JP6512784B2 - Light-weight aerated concrete coating, light-weight aerated concrete structure, method of producing light-weight aerated concrete structure, and coating method - Google Patents
Light-weight aerated concrete coating, light-weight aerated concrete structure, method of producing light-weight aerated concrete structure, and coating method Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims description 43
- 239000011248 coating agent Substances 0.000 title claims description 35
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- 239000004567 concrete Substances 0.000 title description 12
- 239000003973 paint Substances 0.000 claims description 175
- 239000002245 particle Substances 0.000 claims description 121
- 239000011381 foam concrete Substances 0.000 claims description 96
- 229920000642 polymer Polymers 0.000 claims description 68
- 239000000049 pigment Substances 0.000 claims description 40
- 239000004606 Fillers/Extenders Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000010422 painting Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 description 55
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- 239000000463 material Substances 0.000 description 20
- 229920003002 synthetic resin Polymers 0.000 description 20
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- 239000003349 gelling agent Substances 0.000 description 16
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- 238000007789 sealing Methods 0.000 description 13
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- 229920000178 Acrylic resin Polymers 0.000 description 9
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- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 239000001007 phthalocyanine dye Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
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- 239000004576 sand Substances 0.000 description 2
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
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- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- NSEQHAPSDIEVCD-UHFFFAOYSA-N N.[Zn+2] Chemical compound N.[Zn+2] NSEQHAPSDIEVCD-UHFFFAOYSA-N 0.000 description 1
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
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- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
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- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
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Description
本発明は、軽量気泡コンクリート用塗料、並びに軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法に関する。 The present invention relates to a paint for lightweight cellular concrete, a lightweight cellular concrete structure, a method for producing the lightweight cellular concrete structure, and a coating method.
軽量気泡コンクリートは、一般に珪石や珪砂を主成分とする珪酸質原料及び石灰質原料に、水と発泡剤とを添加したスラリーを発泡及び半硬化させ、得られる半硬化体を例えばオートクレーブにて高温高圧水蒸気養生を行うことによって製造される。 A lightweight aerated concrete generally foams and semi-hardens a slurry obtained by adding water and a foaming agent to a siliceous material and a calcareous material mainly composed of silica stone or silica sand, and obtains a semi-cured body obtained, for example, in an autoclave at high temperature and high pressure. Manufactured by steam curing.
このようにして製造される軽量気泡コンクリートは、内部に気泡と細孔を含むため、非常に軽量でありながら、高い耐火性及び断熱性を備え、強度も比較的高いなど優れた性能を有する。このため、軽量気泡コンクリートは、例えば建築物用外壁材などに用いられている。 The lightweight cellular concrete thus produced has excellent performance such as high fire resistance and heat insulation and relatively high strength while being very lightweight because it contains air bubbles and pores inside. For this reason, lightweight cellular concrete is used, for example, as an exterior wall material for buildings.
ここで、軽量気泡コンクリートが建築物用外壁材として用いられる場合には、防水性や意匠性などを付与する観点から、塗料などで表面仕上げを行う必要がある。特許文献１には、軽量気泡コンクリートパネルの表面に下地塗料材を塗着し、その上表面に建築仕上げ塗料材として主材塗料材及び上塗り塗料材を順に積層して構成された表面加工パネルが記載されている。 Here, in the case where lightweight cellular concrete is used as an outer wall material for a building, it is necessary to finish the surface with a paint or the like from the viewpoint of imparting waterproofness, design and the like. In Patent Document 1, a surface-treated panel is constructed by applying a base paint material to the surface of a lightweight cellular concrete panel and sequentially laminating a main paint material and a top paint material as an architectural finish paint material on the upper surface thereof. Have been described.
上記特許文献１においては、軽量気泡コンクリートパネルを塗装する際には、下地塗料材、主材塗料材及び上塗り塗料材を順に塗布しており、少なくとも３回の塗布工程が必要であるが、このような塗装では施工時間が長くなってしまうという問題があった。 In the above-mentioned patent document 1, when the lightweight cellular concrete panel is coated, the base coating material, the main material coating material and the top coating material are applied in order, and at least three application steps are necessary. In such painting, there was a problem that construction time became long.
また、近年は、下地塗料材と乾式の装飾チップを混入させた上塗り塗料材を用いて２工程で塗布された軽量気泡コンクリートパネルが開発されている。しかしながら、図４にも示すように、このような軽量気泡コンクリートパネルは、多彩感などの意匠性に改善の余地が見られた。さらに、当該軽量気泡コンクリートパネルにおいては、上塗り塗料材を塗布した後にローラー押え工程が必要であり、手間がかかるという問題があった。加えて、乾式の装飾チップは大きさに制限があるため、塗料の隠蔽率が低いという問題もあった。 Moreover, in recent years, a lightweight cellular concrete panel coated in two steps using a topcoating material in which a base coating material and a dry decorative chip are mixed has been developed. However, as also shown in FIG. 4, there was a room for improvement in design such as colorfulness in such a lightweight cellular concrete panel. Furthermore, in the said lightweight cellular concrete panel, after apply | coating a top-coat material, the roller pressing process is required and there existed a problem that an effort was taken. In addition, there is also a problem that the hiding factor of the paint is low because the dry decorative chip is limited in size.
本発明は、２回の塗布工程で隠蔽率に優れた軽量気泡コンクリート用塗料を提供することを目的とする。また、本発明は、２回の塗布工程で軽量気泡コンクリートへの意匠性の付与が十分にでき、隠蔽率にも優れた軽量気泡コンクリート用塗料を提供することを目的とする。また、本発明は、多彩感などの意匠性に優れた軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法を提供することを目的とする。 An object of the present invention is to provide a paint for lightweight cellular concrete which is excellent in concealment ratio in two coating steps. Another object of the present invention is to provide a lightweight coating material for lightweight cellular concrete which can sufficiently impart design properties to lightweight cellular concrete in two coating steps, and is also excellent in concealing rate. Another object of the present invention is to provide a lightweight cellular concrete structure excellent in designability such as a sense of colorfulness, a method of manufacturing the lightweight cellular concrete structure, and a coating method.
本発明は、以下の［１］〜［１１］に関する。
［１］第１の塗料及び第２の塗料を備える軽量気泡コンクリート用塗料であって、第１の塗料が下地塗料を含み、第２の塗料が着色高分子粒体を含有し、第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。
［２］第１の塗料及び第２の塗料を備える軽量気泡コンクリート用塗料であって、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、第２の塗料の隠蔽率が８０％以上である、軽量気泡コンクリート用塗料。
［３］少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体と、を含む、［２］の軽量気泡コンクリート用塗料。
［４］第１の塗料における体質顔料の含有率が、３０質量％を超えて７０質量％未満である、［１］〜［３］のいずれかの軽量気泡コンクリート用塗料。
［５］第１の塗料における着色顔料の含有率が０．１質量％以上１５質量％未満である、［１］〜［４］のいずれかの軽量気泡コンクリート用塗料。
［６］軽量気泡コンクリートと、第１の塗料によって軽量気泡コンクリートの表面上に形成された第１の層と、第２の塗料によって第１の層の表面上に形成された第２の層と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体。
［７］第２の塗料の隠蔽率が８０％以上である、［６］記載の軽量気泡コンクリート構造体。
［８］軽量気泡コンクリート、第１の層及び第２の層を備える軽量気泡コンクリート構造体の製造方法であって、軽量気泡コンクリートの表面上に、第１の塗料を塗布し、第１の層を形成する第１の工程と、第１の層の表面上に、第２の塗料を塗布し、第２の層を形成する第２の工程と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリート構造体の製造方法。
［９］第２の塗料の隠蔽率が８０％以上である、［８］記載の軽量気泡コンクリート構造体の製造方法。
［１０］軽量気泡コンクリートを塗装する塗装方法であって、軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備え、第１の塗料が下地塗料を含み、第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含む、軽量気泡コンクリートの塗装方法。
［１１］第２の塗料の隠蔽率が８０％以上である、［１０］記載の軽量気泡コンクリートの塗装方法。
The present invention relates to the following [1] to [11].
[1] A paint for lightweight cellular concrete comprising a first paint and a second paint, wherein the first paint contains a base paint, and the second paint contains colored polymer particles; Paint for lightweight cellular concrete with a paint hiding ratio of 80% or more.
[2] A paint for lightweight cellular concrete comprising a first paint and a second paint, wherein the first paint contains a base paint, and the second paint contains at least two types of colored polymer particles. A light-weight, aerated concrete paint, comprising a multi-colored paint, wherein the hiding power of the second paint is 80% or more.
[3] At least two types of colored polymer particles include a first colored polymer particle having a particle size of less than 4 mm, and a second colored polymer particle having a particle size of 4 mm or more. 2] Lightweight aerated concrete paint.
[4] The paint for lightweight cellular concrete according to any one of [1] to [3], wherein the content of the extender pigment in the first paint is more than 30% by mass and less than 70% by mass.
[5] The paint for lightweight cellular concrete according to any one of [1] to [4], wherein the content of the color pigment in the first paint is 0.1% by mass or more and less than 15% by mass.
[6] Lightweight cellular concrete, a first layer formed on the surface of lightweight cellular concrete by the first paint, and a second layer formed on the surface of the first layer by the second paint A lightweight cellular concrete structure, comprising: a first paint comprising an undercoat, and a second paint comprising a multi-colored paint comprising at least two colored polymer particles.
[7] The lightweight cellular concrete structure according to [6], wherein the hiding ratio of the second paint is 80% or more.
[8] A method for producing a lightweight cellular concrete structure comprising lightweight cellular concrete, a first layer and a second layer, comprising applying a first paint on the surface of the lightweight cellular concrete, the first layer And a second step of applying a second paint on the surface of the first layer to form a second layer, wherein the first paint comprises an undercoating material. A method of making a lightweight cellular concrete structure, comprising: a multicolored paint comprising a second paint comprising at least two colored polymeric particles.
[9] The method for producing a lightweight cellular concrete structure according to [8], wherein the hiding ratio of the second paint is 80% or more.
[10] A coating method for coating lightweight cellular concrete, comprising the steps of applying a first paint on the surface of the lightweight cellular concrete, and on the surface of the first layer formed of the first paint, Applying a second paint, wherein the first paint comprises a base paint and the second paint comprises a multi-colored paint comprising at least two colored polymer particles; How to paint.
[11] The method for coating lightweight cellular concrete according to [10], wherein the hiding ratio of the second paint is 80% or more.
本発明によれば、２回の塗布工程で隠蔽率に優れた軽量気泡コンクリート用塗料を提供することが可能となる。また、本発明によれば、２回の塗布工程で軽量気泡コンクリートへの意匠性の付与が十分にでき、隠蔽率にも優れた軽量気泡コンクリート用塗料を提供することが可能となる。また、本発明によれば、多彩感などの意匠性に優れた軽量気泡コンクリート構造体、軽量気泡コンクリート構造体の製造方法及び塗装方法を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the coating material for lightweight lightweight cellular concrete excellent in the concealment rate by two application processes. Further, according to the present invention, it is possible to sufficiently impart design properties to lightweight cellular concrete in two coating steps, and to provide a lightweight cellular concrete paint excellent in concealment rate. Moreover, according to the present invention, it is possible to provide a lightweight cellular concrete structure excellent in designability such as multi-colored feeling, a method of manufacturing the lightweight cellular concrete structure, and a coating method.
以下、本発明を実施するための形態（以下、「本実施形態」という。）について詳細に説明する。なお、本発明は、以下の実施の形態に限定されるものではなく、その要旨の範囲内で種々変形して実施できる。 Hereinafter, modes for carrying out the present invention (hereinafter, referred to as “the present embodiment”) will be described in detail. The present invention is not limited to the following embodiments, and various modifications can be made within the scope of the present invention.
（軽量気泡コンクリート構造体）
図１は、本実施形態の軽量気泡コンクリート構造体の層構成を示す説明図である。また、図２は本実施形態の軽量気泡コンクリート構造体１０の断面図である。
(Lightweight aerated concrete structure)
FIG. 1 is an explanatory view showing the layer structure of the lightweight cellular concrete structure of the present embodiment. Moreover, FIG. 2 is sectional drawing of the lightweight cellular concrete structure 10 of this embodiment.
図１及び図２に示すように、本実施形態の軽量気泡コンクリート構造体１０は、軽量気泡コンクリート１の一方の表面上に第１の層２が形成されている。また、第１の層２の表面上に第２の層３が形成されている。このように、本実施形態の軽量気泡コンクリート構造体１０は、軽量気泡コンクリート１、第１の層２、及び第２の層３の３層構造である。 As shown in FIGS. 1 and 2, in the lightweight cellular concrete structure 10 of the present embodiment, the first layer 2 is formed on one surface of the lightweight cellular concrete 1. In addition, the second layer 3 is formed on the surface of the first layer 2. As described above, the lightweight cellular concrete structure 10 of the present embodiment has a three-layer structure of the lightweight cellular concrete 1, the first layer 2, and the second layer 3.
軽量気泡コンクリート１は、内部に気泡と細孔を含む軽量気泡コンクリートであれば特に制限されるものではない。例えば、珪石や珪砂を主成分とする珪酸質原料及び石灰質原料に、水、発泡剤を添加したスラリーを発泡及び半硬化させ、得られる半硬化体をオートクレーブなどにて高温高圧水蒸気養生を行うことによって、軽量気泡コンクリート１を得ることができる。 The lightweight cellular concrete 1 is not particularly limited as long as it is a lightweight cellular concrete including cells and pores inside. For example, a slurry obtained by adding a foaming agent to water and a siliceous raw material containing silica stone or silica sand as a main component is foamed and semi-hardened, and the obtained semi-hardened body is subjected to high temperature high pressure steam curing in an autoclave or the like. Thus, lightweight cellular concrete 1 can be obtained.
本実施形態において、軽量気泡コンクリート１は、軽量気泡コンクリートパネルであることが好ましい。 In the present embodiment, the lightweight cellular concrete 1 is preferably a lightweight cellular concrete panel.
第１の層２は、第１の塗料を軽量気泡コンクリート１の表面上に塗布することによって形成された層である。ここで、軽量気泡コンクリート１の表面上には気泡や細孔が含まれる場合がある。このため、第１の塗料が軽量気泡コンクリート１の気泡や細孔に浸入し、乾燥、硬化することによって、第１の層２の一部を形成していてもよい。これにより、第１の層２は、軽量気泡コンクリート１の表面上の気泡や細孔を隠蔽しやすくなる。また、軽量気泡コンクリート構造体１０の防水性も向上しやすくなる。 The first layer 2 is a layer formed by applying the first paint on the surface of the lightweight cellular concrete 1. Here, air bubbles and pores may be included on the surface of the lightweight cellular concrete 1. For this reason, the first paint may enter the air bubbles or pores of the lightweight cellular concrete 1 to form a part of the first layer 2 by drying and hardening. As a result, the first layer 2 can easily conceal air bubbles and pores on the surface of the lightweight cellular concrete 1. In addition, the waterproofness of the lightweight cellular concrete structure 10 can be easily improved.
第１の層２は、厚みが２００〜１０００μｍであることが好ましく、２００〜６００μｍであることがより好ましく、３００〜４００μｍであることがさらに好ましい。 The thickness of the first layer 2 is preferably 200 to 1000 μm, more preferably 200 to 600 μm, and still more preferably 300 to 400 μm.
第２の層３は、第２の塗料を第１の層２の表面上に塗布することによって形成された層である。第２の層３の形成により、第１の層２を隠蔽しやすくなる。また、第２の塗料には多彩模様塗料が含まれることから、第２の層３の形成により多彩感等の意匠性に優れた軽量気泡コンクリート構造体１０となる（図３参照）。さらに、第２の層３の形成により、軽量気泡コンクリート構造体１０の防水性も向上しやすくなる。 The second layer 3 is a layer formed by applying a second paint on the surface of the first layer 2. The formation of the second layer 3 makes it easy to conceal the first layer 2. Further, since the second paint contains a multi-colored paint, the formation of the second layer 3 results in a lightweight cellular concrete structure 10 having excellent designability such as multi-feel (see FIG. 3). Furthermore, by the formation of the second layer 3, the waterproofness of the lightweight cellular concrete structure 10 can be easily improved.
第２の層３は、厚みが３０〜４００μｍであることが好ましく、３０〜２００μｍであることがより好ましく、４０〜１００μｍであることがさらに好ましい。 The thickness of the second layer 3 is preferably 30 to 400 μm, more preferably 30 to 200 μm, and still more preferably 40 to 100 μm.
（軽量気泡コンクリート用塗料）
本実施形態において、第１の塗料及び第２の塗料は、軽量気泡コンクリート用塗料を構成する塗料である。本実施形態の軽量気泡コンクリート用塗料は、まず第１の塗料が使用され、その後に第２の塗料が使用されることによって軽量気泡コンクリートを塗装することができる塗料であり、第１の塗料及び第２の塗料が一体的に用いられるものである。
(Lightweight aerated concrete paint)
In the present embodiment, the first paint and the second paint are paints constituting the paint for lightweight cellular concrete. The paint for lightweight cellular concrete according to the present embodiment is a paint that can be coated with lightweight cellular concrete by using the first paint first and then using the second paint. The second paint is integrally used.
第１の塗料は、下地塗料を含む塗料であれば特に制限なく用いることができる。ここで、下地塗料としては、例えば合成樹脂エマルジョン系下地調整材、セメント系下地調整材、カチオン系下地調整材などを用いることができる。 The first paint can be used without particular limitation as long as it is a paint containing a base paint. Here, as the undercoating material, for example, a synthetic resin emulsion-based undercoating agent, a cement-based undercoating agent, a cationic undercoating agent, etc. can be used.
第１の塗料において、体質顔料の含有率が３０質量％を超えて７０質量％未満であることが好ましい。体質顔料の含有率が３０質量％を超えて７０質量％未満であることによって、軽量気泡コンクリート表面の細孔などを隠蔽しやすくなる。 In the first paint, the content of the extender pigment is preferably more than 30% by mass and less than 70% by mass. When the content of the extender pigment is more than 30% by mass and less than 70% by mass, it is easy to conceal pores and the like on the surface of the lightweight cellular concrete.
本実施形態において、体質顔料としては、炭酸カルシウム、カオリン、クレー、タルク等が例示される。体質顔料の含有率は、３５〜６５質量％であることがより好ましく、３５〜６０質量％であることがさらに好ましく、４０〜６０質量％であることが特に好ましい。 In the present embodiment, examples of the extender pigment include calcium carbonate, kaolin, clay, talc and the like. The content of the extender pigment is more preferably 35 to 65% by mass, further preferably 35 to 60% by mass, and particularly preferably 40 to 60% by mass.
第１の塗料において、着色顔料の含有率が０．１質量％以上１５質量％未満であることが好ましい。着色顔料の含有率が０．１質量％以上１５質量％未満であることによって、第２の塗料と一体感のある着色性を持たせやすくなり、第２の塗料の透けを防止しやすくなる。第１の塗料において、着色顔料の含有率が１５質量％以上であることにより、第１の塗料における体質顔料の含有量が少なくなり、鮫肌隠蔽性が悪く、第２の塗料と一体感を持ちにくくなる。また、第１の塗料において、着色顔料の含有率が０．１質量％未満であることにより、第１の塗料の透けが高くなり、シーリング目地の隠蔽が悪くなり、第２の塗料と一体感を持ちにくくなる。 In the first paint, the content of the color pigment is preferably 0.1% by mass or more and less than 15% by mass. When the content of the color pigment is 0.1% by mass or more and less than 15% by mass, it becomes easy to give coloring property having a sense of unity with the second paint, and it becomes easy to prevent the second paint from being transparent. In the first paint, when the content of the color pigment is 15% by mass or more, the content of the extender pigment in the first paint is reduced, the hide-masking property is poor, and the unity with the second paint is obtained. It becomes difficult. Moreover, in the first paint, when the content of the color pigment is less than 0.1% by mass, the transparency of the first paint becomes high, the concealment of the sealing joint becomes worse, and a sense of unity with the second paint It becomes difficult to hold
本実施形態において、着色顔料としては、二酸化チタン、カーボンブラック、酸化鉄のような無機着色顔料が挙げられる。また、キナクリドン等のキナクリドン系、ピグメントレッド等のアゾ系、フタロシアニンブルー、フタロシアニングリーン等のフタロシアニン系等の有機染料も例示される。着色顔料の含有率は、１質量％以上１５質量％未満であることがより好ましく、３質量％以上１５質量％未満であることがさらに好ましく、３〜１０質量％であることが特に好ましい。 In the present embodiment, examples of the coloring pigment include inorganic coloring pigments such as titanium dioxide, carbon black and iron oxide. Further, quinacridone organic dyes such as quinacridone, azo dyes such as pigment red, phthalocyanine dyes such as phthalocyanine blue and phthalocyanine green, and the like are also exemplified. The content of the color pigment is more preferably 1% by mass to less than 15% by mass, still more preferably 3% by mass to less than 15% by mass, and particularly preferably 3 to 10% by mass.
本実施形態における第２の塗料は、少なくとも２種の着色高分子粒体を含有する塗料であって、隠蔽率が８０％以上の塗料であれば特に制限なく用いることができる。第２の塗料は、多彩模様塗料であることが好ましい。ここで、多彩模様塗料とは、液状又はゲル状の２色以上の色の粒が懸濁した塗料であり、１回の塗装で色散らし模様ができる塗料をいう。第２の塗料の隠蔽率はより好ましくは８５％以上である。なお、本発明では、第２の塗料に含まれる着色高分子粒体は、１種類であってもよい。 The second paint in the present embodiment is a paint containing at least two types of colored polymer particles, and any paint having a hiding rate of 80% or more can be used without particular limitation. The second paint is preferably a multicolored paint. Here, the multicolored paint is a paint in which liquid or gel-like particles of two or more colors are suspended, and refers to a paint that can form a color dispersion pattern in a single painting. The hiding ratio of the second paint is more preferably 85% or more. In the present invention, the colored polymer particles contained in the second paint may be of one type.
本実施形態においては、スプレー、ローラー、刷毛等の各種の塗装法に適する観点から、（Ｉ）水性合成樹脂エマルション、感熱ゲル化剤及び着色剤を含有する感熱ゲル化型エマルション組成物を、当該組成物がゲル化する温度以上の温度を有する水中に滴下してゲル化することにより得ることができる２種以上の着色高分子粒体（ゲル状粒子）、及び（ＩＩ）水性合成樹脂エマルション系クリヤー塗料を含有し、該２種以上の着色粒体の色調が相互に異なっている水性多彩模様塗料組成物を、多彩模様塗料として用いることが好ましい。 In the present embodiment, from the viewpoint of being suitable for various coating methods such as a spray, a roller, and a brush, (I) an aqueous synthetic resin emulsion, a thermally sensitive gelling emulsion composition containing a thermally sensitive gelling agent and a colorant Two or more types of colored polymer particles (gel particles) which can be obtained by dropping and gelling in water having a temperature above the temperature at which the composition gels, and (II) an aqueous synthetic resin emulsion system It is preferable to use, as a multicolored paint, an aqueous multicolored paint composition which contains a clear paint and the color tone of the two or more kinds of colored particles is different from each other.
本実施形態で使用する感熱ゲル化型エマルション組成物は、（ｉ）水性合成樹脂エマルション、（ｉｉ）感熱ゲル化剤及び（ｉｉｉ）着色剤を含有することが好ましい。 The heat-sensitive gelled emulsion composition used in the present embodiment preferably contains (i) an aqueous synthetic resin emulsion, (ii) a heat-sensitive gellant and (iii) a colorant.
水性合成樹脂エマルションとしては、多彩模様塗料の分野で通常用いられているものであれば特に限定されず用いることができるが、建築物内装に用いられているエマルションであって、耐水性、耐アルカリ性及び耐候性に優れ、また、被塗物に対する付着性が良好なものが好ましい。 The aqueous synthetic resin emulsion is not particularly limited as long as it is usually used in the field of multi-colored paint, but it is an emulsion used for building interiors, and is water resistance and alkali resistance And those having excellent weatherability and good adhesion to a substrate are preferable.
かかる水性合成樹脂エマルションとしては、より具体的には、アクリル樹脂エマルション、シリコーン変性アクリル樹脂エマルション等が挙げられる。 More specifically, examples of such aqueous synthetic resin emulsions include acrylic resin emulsions and silicone-modified acrylic resin emulsions.
アクリル樹脂エマルションとしては、例えば、アクリル系モノマー、及び必要に応じてその他のモノマーを、常法に従って乳化重合して得られたエマルションを用いることができる。 As the acrylic resin emulsion, for example, an emulsion obtained by emulsion polymerization of an acrylic monomer and, if necessary, other monomers according to a conventional method can be used.
アクリル系モノマーとしては、ヒドロキシエチル（メタ）アクリレート、ヒドロキシプロピル（メタ）アクリレート、ヒドロキシブチル（メタ）アクリレート等の水酸基含有アクリル系モノマー；アクリル酸、メタクリル酸等のカルボキシル基含有アクリル系モノマー；メタクリル酸メチル、メタクリル酸エチル、メタクリル酸ｎ−ブチル、メタクリル酸イソブチル、メタクリル酸２−エチルヘキシル、メタクリル酸シクロヘキシル、メタクリル酸ラウリル、メタクリル酸ステアリル等のメタクリル酸アルキル又はシクロアルキルエステル類が挙げられる。 As acrylic monomers, hydroxyl group-containing acrylic monomers such as hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate; carboxyl group-containing acrylic monomers such as acrylic acid and methacrylic acid; methacrylic acid Examples thereof include alkyl methacrylates or cycloalkyl esters such as methyl, ethyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, 2-ethylhexyl methacrylate, cyclohexyl methacrylate, lauryl methacrylate and stearyl methacrylate.
アクリル系モノマーと共重合させるその他のモノマーとしては、例えば、スチレン、メチルスチレン、ビニルトルエン等の芳香族ビニルモノマー類等が使用できる。 As another monomer to be copolymerized with the acrylic monomer, for example, aromatic vinyl monomers such as styrene, methylstyrene and vinyltoluene can be used.
シリコーン変性アクリル樹脂エマルションは、例えば、上記したようなアクリル樹脂エマルションに有機シリコーン（例えば、官能基として−ＳｉＯＣＨ３、−ＳｉＯＨを有する有機シリコーン）を添加し、アクリル樹脂と有機シリコーンを常法に従って反応させて得ることができる。 In the silicone-modified acrylic resin emulsion, for example, an organic silicone (for example, an organic silicone having -SiOCH 3 or -SiOH as a functional group) is added to the acrylic resin emulsion as described above, and the acrylic resin and the organic silicone are reacted according to a conventional method You can get it.
水性合成樹脂エマルションとしては、上記のようにして調製したエマルションを用いてもよく、市販の水性合成樹脂エマルションを用いてもよい。 As the aqueous synthetic resin emulsion, an emulsion prepared as described above may be used, or a commercially available aqueous synthetic resin emulsion may be used.
エマルションに含まれる合成樹脂の物性は、特に限定されるものではないが、Ｔｇが−４０〜＋６０℃のもの、特に−３０〜＋５０℃のものを用いるのが好ましい。 The physical properties of the synthetic resin contained in the emulsion are not particularly limited, but those having a Tg of −40 to + 60 ° C., particularly preferably −30 to + 50 ° C. are preferably used.
水性合成樹脂エマルションの固形分濃度は、広い範囲から適宜選択できるが、１０〜６０重量％、特に２０〜５０重量％とするのが好ましい。 The solid content concentration of the aqueous synthetic resin emulsion can be appropriately selected from a wide range, but it is preferably 10 to 60% by weight, particularly preferably 20 to 50% by weight.
また、感熱ゲル化型エマルション組成物中の合成樹脂エマルションの固形分に換算した含有量は、全固形分に対して、５〜４０重量％、特に１０〜３５重量％となるような量が好ましい。 The content of the synthetic resin emulsion in the heat-sensitive gelled emulsion composition in terms of solid content is preferably 5 to 40% by weight, particularly 10 to 35% by weight, based on the total solid content. .
感熱ゲル化型エマルション組成物は、上記したような水性合成樹脂エマルションに、感熱ゲル化剤及び着色剤を混合して調製される。 The heat-sensitive gelled emulsion composition is prepared by mixing the heat-sensitive gellant and the colorant with the above-mentioned aqueous synthetic resin emulsion.
感熱ゲル化剤は、室温を超える温度、好ましくは４０℃以上、より好ましくは６０℃以上、さらに好ましくは７０℃以上で上記感熱ゲル化型エマルション組成物をゲル化させ、得られたゲルが室温に下がってもゲル状態を保つようなものであれば特に限定されず、有機系のもの及び無機系のものがいずれも使用できる。 The heat-sensitive gelling agent causes the heat-sensitive gelled emulsion composition to gel at a temperature above room temperature, preferably 40 ° C. or more, more preferably 60 ° C. or more, still more preferably 70 ° C. or more. The material is not particularly limited as long as it maintains the gel state even if it falls below, and both organic and inorganic ones can be used.
有機感熱ゲル化剤として、例えばでんぷん及びその誘導体、ノニオン界面活性剤系である、オルガノポリシロキサンのアルキレンオキシド付加物、オルガノポリシロキサンのアルキルフェノールホルマリン縮合物、アルキルフェノール−ホルマリン縮合物のアルキレンオキサイド付加物、ポリビニルメチルエーテル、オルガノポリシロキサンポリエーテル共重合体等を挙げることができ、これらの１種を単独で又は２種以上を組み合わせて用いることができる。ノニオン界面活性剤としては、曇点が３０〜８０℃のものが好ましく用いられる。 Examples of organic heat-sensitive gelling agents include starch and derivatives thereof, nonionic surfactant systems, alkylene oxide adducts of organopolysiloxanes, alkylphenol formalin condensates of organopolysiloxanes, alkylene oxide adducts of alkylphenol-formalin condensates, A polyvinyl methyl ether, an organopolysiloxane polyether copolymer, etc. can be mentioned, These 1 type can be used individually or in combination of 2 or more types. As the nonionic surfactant, one having a cloud point of 30 to 80 ° C. is preferably used.
有機系の感熱ゲル化剤は、水との混合物として使用することもでき、その際の混合物中の感熱ゲル化剤の濃度は１０〜１００重量％が好ましく、４０〜１００重量％がより好ましい。 The organic thermosensitive gelling agent can also be used as a mixture with water, and the concentration of the thermosensitive gelling agent in the mixture at that time is preferably 10 to 100% by weight, and more preferably 40 to 100% by weight.
一方、無機感熱ゲル化剤としては、例えば亜鉛化合物をアンモニア水に溶解させた溶液（以下、「亜鉛化合物のアンモニア水溶液」という場合がある。）、硝酸アンモニウム、塩化アンモニウム、炭酸ナトリウム、炭酸カリウム、硫酸ナトリウム、塩化カリウム、塩化カルシウム、硫酸カルシウム、硫酸マグネシウム、亜鉛アンモニウム錯塩、硝酸ナトリウム、硝酸鉛、酢酸ソーダ等が挙げられ、これらの１種を単独で又は２種以上を組み合わせて用いることができる。 On the other hand, as the inorganic thermosensitive gelling agent, for example, a solution in which a zinc compound is dissolved in aqueous ammonia (hereinafter sometimes referred to as "ammonia aqueous solution of zinc compound"), ammonium nitrate, ammonium chloride, sodium carbonate, sodium carbonate, potassium carbonate, sulfuric acid Sodium, potassium chloride, calcium chloride, calcium sulfate, magnesium sulfate, zinc ammonium complex salt, sodium nitrate, lead nitrate, sodium acetate and the like can be mentioned, and one of these can be used alone, or two or more can be used in combination.
亜鉛化合物の具体例としては、水酸化亜鉛等が挙げられる。 Zinc hydroxide etc. are mentioned as a specific example of a zinc compound.
亜鉛化合物をアンモニア水に溶解させた溶液における亜鉛化合物の濃度は、特に限定されるものではなく、５〜１５重量％、特に２〜１０重量％が好ましい。亜鉛化合物を溶解させるためのアンモニア水の濃度についても特に限定されるものではなく、５〜１０重量％が好ましい。 The concentration of the zinc compound in the solution in which the zinc compound is dissolved in aqueous ammonia is not particularly limited, and is preferably 5 to 15% by weight, particularly preferably 2 to 10% by weight. The concentration of aqueous ammonia for dissolving the zinc compound is not particularly limited either, and is preferably 5 to 10% by weight.
これらの中でも、本実施形態で用いる感熱ゲル化剤として、オルガノポリシロキサンのアルキレンオキシド付加物，オルガノポリシロキサンのアルキルフェノールホルマリン縮合物，オルガノポリシロキサンポリエーテル共重合体等のオルガノポリシロキサン及び亜鉛化合物のアンモニア水溶液が好ましい。 Among these, as thermal gelation agents used in this embodiment, alkylene oxide adducts of organopolysiloxanes, alkylphenol formalin condensates of organopolysiloxanes, organopolysiloxanes such as organopolysiloxane polyether copolymers, and zinc compounds An aqueous ammonia solution is preferred.
得られる着色高分子粒体の硬さは感熱ゲル化型エマルション組成物中の感熱ゲル化剤の配合量に比例するので、該配合量は所望するゲル化の程度に応じて適宜設定することができる。感熱ゲル化剤の配合量（有機系感熱ゲル化剤は水との混合物の配合量、亜鉛化合物のアンモニア水溶液を用いる場合は該水溶液の配合量）は、通常、水性合成樹脂エマルション１００重量部に対して、２０〜４０重量部である。 The hardness of the resulting colored polymer particles is proportional to the amount of the heat-sensitive gelling agent in the heat-sensitive gelled emulsion composition, so the amount may be set appropriately according to the desired degree of gelation. it can. The blending amount of the thermosensitive gelling agent (organic thermosensitive gelling agent is the blending amount of the mixture with water, the blending amount of the aqueous solution when using an aqueous solution of a zinc compound) usually 100 parts by weight of the aqueous synthetic resin emulsion On the other hand, it is 20 to 40 parts by weight.
着色剤としては、多彩模様塗料の分野で一般に用いられているものを使用することができる。 As a coloring agent, what is generally used in the field of multicolored paint can be used.
例えば、二酸化チタン、カーボンブラック、酸化鉄のような無機着色顔料が挙げられる。 For example, inorganic colored pigments such as titanium dioxide, carbon black and iron oxide can be mentioned.
また、キナクリドン等のキナクリドン系、ピグメントレッド等のアゾ系、フタロシアニンブルー、フタロシアニングリーン等のフタロシアニン系等の有機染料も例示される。 Further, quinacridone organic dyes such as quinacridone, azo dyes such as pigment red, phthalocyanine dyes such as phthalocyanine blue and phthalocyanine green, and the like are also exemplified.
本実施形態においては、着色剤としては、耐候性の点から無機顔料を用いるのが好ましい。着色剤の配合量は、特に限定されるものではないが、水性合成樹脂エマルション１００重量部に対して、通常１〜５重量部、好ましくは２〜４重量部である。 In the present embodiment, it is preferable to use an inorganic pigment as the colorant from the viewpoint of weather resistance. The blending amount of the coloring agent is not particularly limited, but is usually 1 to 5 parts by weight, preferably 2 to 4 parts by weight with respect to 100 parts by weight of the aqueous synthetic resin emulsion.
感熱ゲル化型エマルション組成物には、上記した成分の他に、体質顔料、分散剤、増粘剤、消泡剤等のような添加剤を必要に応じて適宜配合することができる。 In addition to the components described above, additives such as an extender, a dispersant, a thickener, an antifoaming agent, and the like can be appropriately added to the heat-sensitive gelled emulsion composition as needed.
体質顔料としては、炭酸カルシウム、カオリン、クレー、タルク等が例示される。分散剤としては、スルホン酸塩、リン酸塩、ケイ酸塩、ポリオキシエチレンアルキルエーテル等が例示される。増粘剤としては、メチルセルロース、ヒドロキシエチルセルロース、カルボキシメチルセルロース、ポリビニルアルコール等が例示される。消泡剤としては、シリコーン系、鉱物油系の消泡剤が例示される。 Examples of extender pigments include calcium carbonate, kaolin, clay, talc and the like. Examples of the dispersant include sulfonates, phosphates, silicates, polyoxyethylene alkyl ethers and the like. Examples of the thickener include methyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, polyvinyl alcohol and the like. As an antifoamer, a silicone type and a mineral oil type antifoamer are illustrated.
これら添加剤の配合量は、特に限定されるものではなく添加剤の種類に応じて適宜設定することができるが、例えば、水性合成樹脂エマルション１００重量部に対して１〜１０重量部、好ましくは２〜７重量部である。 The compounding amount of these additives is not particularly limited and can be appropriately set according to the type of the additive. For example, 1 to 10 parts by weight, preferably 100 parts by weight of the aqueous synthetic resin emulsion is preferable. 2 to 7 parts by weight.
感熱ゲル化型エマルション組成物には、さらに、粘度及び固形分濃度調整のために水を加えてもよい。 Water may be further added to the heat-sensitive gelled emulsion composition for viscosity and solid content concentration adjustment.
本実施形態で用いる感熱ゲル化型エマルション組成物は、水性合成樹脂エマルションに、上記したような感熱ゲル化剤と着色剤、さらに必要に応じて上記したような添加剤を混合して調製される。かくして得られる感熱ゲル化型エマルション組成物は、固形分濃度が１０〜４０重量％であることがより好ましい。 The heat-sensitive gelation type emulsion composition used in the present embodiment is prepared by mixing the above-mentioned heat-sensitive gelation agent and colorant as described above, and the above-mentioned additives as required. . The heat-sensitive gelled emulsion composition thus obtained preferably has a solid content concentration of 10 to 40% by weight.
本実施形態の着色高分子粒体は、上記のようにして調製した感熱ゲル化型エマルション組成物を、当該組成物がゲル化する温度以上の温度を有する水中に滴下してゲル化することにより得ることができる。滴下は撹拌下に行うのが好ましい。 The colored polymer particles of the present embodiment are gelled by dropping the heat-sensitive gelled emulsion composition prepared as described above into water having a temperature higher than the temperature at which the composition gels. You can get it. The dropwise addition is preferably carried out with stirring.
水はそのまま用いてもよいし、上記に例示したような消泡剤、分散剤、増粘剤やその他の添加剤（例えば、増膜助剤等）が含まれていてもよい。以下の記載において、水そのもの又は添加剤を配合した水を“水性媒体”という。 Water may be used as it is, or may contain an antifoamer, dispersant, thickener, and other additives (for example, a film-forming aid etc.) as exemplified above. In the following description, water itself or water containing additives is referred to as "aqueous medium".
水性媒体は、上記感熱ゲル化型エマルション組成物が感熱ゲル化剤によってゲル化するような温度、通常４０℃以上、好ましくは６０℃以上、より好ましくは７０℃以上に加熱しておく。温度の上限は特に限定されるものではないが、水性媒体が沸騰しない程度の温度、例えば水そのものの場合は９８℃以下が望ましい。 The aqueous medium is heated to a temperature at which the heat-sensitive gelled emulsion composition is gelled by the heat-sensitive gelling agent, usually 40 ° C. or more, preferably 60 ° C. or more, more preferably 70 ° C. or more. The upper limit of the temperature is not particularly limited, but a temperature at which the aqueous medium does not boil, for example, 98 ° C. or less in the case of water itself is desirable.
感熱ゲル化型エマルション組成物（Ｃ）と水性媒体（Ｍ）の割合は、特に限定されるものではなく適宜設定することができるが、重量比で（Ｃ）：（Ｍ）＝１：１〜１：１０、特に１：１．５〜１：７が好ましい。 The ratio of the heat-sensitive gelled emulsion composition (C) to the aqueous medium (M) is not particularly limited and can be set appropriately, but the weight ratio (C): (M) = 1: 1 to 1 Preference is given to 1:10, in particular 1: 1.5 to 1: 7.
感熱ゲル化型エマルション組成物の滴下速度は、所望の着色高分子粒体の大きさ等に応じて適宜設定することができ、水性媒体の温度が著しく下がらない程度、即ち、設定したゲル化温度以下にならないような速度であればよい。 The dropping speed of the heat-sensitive gelled emulsion composition can be appropriately set according to the desired size of the colored polymer particles and the like, to the extent that the temperature of the aqueous medium does not significantly decrease, that is, the set gelation temperature It is sufficient if the speed does not become lower.
本方法によれば、着色高分子粒体の形状が自由に制御できる。例えば、感熱ゲル化型エマルション組成物の粘度を高くすると、球状の粒体が得られる。 According to this method, the shape of the colored polymer particles can be freely controlled. For example, when the viscosity of the heat-sensitive gelled emulsion composition is increased, spherical particles are obtained.
感熱ゲル化型エマルション組成物を板の上をはわせるように流し、水面に広げるように滴下すると、円板状にゲル化する。本実施形態の着色高分子粒体には、かかる円板状のものも含まれる。 When the heat-sensitive gelled emulsion composition is poured on a plate and dropped so as to spread on the water surface, it gels in a disc shape. Such disc-like particles are also included in the colored polymer particles of the present embodiment.
水性媒体の撹拌速度も、所望のゲル化粒体の大きさ等に応じて適宜設定することができるが、通常、撹拌器の回転速度として、１００〜１０００ｒｐｍである。撹拌を激しくすれば得られる着色高分子粒体は小さくなり、逆に撹拌を緩やかにすれば得られる着色高分子粒体は大きくなる。従って、所望の形状や大きさに応じて、滴下方法及び撹拌速度を調整すればよい。 The stirring speed of the aqueous medium can also be appropriately set depending on the desired size and the like of the gelled granules, but it is usually 100 to 1000 rpm as the rotation speed of the stirrer. If the stirring is vigorously performed, the obtained colored polymer particles become smaller, and conversely, if the stirring is made gentle, the obtained colored polymer particles become larger. Therefore, the dropping method and the stirring speed may be adjusted according to the desired shape and size.
滴下後、水性媒体中での滞留時間は、所望の粒体が得られる限り特に限定されるものではないが、通常、２０〜９０分間、好ましくは４０〜７０分間である。 After the dropping, the residence time in the aqueous medium is not particularly limited as long as the desired granules can be obtained, but it is usually 20 to 90 minutes, preferably 40 to 70 minutes.
また、感熱ゲル化型エマルション組成物の全量の滴下完了後、滴下時の温度を維持したまま、５〜３０分間、好ましくは１０〜２０分間撹拌を持続してもよい。 In addition, after completion of dropping of the entire amount of the heat sensitive gelled emulsion composition, stirring may be continued for 5 to 30 minutes, preferably 10 to 20 minutes while maintaining the temperature at the time of dropping.
かくして感熱ゲル化剤により前記水性合成樹脂エマルション中の樹脂がゲル化すると共に、着色剤がゲル中に均一分散された着色高分子粒体が得られる。 Thus, the resin in the aqueous synthetic resin emulsion is gelled by the heat sensitive gelling agent, and colored polymer particles in which the colorant is uniformly dispersed in the gel are obtained.
着色高分子粒体は、常法に従って濾過して回収することができる。また、回収する際に、所定の範囲外の粒径のものを除外してもよい。 The colored polymer particles can be recovered by filtration according to a conventional method. In addition, when recovering, those having a particle diameter outside the predetermined range may be excluded.
例えば、最初に大きめの穴のあいた網で濾過して大きな粒体を取り除き、次に濾液の上澄み液を取り除き固形分１５％の粒体溶液を得て、最後に小さめの穴のあいた網で濾過を行って網上に最終目的物の粒体を得ることができる。 For example, first filter through a large-pored mesh to remove large particles, then remove the supernatant of the filtrate to obtain a solid solution of 15% solids, and finally filter with a small-pored mesh. To obtain granules of the final product on the net.
着色高分子粒体の不揮発分は、１５〜４０重量％、特に２０〜３５重量％であることが好ましい。 The nonvolatile content of the colored polymer particles is preferably 15 to 40% by weight, particularly 20 to 35% by weight.
本実施形態の少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体とを含んでいる。第１の着色高分子粒体の粒径は、１ｍｍ以上４ｍｍ未満であることが好ましく、１．５ｍｍ以上４ｍｍ未満であることがより好ましく、２ｍｍ以上４ｍｍ未満であることがさらに好ましい。第２の着色高分子粒体の粒径は、４ｍｍ以上８ｍｍ以下であることが好ましく、４ｍｍ以上７ｍｍ以下であることがより好ましく、４ｍｍ以上６ｍｍ以下であることがさらに好ましい。第２の塗料において、少なくとも２種の着色高分子粒体の含有率は、６０質量％を超え８０質量％以内であることが好ましい。少なくとも２種の着色高分子粒体の含有率は、６５質量％以上８０質量％以内であることがより好ましく、７０質量％以上８０質量％以上であることがさらに好ましい。この場合、第２の塗料による隠蔽率が８０％以上を維持できる。少なくとも２種の着色高分子粒体の含有率が８０質量％を超える場合、当該着色高分子粒体が塗料に十分に分散せずに、第２の塗料による隠蔽率が８０％以上を維持できなくなる。第２の塗料において、第１の着色高分子粒体の含有率は５０質量％以上７０質量％以内であり、第２の着色高分子粒体の含有率は１０質量％以上３０質量％以内であることが好ましい。第１の着色高分子粒体と、第２の着色高分子粒体とは、互いに異なった色が付されていてもよい。また、第１の着色高分子粒体と、第２の着色高分子粒体との少なくとも一方は、複数に着色されていてもよい。すなわち、第１の着色高分子粒体と、第２の着色高分子粒体との少なくとも一方には、２色以上の色の粒が含まれていてもよい。これらの場合、第２の塗料は多彩模様塗料となり、当該第２の塗料が塗布された軽量気泡コンクリート等の意匠性が向上する。なお、本発明においては、第２の塗料に第２の着色高分子粒体が含まれなくてもよい。この場合であっても、第２の塗料の隠蔽率が８０％以上になり得る。この第１の着色高分子粒体は、単色の粒体から構成されてもよいし、複数色の粒体から構成されてもよい。 At least two types of colored polymer particles of the present embodiment include a first colored polymer particle having a particle size of less than 4 mm and a second colored polymer particle having a particle size of 4 mm or more. . The particle diameter of the first colored polymer particles is preferably 1 mm or more and less than 4 mm, more preferably 1.5 mm or more and less than 4 mm, and still more preferably 2 mm or more and less than 4 mm. The particle diameter of the second colored polymer particles is preferably 4 mm or more and 8 mm or less, more preferably 4 mm or more and 7 mm or less, and still more preferably 4 mm or more and 6 mm or less. In the second paint, the content of at least two types of colored polymer particles is preferably more than 60% by mass and within 80% by mass. The content of at least two types of colored polymer particles is more preferably 65% by mass or more and 80% by mass or less, and still more preferably 70% by mass or more and 80% by mass or more. In this case, the concealment rate by the second paint can be maintained at 80% or more. When the content of the at least two types of colored polymer particles exceeds 80% by mass, the second polymer can maintain the hiding ratio of 80% or more without sufficiently dispersing the colored polymer particles in the paint. It disappears. In the second paint, the content of the first colored polymer particles is 50% by mass to 70% by mass, and the content of the second colored polymer particles is 10% by mass to 30% by mass. Is preferred. The first colored polymer particles and the second colored polymer particles may have different colors. In addition, at least one of the first colored polymer particles and the second colored polymer particles may be colored in a plurality. That is, particles of two or more colors may be included in at least one of the first colored polymer particles and the second colored polymer particles. In these cases, the second paint is a multi-colored paint, and the design of lightweight cellular concrete or the like to which the second paint is applied is improved. In the present invention, the second paint may not contain the second colored polymer particles. Even in this case, the hiding ratio of the second paint can be 80% or more. The first colored polymer particles may be composed of single-color particles or may be composed of particles of a plurality of colors.
粒体の厚さ及び外径は、無作為に選んだ粒体を顕微鏡などで観察して求めることができる。例えば、得られた粒体を水性合成樹脂エマルション系クリヤー塗料と１：１０（重量）の割合で混合し、約１０ｃｍ２のＡＢＳ板に流し塗りをし、乾燥後、顕微鏡にて外径を観測し、求めることができる。粒体の厚さは、例えば、前記塗膜を切断し、切断面を顕微鏡にて観察して粒体の厚さを観測することにより求めることができる。ここで“外径”とは、真円形であれば直径を、楕円形であれば長径を、不定形であれば最も長い径を意味する。 The thickness and outer diameter of the particles can be determined by observing particles selected at random with a microscope or the like. For example, the obtained granules are mixed with an aqueous synthetic resin emulsion clear paint in a ratio of 1:10 (by weight), flow-coated on an ABS plate of about 10 cm 2 , and after drying, the outer diameter is observed with a microscope You can ask for it. The thickness of the particles can be determined, for example, by cutting the coating film and observing the cut surface with a microscope to observe the thickness of the particles. Here, the “outer diameter” means the diameter in the case of a perfect circle, the long diameter in the case of an elliptical shape, and the longest diameter in the case of an irregular shape.
ゲルの硬度は、広い範囲で自由に調整することができ、使用目的に応じて、ゲル化剤の種類や使用量を調整し、最適な硬さを得ることができる。 The hardness of the gel can be freely adjusted in a wide range, and depending on the purpose of use, the type and amount of the gelling agent can be adjusted to obtain an optimum hardness.
例えば、ゲルの硬さとしては、ミキサーなどの機械的撹拌では粉砕しないような柔らかさ；刷毛又はローラーでの塗装の際に粒子の変形が少ない、即ち刷毛又はローラー塗りにおける一方向的な粒子の変形がない柔らかさ；スプレーガンの口径に引っかからない程度の柔らかさ；得られる塗装面のざらつきがない程度の柔らかさ；というような条件を満たすような程度であることが好ましい。 For example, the hardness of the gel is such softness that the mechanical stirring such as a mixer does not crush it; deformation of the particles is small during coating with a brush or a roller, ie unidirectional particles in the brush or roller coating It is preferable to satisfy the following conditions: softness without deformation; softness to the extent that the spray gun does not get scratched; softness to the extent that the resulting coated surface does not have roughness.
かくして得られた着色高分子粒体であって、相互に色調の異なるものの２種以上を、水性合成樹脂エマルション系クリヤー塗料に配合し、本実施形態の水性多彩模様塗料組成物を得ることができる。 The colored polymer particles thus obtained, which are different in color tone from one another, can be compounded into the aqueous synthetic resin emulsion-based clear paint to obtain the aqueous colorful pattern paint composition of the present embodiment. .
ゲル状の着色高分子流体の組成や製造方法については、上記に限定されず、種々の公知技術によって得られたものであってもよい。 The composition and production method of the gel-like colored polymer fluid are not limited to the above, and may be obtained by various known techniques.
この場合、透明のクリヤー塗料だけでなく色の付いたカラークリヤー塗料（例えば、着色顔料、アルミフレーク、パール顔料を含むクリヤー塗料）に着色高分子粒体を配合してもよい。 In this case, the colored polymer particles may be blended not only with a clear clear paint but also with a colored clear paint (for example, a clear paint containing colored pigments, aluminum flakes, and pearl pigments).
水性合成樹脂エマルション系クリヤー塗料としては、多彩模様塗料の分野で着色剤を配合するために通常用いられているようなクリヤー塗料を用いることができる。 As the aqueous synthetic resin emulsion-based clear paint, a clear paint as commonly used for blending a coloring agent in the field of multi-colored paint can be used.
例えば、上記した感熱ゲル化型エマルション組成物を調製するために用いられる水性合成樹脂エマルション、即ち、アクリル樹脂エマルション、シリコーン変性アクリル樹脂エマルション等を含むクリヤー塗料、その他にも、酢酸ビニル樹脂エマルション、ウレタン樹脂エマルション、アルキド樹脂エマルションを含むクリヤー塗料を用いることができる。 For example, an aqueous synthetic resin emulsion used to prepare the above-mentioned heat-sensitive gelled emulsion composition, that is, a clear paint containing an acrylic resin emulsion, a silicone-modified acrylic resin emulsion, etc., vinyl acetate resin emulsion, urethane Clear paints including resin emulsions and alkyd resin emulsions can be used.
該クリヤー塗料は常法に従って製造してもよいし、市販のものを使用してもよい。 The clear paint may be produced according to a conventional method, or a commercially available one may be used.
着色高分子粒体の配合量は適宜設定することができるが、多彩模様塗料組成物の全量に基づいて、１〜５０重量％、好ましくは５〜４５重量％とするのが好ましい。配合量が上記上限値以下であると十分なクリヤー塗膜が形成されやすく、また、配合量が上記下限値以上であると特に優れた多彩感の意匠の塗膜が得られるので好ましい。 The compounding amount of the colored polymer particles can be set as appropriate, but it is preferably 1 to 50% by weight, preferably 5 to 45% by weight, based on the total amount of the multicolor pattern coating composition. If the compounding amount is less than the above upper limit value, a sufficient clear coating film is easily formed, and if the compounding amount is more than the above lower limit value, a coating film having a particularly excellent design with a colorful feeling is obtained.
本実施形態の水性多彩模様塗料組成物は、通常の塗装法、例えば、刷毛、ローラー、スプレーガン塗装等により塗装することができる。 The water-based colorful pattern paint composition of the present embodiment can be coated by a common coating method such as brush, roller, spray gun coating and the like.
本実施形態の水性多彩模様塗料組成物は、有機溶媒を用いていないため、塗装時の臭気もなく、溶媒による大気汚染のおそれもない。また、本実施形態の組成物は水性であるが、塗装後、短時間で乾燥できる。さらに、本実施形態の多彩模様塗料組成物によれば、刷毛、ローラー、スプレーガン塗装のいずれの塗装法でも、１回の塗装により塗膜が平滑で良好な外観の色散らし模様が得られる。感熱ゲル化剤を用いて得られた高分子着色粒体を多彩模様塗料組成物に配合すると、ミキサーなどの機械的撹拌では着色高分子粒体が粉砕せず、機械的撹拌に対する安定性が優れている。また、該多彩模様塗料組成物は刷毛又はローラー塗りにおける一方向的な粒子の変形がなく、仕上がり外観に優れている。 Since the water-based colorful pattern paint composition of the present embodiment does not use an organic solvent, there is no odor at the time of coating, and there is no risk of air pollution by the solvent. Although the composition of the present embodiment is aqueous, it can be dried in a short time after coating. Furthermore, according to the multi-colored paint composition of the present embodiment, a color dispersion pattern having a smooth coating and a good appearance can be obtained by one coating, regardless of the brush, roller, or spray gun coating method. When polymer colored particles obtained using a heat-sensitive gelling agent are blended into a multi-pattern paint composition, the colored polymer particles are not crushed by mechanical stirring such as a mixer, and the stability to mechanical stirring is excellent. ing. In addition, the multi-colored paint composition does not have unidirectional deformation of particles in brushing or roller coating, and is excellent in finished appearance.
（軽量気泡コンクリート構造体の製造方法）
本実施形態の軽量気泡コンクリート構造体の製造方法は、軽量気泡コンクリートの表面上に、第１の塗料を塗布し、第１の層を形成する第１の工程と、第１の層の表面上に、第２の塗料を塗布し、第２の層を形成する第２の工程と、を備える。
(Method of manufacturing lightweight cellular concrete structure)
In the method of manufacturing a lightweight cellular concrete structure according to the present embodiment, a first coating is applied on the surface of the lightweight cellular concrete to form a first layer, and a surface of the first layer is formed. And a second step of applying a second paint to form a second layer.
本実施形態の製造方法において、第１の塗料及び第２の塗料は、刷毛、ローラー、スプレーガン塗装等の通常の方法により、塗布することができる。 In the manufacturing method of the present embodiment, the first paint and the second paint can be applied by a usual method such as brush, roller, spray gun coating and the like.
第１の工程においては、軽量気泡コンクリートの表面上の気泡やザラ目、細孔等を重点するために、例えば、下塗塗料を含む第１の塗料を所要量（例えば０．９〜１．１ｋｇ／ｍ２）、万能ガンで吹き付け、防水性と仕上げの良好な状態を確保することが好ましい。 In the first step, the amount of the first paint containing, for example, the undercoat is required (for example, 0.9 to 1.1 kg) in order to emphasize air bubbles, graininess, pores and the like on the surface of lightweight cellular concrete. / M 2 ), it is preferable to spray with an all-purpose gun to ensure good waterproofness and finish.
さらに、第１の工程においては上記吹き付け後、例えば５分以内に、ローラーや補助的に刷毛を用いて塗装面全体のしごき塗装（吹付だけでは十分でないザラ目や気泡を埋めると同時に余分な塗料をかきとる作業）を行うことが好ましい。 Furthermore, in the first step, after the above spraying, for example, within 5 minutes, using a roller or a brush to brush the entire coated surface (coating is not sufficient by spraying alone, and excess paint is filled at the same time It is preferable to carry out the operation of scraping).
第２の工程においては、上記第１の工程後に第１の塗料が乾燥し形成された第１の層の乾燥状態を確認することが好ましい。具体的には、第１の層の塗膜に指で触れて、ずれないかを確認すればよい。 In the second step, it is preferable to confirm the dry state of the first layer formed by drying the first paint after the first step. Specifically, the coating film of the first layer may be touched with a finger to confirm whether or not the film is shifted.
次に、第２の工程においては、第１の層の表面上に第２の塗料を塗布し、第２の層を形成する。例えば、多彩模様塗料を含む第２の塗料を所要量（例えば０．３５〜０．４５ｋｇ／ｍ２）、万能ガンで塗付量が均一になるように吹き付けることが好ましい。これにより、第２の層として、装飾性の高い壁面意匠を第１の層上に形成することができる。 Next, in a second step, a second paint is applied on the surface of the first layer to form a second layer. For example, it is preferable to spray a second paint containing a multi-colored paint so that the required amount (for example, 0.35 to 0.45 kg / m 2 ) and the application amount become uniform with a universal gun. Thereby, a highly decorative wall surface design can be formed on the first layer as the second layer.
第２の工程後、乾燥時間は、例えば２３℃環境下で２４時間以上が好ましい。 After the second step, the drying time is preferably, for example, 24 hours or more under a 23 ° C. environment.
（軽量気泡コンクリートの塗装方法）
本実施形態においては、軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備える、軽量気泡コンクリートの塗装方法を提供することもできる。
(Lightweight aerated concrete painting method)
In the present embodiment, a step of applying a first paint on the surface of lightweight cellular concrete, and a step of applying a second paint on the surface of a first layer formed of the first paint, and The present invention can also provide a method of coating lightweight cellular concrete comprising:
以下、実施例に従って本発明を更に詳細に説明するが、本発明はこれらに限定されるものではない。 Hereinafter, the present invention will be described in more detail according to Examples, but the present invention is not limited thereto.
実施例及び比較例で用いた原料は下記のとおりである。
ゲル状粒子（小白）：水５００質量部、乳化安定剤２５質量部、分散剤２５質量部、増粘剤２５質量部、増粘助剤５０質量部、消泡剤３質量部を配合して水性媒体を調製した。また、アクリル樹脂エマルジョン１００質量部、感熱ゲル化剤３０質量部、水２００質量部、白色顔料２．５質量部、増粘剤２質量部、消泡剤３質量部を配合して得られ感熱ゲル化エマルジョン組成物を調製した。次に、水性媒体を７０℃で加熱し、撹拌速度５００ｒｐｍで攪拌しながら、感熱ゲル化エマルジョン組成物を６０分かけて滴下した。滴下終了後、１０分間７０℃に保つように加熱しながら攪拌を続け、加熱を終了してから３０分後に攪拌を停止し、放冷した。その後、８メッシュの網でろ過し、着色高分子粒体であるゲル状粒子（小白）を得た。光学顕微鏡で無作為に選び観察したところ、粒径は２〜４ｍｍであった。
ゲル状粒子（大白）：撹拌速度５００ｒｐｍの点以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大白）を得た。粒径は４〜６ｍｍであった。
ゲル状粒子（小黒）：白色顔料の代わりに黒色顔料を２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（小黒）を得た。粒径は２〜４ｍｍであった。
ゲル状粒子（小グレー）：白色顔料と黒色顔料を１：１の割合で計２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（小グレー）を得た。粒径は２〜４ｍｍであった。
ゲル状粒子（大グレー）：撹拌速度５００ｒｐｍで、白色顔料と黒色顔料を１：１の割合で計２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大グレー）を得た。粒径は４〜６ｍｍであった。
ゲル状粒子（大黒）：撹拌速度５００ｒｐｍで、白色顔料の代わりに黒色顔料を２．５質量部用いる以外はゲル状粒子（小白）と同様にし、ゲル状粒子（大黒）を得た。粒径は４〜６ｍｍであった。
乾式チップ（小白）：白色の粉砕したリンペン状塗膜。
乾式チップ（小黒）：黒色の粉砕したリンペン状塗膜。
乾式チップ（小グレー）：グレー色の粉砕したリンペン状塗膜。
クリヤー：樹脂を２０重量部、造膜助剤を２重量部配合しクリヤーを調整した。
グランロック下塗ホワイト：樹脂を２０重量部、体質顔料を６０重量部、着色顔料を３重量部配合しグランロック下塗ホワイトを調整した。
グランロック下塗クリヤー：樹脂を２０重量部、体質顔料を６０重量部配合し、グランロック下塗クリヤーを調整した。
プリティアン下塗：樹脂を４０重量部、体質顔料を３０重量部、着色顔料を１０重量部配合しプリティアン下塗を調整した。
カラーバインダー（ＴＬ）ホワイト：樹脂を４０重量部、体質顔料を７重量部、着色顔料を１５重量部配合しカラーバインダー（ＴＬ）ホワイトを調整した。
イベリアン下塗：樹脂を２０重量部、体質顔料を６０重量部、着色顔料を１重量部配合しイベリアン下塗を調整した。
着色顔料：リオファーストホワイトＳＦ６１０。
体質顔料：炭酸カルシウムＫ−１。
The raw materials used in Examples and Comparative Examples are as follows.
Gel-like particles (small white): 500 parts by weight of water, 25 parts by weight of emulsion stabilizer, 25 parts by weight of dispersant, 25 parts by weight of thickener, 50 parts by weight of thickening agent, 3 parts by weight of antifoamer The aqueous medium was prepared. In addition, 100 parts by mass of an acrylic resin emulsion, 30 parts by mass of a heat sensitive gelling agent, 200 parts by mass of water, 2.5 parts by mass of a white pigment, 2 parts by mass of a thickener, and 3 parts by mass of a defoamer A gelled emulsion composition was prepared. Next, the aqueous medium was heated at 70 ° C., and the heat-sensitive gelled emulsion composition was added dropwise over 60 minutes while stirring at a stirring speed of 500 rpm. After completion of the dropwise addition, stirring was continued while heating so as to be maintained at 70 ° C. for 10 minutes, and after 30 minutes after the heating was completed, the stirring was stopped and allowed to cool. Thereafter, the resultant was filtered through an 8 mesh net to obtain gelled particles (small white) which are colored polymer particles. The particle size was 2 to 4 mm when randomly selected and observed with an optical microscope.
Gel-like particles (large white): Gel-like particles (large white) were obtained in the same manner as the gel-like particles (small white) except for the stirring speed of 500 rpm. The particle size was 4 to 6 mm.
Gel-like particles (small black): Gel-like particles (small black) were obtained in the same manner as the gel-like particles (small white) except that 2.5 parts by mass of a black pigment was used instead of the white pigment. The particle size was 2 to 4 mm.
Gel-like particles (small gray): Gel-like particles (small gray) were obtained in the same manner as gel-like particles (small white) except that a total of 2.5 parts by mass of a white pigment and a black pigment were used at a ratio of 1: 1. . The particle size was 2 to 4 mm.
Gel-like particles (large gray): Gel-like particles (large white) except that white pigment and black pigment are used in a ratio of 1: 1 by a total of 2.5 parts by mass at a stirring speed of 500 rpm. Gray) got. The particle size was 4 to 6 mm.
Gel-like particles (large black): Gel-like particles (large black) were obtained in the same manner as the gel-like particles (small white) except that 2.5 parts by mass of a black pigment was used at a stirring speed of 500 rpm. The particle size was 4 to 6 mm.
Dry chip (small white): White crushed linpen-like coating.
Dry tip (small black): Black crushed lint-like coating.
Dry tip (small gray): Gray crushed linpen-like coating.
Clear: 20 parts by weight of a resin and 2 parts by weight of a film forming aid were blended to adjust the clear.
Granlock undercoat white: 20 parts by weight of a resin, 60 parts by weight of an extender pigment, and 3 parts by weight of a color pigment were mixed to adjust granlock undercoat white.
Granlock primer clear coat: 20 parts by weight of a resin and 60 parts by weight of an extender pigment were blended to prepare Granlock primer coat clear.
Prettyan undercoat: 40 parts by weight of a resin, 30 parts by weight of an extender pigment, and 10 parts by weight of a color pigment were blended to adjust the Prettyan undercoat.
Color binder (TL) white: 40 parts by weight of a resin, 7 parts by weight of an extender, and 15 parts by weight of a color pigment were blended to adjust the color binder (TL) white.
Iberian undercoat: 20 parts by weight of a resin, 60 parts by weight of an extender pigment, and 1 part by weight of a color pigment were mixed to prepare an Iberian undercoat.
Coloring pigment: Rio Fast White SF610.
Body pigment: calcium carbonate K-1.
本実施例で用いた評価項目及びその評価方法は下記のとおりである。
（隠蔽率）
隠蔽率は、塗料が下地の色の差を覆い隠す度合を示し、以下の式で算出できる。なお、Ｌ値は明度を指す。
隠蔽率（％）＝（ΔＬ１−ΔＬ２）／ΔＬ１×１００
ΔＬ１：黒と白とに塗り分けて作った下地の黒白部分のΔＬ値
ΔＬ２：黒と白とに塗り分けて作った下地の上に塗装した場合の黒白部分のΔＬ値
（多彩感）
軽量気泡コンクリート構造体の多彩感について評価を行った。具体的には、評価対象から３０ｃｍ、２ｍ、５ｍの三段階で多彩模様が認識できるか否かの検査を行い、いずれの距離からも多彩模様が明確に認識できる軽量気泡コンクリート構造体は、多彩感があり意匠性、装飾性の高いものと判定した。
（シーリング目地隠蔽性）
マンセル値Ｎ−６相当シーリング目地と、軽量気泡コンクリートとのそれぞれに第１の塗料を吹き付け後ローラーにてしごき塗装し、乾燥させた。乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２塗料を塗装した後の軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下であるか否かを確認した。
○：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下
×：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１より大きい
（鮫肌隠蔽性）
軽量気泡コンクリート表面の一部をサンドペーパー＃１００で削ることによって鮫肌を平坦化し、軽量気泡コンクリートの当該表面上に第１塗料を塗装乾燥させた後に、乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２の塗料が塗装された軽量気泡コンクリートの表面において、サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差があるか否かを確認した。
○：サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差がない
×：サンドペーパー＃１００で削られた部分とそれ以外の部分との間に、外観に差がある
（０．５ｋｇ／ｍ２ シーリング目地隠蔽性）
０．５ｋｇ／ｍ２の塗布量で塗装を行い、マンセル値Ｎ−６相当シーリング目地と、軽量気泡コンクリートとのそれぞれに第１の塗料を吹き付け後ローラーにてしごき塗装し、乾燥させた。乾燥後の第１塗料上に第２の塗料を塗装乾燥させた。第２塗料を塗装した後の軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下であるか否かを確認した。
○：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１以下
×：軽量気泡コンクリート上のＬ値と、シーリング目地上のＬ値との差が１より大きい
The evaluation items used in this example and the evaluation method thereof are as follows.
(Hiding rate)
The hiding ratio indicates the degree to which the paint obscures the difference in the color of the substrate, and can be calculated by the following equation. The L value indicates lightness.
Concealment ratio (%) = (ΔL1−ΔL2) / ΔL1 × 100
ΔL1: ΔL value of the black and white part of the ground made by separately coating black and white ΔL2: ΔL value of the black and white part when coated on the ground made separately by black and white (colorfulness)
We evaluated the colorfulness of the lightweight cellular concrete structure. Specifically, a lightweight cellular concrete structure capable of recognizing whether or not a colorful pattern can be recognized in three levels of 30 cm, 2 m, and 5 m from the evaluation target and clearly recognizing the colorful pattern from any distance is versatile. There was a feeling and it was judged that the design and the decoration were high.
(Sealing joint concealability)
The first paint was sprayed on each of the sealing joint equivalent to the Munsell value N-6 and the lightweight aerated concrete, and then the paint was applied using a roller, and the work was dried and dried. The second paint was applied and dried on the first paint after drying. It was confirmed whether the difference between the L value on the lightweight cellular concrete after the second paint was applied and the L value on the sealing eye was 1 or less.
○: The difference between the L value on lightweight aerated concrete and the L value on the sealing surface is 1 or less ×: The difference between the L value on lightweight aerated concrete and the L value on the sealing surface is larger than 1 sex)
A portion of the lightweight cellular concrete surface is scraped off with sandpaper # 100 to flatten the brow surface, and after the first paint is applied and dried on the surface of the lightweight cellular concrete, a second paint is applied on the first paint after drying. The paint was painted and dried. On the surface of the lightweight cellular concrete coated with the second paint, it was confirmed whether or not there was a difference in appearance between the portion scraped off with sandpaper # 100 and the other portion.
○: There is no difference in appearance between the part scraped off with sandpaper # 100 and the other part. ×: Difference in appearance between the part scraped off with sandpaper # 100 and the other part There is (0.5 kg / m 2 sealing joint concealability)
The coating was applied at a coating amount of 0.5 kg / m 2 , the first paint was sprayed on each of the sealing joint with a Munsell value of N-6 and the lightweight cellular concrete, and then the coating was applied using a roller for ironing and drying. The second paint was applied and dried on the first paint after drying. It was confirmed whether the difference between the L value on the lightweight cellular concrete after the second paint was applied and the L value on the sealing eye was 1 or less.
○: The difference between the L value on lightweight cellular concrete and the L value on the sealing surface is 1 or less ×: The difference between the L value on lightweight cellular concrete and the L value on the sealing surface is larger than 1
表１〜３のとおり、実施例１，４、参考例２，３，５，６、比較例１〜１０の塗料を配合し、隠蔽率を測定した。 As in Tables 1 to 3, the paints of Examples 1 and 4 and Reference Examples 2, 3, 5 and 6 and Comparative Examples 1 to 10 were blended, and the hiding ratio was measured.
表４のとおり、実施例１１，１２、参考例１３、比較例１１〜１３の塗料を配合し、多彩感の評価を行った。 As shown in Table 4, the paints of Examples 11 and 12 and Reference Example 13 and Comparative Examples 11 to 13 were blended, and evaluation of colorfulness was performed.
表５、６のとおり、参照例１〜１０の塗料を配合し、シーリング目地隠蔽性、鮫肌隠蔽性の評価を行った。 As shown in Tables 5 and 6, the paints of Reference Examples 1 to 10 were blended to evaluate the sealing joint hiding property and the eyebrow skin hiding property.
表７のとおり、参照例１１〜１４の塗料を配合し、０．５ｋｇ／ｍ２シーリング目地隠蔽性、ＡＬＣ鮫肌隠蔽性の評価を行った。 As shown in Table 7, the paints of Reference Examples 11 to 14 were blended, and evaluation of 0.5 kg / m 2 sealing joint hiding property and ALC eyelid skin hiding property were performed.
１…軽量気泡コンクリート、２…第１の層、３…第２の層、４…第１のゲル状粒子、５…第２のゲル状粒子、１０…軽量気泡コンクリート構造体。 DESCRIPTION OF SYMBOLS 1 ... Lightweight cellular concrete, 2 ... 1st layer, 3 ... 2nd layer, 4 ... 1st gel-like particle, 5 ... 2nd gel-like particle, 10 ... lightweight cellular concrete structure.
Claims (6)
前記第１の塗料が体質顔料および３質量％以上１５質量％未満の着色顔料を有する下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、
前記少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体とを含み、
前記第２の塗料における、前記第１の着色高分子粒体の含有率は５０質量％以上７０質量％以下であり、前記第２の着色高分子粒体の含有率は１０質量％より大きく３０質量％以下である、軽量気泡コンクリート構造体。 A lightweight cellular concrete, a first layer formed on the surface of the lightweight cellular concrete by a first paint, and a second layer formed on the surface of the first layer by a second paint; Equipped with
The first paint comprises a base paint having an extender pigment and a color pigment of 3% by weight to less than 15% by weight , and the second paint comprises a multicolor paint containing at least two types of colored polymer particles. ,
The at least two types of colored polymer particles include a first colored polymer particle having a particle size of less than 4 mm, and a second colored polymer particle having a particle size of 4 mm or more,
The content of the first colored polymer particles in the second paint is 50% by mass to 70% by mass, and the content of the second colored polymer particles is more than 10% by mass. Lightweight cellular concrete structure that is less than or equal to mass percent.
前記軽量気泡コンクリートの表面上に、第１の塗料を塗布し、前記第１の層を形成する第１の工程と、
前記第１の層の表面上に、第２の塗料を塗布し、前記第２の層を形成する第２の工程と、を備え、
前記第１の塗料が体質顔料および３質量％以上１５質量％未満の着色顔料を有する下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、
前記少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体とを含み、
前記第２の塗料における、前記第１の着色高分子粒体の含有率は５０質量％以上７０質量％以下であり、前記第２の着色高分子粒体の含有率は１０質量％より大きく３０質量％以下である、軽量気泡コンクリート構造体の製造方法。 A method of making a lightweight cellular concrete structure comprising lightweight cellular concrete, a first layer and a second layer, the method comprising:
Applying a first paint on the surface of the lightweight cellular concrete to form the first layer;
Applying a second paint on the surface of the first layer to form the second layer;
The first paint comprises a base paint having an extender pigment and a color pigment of 3% by weight to less than 15% by weight , and the second paint comprises a multicolor paint containing at least two types of colored polymer particles. ,
The at least two types of colored polymer particles include a first colored polymer particle having a particle size of less than 4 mm, and a second colored polymer particle having a particle size of 4 mm or more,
The content of the first colored polymer particles in the second paint is 50% by mass to 70% by mass, and the content of the second colored polymer particles is more than 10% by mass. The manufacturing method of the lightweight cellular concrete structure which is mass% or less.
前記軽量気泡コンクリートの表面上に、第１の塗料を塗布する工程と、
前記第１の塗料により形成された第１の層の表面上に、第２の塗料を塗布する工程と、を備え、
前記第１の塗料が体質顔料および３質量％以上１５質量％未満の着色顔料を有する下地塗料を含み、前記第２の塗料が少なくとも２種の着色高分子粒体を含有する多彩模様塗料を含み、
前記少なくとも２種の着色高分子粒体は、粒径が４ｍｍ未満の第１の着色高分子粒体と、粒径が４ｍｍ以上の第２の着色高分子粒体とを含み、
前記第２の塗料における、前記第１の着色高分子粒体の含有率は５０質量％以上７０質量％以下であり、前記第２の着色高分子粒体の含有率は１０質量％より大きく３０質量％以下である、軽量気泡コンクリートの塗装方法。 It is a painting method to paint lightweight cellular concrete, and
Applying a first paint on the surface of the lightweight cellular concrete;
Applying a second paint on the surface of the first layer formed by the first paint;
The first paint comprises a base paint having an extender pigment and a color pigment of 3% by weight to less than 15% by weight , and the second paint comprises a multicolor paint containing at least two types of colored polymer particles. ,
The at least two types of colored polymer particles include a first colored polymer particle having a particle size of less than 4 mm, and a second colored polymer particle having a particle size of 4 mm or more,
The content of the first colored polymer particles in the second paint is 50% by mass to 70% by mass, and the content of the second colored polymer particles is more than 10% by mass. The method of painting lightweight cellular concrete that is less than mass%.
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