエステル系樹脂塗料「コイルコート400」のみを用いる。
Claims (2)
- 水酸基含有の塗料ビヒクル樹脂と溶媒とを含むベース塗料組成物に光触媒微粒子を配合する光触媒塗料組成物の製造方法であって、光触媒塗料組成物全体に必要な量の光触媒微粒子を、ベース塗料組成物を構成する塗料ビヒクル樹脂及び溶媒のみを含む予備配合組成物中に均一に分散させて濃縮塗料組成物を形成し、該濃縮塗料組成物を親水化剤を含むベース塗料組成物中に分散させると共に、前記親水化剤としてオルガノシリケート化合物を用いることを特徴とする光触媒塗料組成物の製造方法。
- 前記光触媒微粒子は、光触媒機能を備えた光触媒性結晶の表面の一部が光触媒機能に対して不活性な保護物質により被覆されたものであることを特徴とする請求項1に記載の光触媒塗料組成物の製造方法。
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JP3584935B1 (ja) * | 2003-04-18 | 2004-11-04 | 日本軽金属株式会社 | 光触媒塗膜用下地塗料組成物及び光触媒塗装製品並びに光触媒塗装製品の製造方法 |
JP2006082071A (ja) * | 2004-02-20 | 2006-03-30 | Sekisui Jushi Co Ltd | 光触媒組成物、内装用建材、塗料、合成樹脂成形体、光触媒の活用方法及び有害物質の分解方法 |
JP4676707B2 (ja) * | 2004-03-05 | 2011-04-27 | アキレス株式会社 | 光触媒塗料及び光触媒性塗膜 |
JP2005307406A (ja) * | 2004-04-23 | 2005-11-04 | Daifuku Paper Mfg Co Ltd | 光触媒機能を有する紙及びその製造方法 |
JP2006008902A (ja) * | 2004-06-28 | 2006-01-12 | Sakuranomiya Kagaku Kk | 光触媒塗料組成物 |
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