JP4591945B2 - Coloring method of glazing material - Google Patents
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- JP4591945B2 JP4591945B2 JP2004118158A JP2004118158A JP4591945B2 JP 4591945 B2 JP4591945 B2 JP 4591945B2 JP 2004118158 A JP2004118158 A JP 2004118158A JP 2004118158 A JP2004118158 A JP 2004118158A JP 4591945 B2 JP4591945 B2 JP 4591945B2
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- 239000000463 material Substances 0.000 title claims description 55
- 238000004040 coloring Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title claims description 5
- 239000000049 pigment Substances 0.000 claims description 65
- 239000011248 coating agent Substances 0.000 claims description 46
- 238000000576 coating method Methods 0.000 claims description 46
- 239000007788 liquid Substances 0.000 claims description 38
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 238000002156 mixing Methods 0.000 description 14
- 239000002245 particle Substances 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229920000609 methyl cellulose Polymers 0.000 description 8
- 239000001923 methylcellulose Substances 0.000 description 8
- 235000010981 methylcellulose Nutrition 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 7
- 238000004898 kneading Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000002562 thickening agent Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 229910052956 cinnabar Inorganic materials 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 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 1
- -1 kneading Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Description
この発明は、施工現場において基本塗材に液体顔料を添加することにより、鏝塗り面の色彩を変化させる鏝塗り材に関するものであり、特に従来再現することの出来なかった濃い色彩の塗面を提供することのできる鏝塗り材の着色方法に関するものである。 The present invention relates to a glazing material that changes the color of a glazed surface by adding a liquid pigment to a basic coating material at a construction site, and in particular, a dark coloured coating surface that could not be reproduced in the past. The present invention relates to a method for coloring a coating material that can be provided.
従来、特許文献１に示されるように、鏝塗り材に各種顔料を添加し、鏝塗り面の色彩を変化させたものが知られている。このような鏝塗り材は配合する顔料の色彩を変化することにより、所望の色彩を再現し、施主の好みの色彩に対応し得るものである。
しかしながら、色彩の好みは多様化しており、予め顔料を配合した鏝塗り材であれば、多くの種類の色毎の鏝塗り材の在庫を用意しておく必要がある。
Conventionally, as disclosed in Patent Document 1, various pigments are added to a glazing material to change the color of the glazing surface. Such a plaster material can reproduce a desired color by changing the color of the pigment to be blended, and can correspond to a favorite color of the owner.
However, color preferences are diversified, and it is necessary to prepare a stock of many types of glaze coating materials for each color if it is a glaze coating material previously blended with pigments.
近年、色彩の多様化に対応すべく、顔料が添加されていない基本塗材を用意し、この基本塗材に液体顔料を添加することにより、所望の色彩を再現するものが提案されている。液体顔料によって鏝塗り材を着色することにより、色毎の鏝塗り材を予め用意する必要が無く、基本塗材を在庫しておくだけで済む。また、液体顔料は、基本塗材への分散性が良好であり、色むらの発生を抑制し、施工現場での配合に適している。 In recent years, in order to cope with diversification of colors, a basic coating material to which no pigment is added is prepared, and a liquid pigment is added to the basic coating material to reproduce a desired color. By coloring the glazing material with the liquid pigment, it is not necessary to prepare the glazing material for each color in advance, and it is only necessary to stock the basic coating material. In addition, the liquid pigment has good dispersibility in the basic coating material, suppresses the occurrence of uneven color, and is suitable for blending at the construction site.
液体顔料を使用する鏝塗り材としては、砂、土等の骨材（基材）に酸化チタンを配合して白色の基本塗材を作製し、この白色基本塗材に施工現場において、液体顔料を添加して着色した鏝塗り材が知られている。
酸化チタンを鏝塗り材に配合すると、下地や他の原料骨材に対する隠蔽作用と塗材自身の明度を上げる作用効果が得られるので、白色基本塗材には通常２〜４重量％程度の酸化チタンが配合されている。
As a glazing coating material that uses liquid pigment, a white basic coating material is prepared by blending titanium oxide with an aggregate (base material) such as sand or earth, and the liquid pigment is applied to the white basic coating material at the construction site. There is known a glazing material colored with the addition of.
When titanium oxide is blended into the glazing material, it provides a hiding effect on the base and other raw material aggregates and an effect of increasing the lightness of the coating material itself. Titanium is blended.
白色基本塗材に液体顔料を添加して着色する場合、酸化チタンが白色であるため、淡い色を再現する場合は、少量の顔料を添加すればよいが、濃い色を再現する場合、多量の顔料を配合しなければ所望の色彩が再現できないものであった。
従って、濃い色は淡い色と比べて大量の液体顔料が必要となるので、液体顔料の量を変えずに鏝塗り材を多色展開しようとすると、極端な濃色は再現が困難であり、淡い色しか再現できないものであった。
一方、色の濃度によって液体顔料の配合量を調整すれば、多色展開が可能となるが、施工現場での取り扱いの利便性を考えると、色の濃度に関わらず一定量の液体顔料を添加できる方が好ましい。
When coloring by adding a liquid pigment to a white basic coating material, the titanium oxide is white, so if you want to reproduce a light color, you can add a small amount of pigment, but if you want to reproduce a dark color, The desired color could not be reproduced unless a pigment was blended.
Therefore, since a dark color requires a large amount of liquid pigment compared to a light color, it is difficult to reproduce an extreme dark color when trying to develop a multicolored coating material without changing the amount of liquid pigment. Only light colors could be reproduced.
On the other hand, if the amount of liquid pigment is adjusted according to the color concentration, multiple colors can be developed. However, considering the convenience of handling at the construction site, a certain amount of liquid pigment is added regardless of the color concentration. It is preferable to be able to.
例えば、社団法人日本塗料工業会発行の塗料用標準色色見本帳(２００１年度版)記載の「Ａ１９−４０Ｄ」（こげ茶色）〔以下、「Ａ１９−４０Ｄ」という〕という濃い色を再現する場合、骨材を隠蔽するために酸化チタンを２重量％配合した白色基本塗材１００重量部に対し、顔料を５０重量％含有する水溶液化した液体顔料を１０重量部添加する必要がある。基本塗材１００重量部に対する酸化チタンと顔料の配合量が５重量部を超えると、水練り後の粘度が大きく、鏝塗り作業性が極端に悪化すると共に、乾燥後の仕上げ面にクラックが生じる等の不具合が発生するものであった。 For example, in the case of reproducing a dark color “A19-40D” (dark brown) [hereinafter referred to as “A19-40D”] described in the standard color sample book for paints (2001 edition) published by the Japan Paint Manufacturers Association, In order to conceal the aggregate, it is necessary to add 10 parts by weight of an aqueous liquid pigment containing 50% by weight of the pigment to 100 parts by weight of the white basic coating material containing 2% by weight of titanium oxide. When the blending amount of titanium oxide and pigment with respect to 100 parts by weight of the basic coating material exceeds 5 parts by weight, the viscosity after water kneading is great, the workability of the glazing is extremely deteriorated, and cracks occur on the finished surface after drying. Such a problem occurs.
さらに、水溶液化した液体顔料に含まれる顔料の配合割合を多くすれば、液体顔料の量を変えなくても濃い色の再現が可能であるが、液体顔料における顔料の配合割合が５０重量％を超えると、顔料の分散性が低下し、顔料の塊が仕上げ面に表出して色むらが発生する等外観の悪化を招くものである。 Furthermore, if the blending ratio of the pigment contained in the liquid pigment made into an aqueous solution is increased, a dark color can be reproduced without changing the amount of the liquid pigment, but the blending ratio of the pigment in the liquid pigment is 50% by weight. If it exceeds the above range, the dispersibility of the pigment is deteriorated, and the appearance of the pigment is deteriorated, for example, the lump of the pigment appears on the finished surface to cause uneven color.
一方、淡い色の社団法人日本塗料工業会発行の塗料用標準色色見本帳(２００１年度版)記載の「Ａ１９−９０Ｄ」（肌色）〔以下、「Ａ１９−９０Ｄ」という〕を再現しようとした場合、白色基本塗材１００重量部に対し顔料を５０重量％含有する液体顔料２重量部で再現可能であることから、濃い色を再現する場合と比較して液体顔料の配合量が大きく相違するため、施工現場での取扱いが煩雑になると共に、液体顔料のコスト的な格差が大きくなる。 On the other hand, when trying to reproduce “A19-90D” (skin color) [hereinafter referred to as “A19-90D”] described in the standard color sample book for paints (2001 edition) published by the Japan Paint Industry Association of pale colors Since it can be reproduced with 2 parts by weight of a liquid pigment containing 50% by weight of the pigment with respect to 100 parts by weight of the white basic coating material, the blending amount of the liquid pigment is greatly different from that in the case of reproducing a dark color. In addition, the handling at the construction site becomes complicated, and the cost disparity of the liquid pigment increases.
本発明の目的は、基本塗材に添加する液体顔料の配合量を色の濃度によって変えることなく、淡い色から濃い色まで再現することのできる鏝塗り材の着色方法を提供することにある。 An object of the present invention is to provide a coloring method for a glaze coating material that can reproduce from a light color to a dark color without changing the blending amount of the liquid pigment added to the basic coating material depending on the color density.
本発明者等は、このような事情に鑑み鋭意検討を重ねた結果、骨材１００重量部に対し酸化チタンを０．５〜１．５重量部を配合して鏝塗り基本塗材を作製し、鏝塗り基本塗材１００重量部に対し、酸化チタン、酸化鉄、カーボンブラックおよびフタロシアニン酸から選ばれる一つ以上の顔料を２０〜５０重量％含有する水溶液化した液体顔料を３〜７重量部の割合で添加し、骨材１００重量部に対する酸化チタンと顔料の総量を２．０〜５．０重量部としたことにより、液体顔料の添加量を変えずに淡い色から濃い色まで再現できる鏝塗り材を提供することが可能になる。 As a result of intensive investigations in view of such circumstances, the inventors of the present invention prepared 0.5 to 1.5 parts by weight of titanium oxide with respect to 100 parts by weight of the aggregate to produce a basic coating material for glazing. 3 to 7 parts by weight of an aqueous liquid pigment containing 20 to 50% by weight of one or more pigments selected from titanium oxide, iron oxide, carbon black and phthalocyanic acid with respect to 100 parts by weight of the base coating material By adding 2.0 to 5.0 parts by weight of the total amount of titanium oxide and pigment with respect to 100 parts by weight of the aggregate, it is possible to reproduce from a light color to a dark color without changing the amount of liquid pigment added. It becomes possible to provide a glazing material .
本発明鏝塗り材の着色方法によれば、基本塗材に対し液体顔料の添加量を変えることなく、広範な濃度の色を付与することができ、施工作業性も悪化することのない鏝塗り材を提供することができる。 According to the coloring method of the present coating material, a wide range of colors can be imparted to the basic coating material without changing the amount of liquid pigment added, and the coating workability is not deteriorated. Material can be provided.
本発明の実施にあたり、基本塗材には酸化チタンのほかに、骨材、増粘剤、バインダーが配合される。 In carrying out the present invention, the basic coating material contains an aggregate, a thickener, and a binder in addition to titanium oxide.
骨材は、硅砂・硅石紛・珪藻土・蝋石・炭酸カルシウム・カオリンなどであり、粒径が０．１〜１．２ｍｍの範囲のものが使用される。１．２ｍｍを上回ると鏝塗り作業性が悪化し、逆に０．１ｍｍを下回ると、塗面の風合いがペイント調になってしまい重量感が無くなる。 Aggregates include cinnabar, olivine powder, diatomaceous earth, wax, calcium carbonate, kaolin, etc., and those having a particle size in the range of 0.1 to 1.2 mm are used. If the thickness exceeds 1.2 mm, the glazing workability deteriorates. On the other hand, if the thickness is less than 0.1 mm, the texture of the coating surface becomes a paint tone and the feeling of weight is lost.
増粘剤は、メチルセルロ−ス（ＭＣ）、カルボキシメチルセルロ−ス（ＣＭＣ）、ヒドロキシエチルセルロース（ＨＥＣ）、角又糊などであり、骨材１０００重量部に対して３〜１００重量部の割合で使用される。増粘剤の配合量が１００重量部を超えると、粘度が極端に高くなるため、粘度を低く抑えるために水を多量に配合しなければならず、乾燥後のクラックの発生や乾燥不良の原因となる。また、配合量が３重量部を下回ると、粘度が足りなくなり、鏝塗り作業性が悪化する。 Thickeners are methyl cellulose (MC), carboxymethyl cellulose (CMC), hydroxyethyl cellulose (HEC), square corner glue, etc., at a ratio of 3 to 100 parts by weight with respect to 1000 parts by weight of aggregate. used. When the blending amount of the thickener exceeds 100 parts by weight, the viscosity becomes extremely high, so a large amount of water must be blended to keep the viscosity low, causing cracks after drying and poor drying. It becomes. On the other hand, when the blending amount is less than 3 parts by weight, the viscosity becomes insufficient, and the coating workability is deteriorated.
バインダーは、酢酸ビニル、アクリル、ベオバなどのエマルション樹脂もしくは漆喰・セメントなどである。エマルション樹脂の使用量については、粒状骨材１０００重量部に対して樹脂固形分換算で１０〜２００重量部の割合で配合すべきであり、樹脂固形分がを２００重量部を超えると、水練りした際の粘度が高くなりすぎて作業性を悪化させる、また、１０重量部を下回ると塗面の強度確保が困難となる。 The binder is an emulsion resin such as vinyl acetate, acrylic, or veoba, or stucco / cement. The amount of the emulsion resin should be blended at a ratio of 10 to 200 parts by weight in terms of resin solid content with respect to 1000 parts by weight of the granular aggregate, and when the resin solid content exceeds 200 parts by weight, If the viscosity is too high, workability is deteriorated. If the viscosity is less than 10 parts by weight, it is difficult to ensure the strength of the coated surface.
基本塗材に配合する酸化チタンの配合量が０.５重量部を下回ると、淡い色を再現する場合、液体顔料に含まれる顔料の量も少なくなるので、基本塗材に含まれる骨材の十分な隠蔽効果が期待できない。
逆に、酸化チタンの配合量が１.５重量部を上回ると、濃い色再現する場合、液体顔料中における顔料の配合量が多くなり、乾燥後の塗面にクラックが生じるなど、意匠面での影響がある。また水練り後の鏝塗り材の粘度が高くなり、鏝塗り作業性も著しく悪化し、コスト的にもデメリットがある。
If the blending amount of titanium oxide to be blended in the basic coating material is less than 0.5 parts by weight, the amount of pigment contained in the liquid pigment is reduced when reproducing a light color. A sufficient concealment effect cannot be expected.
On the other hand, when the blending amount of titanium oxide exceeds 1.5 parts by weight, when reproducing a deep color, the blending amount of the pigment in the liquid pigment increases, and cracks occur on the coated surface after drying. There is an influence. In addition, the viscosity of the glazing material after kneading with water becomes high, the wiping workability is remarkably deteriorated, and there are disadvantages in terms of cost.
液体顔料は、酸化チタン、酸化鉄、カーボンブラック、フタロシアニン酸などの顔料成分をＭＣ、キサンタンガムなどを使って増粘させた水に対し、均一に分散させたものである。
液体顔料中に含まれる顔料の配合割合が２０重量％を下回ると、基本塗材の骨材を隠蔽することができず、鏝塗り材を所望の色彩に着色することができないものである。
一方、液体顔料中に含まれる顔料の配合割合が５０重量％を上回ると、顔料が均一に分散せず、鏝塗り材の塗面に色むらが生じ、外観の悪化を招くものである。
The liquid pigment is obtained by uniformly dispersing pigment components such as titanium oxide, iron oxide, carbon black and phthalocyanic acid in water thickened using MC, xanthan gum or the like.
If the blending ratio of the pigment contained in the liquid pigment is less than 20% by weight, the aggregate of the basic coating material cannot be concealed and the glaze coating material cannot be colored in a desired color.
On the other hand, if the blending ratio of the pigment contained in the liquid pigment exceeds 50% by weight, the pigment is not uniformly dispersed, color unevenness occurs on the coated surface of the glazing material, and the appearance is deteriorated.
基本塗材１００重量部に対し添加する液体顔料が３重量部を下回ると、淡い色を再現する場合、液体顔料に含まれている顔料の量も少なくなるので、基本塗材の骨材の隠蔽効果が期待できない。
一方、基本塗材１００重量部に対し添加する液体顔料が７重量部を上回ると、濃い色を再現する場合に酸化チタンと顔料の総量が多くなり、乾燥後の仕上げ面にクラックが発生するなど、意匠面での影響がある。また水練り後の鏝塗り材の粘度が高くなり、鏝塗り作業性も著しく悪化する。
If the amount of liquid pigment added to 100 parts by weight of the basic coating material is less than 3 parts by weight, the amount of pigment contained in the liquid pigment will be reduced if a light color is reproduced. The effect cannot be expected.
On the other hand, if the liquid pigment added to 100 parts by weight of the basic coating material exceeds 7 parts by weight, the total amount of titanium oxide and pigment increases when reproducing a dark color, and cracks occur on the finished surface after drying. There is an influence on the design surface. In addition, the viscosity of the glazing material after kneading with water becomes high, and the wiping workability is significantly deteriorated.
骨材１００重量部に対する酸化チタンと顔料の総量が２重量部を下回ると、骨材を隠蔽することができず所望の色彩を再現することが困難となる。逆に、５重量部を上回ると、水練り後の粘度が大きく、鏝塗り作業性が悪化すると共に、乾燥後の仕上げ面にクラックが発生するなどの不具合が生じるものである。 If the total amount of titanium oxide and pigment with respect to 100 parts by weight of the aggregate is less than 2 parts by weight, the aggregate cannot be concealed and it becomes difficult to reproduce a desired color. On the other hand, when the amount exceeds 5 parts by weight, the viscosity after water kneading is large, the workability of wrinkling is deteriorated, and problems such as the generation of cracks on the finished surface after drying occur.
骨材として粒径０．３〜１．０ｍｍの硅砂を２０００重量部と、粒径０．１〜０．３ｍｍの炭酸カルシウムを５００重量部、粒径が１０μｍ以下の酸化チタンを３０重量部、繊維状物質として粉砕パルプを１０重量部及び水溶性増粘剤としてメチルセルロース１０重量部、合成樹脂バインダーとして酢酸ビニルベオバ粉末再乳化型エマルション樹脂を１００重量部加え、均一に混合して基本塗材を調製した。
また、酸化チタンを７００重量部、酸化鉄２５０重量部、カーボンブラック５０重量部を水１，０００重量部に対し分散させ、メチルセルロース２重量部で増粘させ肌色の液体顔料を調整した。
前記白色基本基材５０００重量部、前記液体顔料３００重量部に水２２００重量部を加水して均一なペースト状になるまで混練し、粘度を３０，０００ｍＰａ・ｓに調整した。
これを壁面に鏝塗し、乾燥させると「Ａ１９−９０Ｄ」（肌色）の色彩の壁面が再現出来た。
2000 parts by weight of cinnabar sand having a particle size of 0.3 to 1.0 mm, 500 parts by weight of calcium carbonate having a particle size of 0.1 to 0.3 mm, and 30 parts by weight of titanium oxide having a particle size of 10 μm or less, Add 10 parts by weight of pulverized pulp as fibrous material, 10 parts by weight of methylcellulose as water-soluble thickener, 100 parts by weight of vinyl acetate powder re-emulsified emulsion resin as a synthetic resin binder, and mix uniformly to prepare a basic coating material did.
Further, 700 parts by weight of titanium oxide, 250 parts by weight of iron oxide and 50 parts by weight of carbon black were dispersed in 1,000 parts by weight of water, and the viscosity was increased by 2 parts by weight of methylcellulose to prepare a skin-colored liquid pigment.
Water was added to 5000 parts by weight of the white basic base material and 300 parts by weight of the liquid pigment to add 2200 parts by weight of water to a uniform paste, and the viscosity was adjusted to 30,000 mPa · s.
When this was applied to the wall surface and dried, a wall surface with a color of “A19-90D” (skin color) could be reproduced.
実施例１において調製した基本塗材５０００重量部に、酸化チタンを１００重量部、酸化鉄４５０重量部、カーボンブラック１５０重量部を水１，０００重量部に分散した液体顔料３００重量部と水２２００重量部を加水し混練し、これを壁面に鏝塗し、乾燥させると、「Ａ１９−４０Ｄ」（こげ茶色）相当の色彩の壁面が再現出来た。 300 parts by weight of a liquid pigment in which 1000 parts by weight of titanium oxide, 450 parts by weight of iron oxide, and 150 parts by weight of carbon black are dispersed in 1,000 parts by weight of water and water 2200 in 5000 parts by weight of the basic coating material prepared in Example 1. When water was added and kneaded, and this was coated on the wall surface and dried, a wall surface with a color equivalent to “A19-40D” (dark brown) could be reproduced.
〔比較例１〕
骨材として粒径０．３〜１．０ｍｍの硅砂を２０００重量部と、粒径０．１〜０．３ｍｍの炭酸カルシウムを５００重量部、粒径が１０μｍ以下の酸化チタンを６０重量部、繊維状物質として粉砕パルプを１０重量部及び水溶性増粘剤としてメチルセルロース１０重量部、合成樹脂バインダーとして酢酸ビニルベオバ粉末再乳化型エマルション樹脂を１００重量部加え、均一に混合して基本塗材を調製した。
この基本塗材５０００重量部に、酸化チタンを２５０重量部、酸化鉄２５０重量部、カーボンブラック５０重量部を水１，０００重量部に分散させた液体顔料３００重量部と、水２２００重量部を加水して混練したところ、「Ａ１９−９０Ｄ」（肌色）を再現することができた。
一方、この基本塗材５０００重量部を使用して「Ａ１９−４０Ｄ」（こげ茶色）を再現しようとすると、酸化鉄７５０重量部、カーボンブラック２５０重量部を水１，０００重量部に分散させた液体顔料６００重量部と、水２２００重量部を配合しなければならず、水練り後の粘度が高く、鏝塗り作業性の悪いものであり、乾燥後の塗面にクラックが生じ意匠性も悪いものであった。
[Comparative Example 1]
As an aggregate, 2000 parts by weight of cinnabar sand having a particle size of 0.3 to 1.0 mm, 500 parts by weight of calcium carbonate having a particle size of 0.1 to 0.3 mm, and 60 parts by weight of titanium oxide having a particle size of 10 μm or less, Add 10 parts by weight of pulverized pulp as a fibrous material, 10 parts by weight of methylcellulose as a water-soluble thickener, and 100 parts by weight of a vinyl acetate powder re-emulsified emulsion resin as a synthetic resin binder, and mix uniformly to prepare a basic coating material did.
300 parts by weight of a liquid pigment in which 250 parts by weight of titanium oxide, 250 parts by weight of iron oxide, and 50 parts by weight of carbon black are dispersed in 1,000 parts by weight of water and 2200 parts by weight of water are added to 5000 parts by weight of this basic coating material. When water was added and kneaded, “A19-90D” (skin color) could be reproduced.
On the other hand, when 5000 parts by weight of the basic coating material was used to reproduce "A19-40D" (dark brown), 750 parts by weight of iron oxide and 250 parts by weight of carbon black were dispersed in 1,000 parts by weight of water. 600 parts by weight of liquid pigment and 2200 parts by weight of water must be blended, the viscosity after kneading with water is high, the coating workability is poor, and the coating surface after drying is cracked and has poor design. It was a thing.
〔比較例２〕
骨材として粒径０．３〜１．０ｍｍの硅砂を２０００重量部と、粒径０．１〜０．３ｍｍの炭酸カルシウムを５００重量部、粒径が１０μｍ以下の酸化チタンを５重量部、繊維状物質として粉砕パルプを１０重量部及び水溶性増粘剤としてメチルセルロース１０重量部、合成樹脂バインダーとして酢酸ビニルベオバ粉末再乳化型エマルション樹脂を１００重量部加え、均一に混合して基本塗材を調製した。
酸化チタンを７００重量部、酸化鉄２５０重量部、カーボンブラック５０重量部を水１０００重量部に対し分散させ、メチルセルロース２重量部で増粘させ肌色の液体顔料を調整した。
基本塗材５０００重量部に対し、液体顔料６００重量部と水２２００重量部を加水して混練し、これを壁面に鏝塗し、乾燥させると、「Ａ１９−９０Ｄ」（肌色）という色彩が再現出来たが、水練り後の鏝塗り材の粘度が高く、鏝塗り作業性が悪いものであった。また、乾燥後の塗面には、クラックが生じ意匠性も悪いものであった。
[Comparative Example 2]
2000 parts by weight of silica sand having a particle size of 0.3 to 1.0 mm, 500 parts by weight of calcium carbonate having a particle size of 0.1 to 0.3 mm, and 5 parts by weight of titanium oxide having a particle size of 10 μm or less, Add 10 parts by weight of pulverized pulp as fibrous material, 10 parts by weight of methylcellulose as water-soluble thickener, 100 parts by weight of vinyl acetate powder re-emulsified emulsion resin as a synthetic resin binder, and mix uniformly to prepare a basic coating material did.
A skin-colored liquid pigment was prepared by dispersing 700 parts by weight of titanium oxide, 250 parts by weight of iron oxide, and 50 parts by weight of carbon black in 1000 parts by weight of water and increasing the viscosity with 2 parts by weight of methylcellulose.
When adding 600 parts by weight of liquid pigment and 2200 parts by weight of water to 5000 parts by weight of the basic coating material, kneading, coating this onto the wall surface, and drying, the color “A19-90D” (skin color) is reproduced. Although it was possible, the viscosity of the glazing material after water kneading was high, and the wiping workability was poor. Moreover, the coating surface after drying was cracked and the design was poor.
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