JP2022131722A - Coating laminate and method for forming the same - Google Patents
Coating laminate and method for forming the same Download PDFInfo
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- JP2022131722A JP2022131722A JP2021030818A JP2021030818A JP2022131722A JP 2022131722 A JP2022131722 A JP 2022131722A JP 2021030818 A JP2021030818 A JP 2021030818A JP 2021030818 A JP2021030818 A JP 2021030818A JP 2022131722 A JP2022131722 A JP 2022131722A
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Abstract
Description
本発明は、建築物内装の表面化粧に適用可能な被膜積層体に関するものである。 TECHNICAL FIELD The present invention relates to a film laminate applicable to surface decoration of building interiors.
従来、建築物の内壁面等に対し、内装材の塗装によって美観性を付与することが行われている。このような内装材の一例として、粉粒体を主成分とするものが知られている。このような内装材では、低光沢で落ち着きのある仕上り感等を得ることができる。 2. Description of the Related Art Conventionally, the interior walls of buildings are painted with interior materials to give them aesthetic appeal. As an example of such an interior material, there is known an interior material containing powder as a main component. With such an interior material, it is possible to obtain a feeling of finish with a low gloss and calmness.
特許文献１には、室内のクロス壁を改装する内装材として、粒状骨材、粉末状充填材、繊維状物質、水溶性糊料、合成樹脂バインダー等を含む塗材が記載されている。このような内装材では、聚楽調等の仕上げを得ることができるが、その被膜表面に擦り傷がつきやすい場合がある。 Patent Document 1 describes a coating material containing granular aggregate, powdery filler, fibrous substance, water-soluble paste, synthetic resin binder, etc., as an interior material for refurbishing a cloth wall in a room. With such an interior material, it is possible to obtain a Juraku style finish, but the surface of the film may be easily scratched.
特許文献２には、内装材に対しクリヤー塗料による透明被膜を形成することが記載されている。このような透明被膜を設けることにより、内装材の耐擦り傷性向上が期待できる。 Patent Literature 2 describes forming a transparent film with a clear paint on an interior material. By providing such a transparent film, an improvement in scratch resistance of the interior material can be expected.
しかしながら、特許文献２のように、内装材を透明被膜で覆うと、内装材固有の仕上り感が損われるおそれがある。 However, when the interior material is covered with a transparent film as in Patent Document 2, there is a risk that the finish inherent to the interior material will be impaired.
本発明は、このような課題に鑑みなされたものであり、低光沢で落ち着きのある仕上り感を呈することができ、耐擦り傷性等も具備する被膜を形成することを目的とする。 The present invention has been made in view of such problems, and an object of the present invention is to form a film that can exhibit a low gloss and a calm finish feeling and also has scratch resistance and the like.
本発明者は、上記課題を解決するため鋭意検討の結果、特定の内装材層、及び透明被覆材層を有する被膜積層体に想到し、本発明を完成するに至った。 Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventor has conceived of a film laminate having a specific interior material layer and a transparent covering material layer, and completed the present invention.
すなわち、本発明は以下の特徴を有するものである。
１．内装材層、及び透明被覆材層を有する被膜積層体であって、
上記内装材層は、樹脂成分１００重量部に対し、体質顔料２００～２０００重量部を含むものであり、
上記透明被覆材層は、その塗付け量が固形分換算で０．１～３０ｇ／ｍ２である
ことを特徴とする被膜積層体。
２．内装材層、及び透明被覆材層を有する被膜積層体の形成方法であって、
上記内装材層は、樹脂成分１００重量部に対し、体質顔料２００～２０００重量部を含むものであり、
上記内装材層に対し、透明被覆材を、その塗付け量が固形分換算で０．１～３０ｇ／ｍ２となるように塗付して透明被覆層を形成する
ことを特徴とする被膜積層体の形成方法。
That is, the present invention has the following features.
1. A film laminate having an interior material layer and a transparent covering material layer,
The interior material layer contains 200 to 2000 parts by weight of an extender pigment with respect to 100 parts by weight of the resin component,
The film laminate, wherein the coating amount of the transparent coating material layer is 0.1 to 30 g/m 2 in terms of solid content.
2. A method for forming a film laminate having an interior material layer and a transparent covering material layer,
The interior material layer contains 200 to 2000 parts by weight of an extender pigment with respect to 100 parts by weight of the resin component,
A coating laminate characterized by forming a transparent coating layer by applying a transparent coating material to the interior material layer in an amount of 0.1 to 30 g / m 2 in terms of solid content. How the body is formed.
本発明によれば、低光沢で落ち着きのある仕上り感を呈することができ、耐擦り傷性等も具備する被膜が得られる。 According to the present invention, it is possible to obtain a film that can exhibit a low gloss and a calm finish and also has scratch resistance and the like.
以下、本発明を実施するための形態について詳細に説明する。 DETAILED DESCRIPTION OF THE INVENTION Embodiments for carrying out the present invention will be described in detail below.
本発明は、内装材層、及び透明被覆材層を有する被膜積層体であり、内装材によって形成される被膜と、透明被覆材によって形成される被膜との積層によって得られるものである。本発明の被膜積層体は、建築物内装（内壁面等）の表面化粧に適用可能である。 The present invention is a film laminate having an interior material layer and a transparent covering material layer, and is obtained by laminating a film formed of the interior material and a film formed of the transparent covering material. The film laminate of the present invention can be applied to surface decoration of building interiors (inner wall surfaces, etc.).
［内装材層］
本発明における内装材層は、樹脂成分１００重量部に対し、体質顔料２００～２０００重量部を含むものである。このような内装材層は、低光沢で落ち着きのある仕上り感を表出することができるものであり、上記樹脂成分と体質顔料を含む内装材の塗付（塗装）によって形成することができる。なお、本発明において、「α～β」は「α以上β以下」と同義である。
[Interior material layer]
The interior material layer in the present invention contains 200 to 2000 parts by weight of an extender pigment with respect to 100 parts by weight of the resin component. Such an interior material layer can express a feeling of finish with low gloss and calmness, and can be formed by applying (coating) an interior material containing the resin component and the extender pigment. In the present invention, "α to β" has the same meaning as "more than or equal to α and less than or equal to β".
内装材における樹脂成分は、体質顔料等の粉粒体を固定化する役割等を担う成分である。樹脂成分の種類としては、例えば、セルロース、ポリビニルアルコール、エチレン樹脂、酢酸ビニル樹脂、ポリエステル樹脂、アルキッド樹脂、塩化ビニル樹脂、エポキシ樹脂、アクリル樹脂、ウレタン樹脂、アクリルシリコン樹脂、フッ素樹脂等、あるいはこれらの複合系等を挙げることができる。これらは１種または２種以上で使用することができる。樹脂成分の形態としては、例えば、水溶性樹脂、水分散性樹脂（樹脂エマルション）、溶剤可溶形樹脂、無溶剤形樹脂、非水分散形樹脂、粉末樹脂等が挙げられ、この中でも水溶性樹脂及び／または水分散性樹脂が好ましく、とりわけ水分散性樹脂を含む態様が好適である。水溶性樹脂及び／または水分散性樹脂の使用により、水性内装材を得ることができる。また、これら樹脂成分は、架橋反応性を有するもの、架橋反応性を有さないもののいずれであってもよい。 The resin component in the interior material is a component that plays a role of fixing powder such as an extender pigment. Types of resin components include, for example, cellulose, polyvinyl alcohol, ethylene resin, vinyl acetate resin, polyester resin, alkyd resin, vinyl chloride resin, epoxy resin, acrylic resin, urethane resin, acrylic silicon resin, fluorine resin, etc., or these. and the like. These can be used alone or in combination of two or more. Examples of the form of the resin component include water-soluble resins, water-dispersible resins (resin emulsions), solvent-soluble resins, solvent-free resins, non-aqueous-dispersible resins, and powdered resins. A resin and/or a water-dispersible resin is preferred, and an embodiment containing a water-dispersible resin is particularly preferred. A water-based interior material can be obtained by using a water-soluble resin and/or a water-dispersible resin. Moreover, these resin components may be those having cross-linking reactivity or those not having cross-linking reactivity.
内装材における体質顔料は、低光沢化に寄与する成分であり、さらに、自然な質感の付与、塗装作業性向上化等にも寄与する成分である。体質顔料としては、例えば、重質炭酸カルシウム、軽微性炭酸カルシウム、カオリン、クレー、陶土、チャイナクレー、珪藻土、含水微粉珪酸、タルク、バライト粉、硫酸バリウム、沈降性硫酸バリウム、炭酸バリウム、炭酸マグネシウム、シリカ粉、樹脂粉、樹脂ビーズ、水酸化アルミニウム等が挙げられ、これらの１種または２種以上を使用することができる。体質顔料の平均粒子径は、好ましくは５０μｍ未満、より好ましくは０．５～４５μｍ、さらに好ましくは１～４０μｍである。体質顔料の平均粒子径は、レーザー回折式粒度分布測定装置によって測定される値である。 The extender pigment in the interior material is a component that contributes to lowering the glossiness, and furthermore, it is a component that contributes to imparting a natural texture and improving coating workability. Extender pigments include, for example, heavy calcium carbonate, light calcium carbonate, kaolin, clay, china clay, china clay, diatomaceous earth, hydrated finely divided silicic acid, talc, barite powder, barium sulfate, precipitated barium sulfate, barium carbonate, and magnesium carbonate. , silica powder, resin powder, resin beads, aluminum hydroxide, etc., and one or more of these can be used. The average particle size of the extender is preferably less than 50 μm, more preferably 0.5 to 45 μm, still more preferably 1 to 40 μm. The average particle size of the extender is a value measured with a laser diffraction particle size distribution analyzer.
体質顔料の構成比率は、樹脂成分の固形分１００重量部に対し２００～２０００重量部であり、好ましくは３００～１８００重量部、より好ましくは４００～１６００重量部、さらに好ましくは５００～１５００重量部である。体質顔料の構成比率が、上記下限以上であることにより、低光沢化、自然な質感の付与、塗装作業性向上化等の点で好適であり、比較的薄膜で平坦な被膜を形成する場合にも有利である。体質顔料の構成比率が、上記上限以下であることにより、被膜割れ抑制等の点で好適である。 The constituent ratio of the extender pigment is 200 to 2000 parts by weight, preferably 300 to 1800 parts by weight, more preferably 400 to 1600 parts by weight, and still more preferably 500 to 1500 parts by weight with respect to 100 parts by weight of the solid content of the resin component. is. When the composition ratio of the extender pigment is equal to or higher than the above lower limit, it is preferable in terms of reducing gloss, imparting a natural texture, improving coating workability, etc., and is suitable for forming a relatively thin and flat coating. is also advantageous. When the composition ratio of the extender pigment is equal to or less than the above upper limit, it is preferable from the viewpoint of suppressing film cracking and the like.
内装材は、上記成分に加え、さらに骨材を含むことができる。骨材は、自然な質感の付与、塗装作業性向上化等に寄与する成分である。骨材としては、例えば、大理石、御影石、蛇紋岩、花崗岩、蛍石、寒水石、長石、珪石、珪砂等の粉砕物、陶磁器粉砕物、セラミック粉砕物、ガラス粉砕物、ガラスビーズ、樹脂粉砕物、樹脂ビーズ、金属粒等、あるいは、これらの表面を着色コーティングしたもの等が挙げられる。これらは、１種または２種以上で使用できる。 The interior material can further contain aggregate in addition to the above components. Aggregate is a component that contributes to imparting a natural texture and improving painting workability. Aggregates include, for example, pulverized materials such as marble, granite, serpentinite, granite, fluorite, cold water stone, feldspar, silica, and silica sand, pulverized ceramics, pulverized ceramics, pulverized glass, glass beads, and pulverized resin. , resin beads, metal particles, or the like, or the surfaces thereof coated with a color. These can be used singly or in combination of two or more.
本発明では、骨材として着色骨材を含むことができる。着色骨材としては、何らかの色が視認できる骨材が使用できる。着色骨材の色は、例えば、天然由来のものであってもよいし、人工的に付与されたものであってもよい。着色骨材の使用により、内装材層の発色性を高めることができ、所望の色彩を付与することが可能となる。 In the present invention, colored aggregate can be included as the aggregate. As the colored aggregate, an aggregate in which some color can be visually recognized can be used. The color of the colored aggregate may be, for example, naturally derived or artificially imparted. By using the colored aggregate, it is possible to enhance the coloring property of the interior material layer and to impart a desired color.
骨材は、前述の体質顔料や後述の着色顔料よりも、平均粒子径が大であるが、その平均粒子径は、好ましくは０．０５～３ｍｍ、より好ましくは０．０６～１ｍｍ、さらに好ましくは０．０７～０．５ｍｍ、特に好ましくは０．０７５～０．２ｍｍである。骨材がこのような平均粒子径を有することにより、比較的少ない塗付け量で美観性の高い内装材層を形成することができ、内装材層の薄膜化、軽量化等の点でも有利である。なお、骨材の平均粒子径は、ＪＩＳ Ｚ８８０１－１：２０００に規定される金属製網ふるいを用いてふるい分けを行い、その重量分布の平均値を算出することによって得られる値である。 The aggregate has a larger average particle size than the extender pigment described above and the color pigment described later. is 0.07 to 0.5 mm, particularly preferably 0.075 to 0.2 mm. Since the aggregate has such an average particle diameter, it is possible to form an interior material layer with high aesthetic appearance with a relatively small amount of coating, which is advantageous in terms of thinning and weight reduction of the interior material layer. be. The average particle size of the aggregate is a value obtained by sieving using a metal mesh sieve specified in JIS Z8801-1:2000 and calculating the average value of the weight distribution.
骨材の構成比率は、樹脂成分の固形分１００重量部に対し、好ましくは２０～２０００重量部であり、より好ましくは５０～１６００重量部、さらに好ましくは１００～１４００重量部、特に好ましくは２００～１２００重量部である。骨材の構成比率が、上記下限以上であることにより、自然な質感の付与、塗装作業性向上化等の点で好適である。骨材の構成比率が、上記上限以下であることにより、被膜割れ抑制等の点で好適であり、比較的薄膜で平坦な被膜を形成する場合にも有利である。このような観点から、体質顔料と骨材との重量比（体質顔料：骨材）は、好ましくは９５：５～２０：８０、より好ましくは９０：１０～４０：６０、さらに好ましくは８５：１５～５０：５０である。 The composition ratio of the aggregate is preferably 20 to 2000 parts by weight, more preferably 50 to 1600 parts by weight, still more preferably 100 to 1400 parts by weight, and particularly preferably 200 parts by weight with respect to 100 parts by weight of the solid content of the resin component. ~1200 parts by weight. When the composition ratio of the aggregate is equal to or higher than the above lower limit, it is preferable in terms of imparting a natural texture, improving coating workability, and the like. When the composition ratio of the aggregate is equal to or less than the above upper limit, it is preferable in terms of suppression of coating cracking and the like, and is also advantageous when forming a relatively thin and flat coating. From such a point of view, the weight ratio of the extender to the aggregate (extender: aggregate) is preferably 95:5 to 20:80, more preferably 90:10 to 40:60, still more preferably 85: It is 15-50:50.
内装材は、上記成分に加え、さらに着色顔料を含むことができる。着色顔料は、内装材層の発色性、隠蔽性等に寄与する成分である。着色顔料の使用により、内装材層に所望の色彩を付与することが可能となる。 The interior material can further contain a color pigment in addition to the above components. A color pigment is a component that contributes to the color developing property, hiding property, etc. of the interior material layer. By using a coloring pigment, it becomes possible to impart a desired color to the interior material layer.
着色顔料としては、例えば、酸化チタン、酸化亜鉛、カーボンブラック、黒鉛、黒色酸化鉄、鉄‐マンガン複合酸化物、鉄‐銅‐マンガン複合酸化物、鉄‐クロム複合酸化物、鉄‐クロム‐コバルト複合酸化物、銅‐クロム複合酸化物、銅‐マンガン‐クロム複合酸化物、銅－マグネシウム複合酸化物、ビスマス－マンガン複合酸化物、弁柄、モリブデートオレンジ、パーマネントレッド、パーマネントカーミン、アントラキノンレッド、ペリレンレッド、キナクリドンレッド、黄色酸化鉄、チタンイエロー、ファーストイエロー、ベンツイミダゾロンイエロー、クロムグリーン、コバルトグリーン、フタロシアニングリーン、群青、紺青、コバルトブルー、フタロシアニンブルー、キナクリドンバイオレット、ジオキサジンバイオレット、アルミニウム顔料、パール顔料等が挙げられる。これらは、１種または２種以上で使用できる。着色顔料の平均粒子径は、好ましくは２μｍ以下、より好ましくは０．０１～１μｍである。着色顔料の平均粒子径は、レーザー回折式粒度分布測定装置によって測定される値である。 Color pigments include, for example, titanium oxide, zinc oxide, carbon black, graphite, black iron oxide, iron-manganese composite oxide, iron-copper-manganese composite oxide, iron-chromium composite oxide, iron-chromium-cobalt Composite oxide, copper-chromium composite oxide, copper-manganese-chromium composite oxide, copper-magnesium composite oxide, bismuth-manganese composite oxide, red iron oxide, molybdate orange, permanent red, permanent carmine, anthraquinone red, perylene red, quinacridone red, yellow iron oxide, titanium yellow, fast yellow, benzimidazolone yellow, chrome green, cobalt green, phthalocyanine green, ultramarine, navy blue, cobalt blue, phthalocyanine blue, quinacridone violet, dioxazine violet, aluminum pigment, pearl pigments and the like. These can be used singly or in combination of two or more. The average particle size of the color pigment is preferably 2 μm or less, more preferably 0.01 to 1 μm. The average particle size of the color pigment is a value measured with a laser diffraction particle size distribution analyzer.
着色顔料の構成比率は、樹脂成分の固形分１００重量部に対し、好ましくは１～２００重量部であり、より好ましくは５～１８０重量部、さらに好ましくは１０～１６０重量部、特に好ましくは２０～１５０重量部である。着色顔料の構成比率が、上記下限以上であることにより、発色性、隠蔽性等の点で好適である。着色顔料の構成比率が、上記上限以下であることにより、被膜割れ抑制、自然な質感の付与等の点で好適である。着色顔料と着色骨材を併用した場合は、これらの複合的な発色が可能となり、質感、自然感、きめ細やかさ等を高めることもができる。 The composition ratio of the color pigment is preferably 1 to 200 parts by weight, more preferably 5 to 180 parts by weight, still more preferably 10 to 160 parts by weight, particularly preferably 20 parts by weight, with respect to 100 parts by weight of the solid content of the resin component. ~150 parts by weight. When the composition ratio of the color pigment is equal to or higher than the above lower limit, it is preferable in terms of color developability, concealability, and the like. When the composition ratio of the color pigment is equal to or less than the above upper limit, it is preferable from the viewpoints of suppressing film cracking and imparting a natural texture. When a coloring pigment and a coloring aggregate are used in combination, it is possible to develop a composite color of these, and it is also possible to enhance texture, naturalness, fineness, and the like.
内装材は、本発明の効果を著しく損なわない限り、上記以外の成分を含むこともできる。このような成分としては、例えば、増粘剤、造膜助剤、レベリング剤、湿潤剤、可塑剤、凍結防止剤、ｐＨ調整剤、防腐剤、防黴剤、防藻剤、抗菌剤、分散剤、消泡剤、吸着剤、繊維、撥水剤、親水化剤、架橋剤、カップリング剤、紫外線吸収剤、光安定剤、酸化防止剤、触媒、溶剤、水等が挙げられる。内装材は、上述の樹脂成分、体質顔料、及び必要に応じ上記各成分等を常法により均一に混合することで製造できる。 The interior material can also contain components other than those described above as long as the effects of the present invention are not significantly impaired. Such components include, for example, thickeners, film-forming aids, leveling agents, wetting agents, plasticizers, antifreeze agents, pH adjusters, preservatives, antifungal agents, antialgae agents, antibacterial agents, and dispersants. agents, antifoaming agents, adsorbents, fibers, water repellents, hydrophilizing agents, cross-linking agents, coupling agents, ultraviolet absorbers, light stabilizers, antioxidants, catalysts, solvents, water and the like. The interior material can be produced by uniformly mixing the above resin component, extender pigment, and, if necessary, each of the above components by a conventional method.
本発明における内装材層は、建築物の内壁面等の被塗面に上記内装材を塗付・乾燥することによって形成できる。内装材層は、透明被覆材と同時期に塗装して新設被膜として形成することができる。また、内装材層は、透明被覆材の塗装前に予め旧塗膜として存在するものであってもよい。 The interior material layer in the present invention can be formed by applying the above interior material to a surface to be coated such as an inner wall surface of a building and drying it. The interior material layer can be formed as a new coating by coating at the same time as the transparent covering material. Further, the interior material layer may exist in advance as an old coating film before the coating of the transparent covering material.
被塗面を構成する下地としては、例えば、コンクリート、モルタル、磁器タイル、繊維混入セメント板、セメント珪酸カルシウム板、スラグセメントパーライト板、セメント板、ＡＬＣ板、サイディング板、石膏ボード、合板、押出成形板、鋼板、プラスチック板等が挙げられる。これら下地の表面は、何らかの表面処理（例えば、パテ、シーラー、サーフェーサー、フィラー等による処理）が施されたものでもよく、既に塗膜が形成されたものや、壁紙等が貼着されたもの等であってもよい。シーラー、サーフェーサー、フィラー等の下塗材を用いる場合は、その色調を内装材の近似色（共色）に設定することができる。 Examples of the substrate constituting the surface to be coated include concrete, mortar, porcelain tile, fiber-mixed cement board, cement calcium silicate board, slag cement perlite board, cement board, ALC board, siding board, gypsum board, plywood, and extrusion molding. A plate, a steel plate, a plastic plate, etc. are mentioned. The surface of these bases may be subjected to some surface treatment (for example, treatment with putty, sealer, surfacer, filler, etc.), and may be those with a coating film already formed, or those with wallpaper or the like attached. may be When undercoat materials such as sealers, surfacers, fillers, etc. are used, the color tone can be set to a similar color (common color) to the interior material.
内装材の塗装においては、例えば、スプレー、ローラー、刷毛、コテ、ヘラ等の器具を用いることができる。具体的に、内装材を被塗面に塗着させる際には、例えば、スプレー、ローラー、コテ、ヘラ等の器具を用いることができる。内装材を被塗面に塗着させたときの形状や量は、所望の仕上り状態、美観性等に応じて適宜設定することができる。次いで、塗着した内装材を塗り広げる場合には、例えば、コテ、ヘラ、ローラー等の器具を用いることができる。このうち、内装材を塗り広げる際に、コテ、ヘラ等を使用した場合は、塗面を均すことで平坦な内装材層が得られやすくなる。本発明では、少なくとも内装材を塗り広げる際に、コテを用いることが望ましく、内装材を被塗面に塗着させる際及び内装材を塗り広げる際に、コテを用いることがより望ましい。内装材を塗り広げる際には、霧吹き等で水や溶剤を塗面に供給しつつ塗面を均すこともできる。 In coating the interior material, for example, tools such as a spray, a roller, a brush, a trowel, and a spatula can be used. Specifically, when the interior material is applied to the surface to be coated, for example, tools such as a spray, a roller, a trowel, and a spatula can be used. The shape and amount of the interior material applied to the surface to be coated can be appropriately set according to the desired finish state, aesthetic appearance, and the like. Then, when spreading the coated interior material, for example, a tool such as a trowel, a spatula, and a roller can be used. Of these, if a trowel, spatula, or the like is used to spread the interior material, it is easier to obtain a flat interior material layer by leveling the coated surface. In the present invention, it is desirable to use a trowel at least when spreading the interior material, and it is more desirable to use a trowel when applying the interior material to the surface to be coated and when spreading the interior material. When spreading the interior material, it is also possible to level the coated surface while supplying water or a solvent to the coated surface by means of a sprayer or the like.
内装材の塗付け量（固形分換算）は、好ましくは８０～３０００ｇ／ｍ２、より好ましくは１５０～１０００ｇ／ｍ２、さらに好ましくは２００～７５０ｇ／ｍ２、特に好ましくは３００～７００ｇ／ｍ２である。本発明では、比較的少ない塗付け量で美観性の高い内装材層を形成することができ、被膜の薄膜化、軽量化等を図ることもできる。 The coating amount (solid content conversion) of the interior material is preferably 80 to 3000 g/m 2 , more preferably 150 to 1000 g/m 2 , still more preferably 200 to 750 g/m 2 , particularly preferably 300 to 700 g/m 2 . In the present invention, it is possible to form a highly aesthetic interior material layer with a relatively small coating amount, and it is also possible to reduce the thickness and weight of the coating.
内装材塗装後の乾燥は、常温（好ましくは０～５０℃、より好ましくは５～４５℃）で行えばよく、必要に応じ加熱することもできる。 Drying after coating of the interior material may be carried out at room temperature (preferably 0 to 50° C., more preferably 5 to 45° C.), and heating can be performed if necessary.
このような内装材によって形成される内装材層は、低光沢で落ち着きのある仕上り感を呈することができる。内装材層の鏡面光沢度（測定角度６０度）は、好ましくは４０以下、より好ましくは２０以下、さらに好ましくは１０以下である。 An interior material layer formed of such an interior material can provide a low-gloss, calm finish. The specular gloss of the interior material layer (measured at an angle of 60 degrees) is preferably 40 or less, more preferably 20 or less, still more preferably 10 or less.
内装材層は、１種または２種以上の内装材を用いて形成することができる。２種以上の異色の内装材を用いた場合は、多色が混在する色彩豊かな内装材層を形成することもできる。 The interior material layer can be formed using one or more interior materials. When two or more different color interior materials are used, a colorful interior material layer in which multiple colors are mixed can be formed.
本発明では、内装材の塗装後、内装材層の表面に研磨処理を施すことができる。研磨処理は、例えば、被膜の平滑性向上等の目的で行うことができる。研磨処理は、研磨布紙等を用いて公知の方法により行えばよい。研磨布紙の粒度は、所望の平滑度合に応じて適宜選択することができる。２種以上の研磨布紙を使用して処理を行うこともできる。また、研磨処理においては、必要に応じ水等で被膜表面を湿潤させながら研磨を行うこともできる。研磨によって発生した粉は、エアブローやウエス等で除去すればよい。 In the present invention, after coating the interior material, the surface of the interior material layer can be subjected to a polishing treatment. The polishing treatment can be performed, for example, for the purpose of improving the smoothness of the film. The polishing treatment may be carried out by a known method using abrasive coated paper or the like. The particle size of the coated abrasive can be appropriately selected according to the desired degree of smoothness. Treatment can also be carried out using more than one type of coated abrasive. In addition, in the polishing treatment, polishing can be performed while the film surface is moistened with water or the like, if necessary. Powder generated by polishing may be removed by an air blow, a waste cloth, or the like.
［透明被覆材層］
本発明では、上記内装材層の表面に透明被覆材層を積層する。透明被覆材層は、その塗付け量が固形分換算で０．１～３０ｇ／ｍ２である。本発明では、このような内装材層と透明被覆材層との積層によって、低光沢で落ち着きのある仕上り感を呈することができ、耐擦り傷性も具備する被膜を得ることができる。
[Transparent covering material layer]
In the present invention, a transparent coating material layer is laminated on the surface of the interior material layer. The coating amount of the transparent coating material layer is 0.1 to 30 g/m 2 in terms of solid content. In the present invention, by lamination of such an interior material layer and a transparent coating material layer, it is possible to obtain a coating that is low in gloss and has a calm finish and is also equipped with scratch resistance.
透明被覆材層は、樹脂成分を含む透明被覆材の塗付（塗装）によって得ることができる。透明被覆材における樹脂成分としては、例えば、セルロース、ポリビニルアルコール、エチレン樹脂、酢酸ビニル樹脂、ポリエステル樹脂、アルキッド樹脂、塩化ビニル樹脂、エポキシ樹脂、アクリル樹脂、ウレタン樹脂、アクリルシリコン樹脂、フッ素樹脂等、あるいはこれらの複合系等を挙げることができる。これらは１種または２種以上で使用することができる。樹脂成分の形態としては、例えば、水溶性樹脂、水分散性樹脂（樹脂エマルション）、溶剤可溶形樹脂、無溶剤形樹脂、非水分散形樹脂、粉末樹脂等が挙げられ、この中でも水溶性樹脂及び／または水分散性樹脂が好ましく、とりわけ水分散性樹脂を含む態様が好適である。水溶性樹脂及び／または水分散性樹脂の使用により、水性透明被覆材を得ることができる。また、これら樹脂成分は、架橋反応性を有するもの、架橋反応性を有さないもののいずれであってもよい。 The transparent coating material layer can be obtained by applying (coating) a transparent coating material containing a resin component. Examples of resin components in the transparent coating material include cellulose, polyvinyl alcohol, ethylene resin, vinyl acetate resin, polyester resin, alkyd resin, vinyl chloride resin, epoxy resin, acrylic resin, urethane resin, acrylic silicon resin, fluorine resin, etc. Alternatively, a composite system of these and the like can be mentioned. These can be used alone or in combination of two or more. Examples of the form of the resin component include water-soluble resins, water-dispersible resins (resin emulsions), solvent-soluble resins, solvent-free resins, non-aqueous-dispersible resins, and powdered resins. A resin and/or a water-dispersible resin is preferred, and an embodiment containing a water-dispersible resin is particularly preferred. Water-based transparent coatings can be obtained by using water-soluble and/or water-dispersible resins. Moreover, these resin components may be those having cross-linking reactivity or those not having cross-linking reactivity.
透明被覆材における樹脂成分のガラス転移温度は、好ましくは２０℃以上、より好ましくは２５～８０℃、さらに好ましくは３０～６０℃である。透明被覆材がこのような樹脂成分を含むことにより、耐擦り傷性等をいっそう高めることができる。このガラス転移温度は、Ｆｏｘの計算式により求めることができる。 The glass transition temperature of the resin component in the transparent coating material is preferably 20.degree. C. or higher, more preferably 25.degree. C. to 80.degree. By including such a resin component in the transparent coating material, it is possible to further improve the scratch resistance and the like. The glass transition temperature can be determined by the Fox calculation formula.
透明被覆材における樹脂成分としては、アクリル樹脂エマルションが好適である。アクリル樹脂エマルションは、（メタ）アクリル酸アルキルエステルを主成分とする重合体粒子の水分散体である。このようなアクリル樹脂エマルションは、例えば、（メタ）アクリル酸アルキルエステル、及び必要に応じその他のモノマーを含むモノマー群を、公知の方法で乳化重合することによって得ることができる。 An acrylic resin emulsion is suitable as the resin component in the transparent covering material. An acrylic resin emulsion is an aqueous dispersion of polymer particles containing (meth)acrylic acid alkyl ester as a main component. Such an acrylic resin emulsion can be obtained, for example, by emulsion polymerization of a monomer group containing a (meth)acrylic acid alkyl ester and optionally other monomers by a known method.
（メタ）アクリル酸アルキルエステルとしては、例えばメチル（メタ）アクリレート、エチル（メタ）アクリレート、イソプロピル（メタ）アクリレート、ｎ－ブチル（メタ）アクリレート、イソブチル（メタ）アクリレート、ｔ－ブチル（メタ）アクリレート、ｎ－アミル（メタ）アクリレート、イソアミル（メタ）アクリレート、ｎ－ヘキシル（メタ）アクリレート、２－エチルヘキシル（メタ）アクリレート、オクチル（メタ）アクリレート、デシル（メタ）アクリレート、ドデシル（メタ）アクリレート、オクタデシル（メタ）アクリレート、シクロヘキシル（メタ）アクリレート、フェニル（メタ）アクリレート、ベンジル（メタ）アクリレート等が挙げられる。これらは、１種または２種以上で使用できる。このような（メタ）アクリル酸アルキルエステルの構成比率は、アクリル樹脂エマルションを構成する全モノマーに対し、好ましくは３０重量％以上、より好ましくは４０～９９．９重量％、さらに好ましくは５０～９９．５重量％である。なお、本発明では、アクリル酸アルキルエステルとメタクリル酸アルキルエステルを合わせて、（メタ）アクリル酸アルキルエステルと表記している。 Examples of (meth)acrylic acid alkyl esters include methyl (meth)acrylate, ethyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylate, isobutyl (meth)acrylate, and t-butyl (meth)acrylate. , n-amyl (meth)acrylate, isoamyl (meth)acrylate, n-hexyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, octyl (meth)acrylate, decyl (meth)acrylate, dodecyl (meth)acrylate, octadecyl (Meth)acrylate, cyclohexyl (meth)acrylate, phenyl (meth)acrylate, benzyl (meth)acrylate and the like. These can be used singly or in combination of two or more. The composition ratio of such (meth)acrylic acid alkyl ester is preferably 30% by weight or more, more preferably 40 to 99.9% by weight, more preferably 50 to 99% by weight, based on the total monomers constituting the acrylic resin emulsion. .5% by weight. In the present invention, alkyl acrylate and alkyl methacrylate are collectively referred to as alkyl (meth)acrylate.
その他のモノマーとしては、例えばカルボキシル基含有モノマー、アミノ基含有モノマー、ピリジン系モノマー、水酸基含有モノマー、ニトリル基含有モノマー、アミド基含有モノマー、エポキシ基含有モノマー、カルボニル基含有モノマー、アルコキシシリル基含有モノマー、芳香族モノマー、スルホン酸基含有モノマー、フッ素含有モノマー、ポリオキシアルキレン鎖含有モノマー、ジビニル系モノマー、トリビニル系モノマー、紫外線吸収性基含有モノマー、光安定性基含有モノマー等が挙げられる。これらは、１種または２種以上で使用できる。これらその他のモノマーの構成比率は、アクリル樹脂エマルションを構成する全モノマーに対し、好ましくは０．１～６０重量％、より好ましくは０．５～５０重量％である。 Examples of other monomers include carboxyl group-containing monomers, amino group-containing monomers, pyridine-based monomers, hydroxyl group-containing monomers, nitrile group-containing monomers, amide group-containing monomers, epoxy group-containing monomers, carbonyl group-containing monomers, and alkoxysilyl group-containing monomers. , aromatic monomers, sulfonic acid group-containing monomers, fluorine-containing monomers, polyoxyalkylene chain-containing monomers, divinyl-based monomers, trivinyl-based monomers, UV-absorbing group-containing monomers, photostable group-containing monomers, and the like. These can be used singly or in combination of two or more. The composition ratio of these other monomers is preferably 0.1 to 60% by weight, more preferably 0.5 to 50% by weight, based on the total monomers constituting the acrylic resin emulsion.
アクリル樹脂エマルションとしては、上記条件を満たすものが使用でき、例えば、アクリルスチレン樹脂エマルション、エポキシ変性アクリル樹脂エマルション、ウレタン変性アクリル樹脂エマルション、シリコン変性アクリル樹脂エマルション、フッ素変性アクリル樹脂エマルション等を使用することもできる。また、アクリル樹脂エマルションの形態は、例えば、多段階重合で得られる多層構造型エマルション（コアシェル型エマルション）等であってもよいし、架橋反応を生じる架橋反応型エマルション等であってもよい。 As the acrylic resin emulsion, those satisfying the above conditions can be used. For example, acrylic styrene resin emulsion, epoxy-modified acrylic resin emulsion, urethane-modified acrylic resin emulsion, silicon-modified acrylic resin emulsion, fluorine-modified acrylic resin emulsion, etc. can be used. can also The form of the acrylic resin emulsion may be, for example, a multi-layer structure emulsion (core-shell emulsion) obtained by multi-stage polymerization, or a cross-linking reaction emulsion that causes a cross-linking reaction.
アクリル樹脂エマルションの平均粒子径は、好ましくは３０～２００ｎｍ、より好ましくは５０～１６０ｎｍである。この平均粒子径は、動的光散乱法により測定される値（測定温度は２５℃）である。 The average particle size of the acrylic resin emulsion is preferably 30-200 nm, more preferably 50-160 nm. This average particle size is a value measured by a dynamic light scattering method (measurement temperature is 25°C).
透明被覆材における樹脂成分（固形分）の比率は、好ましくは１～５０重量％、より好ましくは２～３０重量％、さらに好ましくは３～１５重量％である。 The ratio of the resin component (solid content) in the transparent coating material is preferably 1 to 50% by weight, more preferably 2 to 30% by weight, still more preferably 3 to 15% by weight.
透明性被覆材は、本発明の効果を著しく損なわない限り、上記以外の成分を含むこともできる。このような成分としては、例えば、着色顔料、体質顔料、艶消し剤、増粘剤、造膜助剤、レベリング剤、湿潤剤、可塑剤、凍結防止剤、ｐＨ調整剤、防腐剤、防黴剤、防藻剤、抗菌剤、分散剤、消泡剤、吸着剤、繊維、撥水剤、親水化剤、架橋剤、カップリング剤、紫外線吸収剤、光安定剤、酸化防止剤、触媒、溶剤、水等が挙げられる。透明被覆材は、上述の樹脂成分、及び必要に応じ上記各成分等を常法により均一に混合することで製造できる。 The transparent coating material can also contain components other than those mentioned above as long as the effects of the present invention are not significantly impaired. Examples of such components include coloring pigments, extender pigments, matting agents, thickeners, film-forming aids, leveling agents, wetting agents, plasticizers, antifreeze agents, pH adjusters, preservatives, antifungal agents, agents, anti-algae agents, antibacterial agents, dispersants, antifoaming agents, adsorbents, fibers, water repellent agents, hydrophilizing agents, cross-linking agents, coupling agents, UV absorbers, light stabilizers, antioxidants, catalysts, Examples include solvents, water, and the like. The transparent coating material can be produced by uniformly mixing the above-described resin component and, if necessary, each of the above-described components, etc., by a conventional method.
透明被覆材の加熱残分は、好ましくは１～５０重量％、より好ましくは２～３０重量％、さらに好ましくは３～１５重量％である。これにより、透明被覆材の塗装によるムラを十分に抑制することができ、均一な透明被覆材層が得られやすくなる。なお、ここに言う加熱残分は、塗装時における透明被覆材の加熱残分であり、透明被覆材を希釈して塗装する場合は、希釈後の透明被覆材を対象とする。加熱残分は、ＪＩＳ Ｋ５６０１－１－２「加熱残分」の方法に準じ、加熱温度１３５℃、加熱時間６０分の条件にて測定したときの値である。 The content of the transparent coating material after heating is preferably 1 to 50% by weight, more preferably 2 to 30% by weight, and still more preferably 3 to 15% by weight. As a result, unevenness due to coating of the transparent coating material can be sufficiently suppressed, and a uniform transparent coating material layer can be easily obtained. The heating residue referred to here is the heating residue of the transparent coating material at the time of coating. When the transparent coating material is diluted and coated, the diluted transparent coating material is the target. The heating residue is a value measured according to the method of JIS K5601-1-2 “heating residue” under the conditions of a heating temperature of 135° C. and a heating time of 60 minutes.
透明被覆材の塗装においては、例えば、スプレー、ローラー、刷毛等の器具を用いることができる。透明被覆材塗装後の乾燥は、常温（好ましくは０～５０℃、より好ましくは５～４５℃）で行えばよく、必要に応じ加熱することもできる。 In coating the transparent coating material, for example, tools such as a spray, a roller, and a brush can be used. Drying after coating of the transparent coating material may be carried out at normal temperature (preferably 0 to 50° C., more preferably 5 to 45° C.), and heating can be performed if necessary.
透明被覆材の塗付け量は、固形分換算で０．１～３０ｇ／ｍ２であり、好ましくは０．５～２０ｇ／ｍ２、より好ましくは１～１０ｇ／ｍ２である。これにより、低光沢で落ち着きのある仕上り感が得られ、耐擦り傷性等を高めることができる。研磨処理を施した内装材層に対しては、研磨による白色化を抑制することもできる。また、研磨によって傷等が生じた場合は、その傷を補修することもできる。透明被覆材の塗付け量が上記下限を下回る場合は、耐擦り傷性等において十分な効果が得られ難い。透明被覆材の塗付け量が上記上限を上回る場合は、低光沢で落ち着きのある仕上り感が得られ難くなる。 The coating amount of the transparent coating material is 0.1 to 30 g/m 2 , preferably 0.5 to 20 g/m 2 , more preferably 1 to 10 g/m 2 in terms of solid content. As a result, it is possible to obtain a low-gloss finish with a calm feeling, and to improve scratch resistance and the like. Whitening due to polishing can also be suppressed for the polished interior material layer. Also, if scratches or the like are caused by polishing, the scratches can be repaired. If the coating amount of the transparent coating material is less than the above lower limit, it is difficult to obtain a sufficient effect on scratch resistance and the like. If the coating amount of the transparent coating material exceeds the above upper limit, it becomes difficult to obtain a low-gloss and calm finish.
以下に実施例を示し、本発明の特徴をより明確にするが、本発明はこの実施例に限定されない。 Examples are shown below to clarify the features of the present invention, but the present invention is not limited to these examples.
内装材、透明被覆材の製造には、以下の原料を用いた。
・樹脂Ａ：アクリル樹脂エマルション（固形分５０重量％、ガラス転移温度３０℃、平均粒子径１２０ｎｍ）
・樹脂Ｂ：アクリル樹脂エマルション（固形分５０重量％、ガラス転移温度４０℃、平均粒子径１１０ｎｍ）
・体質顔料Ａ：重質炭酸カルシウム（平均粒子径１５μｍ）
・体質顔料Ｂ：樹脂ビーズ（平均粒子径８μｍ）
・骨材Ａ：白色珪砂（平均粒子径１５０μｍ）
・着色顔料Ａ：黒色顔料分散液（カーボンブラック（平均粒子径０．０５μｍ）の２０重量％分散液）
・着色顔料Ｂ：黄色顔料分散液（黄色酸化鉄（平均粒子径０．５μｍ）の５０重量％分散液）
・着色顔料Ｃ：赤色顔料分散液（弁柄（平均粒子径０．２μｍ）の５０重量％分散液）
・着色顔料Ｄ：白色顔料分散液（酸化チタン（平均粒子径０．３μｍ）の６０重量％分散液）
・繊維：無機系繊維（平均繊維長０．１ｍｍ）
・分散剤：ポリカルボン酸系分散剤
・造膜助剤：エーテル系造膜助剤
・増粘剤：ヒドロキシエチルセルロース３重量％水溶液
・消泡剤：シリコーン系消泡剤
The following raw materials were used for manufacturing the interior material and the transparent covering material.
- Resin A: acrylic resin emulsion (solid content 50% by weight, glass transition temperature 30°C, average particle size 120 nm)
- Resin B: acrylic resin emulsion (solid content 50% by weight, glass transition temperature 40°C, average particle size 110 nm)
・ Extender pigment A: heavy calcium carbonate (average particle size 15 μm)
・ Extender pigment B: resin beads (average particle size 8 μm)
・ Aggregate A: White silica sand (average particle size 150 μm)
Coloring pigment A: black pigment dispersion (20% by weight dispersion of carbon black (average particle size 0.05 μm))
Coloring pigment B: yellow pigment dispersion (50% by weight dispersion of yellow iron oxide (average particle size 0.5 μm))
Coloring pigment C: red pigment dispersion (50% by weight dispersion of rouge (average particle size 0.2 μm))
Coloring pigment D: white pigment dispersion (60% by weight dispersion of titanium oxide (average particle size 0.3 μm))
・Fiber: Inorganic fiber (average fiber length 0.1 mm)
・Dispersant: Polycarboxylic acid-based dispersant ・Film-forming aid: Ether-based film-forming aid ・Thickening agent: Hydroxyethyl cellulose 3% by weight aqueous solution ・Antifoaming agent: Silicone antifoaming agent
・内装材１の製造
樹脂Ａ２００重量部（固形分換算１００重量部）に対し、体質顔料Ａ８３０重量部、骨材６７０重量部、着色顔料Ａ０．２重量部、着色顔料Ｂ０．２重量部、着色顔料Ｃ０．０５重量部、着色顔料Ｄ６５重量部、繊維１５重量部、分散剤５重量部、造膜助剤１２重量部、増粘剤１６０重量部、水６０重量部、消泡剤５重量部、を常法により混合・攪拌することによって内装材１（淡灰色）を製造した。
・Production of interior material 1 For 200 parts by weight of resin A (100 parts by weight in terms of solid content), 830 parts by weight of extender pigment A, 670 parts by weight of aggregate, 0.2 parts by weight of coloring pigment A, 0.2 parts by weight of coloring pigment B, coloring 0.05 parts by weight of pigment C, 65 parts by weight of color pigment D, 15 parts by weight of fiber, 5 parts by weight of dispersant, 12 parts by weight of film-forming aid, 160 parts by weight of thickener, 60 parts by weight of water, 5 parts by weight of antifoaming agent , were mixed and stirred by a conventional method to produce an interior material 1 (light gray).
・内装材２の製造
樹脂Ａ２００重量部（固形分換算１００重量部）に対し、体質顔料Ａ９８０重量部、骨材５２０重量部、着色顔料Ａ１８重量部、着色顔料Ｂ１８重量部、着色顔料Ｃ６重量部、着色顔料Ｄ３５重量部、繊維１５重量部、分散剤５重量部、造膜助剤１２重量部、増粘剤１６０重量部、水６０重量部、消泡剤５重量部、を常法により混合・攪拌することによって内装材２（濃灰色）を製造した。
・Production of interior material 2 For 200 parts by weight of resin A (100 parts by weight in terms of solid content), 980 parts by weight of extender pigment A, 520 parts by weight of aggregate, 18 parts by weight of coloring pigment A, 18 parts by weight of coloring pigment B, 6 parts by weight of coloring pigment C , 35 parts by weight of color pigment D, 15 parts by weight of fiber, 5 parts by weight of dispersant, 12 parts by weight of film-forming aid, 160 parts by weight of thickener, 60 parts by weight of water, and 5 parts by weight of antifoaming agent. - Interior material 2 (dark gray) was produced by stirring.
・透明被覆材１の製造
樹脂Ｂ２００重量部（固形分換算１００重量部）に対し、造膜助剤１８重量部、消泡剤２重量部を混合し、これに水を加えて、加熱残分５重量％の透明被覆材１を製造した。
・Production of transparent coating material 1 To 200 parts by weight of resin B (100 parts by weight in terms of solid content), 18 parts by weight of film-forming aid and 2 parts by weight of antifoaming agent are mixed, water is added, and the heating residue is obtained. A 5% by weight transparent coating 1 was produced.
・透明被覆材２の製造
樹脂Ｂ２００重量部（固形分換算１００重量部）に対し、体質顔料Ｂ２０重量部、造膜助剤１８重量部、消泡剤２重量部を混合し、これに水を加えて、加熱残分５重量％の透明被覆材２を製造した。
· Production of transparent coating material 2 20 parts by weight of resin B (100 parts by weight in terms of solid content), 20 parts by weight of extender pigment B, 18 parts by weight of film-forming aid, and 2 parts by weight of antifoaming agent are mixed, and water is added to this. In addition, a transparent coating 2 with a heat residue content of 5% by weight was produced.
（実施例１）
被塗面として、予め灰色のシーラー塗装を施したスレート板を用意した。この被塗面上に、内装材１をコテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は４５０ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の右半面に対し、透明被覆材１を塗付け量（固形分換算）６ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）と同程度の低光沢であり、平坦な落ち着きのある仕上り感の淡灰色被膜であった。右半面の被膜表面を布で擦ったところ、特に異常は認められず耐擦り傷性は良好であった。
(Example 1)
A slate plate previously coated with a gray sealer was prepared as a surface to be coated. On this surface to be coated, the interior material 1 was applied with a trowel, and immediately spread and leveled with a trowel to form a coated surface. The coating amount (solid content conversion) of the interior material 1 was set to 450 g/m 2 . After drying for 24 hours, transparent coating material 1 was roller-coated on the right half of the coating of the interior material at a coating amount (in terms of solid content) of 6 g/m 2 , and then dried and cured for 7 days. When the appearance of the film obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) had the same low gloss as the left half surface (without the transparent coating material layer), and the finish was flat and calm. It was a pale gray coating. When the coating surface on the right half was rubbed with a cloth, no particular abnormality was observed and the scratch resistance was good.
（実施例２）
実施例１と同様の被塗面上に、内装材１をコテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は４５０ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の表面を研磨布紙にて軽く研磨した。次いで、内装材被膜の右半面に対し、透明被覆材１を塗付け量（固形分換算）３ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）と同程度の低光沢であり、平坦な落ち着きのある仕上り感の淡灰色被膜であった。また、左半面は研磨によって若干白色化していたが、右半面ではその白色化が解消されていた。右半面の被膜表面について、実施例１と同様の方法で耐擦り傷性を確認したところ、特に異常は認められず良好であった。
(Example 2)
The interior material 1 was applied with a trowel onto the same surface to be coated as in Example 1, and immediately spread and leveled with a trowel to form a coated surface. The coating amount (solid content conversion) of the interior material 1 was set to 450 g/m 2 . After drying for 24 hours, the surface of the coating of the interior material was lightly polished with abrasive cloth paper. Then, the transparent coating material 1 was applied to the right half of the interior coating film with a roller at a coating amount (in terms of solid content) of 3 g/m 2 , and then dried and cured for 7 days. When the appearance of the film obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) had the same low gloss as the left half surface (without the transparent coating material layer), and the finish was flat and calm. It was a pale gray coating. Also, the left half surface was slightly whitened by polishing, but the whitening was canceled in the right half surface. When the abrasion resistance of the coating surface on the right half surface was checked in the same manner as in Example 1, no particular abnormality was observed, and it was found to be good.
（実施例３）
実施例１と同様の被塗面上に、内装材１と内装材２が隣接しつつ一部重なり合った状態で混在するように、コテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は２５０ｇ／ｍ２、内装材２の塗付け量（固形分換算）は２００ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の表面を研磨布紙にて軽く研磨した。次いで、内装材被膜の右半面に対し、透明被覆材１を塗付け量（固形分換算）２ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）と同程度の低光沢であり、平坦な落ち着きのある仕上り感の被膜であった。得られた被膜は、淡灰色と濃灰色の領域が混在し、さらにこれらの中間的な色調による濃淡変化が視認されるモルタル調の美観性を呈していた。また、左半面は研磨によって若干白色化していたが、右半面ではその白色化が解消されていた。右半面の被膜表面について、実施例１と同様の方法で耐擦り傷性を確認したところ、特に異常は認められず良好であった。
(Example 3)
On the same surface to be coated as in Example 1, apply with a trowel so that the interior material 1 and the interior material 2 are adjacent and partially overlapped, and immediately spread and smooth them with a trowel. Thus, a coated surface was formed. The application amount (solid content conversion) of the interior material 1 was 250 g/m 2 , and the application amount (solid content conversion) of the interior material 2 was 200 g/m 2 . After drying for 24 hours, the surface of the coating of the interior material was lightly polished with abrasive cloth paper. Then, the transparent coating material 1 was applied to the right half of the interior coating film with a roller at a coating amount (in terms of solid content) of 2 g/m 2 , and then dried and cured for 7 days. When the appearance of the film obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) had the same low gloss as the left half surface (without the transparent coating material layer), and the finish was flat and calm. It was a film of The resulting film had a mixture of light gray and dark gray areas, and exhibited a mortar-like aesthetic appearance in which a change in shade due to the intermediate color tone between these areas was visually recognized. Also, the left half surface was slightly whitened by polishing, but the whitening was canceled in the right half surface. When the abrasion resistance of the coating surface on the right half surface was checked in the same manner as in Example 1, no particular abnormality was observed, and it was found to be good.
（実施例４）
実施例１と同様の被塗面上に、内装材１をコテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は４５０ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の表面を研磨布紙にて軽く研磨した。次いで、内装材被膜の右半面に対し、透明被覆材２を塗付け量（固形分換算）３ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）と同程度の低光沢であり、平坦な落ち着きのある仕上り感の淡灰色被膜であった。また、左半面は研磨によって若干白色化していたが、右半面ではその白色化が解消されていた。右半面の被膜表面について、実施例１と同様の方法で耐擦り傷性を確認したところ、特に異常は認められず良好であった。
(Example 4)
The interior material 1 was applied with a trowel onto the same surface to be coated as in Example 1, and immediately spread and leveled with a trowel to form a coated surface. The coating amount (solid content conversion) of the interior material 1 was set to 450 g/m 2 . After drying for 24 hours, the surface of the coating of the interior material was lightly polished with abrasive cloth paper. Then, the transparent coating material 2 was applied to the right half of the interior coating with a roller at a coating amount of 3 g/m 2 (in terms of solid content), and then dried and cured for 7 days. When the appearance of the film obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) had the same low gloss as the left half surface (without the transparent coating material layer), and the finish was flat and calm. It was a pale gray coating. Also, the left half surface was slightly whitened by polishing, but the whitening was canceled in the right half surface. When the abrasion resistance of the coating surface on the right half surface was checked in the same manner as in Example 1, no particular abnormality was observed, and it was found to be good.
（比較例１）
実施例１と同様の被塗面上に、内装材１をコテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は４５０ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の右半面に対し、透明被覆材１を塗付け量（固形分換算）０．０５ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）と同程度の低光沢であり、平坦な落ち着きのある仕上り感の淡灰色被膜が得られたが、右半面の被膜表面について、実施例１と同様の方法で耐擦り傷性を確認したところ、一部擦り傷が生じた。
(Comparative example 1)
The interior material 1 was applied with a trowel onto the same surface to be coated as in Example 1, and immediately spread and leveled with a trowel to form a coated surface. The coating amount (solid content conversion) of the interior material 1 was set to 450 g/m 2 . After drying for 24 hours, transparent coating material 1 was applied to the right half of the interior coating film with a roller at a coating amount (in terms of solid content) of 0.05 g/m 2 , followed by drying and curing for 7 days. When the appearance of the film obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) had the same low gloss as the left half surface (without the transparent coating material layer), and the finish was flat and calm. However, when the scratch resistance of the right half of the film surface was checked in the same manner as in Example 1, some scratches were found.
（比較例２）
実施例１と同様の被塗面上に、内装材１をコテで塗着させ、直ちにこれらをコテで塗り広げて均すことにより塗面を形成した。内装材１の塗付け量（固形分換算）は４５０ｇ／ｍ２とした。２４時間乾燥後、内装材被膜の右半面に対し、透明被覆材１を塗付け量（固形分換算）５０ｇ／ｍ２にてローラー塗装後、７日間乾燥養生した。以上の方法で得られた被膜外観を確認したところ、右半面（透明被覆材層あり）は、左半面（透明被覆材層なし）に比べ光沢が発現し、内装材１の被膜とは異なる仕上り感となった。
(Comparative example 2)
The interior material 1 was applied with a trowel onto the same surface to be coated as in Example 1, and immediately spread and leveled with a trowel to form a coated surface. The coating amount (solid content conversion) of the interior material 1 was set to 450 g/m 2 . After drying for 24 hours, transparent coating material 1 was applied to the right half of the interior coating film with a roller at a coating amount (in terms of solid content) of 50 g/m 2 , and dried and cured for 7 days. When the appearance of the coating obtained by the above method was confirmed, the right half surface (with the transparent coating material layer) exhibited gloss compared to the left half surface (without the transparent coating material layer), and the finish was different from the coating of the interior material 1. It became a feeling.
Claims (2)
上記内装材層は、樹脂成分１００重量部に対し、体質顔料２００～２０００重量部を含むものであり、
上記透明被覆材層は、その塗付け量が固形分換算で０．１～３０ｇ／ｍ２である
ことを特徴とする被膜積層体。 A film laminate having an interior material layer and a transparent covering material layer,
The interior material layer contains 200 to 2000 parts by weight of an extender pigment with respect to 100 parts by weight of the resin component,
The film laminate, wherein the coating amount of the transparent coating material layer is 0.1 to 30 g/m 2 in terms of solid content.
上記内装材層は、樹脂成分１００重量部に対し、体質顔料２００～２０００重量部を含むものであり、
上記内装材層に対し、透明被覆材を、その塗付け量が固形分換算で０．１～３０ｇ／ｍ２となるように塗付して透明被覆層を形成する
ことを特徴とする被膜積層体の形成方法。
A method for forming a film laminate having an interior material layer and a transparent covering material layer,
The interior material layer contains 200 to 2000 parts by weight of an extender pigment with respect to 100 parts by weight of the resin component,
A coating laminate characterized by forming a transparent coating layer by applying a transparent coating material to the interior material layer in an amount of 0.1 to 30 g / m 2 in terms of solid content. How the body is formed.
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