JP2006199780A - Coating composition for deodorant topcoat - Google Patents
Coating composition for deodorant topcoat Download PDFInfo
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- JP2006199780A JP2006199780A JP2005011457A JP2005011457A JP2006199780A JP 2006199780 A JP2006199780 A JP 2006199780A JP 2005011457 A JP2005011457 A JP 2005011457A JP 2005011457 A JP2005011457 A JP 2005011457A JP 2006199780 A JP2006199780 A JP 2006199780A
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本発明は、光触媒活性によって抗菌性や消臭効果を有する酸化チタン微粒子を含有する紫外線硬化型の消臭性トップコート用塗料組成物、特に、床材用の消臭性トップコート用塗料組成物に関する。 The present invention relates to an ultraviolet-curing deodorant topcoat coating composition containing titanium oxide fine particles having antibacterial and deodorizing effects due to photocatalytic activity, in particular, a deodorant topcoat coating composition for flooring. About.
近年、室内用各種建材に、耐久性、意匠性、耐薬品等の基本的な要求特性とともに、居住者の健康への更なる配慮として、抗菌性、消臭性等の機能が要求されている。病院、学校、住宅などの脱臭方法に関して、珪藻土、活性炭等の臭気を吸着する吸着材料と酸化チタン等の光触媒とを含有する脱臭材料を使用することが開示されている（例えば、特許文献１参照）。又、抗菌作用を有する半導体光触媒を非晶質燐酸カルシウム粒子の表面に固着し、一体化した抗菌性消臭性組成物が開示されている（例えば、特許文献２参照）。 In recent years, various building materials for indoor use have been required to have functions such as antibacterial and deodorizing properties as well as basic requirements such as durability, design, and chemical resistance, as well as further consideration for the health of residents. . Regarding a deodorizing method for hospitals, schools, houses, etc., it is disclosed to use a deodorizing material containing an adsorbing material that adsorbs odor such as diatomaceous earth or activated carbon and a photocatalyst such as titanium oxide (for example, see Patent Document 1). ). Further, an antibacterial deodorant composition in which a semiconductor photocatalyst having an antibacterial action is fixed to the surface of amorphous calcium phosphate particles and integrated is disclosed (for example, see Patent Document 2).
これらの抗菌、脱臭成分を建材、特に床材に適用しようとする場合、抗菌消臭成分自体の抗菌効果ばかりでなく、それを含有した塗料の硬化塗膜が抗菌、消臭効果を奏する必要がある。しかしながら、抗菌消臭成分を表面に露出させつつ、本来の床材表面としての耐久性、意匠性、耐薬品等の基本的な要求特性を同時に満足させる塗料が見出されていない。 When applying these antibacterial and deodorizing ingredients to building materials, especially flooring, not only the antibacterial effect of the antibacterial and deodorant ingredients themselves, but also the cured coating of the paint containing them must have antibacterial and deodorant effects. is there. However, no paint has been found that simultaneously satisfies basic required properties such as durability, designability, chemical resistance, etc. as the original flooring material surface while exposing the antibacterial and deodorant components to the surface.
本発明の課題は、消臭性成分を表面に露出させつつ、本来の床材表面としての耐久性、意匠性、耐薬品等の基本的な要求特性を同時に満足させることのできる消臭性トップコート用塗料組成物を提供することにある。 The object of the present invention is to provide a deodorant top that can simultaneously satisfy the basic required properties such as durability, design properties, chemical resistance, etc. as the original flooring material surface while exposing the deodorant component to the surface. The object is to provide a coating composition for a coat.
本発明者らは上記課題を解決すべく鋭意検討の結果、特定の紫外線硬化性化合物をバインダー成分とする紫外線硬化型塗料組成物中に光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分を特定の比率で含有させることで課題を達成できることを見出し、本発明を完成させるに至った。 As a result of intensive studies to solve the above-mentioned problems, the present inventors have made particulate deodorizing components having fine titanium oxide particles exhibiting photocatalytic activity in an ultraviolet curable coating composition containing a specific ultraviolet curable compound as a binder component. It has been found that the problem can be achieved by containing a specific ratio, and the present invention has been completed.
すなわち本発明は、（ａ）数平均分子量５００〜１００００の紫外線硬化性アクリレート系オリゴマー成分、（ｂ）紫外線硬化性モノマー、（ｃ）光ラジカル重合開始剤、（ｄ）光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分を含有することを特徴とする消臭性トップコート用塗料組成物を提供することにある。 That is, the present invention comprises (a) an ultraviolet curable acrylate oligomer component having a number average molecular weight of 500 to 10,000, (b) an ultraviolet curable monomer, (c) a photoradical polymerization initiator, and (d) a titanium oxide fine particle exhibiting photocatalytic activity. An object of the present invention is to provide a deodorant topcoat coating composition characterized by containing a particulate deodorant component having the following.
本発明の消臭性トップコート用塗料組成物は、床材として適用した場合、通常の建材から発生し得る各種残留溶剤に対する消臭性能を示しつつ、本来の床材表面としての耐久性、意匠性、耐薬品等の基本的な要求特性を同時に満足させることができる。 The deodorant topcoat coating composition of the present invention, when applied as a flooring material, exhibits the deodorizing performance against various residual solvents that can be generated from ordinary building materials, while maintaining the durability and design as the original flooring material surface. The basic required characteristics such as the chemical resistance and chemical resistance can be satisfied at the same time.
合板、または無垢の木質基材を基材とする内装用建材等に消臭性を付与しようとする場合、消臭性の成分を有する塗工材は、合板、または無垢の木質基材の塗装における最終工程である、トップコート層に塗工することで特に効果を奏する。本発明の、こうした目的のための塗料組成物は、（ａ）数平均分子量５００〜１００００の紫外線硬化性アクリレート系オリゴマー成分、（ｂ）紫外線硬化性モノマー、（ｃ）光ラジカル重合開始剤、（ｄ）光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分を含有することを特徴とする消臭性トップコート用塗料組成物である。光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分を含有する本発明の塗料組成物の塗膜層のさらに上層に塗装を行うと、消臭性成分が臭気の原因物質を有する外気に接触しにくく効果が十分発揮されない。同時に、トップコート層は製品の最終の仕上がりを決定する層であり、床材、壁材、天井材、部材など製品により要求性能は異なるが、主に表面グロスの調整、硬度、耐汚染性、耐薬品性、耐擦傷性などの物性が要求される。木質基材の塗装は、着色、下塗、中塗、研磨工程などを経て、最終工程としてトップコートを塗工することが一般的であり、環境問題、ＶＯＣ問題などから内装用木質建材用塗料は無溶剤の紫外線硬化塗料が一般的に好まれる。 When trying to impart deodorant properties to interior building materials based on plywood or a solid woody base material, the coating material having the deodorant component is applied to plywood or a solid woody base material. It is particularly effective when applied to the top coat layer, which is the final step. The coating composition for such purposes of the present invention comprises (a) an ultraviolet curable acrylate oligomer component having a number average molecular weight of 500 to 10,000, (b) an ultraviolet curable monomer, (c) a photo radical polymerization initiator, d) A deodorant topcoat coating composition comprising a particulate deodorant component having titanium oxide fine particles exhibiting photocatalytic activity. When coating is further performed on the coating layer of the coating composition of the present invention containing the particulate deodorant component having titanium oxide fine particles having photocatalytic activity, the deodorant component is exposed to the outside air having an odor-causing substance. It is difficult to touch and the effect is not fully demonstrated. At the same time, the top coat layer is the layer that determines the final finish of the product, and the required performance varies depending on the product such as flooring, wall material, ceiling material, member, etc., but mainly the adjustment of surface gloss, hardness, stain resistance, Physical properties such as chemical resistance and scratch resistance are required. In general, wood base materials are coated with a top coat as a final process after coloring, undercoating, intermediate coating, polishing processes, etc. There are no paints for interior wooden construction materials due to environmental problems and VOC problems. Solvent UV curable paints are generally preferred.
また、紫外線硬化塗膜は、紫外線が当たることにより急激に造膜するメカニズムを有することから、比較的ポーラスな塗膜となることが知られている。そのため、消臭成分が臭気の原因物質と接触しやすくなり、良好な脱臭効果が得られる。一方、ポリウレタン−イソシアネート系のようなＵＶ硬化でない硬化システムで塗膜形成を行うと、相対的に硬化反応が遅く、非常に表面が密な塗膜となるため、消臭成分が外気に接触しにくく効果が十分発揮されにくい。その点からも紫外線硬化塗料が好ましい。 Further, it is known that an ultraviolet curable coating film has a mechanism of forming a film rapidly upon exposure to ultraviolet rays, and thus becomes a relatively porous coating film. For this reason, the deodorant component can easily come into contact with the odor-causing substance, and a good deodorizing effect can be obtained. On the other hand, when a coating film is formed with a curing system that is not UV curing such as a polyurethane-isocyanate system, the curing reaction is relatively slow and the coating surface is very dense, so that the deodorant component comes into contact with the outside air. Hardly effective. From this point, an ultraviolet curable coating is preferable.
本発明の、消臭性トップコート用塗料組成物に用いる（ａ）数平均分子量５００〜１００００の紫外線硬化性オリゴマー成分としては、トップコートに求められる高硬度、光沢、汚染性などの特性を有する従来公知のものが使用できるが、その中でも特に代表的なものとしては、ビスフェノールＡ型、ノボラック型、多価アルコール型、多塩基酸型、ポリブタジエン型のエポキシ（メタ）アクリレート、ポリエステル型、ポリエーテル型のウレタン（メタ）アクリレート等であり、何れも１種または２種以上の混合系で用いることが出来る。 The (a) UV-curable oligomer component having a number average molecular weight of 500 to 10,000 used in the deodorant topcoat coating composition of the present invention has characteristics such as high hardness, gloss, and contamination required for the topcoat. Conventionally known ones can be used. Among them, bisphenol A type, novolak type, polyhydric alcohol type, polybasic acid type, polybutadiene type epoxy (meth) acrylate, polyester type, polyether are particularly preferable. Type urethane (meth) acrylate, etc., any of which can be used alone or in a mixture of two or more.
塗料組成物の粒子状消臭性成分を除く不揮発成分中での、（ａ）紫外線硬化性アクリレート系オリゴマーの含有量は５〜５０質量％が好ましい。 The content of (a) the ultraviolet curable acrylate oligomer in the non-volatile component excluding the particulate deodorant component of the coating composition is preferably 5 to 50% by mass.
本発明の、消臭性トップコート用塗料組成物に用いる（ｂ）紫外線硬化性モノマー成分としては、従来既知のものが使用できる。塗料組成物の粒子状消臭性成分を除く不揮発成分中で、（ｂ）紫外線硬化性モノマーの含有量は２０〜６０％であることが好ましい。 As the (b) UV-curable monomer component used in the deodorant topcoat coating composition of the present invention, those conventionally known can be used. In the non-volatile component excluding the particulate deodorant component of the coating composition, the content of (b) the ultraviolet curable monomer is preferably 20 to 60%.
トップコート用としての単官能モノマーとしては、２−ヒドロキシエチル（メタ）アクリレート、２−ヒドロキシプロピル（メタ）アクリレート、フェノキシポリエチレングリコール（メタ）アクリレート、エトキシジエチレングリコール（メタ）アクリレート、２−エチルヘキシルポリエチレングリコール（メタ）アクリレート、グリシジル（メタ）アクリレート、グリセロール（メタ）アクリレート、ポリエチレングリコール（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、Ｎ，Ｎ−ジエチルアミノエチル（メタ）アクリレート、モルホリノ（メタ）アクリレート等が好ましい。 Monofunctional monomers for the top coat include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, phenoxypolyethylene glycol (meth) acrylate, ethoxydiethylene glycol (meth) acrylate, 2-ethylhexyl polyethylene glycol ( (Meth) acrylate, glycidyl (meth) acrylate, glycerol (meth) acrylate, polyethylene glycol (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, N, N-diethylaminoethyl (meth) acrylate, morpholino (meth) Acrylate and the like are preferable.
２官能モノマーとしては、エチレングリコールジ（メタ）アクリレ−ト、ポリエチレングリコールジ（メタ）アクリレート、プロピレングリコールジ（メタ）アクリレート、トリプロピレングリコールジ（メタ）アクリレート、ＥＯ変性ネオペンチルグリコールジ（メタ）アクリレート、プロピレンオキサイド（以下ＰＯと略記）変性ネオペンチルグリコールジ（メタ）アクリレート、ジシクロペンテニルジアクリレート、ＥＯ変性ジシクロペンテニルジ（メタ）アクリレート、ジ（メタ）アクリロイルイソシアヌレート等が好ましい。 Bifunctional monomers include ethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, and EO-modified neopentyl glycol di (meth). Preferred are acrylate, propylene oxide (hereinafter abbreviated as PO) -modified neopentyl glycol di (meth) acrylate, dicyclopentenyl diacrylate, EO-modified dicyclopentenyl di (meth) acrylate, di (meth) acryloyl isocyanurate, and the like.
３官能以上の多官能モノマーとしては、トリメチロールプロパントリ（メタ）アクリレート、ペンタエリスリトールトリ（メタ）アクリレート、ＥＯ変性トリメチロールプロパントリ（メタ）アクリレート、ＰＯ変性トリメチロールプロパントリ（メタ）アクリレート、ジトリメチロールプロパンテトラ（メタ）アクリレート、ジペンタエリスリトールモノヒドロキシペンタ（メタ）アクリレート、ジペンタエリスリトールヘキサ（メタ）アクリレート等が好ましい。 The trifunctional or higher polyfunctional monomer includes trimethylolpropane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, EO-modified trimethylolpropane tri (meth) acrylate, PO-modified trimethylolpropane tri (meth) acrylate, ditri Methylolpropane tetra (meth) acrylate, dipentaerythritol monohydroxypenta (meth) acrylate, dipentaerythritol hexa (meth) acrylate and the like are preferable.
これらのモノマーは、１種または２種以上の混合系で用いることが出来る。 These monomers can be used by 1 type, or 2 or more types of mixed systems.
その他、本発明に用いることの出来る活性エネルギー線重合性化合物としては、例えばＮ−ビニルピロリドン、Ｎ−ビニルカルバゾール、スチレン、４−メチルスチレン、α−メチルスチレン、１，４−ジビニルベンゼン、ジアリルフタレート、特開平１１−１２４４０３号公報、特開平１１−１２４４０４号公報記載のマレイミド化合物等が挙げられ、必要に応じて使用することが出来る。 Other active energy ray polymerizable compounds that can be used in the present invention include, for example, N-vinylpyrrolidone, N-vinylcarbazole, styrene, 4-methylstyrene, α-methylstyrene, 1,4-divinylbenzene, diallyl phthalate. And maleimide compounds described in JP-A-11-124403 and JP-A-11-124404, which can be used as necessary.
また、本発明に用いる、（ｃ）光ラジカル重合開始剤は、紫外線照射によりラジカルを生成する化合物であり、例えば水素引き抜き型重合開始剤としては、従来公知のベンゾフェノン、アセトフェノン、ジエトキシアセトフェノン、ベンジル、ベンゾイル安息香酸、ミヒラーズケトン、２−クロロチオキサントン、２，４−ジエチルチオキサントン等が挙げられる。 The (c) photoradical polymerization initiator used in the present invention is a compound that generates radicals upon irradiation with ultraviolet rays. For example, as a hydrogen abstraction type polymerization initiator, conventionally known benzophenone, acetophenone, diethoxyacetophenone, benzyl , Benzoylbenzoic acid, Michler's ketone, 2-chlorothioxanthone, 2,4-diethylthioxanthone and the like.
塗料組成物の粒子状消臭性成分を除く不揮発成分中での、（ｃ）光ラジカル重合開始剤の含有量は１〜１０質量％であることが好ましい。 The content of the (c) radical photopolymerization initiator in the nonvolatile component excluding the particulate deodorant component of the coating composition is preferably 1 to 10% by mass.
その他本発明で用いる事が出来る、（ｃ）光ラジカル重合開始剤として、ベンゾインエチルエーテル、ベンジルジメチルケタール、ヒドロキシシクロヘキシルフェニルケトン、２−ヒドロキシ−２−メチルフェニルケトン等の光開裂型が挙げられる。これらの水素引き抜き型、光開裂型光ラジカル重合開始剤のうち１種または２種以上のものを組み合わせて使用することが出来る。 Other examples of the photo radical polymerization initiator (c) that can be used in the present invention include photocleavable types such as benzoin ethyl ether, benzyl dimethyl ketal, hydroxycyclohexyl phenyl ketone, and 2-hydroxy-2-methyl phenyl ketone. Among these hydrogen abstraction type and photocleavage type photo radical polymerization initiators, one or a combination of two or more types can be used.
また、これらの光ラジカル重合開始剤に、公知慣用の光増感剤をも併用することができる。併用する場合は、塗料組成物の粒子状消臭性成分を除く不揮発成分中での、光増感剤の含有量は１〜１５質量％であることが好ましい。 In addition, these photoradical polymerization initiators can be used in combination with known and commonly used photosensitizers. When using together, it is preferable that content of a photosensitizer in the non-volatile component except the particulate deodorant component of a coating composition is 1-15 mass%.
木質建材においては１０〜７０グロスが主に好まれる表面グロスであり、各種艶消し剤を任意に配合することが可能である。艶消し剤としては、例えばシリカ、樹脂ビーズ、艶消しワックス、炭酸カルシウム、長石などが主に使用され、その配合量は塗装条件や要求グロスにより異なるが、塗料組成物の粒子状消臭性成分を除く不揮発成分中での、艶消し剤の含有量は５〜３０質量％であることが好ましい。 In woody building materials, 10 to 70 gloss is mainly preferred, and various matting agents can be arbitrarily blended. As the matting agent, for example, silica, resin beads, matting wax, calcium carbonate, feldspar, etc. are mainly used, and the blending amount varies depending on the coating conditions and required gloss, but the particulate deodorant component of the coating composition The content of the matting agent in the non-volatile components excluding is preferably 5 to 30% by mass.
また、本発明の消臭性トップコート用塗料組成物には、さらに必要に応じて本発明の目的を逸脱しない範囲内で、各種の機能を付与するため着色剤、体質顔料、滑剤、可塑剤、消泡剤、酸化防止剤、カップリング剤、有機溶剤及びキレート剤などの添加剤を添加することができる。 In addition, the coating composition for deodorant topcoat of the present invention is further provided with various functions within a range not departing from the object of the present invention, if necessary, in order to impart colorant, extender pigment, lubricant, plasticizer. Additives such as antifoaming agents, antioxidants, coupling agents, organic solvents and chelating agents can be added.
本発明の、消臭性トップコート用塗料組成物に用いる（ｄ）粒子状消臭性成分は、光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分であり、該酸化チタン微粒子が、非晶質燐酸カルシウム粒子の表面に固着してなる粒子状消臭性成分であることが好ましい。 The particulate deodorant component (d) used in the deodorant topcoat coating composition of the present invention is a particulate deodorant component having fine titanium oxide particles exhibiting photocatalytic activity, and the fine titanium oxide particles are A particulate deodorant component formed by adhering to the surface of the amorphous calcium phosphate particles is preferable.
前記した光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分の含有量は、塗料組成物の消臭性成分を除く不揮発成分１００質量部に対して５〜２５質量部であることが好ましい。粒子状消臭性成分の配合割合が５質量部未満では消臭効果が充分でなく、一方２５質量％を越えて使用しても消臭効果のさらなる向上は見られず、塗膜の平滑性が劣る傾向がある。 The content of the particulate deodorant component having titanium oxide fine particles exhibiting the photocatalytic activity described above is preferably 5 to 25 parts by mass with respect to 100 parts by mass of the nonvolatile component excluding the deodorant component of the coating composition. . If the blending ratio of the particulate deodorant component is less than 5 parts by mass, the deodorant effect is not sufficient. On the other hand, even if it exceeds 25% by mass, no further improvement in the deodorant effect is seen, and the smoothness of the coating film Tend to be inferior.
本発明の消臭性トップコート用塗料組成物の粘度範囲としては、塗工方式により異なるが、液温４０℃における粘度が４０〜１５００ｍＰａ・ｓであることが好ましい。 The viscosity range of the deodorant top coat coating composition of the present invention is preferably 40 to 1500 mPa · s at a liquid temperature of 40 ° C., although it varies depending on the coating method.
本発明の消臭性トップコート用塗料組成物の製造は、従来公知の方法で実施出来る。一例として、紫外線硬化性オリゴマー及び又はモノマー、光ラジカル重合開始剤、粒子状消臭性成分、及び、必要に応じて、艶消し材等、塗料添加剤をこの順に仕込み混合、撹拌等の方法で製造可能である。 Production of the coating composition for deodorant topcoat of the present invention can be carried out by a conventionally known method. As an example, UV curable oligomer and / or monomer, radical photopolymerization initiator, particulate deodorant component, and if necessary, paint additives such as matting material in this order, mixing, stirring, etc. It can be manufactured.
本発明の消臭性トップコート用塗料組成物は、床材、壁材、天井材、部材等の建材用途に有用に用いられるが、特に、木質基材に塗工して床材としての使用が好ましい。木質基材としては、ラワン等の南洋材を貼り合わせただけの普通合板、フェノール樹脂などを含浸させた強化合板等の合板基材や、無垢の木質基材が用いられるが、近年の木材不足の状況から、表面単板にナラ、カバ、ブナなどを用いた合板基材を用いることが好ましい。 The coating composition for deodorant topcoat of the present invention is useful for building materials such as flooring, wall material, ceiling material, member, etc., but in particular, it is used as a flooring material by coating on a wooden substrate. Is preferred. As wood base materials, plywood base materials such as ordinary plywood just laminated with lauan and other south-seawood materials, reinforced plywood impregnated with phenol resin, etc., and solid wood base materials are used, but there is a lack of wood in recent years From the above situation, it is preferable to use a plywood base material using oak, birch, beech, etc. for the surface single plate.
トップコートの塗装は、従来公知の方法で構わず、ナチュラルコーターや、フローコーター、スプレー等を用いることができる。本発明に沿うような塗膜量を得るためにはナチュラルコーターで塗装することがより好ましい。また、無溶剤の塗料を採用した場合、室温では高粘度であるため、塗料温度３０〜５０℃で塗装することが好ましい。 The top coat may be applied by a conventionally known method, and a natural coater, a flow coater, a spray, or the like can be used. In order to obtain the coating amount according to the present invention, it is more preferable to paint with a natural coater. Further, when a solvent-free coating is employed, it is preferable to apply at a coating temperature of 30 to 50 ° C. because it has a high viscosity at room temperature.
以下本発明の理解を容易にするため、実施例によって本発明を具体的に説明するが、本発明は実施例のみに限定されるものではない。なお、各例中の部及び％は質量基準によるものである。 Hereinafter, in order to facilitate understanding of the present invention, the present invention will be specifically described by way of examples. However, the present invention is not limited to the examples. In addition, the part and% in each example are based on a mass reference | standard.
下記の表１に示す組成で配合し、攪拌、混合し、実施例塗料１〜３、比較例塗料１〜５を得た。表中の各成分は以下の通りである。
オリゴマー：アクリレートオリゴマー成分、ユニディックＶ−５５０８（大日本インキ化学工業：エポキシアクリレート）、
ポリマー：ポリオール成分、アクリディックＡ−８１４（大日本インキ化学工業：アクリルポリオール、不揮発分：５０％、ＯＨ価：１７．５）、
硬化剤：イソシアネート成分、バーノックＤＮ−９５０（大日本インキ化学工業：ポリイソシアネート、不揮発分：７５％、ＮＣＯ価：１０．５）、
溶剤：酢酸ブチル／キシレン／１：１
モノマーＡ：トリプロピレングリコールジアクリレート（東亞合成：アロニックスＭ−２２０）、
モノマーＢ：ＰＯ変性ネオペンチルグリコールジアクリレート（コグニスジャパン：フォトマー４１２７）、
光ラジカル重合開始剤：イルガキュア１８４（チバスペシャリティーケミカルズ）、
艶消し剤：炭酸カルシウム１２部、サイロイドＥＤ−５０（グレースジャパン）３部、ミクロンホワイト５０００Ａ（林化成）１５部、
光触媒活性を奏する酸化チタン微粒子を有する粒子状消臭性成分：アパミクロンＡＰＵ１０ＳＡ（積水化成工業：粒子径５〜１０μｍ）、
酸化チタン微粒子を含有しない粒子状消臭性成分：アパミクロンＡＰ−１２Ｃ（積水化学工業：粒子径５〜１０μｍ）。
It mix | blended with the composition shown in following Table 1, and stirred and mixed, and the Example coating materials 1-3 and the comparative example coating materials 1-5 were obtained. Each component in the table is as follows.
Oligomer: Acrylic oligomer component, Unidic V-5508 (Dainippon Ink and Chemicals: Epoxy acrylate),
Polymer: Polyol component, Acrydic A-814 (Dainippon Ink Chemical Co., Ltd .: Acrylic polyol, nonvolatile content: 50%, OH value: 17.5),
Curing agent: isocyanate component, Vernock DN-950 (Dainippon Ink & Chemicals, Inc .: polyisocyanate, nonvolatile content: 75%, NCO value: 10.5),
Solvent: butyl acetate / xylene / 1: 1
Monomer A: Tripropylene glycol diacrylate (Toagosei: Aronix M-220),
Monomer B: PO-modified neopentyl glycol diacrylate (Cognis Japan: Photomer 4127),
Photoradical polymerization initiator: Irgacure 184 (Ciba Specialty Chemicals),
Matting agent: 12 parts calcium carbonate, 3 parts Cyloid ED-50 (Grace Japan), 15 parts Micron White 5000A (Hayashi Kasei),
Particulate deodorant component having fine titanium oxide particles exhibiting photocatalytic activity: Apamicron APU10SA (Sekisui Chemical Co., Ltd .: particle diameter 5-10 μm),
Particulate deodorant component not containing titanium oxide fine particles: Apamicron AP-12C (Sekisui Chemical Co., Ltd .: particle diameter 5 to 10 μm).
上記実施例１〜３塗料及び比較例１〜４塗料を、下地処理し中塗り工程（塗膜厚２０μｍ）まで終了した、表層単板がカバである普通合板に、材温４０℃、塗料温度４０℃において塗布量が８０ｇ／ｍ２になるようにそれぞれ塗工した。それぞれの紫外線照射は、室温２５℃の条件で、１６０ｍＪ／ｃｍ２の紫外線照射量で硬化させた。 The above-mentioned Examples 1 to 3 and Comparative Examples 1 to 4 were subjected to ground treatment and finished up to the intermediate coating step (coating thickness 20 μm). The coating was performed so that the coating amount was 80 g / m 2 at 40 ° C. Each ultraviolet irradiation was cured at a room temperature of 25 ° C. with an ultraviolet irradiation amount of 160 mJ / cm 2 .
比較例塗料Ｇ（不揮発分４９．１％）については、上記基材に、材温、塗料温度を常温で、塗布量が１６ｇ／ｍ２になるよう塗工した。６０℃で３０分乾燥させた後、６０℃で７２時間エージングを行い、塗装板を得た。 About the comparative example coating material G (nonvolatile content 49.1%), it applied to the said base material so that material temperature and coating material temperature might be normal temperature, and an application quantity might be 16 g / m < 2 >. After drying at 60 ° C. for 30 minutes, aging was performed at 60 ° C. for 72 hours to obtain a coated plate.
（耐汚染試験）
黒インク（パイロット社製、ＩＮＫ−３５０−Ｂ）、トルエン、５％エタノールをそれぞれ２ｃｍ角の脱脂綿に浸し、塗装板に静置。３０分後の色残り、艶変化を評価した。
(Contamination test)
Black ink (manufactured by Pilot, INK-350-B), toluene, and 5% ethanol are dipped in 2 cm square absorbent cotton and allowed to stand on the coated plate. The color residue and gloss change after 30 minutes were evaluated.
（臭気試験）
トリエチルアミン、５％酢酸水溶液、トルエン、キシレンをそれぞれ２ｃｍ角の脱脂綿に浸し、その上部に塗装板(３０ｃｍ角)を置きデシケータ中に封入。日光に当たる条件で、２日間放置し、デシケータ中の臭いを下記の基準で評価した。なお、試験は夏場ＰＭ．８：００から行い、二日後のＰＭ．８：００に終了。天気は両日とも快晴であり、雲がかかる時間は僅かであった。結果を表２に示す。
◎：消臭効果大（臭いが僅かにしか残らない）
○：消臭効果中（臭いが大きく減少）
△：消臭効果小（臭いが減少したと感じる程度）
×：消臭効果無し
(Odor test)
Triethylamine, 5% acetic acid aqueous solution, toluene, and xylene are dipped in 2 cm square absorbent cotton, and a paint plate (30 cm square) is placed on top of it and enclosed in a desiccator. The product was left for 2 days under conditions of sunlight, and the odor in the desiccator was evaluated according to the following criteria. The test was conducted in summer PM. 8:00 pm, PM. Finished at 8:00. The weather was clear on both days, and the cloud took a little time. The results are shown in Table 2.
A: Deodorizing effect is large (only a slight odor remains)
○: Deodorizing effect (odor is greatly reduced)
Δ: Small deodorant effect (to feel that the odor has decreased)
×: No deodorizing effect
以上、実施例等で示した通り、本発明の抗菌性建材塗料組成物は、床材用をはじめとして各種建材用途に有用に用いられる。
As described above, as shown in Examples and the like, the antibacterial building material coating composition of the present invention is usefully used for various building materials including flooring.
Claims (6)
The average particle diameter of the particulate deodorant component formed by fixing the titanium oxide fine particles having photocatalytic activity to the surfaces of the amorphous calcium phosphate particles is 0.5 to 30 µm. The coating composition for deodorant topcoats described in 1.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006219855A (en) * | 2005-02-09 | 2006-08-24 | Marutama Sangyo Kk | Woody flooring and its manufacturing method |
| JP6041169B2 (en) * | 2013-05-13 | 2016-12-07 | パナソニックＩｐマネジメント株式会社 | Coating composition and antibacterial / antiviral component |
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| JPH1176832A (en) * | 1997-08-29 | 1999-03-23 | Sekisui Plastics Co Ltd | Antibacterial deodorant composition |
| JP2000119392A (en) * | 1998-02-02 | 2000-04-25 | Toyo Ink Mfg Co Ltd | Curing composition |
| JP2001323189A (en) * | 2000-05-12 | 2001-11-20 | Showa Highpolymer Co Ltd | Composition for adhesion protective layer of titanium oxide photocatalytic coating film |
| JP2003165929A (en) * | 2001-11-30 | 2003-06-10 | Chugoku Marine Paints Ltd | Photocatalyst-containing actinic-radiation-curable coating composition capable of forming coating film lowly susceptible to contamination, its coating film, base material coated with the film, and method for preventing contamination |
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| JPH1176832A (en) * | 1997-08-29 | 1999-03-23 | Sekisui Plastics Co Ltd | Antibacterial deodorant composition |
| JP2000119392A (en) * | 1998-02-02 | 2000-04-25 | Toyo Ink Mfg Co Ltd | Curing composition |
| JP2001323189A (en) * | 2000-05-12 | 2001-11-20 | Showa Highpolymer Co Ltd | Composition for adhesion protective layer of titanium oxide photocatalytic coating film |
| JP2003165929A (en) * | 2001-11-30 | 2003-06-10 | Chugoku Marine Paints Ltd | Photocatalyst-containing actinic-radiation-curable coating composition capable of forming coating film lowly susceptible to contamination, its coating film, base material coated with the film, and method for preventing contamination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006219855A (en) * | 2005-02-09 | 2006-08-24 | Marutama Sangyo Kk | Woody flooring and its manufacturing method |
| JP6041169B2 (en) * | 2013-05-13 | 2016-12-07 | パナソニックＩｐマネジメント株式会社 | Coating composition and antibacterial / antiviral component |
| US10131797B2 (en) | 2013-05-13 | 2018-11-20 | Panasonic Intellectual Property Management Co., Ltd. | Coating agent composition and antibacterial/antiviral member |
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