JP4003934B2 - Antifouling decorative board - Google Patents
Antifouling decorative board Download PDFInfo
- Publication number
- JP4003934B2 JP4003934B2 JP2002087644A JP2002087644A JP4003934B2 JP 4003934 B2 JP4003934 B2 JP 4003934B2 JP 2002087644 A JP2002087644 A JP 2002087644A JP 2002087644 A JP2002087644 A JP 2002087644A JP 4003934 B2 JP4003934 B2 JP 4003934B2
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- JP
- Japan
- Prior art keywords
- resin
- impregnated
- silicone
- paper
- film
- 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.)
- Expired - Fee Related
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- 230000003373 anti-fouling effect Effects 0.000 title claims description 12
- 239000000123 paper Substances 0.000 claims description 29
- 229920001296 polysiloxane Polymers 0.000 claims description 24
- 229920005989 resin Polymers 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 24
- 239000011230 binding agent Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 11
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000001699 photocatalysis Effects 0.000 claims description 5
- 239000004447 silicone coating Substances 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000011941 photocatalyst Substances 0.000 description 25
- -1 octylphenol Chemical compound 0.000 description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 229920000877 Melamine resin Polymers 0.000 description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 239000010936 titanium Substances 0.000 description 8
- 229910052719 titanium Inorganic materials 0.000 description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 239000004640 Melamine resin Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
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- 238000000576 coating method Methods 0.000 description 6
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
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- 238000000354 decomposition reaction Methods 0.000 description 4
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
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- 239000000126 substance Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
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- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 2
- 238000007611 bar coating method Methods 0.000 description 2
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- GZVHEAJQGPRDLQ-UHFFFAOYSA-N 6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 GZVHEAJQGPRDLQ-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000533901 Narcissus papyraceus Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
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- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- NJYZCEFQAIUHSD-UHFFFAOYSA-N acetoguanamine Chemical compound CC1=NC(N)=NC(N)=N1 NJYZCEFQAIUHSD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- LLEMOWNGBBNAJR-UHFFFAOYSA-N biphenyl-2-ol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 1
- ZZHNUBIHHLQNHX-UHFFFAOYSA-N butoxysilane Chemical compound CCCCO[SiH3] ZZHNUBIHHLQNHX-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
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- 239000008119 colloidal silica Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 239000002537 cosmetic Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- ZZNQQQWFKKTOSD-UHFFFAOYSA-N diethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OCC)(OCC)C1=CC=CC=C1 ZZNQQQWFKKTOSD-UHFFFAOYSA-N 0.000 description 1
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 description 1
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
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- 238000006266 etherification reaction Methods 0.000 description 1
- RSIHJDGMBDPTIM-UHFFFAOYSA-N ethoxy(trimethyl)silane Chemical compound CCO[Si](C)(C)C RSIHJDGMBDPTIM-UHFFFAOYSA-N 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
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- POPACFLNWGUDSR-UHFFFAOYSA-N methoxy(trimethyl)silane Chemical compound CO[Si](C)(C)C POPACFLNWGUDSR-UHFFFAOYSA-N 0.000 description 1
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- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
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Images
Description
【０００１】
【産業上の利用分野】
本発明は化粧板に関し，より詳しくは表面の汚れが光により分解されやすい防汚性化粧板に関する。
【０００２】
【従来の技術】
従来，テーブル，カウンター，キッチンなどの水平面や，壁，ブースなどの垂直面に供される化粧板があり，例えば耐摩耗性，耐衝撃性などの諸物性に優れるジアリルフタレート樹脂化粧板やメラミン樹脂化粧板などの熱硬化性樹脂化粧板が広く用いられている。
【０００３】
【発明が解決しようとする課題】
しかしながら，化粧板の表面には日常生活上種々の汚染物質が付着し，放置すると容易に除去できなくなることがあった。
特に化粧表面にエンボス加工が施されている場合は，力を入れて布等で擦ることを余儀なくされ，たとえ表面がフラットであっても，その表面は金属プレートやプラスチックフィルムの超微細な面が転写されたものであることから簡単に，しかも楽に汚れを除去できるというものではなかった。
【０００４】
【課題を解決するための手段】
本発明はかかる状況に鑑み検討されたもので以下のことを特徴とするものである。すなわち，基材と，樹脂含浸化粧紙と，プラスチックフィルムにシリコーン系バインダーが塗布されたシリコーン塗布フィルムとを順次積層し，熱圧成形後，該プラスチックフィルムを除去し，光触媒コーティング剤を塗布することを特徴とする防汚性化粧板の製造方法，該樹脂含浸化粧紙と，該シリコーン塗布フィルムの間に，樹脂含浸表面紙を積層することを特徴とする請求項１記載の防汚性化粧板の製造方法である。
【０００５】
【作用】
本発明で示されるように，シリコーン系バインダー塗布したプラスチックフィルムを熱圧成形して，表面にプライマー層を設けた後，光触媒コーティング剤を塗布することにより，化粧表面に光触媒層を形成することができる。
以下，本発明について詳細に説明する。
【０００６】
発明の詳細な説明
本発明で用いる基材としては，化粧板用のクラフト紙，不織布，クロスなどに熱硬化性樹脂から樹脂を含浸処理した樹脂含浸コア紙や，合板，ＭＤＦ（中密度繊維板），パーティクルボードなどの木質系基材が挙げられ，適宜用途，要求される品質により選択される。
【０００７】
中でも，耐水性，強度，耐熱性などの物性面からクラフト紙を用いた樹脂含浸コア紙が好ましく，含浸用に供される樹脂としては，フェノール樹脂，不飽和ポリエステル樹脂，アミノ−ホルムアルデヒド樹脂などの熱硬化性樹脂からなる樹脂液を含浸し，乾燥したものが用いられるが，とりわけ，強度，耐熱性などに優れるフェノール樹脂が好ましい。フェノール樹脂はフェノール類とアルデヒド類とをフェノール性水酸基１モルに対してアルデヒド類を１〜１．３モルの割合で塩基性触媒下にて反応させることにより得ることができる。
【０００８】
フェノール類としては，フェノール，クレゾール，キシレノール，オクチルフェノール，フェニルフェノール，ビスフェノールＡ，ビスフェノールＳ，ビスフェノールＦなどが挙げられ，アルデヒド類としては，ホルムアルデヒド，パラホルムアルデヒド，グリオキザール，トリオキザールなどが挙げられる。また，必要に応じてパラスルフォンアミド，桐油，ＤＯＰ，ＴＣＰ（トリクレジルホスフェート）などの可塑化を促す変性剤で変性されたものも適用でき，塩基性触媒としては，ナトリウム，カリウムなどのアルカリ金属，及びマグネシウム，カルシウムなどのアルカリ土類金属の酸化物や水酸化物，及びトリエチルアミン，トリエタノールアミンなどのアミン類が挙げられる。
【０００９】
樹脂含浸化粧紙は，坪量が２０〜２００ｇ／ｍ2で，着色，あるいは印刷により各種の模様を施した化粧紙に熱硬化性樹脂からなる樹脂液を含浸処理したもので，熱硬化性樹脂としては，ジアリルフタレート樹脂，不飽和ポリエステル樹脂，アミノ−ホルムアルデヒド樹脂，あるいはこれらの混合物などが例示され，とりわけ，耐熱性，耐水性などの表面物性の面からアミノ−ホルムアルデヒド樹脂を用いるのが好ましい。
【００１０】
アミノ−ホルムアルデヒド樹脂としてはアミノ化合物，例えばメラミン，尿素，ベンゾグアナミン，アセトグアナミンなどとホルムアルデヒドを反応させた初期縮合物のほか，メチルアルコール，エチルアルコールなどの低級アルコ−ルによるエ−テル化，パラトルエンスルホンアミドなどの可塑化を促す反応性変性剤で変性されたものが適用できる。
【００１１】
樹脂含浸表面紙は，樹脂含浸化粧紙の柄を保護し、傷がつきにくくするためのもので，坪量が２０〜４０ｇ／ｍ2で化粧板用の表面紙に前述のアミノ−ホルムアルデヒド樹脂を含浸したものが適用できる。
【００１２】
本発明で用いるシリコーン塗布フィルムは，シリコーン系バインダーをプラスチックフィルムに公知の手段，例えば，リバースロール法、ダイレクトロール法、ブレード法、ナイフ法、カーテン法、グラビアロール法、バーコート法、ディップ法、キスコート法、スクイズ法、噴霧、吹き付けなどにより付着させたものである。
【００１３】
シリコーン系バインダーは後述の光触媒コーティング剤との密着を強固にし，光触媒を固着するためのもので，シリコーン系バインダーとしては，光触媒作用による分解機能の影響を受けない化１で示されるシラン化合物，あるいは分解機能に耐えるポリシロキサン，シリコーン変性樹脂などが利用できる。
【００１４】
【化１】
【００１５】
Ｘについて式中バインダーとして効果的なものはアルコキシ基で，ｎが０〜３の整数であるアルコキシシランとしては，例えば，ｎが０の場合，テトラメトキシシラン，テトラエトキシシラン，テトラプロポキシシラン，テトラブトキシシランなどの４官能シランが挙げられる。ｎが１の場合は，メチルトリメトキシシラン，メチルトリエトキシシラン，エチルトリメトキシシラン，エチルトリエトキシシラン，プロピルトリメトキシシラン，プロピルトリエトキシシランなど３官能シランが挙げられる。ｎが２の場合は，ジメチルジメトキシシラン，ジメチルジエトキシシラン，ジフェニルジメトキシシラン，ジフェニルジエトキシシランなどの２官能シランが挙げられる。ｎが３の場合は，トリメチルメトキシシラン，トリメチルエトキシシラン，トリメチルイソプロポキシシラン，ジメチルイソブチルメトキシシランなどの単官能シランが挙げられる。
【００１６】
ポリシロキサンとしては，前述のアルコキシシランの如き加水分解性シリコーン化合物モノマーあるいはこれらの部分加水分解生成物から得られる重合体や，コロイダルシリカなどを挙げることができる。
【００１７】
シリコーン変性樹脂は，合成樹脂にシリコーンを導入したもので，合成樹脂としては，例えば，アクリル樹脂，エポキシ樹脂，アルキッド樹脂，ウレタン樹脂，ポリエステル樹脂などの合成樹脂などが挙げられる。シリコーンが導入された合成樹脂の内，アクリルシリコーン樹脂，エポキシシリコーン樹脂は，成膜性，膜強度及び担体との密着性の点で優れている。
【００１８】
また，前述のシリコーン系バイダーの支持基材であるフィルムには，各種プラスチックフィルムを用いることができ，例えば，ポリエステルフィルム，ポリプロピレン，ポリエチレンなどのポリオレフィンフィルム，ナイロンに代表されるポリアミドフィルム，ポリ塩化ビニルフィルム，ポリカーボネートフィルム，アクリル系フィルム，フッ素系フィルムなどを挙げることができる。これらのうち，機械的強度，寸法安定性などが優れポリエステルフィルムが好ましく用いられる。
【００１９】
ポリエステルフィルムは，エステル結合を主鎖の主要な結合鎖とする高分子化合物からなるフィルムの総称であり，特に好ましいポリエステルフィルムとしては，ポリエチレンテレフタレートフィルム，ポリエチレン−２，６ナフタレートフィルム，ポリブチレンテレフタレートフィルム，ポリブチレン−２，６ナフタレートフィルムなどを挙げることができ，これらの中でもポリエチレンテレフタレートフィルム，ポリエチレン−２，６ナフタレートフィルムが好ましい。
【００２０】
表面に塗布される光触媒コーティング剤は光触媒とシリコン系バインダー，及び必要に応じて用いる光触媒活性触媒などからなるもので，光触媒は，特定の波長の光が照射されると光化学反応を起こすことにより有機物を分解する触媒として作用したり，抗菌または防黴作用等の働きが得られる金属酸化物のことをいい，例えば，酸化チタン（ＴｉＯ2），酸化亜鉛（ＺｎＯ），酸化錫（ＳｎＯ），チタン酸ストロンチウム（ＳｒＴｉＯ3），酸化セリウム（ＣｅＯ），酸化鉄（Ｆｅ2Ｏ3）等が挙げられ，これらの酸化物のうち，太陽光や日常生活で用いられる照明光で高い触媒活性を有する酸化チタンがとりわけ望ましい。
【００２１】
酸化チタンとしてはルチル型酸化チタン，アナターゼ型酸化チタン，フルッカイト型酸化チタンなどが例示されるが，アナターゼ型の方が入手しやすく安価で特性が安定しており，かつ，人体に無害であり，光触媒として優れた効果を発揮し好ましい。
【００２２】
更に，熱硬化性樹脂化粧板の表面の柄，色調を妨げない範囲で白金，ルテニウム，銀，酸化ルテニウム，ニオブ，銅，スズ，酸化ニッケルなどの金属及び金属酸化物を光触媒活性促進剤として酸化チタン表面に付着または被覆させてもよい。
【００２３】
フィルムに塗布するシリコーン系バインダーと，表面塗布用の光触媒コーティング剤に含まれるシリコーン系バインダーは同一組成のものでも異なる組成ものでもよく，化粧表面に光触媒を固着させるためのプライマー層となりえばよい。光触媒コーティング剤中のシリコーン系バインダーには，良好な硬度と平滑性を確保するためにポリシロキサンを併用するのが望ましい。
【００２４】
光触媒コーティング剤中には光触媒である金属酸化物とシリコーン系バインダーとの密着性をより強固なものとするため，チタニウム系カップリング剤，シラン系カップリング剤を含ませてもよい。
【００２５】
光触媒コ−ティング組成物の塗布方法としては，スプレ−コ−ティング法，フロ−コ−ティング法，バーコート法，ロ−ルコ−ティング法，刷毛塗り，スポンジ塗りなどの公知の方法が利用できる。
【００２６】
光触媒を光励起させるための光源としては，蛍光灯，白熱電灯，メタルハライドランプ，水銀ランプ，太陽光などが挙げられる。
【００２７】
以下，本発明について，実施例，比較例に基づいてより詳細に説明する。
【実施例】
実施例１
シリコーン塗布フィルム
厚み５０μｍのポリエチレンテレフタレートフィルムに，シリコーン系バインダーとしてアクリルシリコン樹脂エマルジョン（チタン工業株式会社製 ＰＣＵ−１０３）を１０μｍの厚さに塗布してシリコーン塗布フィルムを得た。
メラミン樹脂含浸表面紙
メラミンに対するホルムアルデヒドのモル比が１．５のメラミン初期縮合物にパラトルエンスルホン酸アミド６部，硬化剤（キャタニットＡ 日東理研工業株式会社社製）３部，離型剤１部（セパ−ル３２８ 中京油脂株式会社社製）を添加してメラミン樹脂液を得た，坪量２２ｇ／ｍ2の表面紙に含浸用樹脂を含浸量が固形分換算値で５５ｇ／ｍ2となるように含浸し乾燥してメラミン樹脂含浸表面紙を得た。
メラミン樹脂含浸化粧紙
坪量１００ｇ／ｍ2の白色無柄の化粧紙に前記のメラミン樹脂液を含浸量が固形分換算値で１００ｇ／ｍ2となるように含浸し乾燥してメラミン樹脂含浸化粧紙を得た。
フェノール樹脂含浸紙
フェノールとホルムアルデヒドのモル比を１：１．１５とし水酸化ナトリウム下で反応させてレゾール型フェノール樹脂を得た後，１９０ｇ／ｍ2のクラフト紙に含浸量が固形分換算値で９０ｇ／ｍ2となるように含浸し乾燥してフェノール樹脂含浸紙を得た。
防汚性化粧板の製造
５枚のフェノール樹脂含浸紙とメラミン樹脂含浸化粧紙とメラミン樹脂含浸表面紙とを積層し，シリコーン塗布フィルム，ステンレスプレートを配し，温度１７０℃，圧力５０ｋｇ／ｃｍ2，時間１００分の条件で熱圧成形した。
熱圧成形後，シリコーン塗布フィルム，ステンレスプレートを除去し，酸化チタンとアクリルシリコン樹脂エマルジョンなどからなる酸化チタン光触媒塗料（チタン工業株式会社製 ＰＣ−４０１）を１μｍ塗布して実施例１の防汚性化粧板を得た。
【００２８】
比較例１
実施例１において，シリコーン塗布フィルムを用いず，熱圧成形した後，表面にシリコーン系バインダーとしてアクリルシリコン樹脂エマルジョン（チタン工業株式会社製 ＰＣＵ−１０３）を１０μｍの厚さに塗布し，酸化チタン光触媒塗料（チタン工業株式会社製 ＰＣ−４０１）を１μｍ塗布して比較例１の化粧板を得た。
【００２９】
比較例２
実施例１において，シリコーン塗布フィルムを用いず，酸化チタン光触媒塗料を塗布しなかった以外は同様に実施して比較例１の化粧板を得た。
【００３０】
評価結果を表１に示す。
【表１】
評価方法
光触媒・アンダーコート密着性
実施例１の防汚性化粧板，比較例１の化粧板にセロハンテープを密着させ，剥離後の状態を観察し，
光触媒層の剥離のないものを○，
光触媒層の剥離があるものを×，
とした。
光触媒分解機能
実施例１の防汚性化粧板，比較例１，２の化粧板に，２０倍希釈の赤インクを塗布し，色測計にてＬａｂを測定し，１０Ｗブラックライト１０ｃｍ直下に１７時間曝し，Ｌａｂを測定して色差ΔＥを求めた。
ΔＥが１０以上を○，
ΔＥが３〜１０を△，
ΔＥが３未満を×
とした。
表面状態：バインダー，光触媒の脱落がないものを○，脱落があるものを×とした。
【００３２】
実施例では，樹脂含浸表面紙の表面にプライマー層を形成したが，樹脂含浸表面紙を用いず，樹脂含浸化粧紙の上に形成してもよく、光触媒分解機能に影響はない。
【００３３】
【発明の効果】
本発明の防汚性化粧板は，化粧表面に光触媒層が形成されているため有機物分解力の機能性を保持しており，付着した汚れが拭き取りやすいものとなる。従って，本発明の防汚性化粧板は，台所，トイレなどを構成する部材の表面材として好適に用いることができる。
【図面の簡単な説明】
【図１】 実施例１の防汚性化粧板の断面図。
【符号の説明】
１ 基材
２ 樹脂含浸化粧紙
３ 樹脂含浸表面紙
５ 光触媒層
９ 防汚性化粧板[0001]
[Industrial application fields]
The present invention relates to a decorative board, and more particularly to an antifouling decorative board in which dirt on the surface is easily decomposed by light.
[0002]
[Prior art]
Conventionally, there are decorative panels provided on horizontal surfaces such as tables, counters, and kitchens, and vertical surfaces such as walls and booths. For example, diallyl phthalate resin decorative sheets and melamine resins that have excellent physical properties such as wear resistance and impact resistance. Thermosetting resin decorative boards such as decorative boards are widely used.
[0003]
[Problems to be solved by the invention]
However, various pollutants adhere to the surface of the decorative board in daily life, and if left untreated, they may not be easily removed.
In particular, when the decorative surface is embossed, it must be rubbed with a cloth or the like with force, and even if the surface is flat, the surface is a very fine surface of a metal plate or plastic film. Since it was a transferred one, it was not easy and easy to remove dirt.
[0004]
[Means for Solving the Problems]
The present invention has been studied in view of such circumstances, and is characterized by the following. That is, a base material, a resin-impregnated decorative paper, and a silicone-coated film in which a silicone binder is applied to a plastic film are sequentially laminated, and after hot pressing, the plastic film is removed and a photocatalytic coating agent is applied . 2. A method for producing an antifouling decorative board , comprising: laminating a resin-impregnated surface paper between the resin-impregnated decorative paper and the silicone-coated film. It is a manufacturing method .
[0005]
[Action]
As shown in the present invention, a photocatalyst layer can be formed on a decorative surface by hot pressing a plastic film coated with a silicone binder, providing a primer layer on the surface, and then applying a photocatalyst coating agent. it can.
The present invention will be described in detail below.
[0006]
DETAILED DESCRIPTION OF THE INVENTION Substrates used in the present invention include resin-impregnated core paper, plywood, MDF (medium density fiberboard) obtained by impregnating resin from a thermosetting resin into craft paper, nonwoven fabric, cloth, etc. for decorative boards. ), And woody base materials such as particle board, which are appropriately selected according to the application and required quality.
[0007]
Among them, a resin-impregnated core paper using kraft paper is preferable from the viewpoint of physical properties such as water resistance, strength, and heat resistance, and resins used for impregnation include phenol resins, unsaturated polyester resins, amino-formaldehyde resins, and the like. A resin that is impregnated with a thermosetting resin and dried is used. In particular, a phenol resin having excellent strength and heat resistance is preferred. The phenol resin can be obtained by reacting phenols and aldehydes in the proportion of 1 to 1.3 moles of aldehydes with a basic catalyst with respect to 1 mole of phenolic hydroxyl groups.
[0008]
Examples of phenols include phenol, cresol, xylenol, octylphenol, phenylphenol, bisphenol A, bisphenol S, and bisphenol F. Examples of aldehydes include formaldehyde, paraformaldehyde, glyoxal, and trioxal. In addition, those modified with a modifier that promotes plasticization such as parasulfonamide, tung oil, DOP, and TCP (tricresyl phosphate) can be applied as necessary. As basic catalysts, alkalis such as sodium and potassium can be used. Examples thereof include oxides and hydroxides of metals and alkaline earth metals such as magnesium and calcium, and amines such as triethylamine and triethanolamine.
[0009]
Resin-impregnated decorative paper is a paper that has a basis weight of 20 to 200 g / m 2 and is impregnated with a resin solution made of a thermosetting resin on decorative paper that is colored or printed with various patterns. Examples thereof include diallyl phthalate resin, unsaturated polyester resin, amino-formaldehyde resin, and a mixture thereof. In particular, amino-formaldehyde resin is preferably used from the viewpoint of surface properties such as heat resistance and water resistance.
[0010]
Amino-formaldehyde resins include amino compounds such as melamine, urea, benzoguanamine, acetoguanamine, etc., initial condensates, etherification with lower alcohols such as methyl alcohol and ethyl alcohol, and paratoluene. Those modified with a reactive modifier that promotes plasticization such as sulfonamide can be applied.
[0011]
The resin-impregnated surface paper is for protecting the pattern of the resin-impregnated decorative paper and making it difficult to be damaged. The above-mentioned amino-formaldehyde resin is applied to the surface paper for the decorative board with a basis weight of 20 to 40 g / m 2. What was impregnated can be applied.
[0012]
The silicone-coated film used in the present invention is a known means for applying a silicone binder to a plastic film, for example, reverse roll method, direct roll method, blade method, knife method, curtain method, gravure roll method, bar coating method, dip method, It is attached by kiss coat method, squeeze method, spraying, spraying or the like.
[0013]
Silicone binders are used to strengthen adhesion to the photocatalyst coating agent described later and fix the photocatalyst. As silicone binders, the silane compound represented by Chemical Formula 1 that is not affected by the decomposition function due to photocatalysis, or Polysiloxane and silicone-modified resin that can withstand the decomposition function can be used.
[0014]
[Chemical 1]
[0015]
In the formula, an effective binder as X is an alkoxy group, and as an alkoxysilane in which n is an integer of 0 to 3, for example, when n is 0, tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, tetra A tetrafunctional silane such as butoxysilane may be mentioned. When n is 1, trifunctional silanes such as methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrimethoxysilane, and propyltriethoxysilane are exemplified. When n is 2, bifunctional silanes such as dimethyldimethoxysilane, dimethyldiethoxysilane, diphenyldimethoxysilane, and diphenyldiethoxysilane are exemplified. When n is 3, monofunctional silanes such as trimethylmethoxysilane, trimethylethoxysilane, trimethylisopropoxysilane, and dimethylisobutylmethoxysilane are exemplified.
[0016]
Examples of the polysiloxane include hydrolyzable silicone compound monomers such as alkoxysilanes described above, polymers obtained from these partial hydrolysis products, colloidal silica, and the like.
[0017]
The silicone-modified resin is obtained by introducing silicone into a synthetic resin. Examples of the synthetic resin include synthetic resins such as acrylic resin, epoxy resin, alkyd resin, urethane resin, and polyester resin. Among the synthetic resins in which silicone is introduced, acrylic silicone resins and epoxy silicone resins are excellent in terms of film formability, film strength, and adhesion to the carrier.
[0018]
In addition, various plastic films can be used for the film that is the support base material for the silicone-based binder, such as polyester films, polyolefin films such as polypropylene and polyethylene, polyamide films represented by nylon, polyvinyl chloride, and the like. Examples thereof include a film, a polycarbonate film, an acrylic film, and a fluorine film. Of these, a polyester film is preferably used because of its excellent mechanical strength and dimensional stability.
[0019]
Polyester film is a general term for films composed of polymer compounds having an ester bond as the main bond chain. Particularly preferred polyester films include polyethylene terephthalate film, polyethylene-2,6 naphthalate film, and polybutylene terephthalate. A film, a polybutylene-2,6 naphthalate film, etc. can be mentioned, Among these, a polyethylene terephthalate film and a polyethylene-2,6 naphthalate film are preferable.
[0020]
The photocatalyst coating agent applied to the surface consists of a photocatalyst, a silicon-based binder, and a photocatalytically active catalyst used as necessary. The photocatalyst is an organic substance by causing a photochemical reaction when irradiated with light of a specific wavelength. This refers to metal oxides that act as a catalyst for decomposing oxygen and that can provide antibacterial or antifungal action, such as titanium oxide (TiO 2 ), zinc oxide (ZnO), tin oxide (SnO), titanium Examples include strontium acid (SrTiO 3 ), cerium oxide (CeO), iron oxide (Fe 2 O 3 ), etc. Among these oxides, oxidation having high catalytic activity in sunlight or illumination light used in daily life Titanium is particularly desirable.
[0021]
Examples of titanium oxide include rutile type titanium oxide, anatase type titanium oxide, flukite type titanium oxide, etc., but anatase type is easier to obtain, cheaper and more stable, and harmless to the human body. It is preferable because it exhibits an excellent effect as a photocatalyst.
[0022]
Furthermore, metals and metal oxides such as platinum, ruthenium, silver, ruthenium oxide, niobium, copper, tin, and nickel oxide are oxidized as photocatalytic activity promoters within the range that does not interfere with the pattern and color tone of the thermosetting resin decorative board. The titanium surface may be attached or coated.
[0023]
The silicone binder applied to the film and the silicone binder contained in the photocatalyst coating agent for surface coating may be the same composition or different compositions, and may be a primer layer for fixing the photocatalyst to the decorative surface. It is desirable to use polysiloxane in combination with the silicone binder in the photocatalyst coating agent in order to ensure good hardness and smoothness.
[0024]
In the photocatalyst coating agent, a titanium coupling agent or a silane coupling agent may be included in order to further strengthen the adhesion between the metal oxide as a photocatalyst and the silicone binder.
[0025]
As a coating method of the photocatalyst coating composition, known methods such as spray coating method, flow coating method, bar coating method, roll coating method, brush coating, and sponge coating can be used. .
[0026]
Examples of the light source for photoexciting the photocatalyst include fluorescent lamps, incandescent lamps, metal halide lamps, mercury lamps, and sunlight.
[0027]
Hereinafter, the present invention will be described in more detail based on examples and comparative examples.
【Example】
Example 1
A silicone-coated film was obtained by applying an acrylic silicone resin emulsion (PCU-103, manufactured by Titanium Industry Co., Ltd.) to a thickness of 10 μm as a silicone-based binder on a polyethylene terephthalate film having a thickness of 50 μm.
Melamine resin impregnated surface paper Melamine precondensate with a molar ratio of formaldehyde to 1.5, 6 parts paratoluenesulfonic acid amide, 3 parts curing agent (Catanit A made by Nitto Riken Kogyo Co., Ltd.), release agent 1 Part (Separ 328 manufactured by Chukyo Yushi Co., Ltd.) to obtain a melamine resin liquid, impregnating resin with impregnating resin on surface paper with basis weight of 22 g / m 2 and 55 g / m 2 in terms of solid content It was impregnated and dried to obtain a melamine resin-impregnated surface paper.
Melamine resin impregnated decorative paper White unpatterned decorative paper with a basis weight of 100 g / m 2 is impregnated with the above melamine resin solution so that the impregnated amount is 100 g / m 2 in terms of solid content, and then dried and then melamine resin impregnated cosmetic. I got paper.
Phenol resin impregnated paper After making the molar ratio of phenol and formaldehyde 1: 1.15 and reacting under sodium hydroxide to obtain a resol type phenol resin, the impregnation amount in 190 g / m 2 kraft paper is the solid content conversion value It was impregnated at 90 g / m 2 and dried to obtain a phenol resin-impregnated paper.
Manufacture of antifouling decorative board Laminated 5 sheets of phenol resin impregnated paper, melamine resin impregnated decorative paper and melamine resin impregnated surface paper, silicone coated film, stainless steel plate, temperature 170 ° C, pressure 50 kg / cm 2 , And hot pressing under conditions of 100 minutes.
After hot pressing, the silicone coating film and the stainless steel plate were removed, and 1 μm of a titanium oxide photocatalyst paint (PC-401, manufactured by Titanium Industry Co., Ltd.) made of titanium oxide and an acrylic silicon resin emulsion was applied. A decorative decorative board was obtained.
[0028]
Comparative Example 1
In Example 1, without using a silicone coating film, after hot pressing, an acrylic silicone resin emulsion (PCU-103 manufactured by Titanium Industry Co., Ltd.) as a silicone binder was coated on the surface to a thickness of 10 μm, and a titanium oxide photocatalyst A decorative plate (Comparative Example 1) was obtained by applying 1 μm of paint (PC-401, manufactured by Titanium Industry Co., Ltd.).
[0029]
Comparative Example 2
The decorative plate of Comparative Example 1 was obtained in the same manner as in Example 1 except that the silicone coating film was not used and the titanium oxide photocatalyst paint was not applied.
[0030]
The evaluation results are shown in Table 1.
[Table 1]
Evaluation method Photocatalyst / undercoat adhesion Adhering cellophane tape to the antifouling decorative board of Example 1 and the decorative board of Comparative Example 1, and observing the state after peeling,
○ with no photocatalyst layer peeling
X with photocatalyst layer peeling,
It was.
Photocatalyst decomposition function The 20-fold diluted red ink was applied to the antifouling decorative plate of Example 1 and the decorative plates of Comparative Examples 1 and 2, and Lab was measured with a color meter. After time exposure, Lab was measured to determine the color difference ΔE.
If ΔE is 10 or more,
ΔE is 3-10, Δ,
ΔE is less than 3 ×
It was.
Surface condition: “O” indicates that the binder and photocatalyst are not detached, and “x” indicates that the binder is removed.
[0032]
In the embodiment, the primer layer is formed on the surface of the resin-impregnated surface paper, but it may be formed on the resin-impregnated decorative paper without using the resin-impregnated surface paper, and the photocatalytic decomposition function is not affected.
[0033]
【The invention's effect】
In the antifouling decorative board of the present invention, the photocatalyst layer is formed on the decorative surface, so that it retains the functionality of the organic substance decomposing power, and the attached dirt can be easily wiped off. Therefore, the antifouling decorative board of the present invention can be suitably used as a surface material for members constituting kitchens, toilets and the like.
[Brief description of the drawings]
1 is a cross-sectional view of an antifouling decorative board of Example 1. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Base material 2 Resin impregnated decorative paper 3 Resin impregnated
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002087644A JP4003934B2 (en) | 2002-03-27 | 2002-03-27 | Antifouling decorative board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002087644A JP4003934B2 (en) | 2002-03-27 | 2002-03-27 | Antifouling decorative board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003276149A JP2003276149A (en) | 2003-09-30 |
| JP4003934B2 true JP4003934B2 (en) | 2007-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002087644A Expired - Fee Related JP4003934B2 (en) | 2002-03-27 | 2002-03-27 | Antifouling decorative board |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4193980B2 (en) * | 2003-03-25 | 2008-12-10 | アイカ工業株式会社 | Method for producing antifouling decorative veneer |
| JP3844135B2 (en) * | 2004-01-15 | 2006-11-08 | アイカ工業株式会社 | Veneer |
| JP4695553B2 (en) * | 2006-06-30 | 2011-06-08 | タキロン株式会社 | Photocatalyst member |
| JP6313147B2 (en) * | 2014-07-10 | 2018-04-18 | イビデン株式会社 | Decorative plate manufacturing method |
| JP6243995B2 (en) * | 2015-11-17 | 2017-12-06 | イビデン株式会社 | Veneer |
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2002
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| JP2003276149A (en) | 2003-09-30 |
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