JPH11228863A - Heat insulating coating material - Google Patents
Heat insulating coating materialInfo
- Publication number
- JPH11228863A JPH11228863A JP3309498A JP3309498A JPH11228863A JP H11228863 A JPH11228863 A JP H11228863A JP 3309498 A JP3309498 A JP 3309498A JP 3309498 A JP3309498 A JP 3309498A JP H11228863 A JPH11228863 A JP H11228863A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- coating film
- water
- heat insulating
- cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、断熱性、消音性を
有する塗膜を形成し得る塗料に関し、特に建造物壁面の
外装仕上げに好適な断熱塗料に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paint capable of forming a coating film having a heat insulating property and a sound deadening property, and more particularly to a heat insulating paint suitable for exterior finishing of a building wall.
【０００２】[0002]
【従来技術及びその課題】従来、建築物の内部の温度変
化を制御するために、建物の壁の内外面にスチレン発泡
体やガラスウ−ルなど断熱部材を面状に配置することが
広く実施されている。一方、断熱性を付与する塗装材と
しても無機又は有機の微細発泡体又は微細中空発泡体を
骨材として使用したものが知られている。このような断
熱性を付与する塗装材としては、例えば、造膜温度が１
０℃以下の樹脂エマルション、水硬性セメント、及び樹
脂発泡体粒子を含有する弾性皮膜形成用樹脂組成物（特
開昭６０−９４４７０号公報）などが提案されている。
該組成物によれば弾性を有する厚膜が形成可能である
が、樹脂エマルションを含むベ−ス液と、セメントを主
成分とする粉末の２パック貯蔵であるため、使用時に両
者を配合する必要があり、現場での計量や混練作業を要
していた。2. Description of the Related Art Conventionally, in order to control a temperature change inside a building, it has been widely practiced to arrange a heat insulating member such as a styrene foam or a glass wall on the inner and outer surfaces of a building wall. ing. On the other hand, as a coating material for imparting heat insulation, a material using an inorganic or organic fine foam or a fine hollow foam as an aggregate is known. As a coating material imparting such heat insulating properties, for example, a film forming temperature of 1
A resin composition for forming an elastic film containing a resin emulsion at 0 ° C. or lower, a hydraulic cement, and resin foam particles (JP-A-60-94470) has been proposed.
According to the composition, a thick film having elasticity can be formed. However, since it is a two-pack storage of a base liquid containing a resin emulsion and a powder mainly composed of cement, it is necessary to mix both at the time of use. There was a need for on-site weighing and kneading operations.
【０００３】[0003]
【課題を解決するための手段】本発明者らは、上記問題
を解決すべく鋭意検討した結果、再乳化型粉末樹脂、樹
脂発泡体粒子及びセメントを含有する粉末塗料が、１パ
ックで貯蔵でき、現場での作業性に優れ、しかも断熱
性、消音性に優れた塗膜を形成できることを見出し本発
明に到達した。The present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, a powder coating containing re-emulsifying powder resin, resin foam particles and cement can be stored in one pack. The present inventors have found that it is possible to form a coating film which is excellent in workability on site, and which has excellent heat insulating properties and sound deadening properties.
【０００４】即ち本発明は、（Ａ）再乳化型粉末樹脂、
（Ｂ）樹脂発泡体粒子、及び（Ｃ）セメントを、（Ａ）
／（Ｂ）の固形分体積比が１００／５０〜１００／８０
０で、且つ（Ａ）／（Ｃ）の固形分体積比が１００／２
〜１００／８０となるよう含有する粉末状組成物に、水
を使用時に配合して水分散することを特徴とする断熱塗
料を提供するものである。That is, the present invention provides (A) a re-emulsifying type powder resin,
(B) Resin foam particles, and (C) cement, (A)
/ (B) solid content volume ratio of 100/50 to 100/80
0 and the solid content volume ratio of (A) / (C) is 100/2
It is intended to provide a heat insulating paint characterized in that water is added to a powdery composition contained so as to be 100 to 80/80 at the time of use and dispersed in water.
【０００５】[0005]
【発明の実施の形態】本発明において再乳化型粉末樹脂
（Ａ）は、水を加えて撹拌することで再乳化しエマルシ
ョンとなる粉末状の樹脂であり、該再乳化型粉末樹脂
（Ａ）としては、酢酸ビニル、プロピオン酸ビニル、ベ
オバ（飽和カルボン酸のビニルエステル、シェル化学社
製、商品名）、アクリル酸アルキルエステルなどのアク
リル系モノマ−、エチレン性不飽和カルボン酸、エチレ
ン、塩化ビニル、スチレンなどから適宜選択されたモノ
マ−混合物を共重合してなる水性樹脂エマルションを噴
霧乾燥したものが１種又は２種以上併用して使用でき
る。再乳化性の面からは、これらの重合時にポリビニル
アルコ−ルなどの水溶性高分子を保護コロイドとして乳
化重合したものが好ましい。噴霧乾燥時には、炭酸カル
シウム、クレ−、シリカなどの不活性無機粉末をブロッ
キング防止剤として用いることができる。BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, the re-emulsifying powder resin (A) is a powdery resin which is re-emulsified by adding water and stirred to form an emulsion. Examples thereof include vinyl acetate, vinyl propionate, veova (vinyl ester of saturated carboxylic acid, trade name of Shell Chemical Co., Ltd.), acrylic monomers such as alkyl acrylate, ethylenically unsaturated carboxylic acid, ethylene, vinyl chloride An aqueous resin emulsion obtained by copolymerizing a monomer mixture appropriately selected from styrene, styrene and the like can be spray-dried and used alone or in combination of two or more. From the viewpoint of re-emulsifiability, it is preferable that a water-soluble polymer such as polyvinyl alcohol is emulsion-polymerized as a protective colloid during the polymerization. At the time of spray drying, an inert inorganic powder such as calcium carbonate, clay and silica can be used as a blocking inhibitor.
【０００６】上記再乳化型粉末樹脂（Ａ）の粒子径は、
通常、０．５〜１００μｍ、好ましくは１０〜４０μｍ
の範囲内が適当である。The particle size of the re-emulsifying powder resin (A) is as follows:
Usually 0.5 to 100 μm, preferably 10 to 40 μm
Is suitably within the range.
【０００７】上記再乳化型粉末樹脂（Ａ）は、その再乳
化後のエマルション樹脂のガラス転移温度が３０℃以
下、好ましくは−５０〜２０℃で、最低造膜温度が２５
℃以下、好ましくは−１０〜２０℃であることが望まし
い。該ガラス転移温度が３０℃を越えると、得られる断
熱塗膜の弾性が乏しくなり、ワレ等の塗膜欠陥が生じる
ので好ましくない。また造膜温度が２５℃を越えると、
同様にワレ等の塗膜欠陥が生じ易くなるので好ましくな
い。The re-emulsifying type powder resin (A) has a glass transition temperature of 30 ° C. or less, preferably -50 to 20 ° C., and a minimum film-forming temperature of 25 after re-emulsification.
C. or lower, preferably -10 to 20C. When the glass transition temperature exceeds 30 ° C., the elasticity of the resulting heat-insulating coating film becomes poor, and coating defects such as cracks occur, which is not preferable. When the film formation temperature exceeds 25 ° C,
Similarly, coating defects such as cracks are likely to occur, which is not preferable.
【０００８】本発明において樹脂発泡体粒子（Ｂ）とし
ては、例えば発泡ポリスチレン粒子、発泡ポリエチレン
粒子、発泡ポリプロピレン粒子、発泡ポリウレタン粒子
などの樹脂発泡体粒子、及びこれら樹脂発泡体粒子に種
々公知の表面処理が施されたものが挙げられる。該樹脂
発泡体粒子（Ｂ）としては、熱伝導率０．０２〜０．１
ｋｃａｌ／ｍ・ｈ・℃、好ましくは０．０２〜０．０８
ｋｃａｌ／ｍ・ｈ・℃で、かさ密度０．０２〜０．５ｇ
／ｃｃ、好ましくは０．０２〜０．１ｇ／ｃｃ、粒子径
０．２〜８ｍｍ、好ましくは０．５〜５ｍｍの粒子であ
ることが望ましい。またこれらは球形、破砕形のいずれ
の形状でもよい。In the present invention, the resin foam particles (B) include, for example, resin foam particles such as expanded polystyrene particles, expanded polyethylene particles, expanded polypropylene particles and expanded polyurethane particles, and various known surfaces of these resin expanded particles. Those that have been subjected to a treatment are listed. The thermal conductivity of the resin foam particles (B) is 0.02 to 0.1.
kcal / m · h · ° C., preferably 0.02 to 0.08
At kcal / m · h · ° C., bulk density 0.02 to 0.5 g
/ Cc, preferably 0.02 to 0.1 g / cc, and a particle size of 0.2 to 8 mm, preferably 0.5 to 5 mm. They may be spherical or crushed.
【０００９】上記樹脂発泡体粒子（Ｂ）の配合量は、前
記再乳化型粉末樹脂（Ａ）／樹脂発泡体粒子（Ｂ）の固
形分体積比が１００／５０〜１００／８００、好ましく
は１００／１００〜１００／６００となるよう含有す
る。上記樹脂発泡体粒子（Ｂ）の配合量がこれより少な
いと、得られる塗膜の断熱性、遮音性、厚膜性が不十分
となり、多いとバインダ−分が少なくなり塗膜強度が低
下するので好ましくない。The mixing amount of the resin foam particles (B) is such that the solid content volume ratio of the re-emulsifying type powder resin (A) / resin foam particles (B) is 100/50 to 100/800, preferably 100. / 100 to 100/600. If the amount of the resin foam particles (B) is less than this, the heat insulation, sound insulation and thick film properties of the resulting coating film become insufficient, and if it is too large, the binder content decreases and the coating film strength decreases. It is not preferable.
【００１０】本発明においてセメント（Ｃ）としては、
一般的なセメントでよく、例えばポルトランドセメン
ト、白色セメント、高炉セメント、アルミナセメントな
どが使用でき、特にポルトランドセメントが好適であ
る。また該セメントには、塗膜乾燥後の塗面にヒビワレ
が生じるのを防止するために、必要に応じて合成樹脂繊
維、軽量骨材、保水剤などの添加剤を混合してもよい。In the present invention, as the cement (C),
General cement may be used, for example, Portland cement, white cement, blast furnace cement, alumina cement, etc., with Portland cement being particularly preferred. If necessary, additives such as synthetic resin fibers, lightweight aggregates, and water retention agents may be added to the cement in order to prevent cracks on the coated surface after the coating film is dried.
【００１１】該合成樹脂繊維としては、例えばビニロン
樹脂、ポリエチレン、ポリプロピレン、ポリエステル、
アクリル樹脂、塩化ビニリデン系樹脂等が挙げられ、こ
れらのうちアスペクト比１００〜４００、繊維長２〜１
２ｍｍのビニロン樹脂が好適である。該合成樹脂繊維
は、セメント１００重量部に対して０．１〜２重量部配
合するのが適当である。The synthetic resin fibers include, for example, vinylon resin, polyethylene, polypropylene, polyester,
Acrylic resin, vinylidene chloride-based resin and the like can be mentioned. Among them, aspect ratio 100 to 400, fiber length 2-1
A 2 mm vinylon resin is preferred. The synthetic resin fiber is suitably blended in an amount of 0.1 to 2 parts by weight based on 100 parts by weight of cement.
【００１２】該軽量骨材としては、例えばパ−ライト、
シラスバル−ン、発泡ガラス球、ひる石、石灰砂、上記
樹脂発泡体粒子（Ｂ）で列記のものなどが挙げられる。
該軽量骨材は、セメント１００重量部に対して５〜５０
重量部配合するのが適当である。As the lightweight aggregate, for example, perlite,
Shirasu balloon, expanded glass spheres, vermiculite, lime sand, and the above-mentioned resin foam particles (B) are listed.
The lightweight aggregate is 5 to 50 parts per 100 parts by weight of cement.
It is appropriate to mix by weight.
【００１３】該保水剤としては、例えばメチルセルロ−
ス、ヒドロキシエチルセルロ−ス、スタ−チエ−テル、
ポリビニルアルコ−ルなどが挙げられる。該保水剤は、
セメント１００重量部に対して０．１〜２重量部配合す
るのが適当である。As the water retention agent, for example, methylcellulo-
, Hydroxyethyl cellulose, starch,
Polyvinyl alcohol and the like. The water retention agent is
It is appropriate to mix 0.1 to 2 parts by weight with respect to 100 parts by weight of cement.
【００１４】上記セメント（Ｃ）の配合量は、前記再乳
化型粉末樹脂（Ａ）／セメント（Ｃ）の固形分体積比が
１００／２〜１００／８０、好ましくは１００／５〜１
００／５０となるよう含有する。この範囲外で（Ｃ）が
少ないと塗膜強度が低下し難燃性が損なわれ、多いと塗
膜の柔軟性が低下しヒビワレに追随しなくなるので好ま
しくない。The mixing amount of the cement (C) is such that the solid content volume ratio of the re-emulsifying powder resin (A) / cement (C) is 100/2 to 100/80, preferably 100/5 to 1/80.
It is contained so as to be 00/50. If the content of (C) is less than this range, the strength of the coating film is reduced and the flame retardancy is impaired. If the content is too large, the flexibility of the coating film is lowered and the film cannot follow cracks, which is not preferable.
【００１５】本発明の断熱塗料は、上記（Ａ）、（Ｂ）
及び（Ｃ）成分からなる粉末組成物であり、必要に応じ
て、従来公知の顔料や骨材を配合してもよい。顔料とし
ては、例えば酸化チタン、カ−ボンブラック、フタロシ
アニンブル−、酸化鉄などの着色顔料；クレ−、タル
ク、マイカ、シリカ、炭酸カルシウム、水酸化アルミニ
ウムなどの体質顔料などが挙げられ、骨材としては、例
えばパ−ライト、火山れき、バ−ミキュライト焼成物な
どの無機の微細発泡体、シラスバル−ン、ガラスバル−
ン、シリカバル−ンなどの微細中空発泡体等が挙げられ
る。The heat-insulating paint of the present invention comprises the above (A) and (B)
And a powder composition comprising the component (C) and, if necessary, a conventionally known pigment or aggregate. Examples of the pigment include coloring pigments such as titanium oxide, carbon black, phthalocyanine blue, and iron oxide; extender pigments such as clay, talc, mica, silica, calcium carbonate, and aluminum hydroxide. Examples thereof include inorganic fine foams such as pearlite, volcanic rubble, and burned vermiculite, shirasu balloon, glass balloon.
And fine hollow foams such as silica balloon.
【００１６】本発明の断熱塗料には、さらに必要に応じ
て造膜助剤、増粘剤、消泡剤、分散剤、安定剤、減水
剤、硬化促進剤、流動化剤、空気連行剤、遅延剤、保水
剤、難燃化剤、繊維状物質などを添加することができ
る。The heat-insulating coating composition of the present invention may further comprise a film-forming aid, a thickener, a defoaming agent, a dispersant, a stabilizer, a water reducing agent, a curing accelerator, a fluidizing agent, an air entraining agent, if necessary. Retardants, water retention agents, flame retardants, fibrous substances and the like can be added.
【００１７】このうち、繊維状物質は塗膜の乾燥を速め
塗膜強度を向上させるために使用され、例えば硫酸マグ
ネシウム、ポリエチレン、パルプ、炭酸マグネシウム、
炭酸カルシウム、ナイロン、ビニロン、ガラス繊維、炭
素繊維などが例示でき、特に無機系の繊維状物質は難燃
化にも寄与しうるものである。該繊維状物質の配合割合
は、通常、樹脂（Ａ）の固形分重量に対して５重量％以
下が適当である。Among them, fibrous substances are used to speed up drying of the coating film and improve the strength of the coating film. For example, magnesium sulfate, polyethylene, pulp, magnesium carbonate,
Examples thereof include calcium carbonate, nylon, vinylon, glass fiber, and carbon fiber. In particular, an inorganic fibrous substance can contribute to flame retardancy. Usually, the proportion of the fibrous substance is suitably 5% by weight or less based on the weight of the solid content of the resin (A).
【００１８】上記の通り得られる粉末状組成物に、使用
直前に所定量の水を配合し水分散して本発明の断熱塗料
を得るものである。該断熱塗料は、基材面に塗装され断
熱塗膜が形成される。該断熱塗膜のみで仕上げとしても
良いし、さらに該塗膜上に上塗り塗装を行なってもよ
い。The heat-insulating coating composition of the present invention is obtained by adding a predetermined amount of water to the powdery composition obtained as described above and dispersing it in water immediately before use. The heat-insulating paint is applied to the substrate surface to form a heat-insulating coating. Finishing may be performed only with the heat-insulating coating film, or overcoating may be performed on the coating film.
【００１９】得られる断熱塗膜は、その熱伝導率が０．
３Ｋｃａｌ／ｍ・ｈ・℃以下、好ましくは０．２Ｋｃａ
ｌ／ｍ・ｈ・℃以下、さらに好ましくは０．１５Ｋｃａ
ｌ／ｍ・ｈ・℃以下であることが適当である。塗膜の熱
伝導率が０．３Ｋｃａｌ／ｍ・ｈ・℃を越えると断熱性
が不十分となるので好ましくない。The obtained heat-insulating coating has a thermal conductivity of 0.1.
3 Kcal / m · h · ° C. or less, preferably 0.2 Kcal
1 / m · h · ° C. or less, more preferably 0.15 Kca
Suitably, it is 1 / m · h · ° C. or less. When the thermal conductivity of the coating film exceeds 0.3 Kcal / m · h · ° C., the heat insulating property becomes insufficient, which is not preferable.
【００２０】上記基材としては、コンクリ−ト、モルタ
ル、スレ−ト；陶磁器、タイル等のセラミック類；プラ
スチック、木材、石材、金属などの素材面や、これら素
材上に設けられたアクリル樹脂系、アクリルウレタン樹
脂系、ポリウレタン樹脂系、フッ素樹脂系、シリコンア
クリル樹脂系、酢酸ビニル樹脂系などの旧塗膜面が挙げ
られ、これらはそれぞれ適宜素地調整を行っておくこと
が望ましい。該基材面に上記断熱塗料を直接塗装するこ
ともできるが、付着性の面から、例えばアクリル樹脂
系、塩化ビニル樹脂系、酢酸ビニル樹脂系、エポキシ樹
脂系、塩化ゴム系などのシ−ラ−やプライマ−層を予め
基材面に設けておいてもよい。Examples of the substrate include concretes, mortars, and slates; ceramics such as ceramics and tiles; materials such as plastics, woods, stones, and metals, and acrylic resin-based materials provided on these materials. And an old urethane resin-based, polyurethane resin-based, fluorine resin-based, silicon acrylic resin-based, and vinyl acetate resin-based old coating film surface. The heat-insulating paint may be applied directly to the substrate surface. -Or a primer layer may be provided in advance on the substrate surface.
【００２１】上記断熱塗料の塗装は、例えば吹き付け、
流し込み、コテ塗り、ロ−ラ−、刷毛など従来公知の方
法で行うことができる。基材面上に形成される断熱塗膜
の膜厚は、要求される断熱性能によって適宜選択でき、
通常３〜１０ｍｍ程度が適当である。The above-mentioned heat-insulating paint is applied by, for example, spraying,
It can be carried out by a conventionally known method such as pouring, ironing, rolling, and brushing. The thickness of the heat-insulating coating film formed on the substrate surface can be appropriately selected depending on the required heat-insulating performance,
Usually, about 3 to 10 mm is appropriate.
【００２２】さらに上記断熱塗膜上に上塗り塗装を行な
う場合には、上塗り塗装として、断熱塗膜との付着や
中塗塗膜の機能、仕上り面の着色や光沢の付与、耐候
性、耐水性、耐汚染性等の付与、の両方を目的として、
のための下地調整材を塗装後にのための上塗り塗料
を塗装するか、の両方を備えた上塗り塗料を塗装す
ることができ、またのための上塗り塗料のみを塗装し
てもよい。Further, when a top coat is applied on the above-mentioned heat-insulating coating film, as the top coating film, adhesion to the heat-insulating coating film, the function of the intermediate coating film, coloring and gloss of the finished surface, weather resistance, water resistance, For both the purpose of imparting stain resistance and the like,
After applying the undercoating adjusting material, a topcoat paint may be applied, or both may be applied with a topcoat paint, or only the topcoat paint may be applied.
【００２３】このの機能を付与するために、またの
みを塗装する場合においても、断熱塗膜上に塗られる塗
料が、形成塗膜の伸び率が２０℃雰囲気で２０％以上の
弾性塗料であることが好ましい。ここで塗膜の伸び率
は、恒温槽付万能引張試験機（島津製作所製。オ−トグ
ラフＡＧ２０００Ｂ型）を用い、２０℃において引張速
度２００ｍｍ／分で測定したときの値であり、測定に使
用する試料はＪＩＳ−Ａ−６９０９に従って作成したも
のである。In order to provide this function, even when only the coating is applied, the coating applied on the heat-insulating coating is an elastic coating having an elongation of 20% or more at 20 ° C. atmosphere in the coating. Is preferred. Here, the elongation percentage of the coating film is a value measured at a pulling speed of 200 mm / min at 20 ° C. using a universal tensile tester equipped with a thermostat (manufactured by Shimadzu Corporation; Autograph AG2000B type). The sample to be prepared was prepared in accordance with JIS-A-6909.
【００２４】伸び率が２０％未満では、断熱塗膜との弾
性の差によって上塗り塗膜表面に経時でワレやハガレが
生じるので好ましくない。If the elongation is less than 20%, the surface of the overcoat film is undesirably cracked or peeled over time due to the difference in elasticity with the heat-insulating coating film.
【００２５】また断熱塗膜が、例えば発泡ポリスチレン
粒子のように耐溶剤性の非常に低い成分を含む場合に
は、断熱塗膜上に直接塗られる塗料は水系塗料であるこ
とが好ましい。When the heat insulating coating contains a very low solvent resistance component such as expanded polystyrene particles, the coating applied directly on the heat insulating coating is preferably an aqueous coating.
【００２６】上記の機能のみを付与する下地調整材と
しては、断熱塗膜上に中塗り塗料の機能を有する微弾性
塗材であり、形成塗膜の伸び率が２０℃雰囲気で２０〜
１００％であることが望ましい。例えば反応硬化型のア
クリル系エマルション等の合成樹脂エマルション系やポ
リマ−セメント系などの塗材が挙げられる。The base adjustment material imparting only the above-mentioned functions is a microelastic coating material having a function of an intermediate coating on a heat-insulating coating film.
Desirably, it is 100%. For example, a coating material such as a synthetic resin emulsion such as a reaction-curable acrylic emulsion or a polymer-cement is used.
【００２７】上記のための上塗り塗料としては、特に
制限なく従来公知の仕上り面の着色や光沢の付与、また
高耐候性、耐水性、耐汚染性などを付与しうる水系又は
有機溶剤系の塗料が適用でき、例えば、アクリル樹脂、
アクリル・ウレタン樹脂、ポリウレタン樹脂、フッ素樹
脂、シリコン・アクリル樹脂などを主成分とし、顔料類
や塗料用添加剤等を含有するものが挙げられる。The above-mentioned topcoat paint is not particularly limited, and is a water-based or organic solvent-based paint capable of imparting coloring and gloss of a finished surface and imparting high weather resistance, water resistance, stain resistance and the like. Can be applied, for example, acrylic resin,
A main component is an acrylic / urethane resin, a polyurethane resin, a fluororesin, a silicone / acrylic resin, or the like, and a pigment or a paint additive.
【００２８】またの両方を備えた上塗り塗料として
は、例えばアクリルラテックスやゴムラテックス等の断
熱塗材の説明で述べた（Ａ）成分と同様の樹脂エマルシ
ョンを主成分とし、顔料類や塗料用添加剤等を含有し、
これらを水に分散させてなるもので、形成塗膜の伸び率
が２０℃雰囲気で１００〜７００％を示す厚膜形弾性上
塗り塗料などが挙げられる。該上塗り塗料は単層形や複
層形のいずれであってもよい。該上塗り塗料の塗装の前
に、断熱塗膜との付着向上のために必要に応じてシ−ラ
−を塗装してもよい。The top coat having both of them is mainly composed of the same resin emulsion as the component (A) described in the description of the heat-insulating coating material such as acrylic latex or rubber latex, and includes pigments and additives for paint. Agent, etc.,
These are obtained by dispersing them in water, and examples thereof include a thick film type elastic overcoating material having an elongation percentage of a formed coating film of 100 to 700% in a 20 ° C atmosphere. The overcoat may be either a single-layer type or a multi-layer type. Prior to the application of the top coat, a sealer may be applied as necessary to improve the adhesion to the heat insulating coating.
【００２９】これらの上塗り塗装系の中で断熱性、経済
性等の点からは特にの両方を備えた厚膜形弾性塗
料、特に単層形の厚膜形弾性塗料を用いるのが好適であ
る。Among these overcoating systems, it is preferable to use a thick-film elastic paint having both of them, particularly a single-layer thick-film elastic paint, from the viewpoints of heat insulation and economy. .
【００３０】上記上塗り塗料の塗装は、スプレ−、ロ−
ラ−、刷毛などの方法で、２００〜３，０００ｇ／ｍ2
の範囲の塗布量が適している。[0030] The above top coat is applied by spraying, ro
200 to 3,000 g / m 2 by a method such as brushing or brushing.
Is suitable.
【００３１】[0031]
【実施例】以下、実施例を挙げて本発明をさらに詳細に
説明する。EXAMPLES Hereinafter, the present invention will be described in more detail with reference to examples.
【００３２】実施例１〜４及び比較例１〜４ 表１に示す成分を配合し、混合・粉砕して各粉末状組成
物を作成した。次いでこれらに所定量の上水を配合し、
撹拌・混合して各断熱塗料を得た。その際の粉末状組成
物と上水との混合性を表１に示す（○は良好、△はやや
混合に時間がかかる、×は混合しにくくかなり時間がか
かる）。尚、表１中における（注１）〜（注９）は下記
の通りである。Examples 1 to 4 and Comparative Examples 1 to 4 The components shown in Table 1 were blended, mixed and pulverized to prepare respective powdery compositions. Next, a predetermined amount of clean water is added to these,
Each heat insulating paint was obtained by stirring and mixing. Table 1 shows the mixing properties of the powdery composition and tap water at this time (（is good, Δ is slightly time-consuming, X is difficult to mix and takes much time). Note that (Note 1) to (Note 9) in Table 1 are as follows.
【００３３】（注１）Ａ−１：「エロテックス５１１／
ＡＰ２００」、カネボウ・エヌエスシ−社製、ガラス転
移温度０℃、造膜温度０℃の酢酸ビニル／ベオバ／アク
リル酸エステル共重合体系再乳化型粉末樹脂 （注２）Ａ−２：「エロテックス１０８０」、カネボウ
・エヌエスシ−社製、ガラス転移温度０℃、造膜温度０
℃の酢酸ビニル／エチレン共重合体系再乳化型粉末樹脂 （注３）発泡ポリスチレン粒子：三菱化学ビ−エイエス
エフ社製、商品名「スチロポ−ルＪＦ」、熱伝導率０．
０３Ｋｃａｌ／ｍ・ｈ・℃、粒子径０．２〜３ｍｍ、か
さ密度０．０２５ｇ／ｃｃの球形粒子、ＪＩＳ Ａ ９
５１１適合品 （注４）増粘剤：「チロ−ゼＭＨ」、ヘキスト合成社
製、メチルセルロ−ス粉末 （注５）消泡剤：「Ｂ−１０７Ｆ」、旭電化社製 （注６）セメント：普通ポルトランドセメント （注７）ビニロン繊維：「ＲＢ−Ｗ２０３」、クラレ社
製 （注８）パ−ライト：「Ａ」、三井金属工業社製 （注９）石灰砂：４号品 上記の通り得られた各断熱塗料をテフロン樹脂被覆鋼板
上に乾燥膜厚で約５ｍｍとなるように吹付け塗装し、２
０℃・６５％ＲＨの恒温恒湿室で７日間乾燥して塗膜を
形成した。次いでテフロン樹脂被覆鋼板より塗膜を引き
剥がし、膜厚約５ｍｍのフリ−塗膜を作成した。このフ
リ−塗膜の熱伝導率を調べた。結果を表１に示す。(Note 1) A-1: "Erotex 511 /
AP200 ", a vinyl acetate / veova / acrylate copolymer re-emulsifiable powder resin having a glass transition temperature of 0 ° C and a film-forming temperature of 0 ° C, manufactured by Kanebo NS Co., Ltd. (Note 2) A-2:" Erotex 1080 "Kanebo NS, glass transition temperature 0 ° C, film formation temperature 0
3 ° C vinyl acetate / ethylene copolymer re-emulsifying powder resin (Note 3) Expanded polystyrene particles: trade name “Styropol JF”, manufactured by Mitsubishi Chemical BISF, with a thermal conductivity of 0.
Spherical particles having a particle size of 0.2 to 3 mm and a bulk density of 0.025 g / cc, JIS A9
511 compliant product (Note 4) Thickener: "Tylose MH", manufactured by Hoechst Gosei Co., Ltd., methylcellulose powder (Note 5) Defoamer: "B-107F", manufactured by Asahi Denka Co., Ltd. (Note 6) Cement : Ordinary Portland cement (Note 7) Vinylon fiber: "RB-W203", manufactured by Kuraray (Note 8) Perlite: "A", manufactured by Mitsui Kinzoku Kogyo (Note 9) Lime sand: No. 4 product Each of the obtained heat-insulating paints is spray-coated on a Teflon resin-coated steel sheet so as to have a dry film thickness of about 5 mm.
The film was dried in a thermo-hygrostat at 0 ° C. and 65% RH for 7 days to form a coating film. Next, the coating film was peeled off from the Teflon resin-coated steel sheet to form a free coating film having a thickness of about 5 mm. The thermal conductivity of this free coating film was examined. Table 1 shows the results.
【００３４】また２００×３００×３．２ｍｍのスレ−
ト板上に、上記の通り得られた各断熱塗料を上水でさら
に１０，０００〜２０，０００ｃｐｓとなるよう粘度調
整して、乾燥膜厚で約５ｍｍとなるように吹付け塗装
し、２０℃・６５％ＲＨの恒温恒湿室で７日間乾燥して
塗膜を形成した。実施例の各塗料は平滑な仕上げだけで
なくリシン状仕上げが可能であった。次いで各断熱塗料
及び得られた試験塗板を下記性能試験に供した。結果を
表１に示す。A 200 × 300 × 3.2 mm thread
Each of the heat-insulating paints obtained as described above was further adjusted with tap water to a viscosity of 10,000 to 20,000 cps, and spray-coated to a dry film thickness of about 5 mm on a plate. The film was dried in a thermo-hygrostat at 65 ° C. and 65% RH for 7 days to form a coating film. Each of the paints of the examples was capable of a lysine-like finish as well as a smooth finish. Next, each of the heat insulating paints and the obtained test coated plates were subjected to the following performance tests. Table 1 shows the results.
【００３５】（＊１）熱伝導率（Ｋｃａｌ／ｍ・ｈ・
℃）：フリ−塗膜を７０×１５０ｍｍに切断したものを
試料として、「ＫｅｍｔｈｅｒｍＱＴＭ−Ｄ３」（京都
電子工業社製）を用いて測定した。(* 1) Thermal conductivity (Kcal / m · h ·
° C): It measured using "Kemtherm QTM-D3" (manufactured by Kyoto Electronics Industry Co., Ltd.) as a sample obtained by cutting a free coating film into 70 x 150 mm.
【００３６】（＊２）吹付け作業性：各断熱塗料につい
て、リシンガン、タイルガン、スタッコガン、多用ガン
を夫々用いて塗装作業性を調べた。○は全てのガンで問
題なく吹付けできる、◇は塗料の微粒化がやや劣る、△
は塗料の微粒化が悪く作業時間がかかる、×は吹付けで
きない、を夫々示す。(* 2) Spraying workability: The coating workability of each heat-insulating paint was examined using a ricin gun, a tile gun, a stucco gun, and a heavy gun. ○ can be sprayed without any problem with all guns, △ has slightly poor atomization of paint, △
Indicates that the atomization of the paint is poor and the working time is required, and X indicates that spraying cannot be performed.
【００３７】（＊３）塗膜状態：各試験塗板の乾燥後の
塗膜表面の状態を目視で観察した。○は異常なし、△は
小さなワレがあり、×は大きなワレがあり、を夫々示
す。(* 3) State of coating film: The state of the coating film surface after drying of each test coated plate was visually observed.は indicates no abnormality, △ indicates small cracks, and × indicates large cracks.
【００３８】（＊４）自己消火性：各試験塗板を、塗膜
面を下に向けて４５度の角度に設置し、下からロウソク
の炎で加熱した。ロウソクの炎が３〜４ｃｍでその先１
ｃｍ程が塗膜にかかるように設定した。加熱時間に対し
て加熱後に自己消火可能かどうかを調べ、消火可能な最
大加熱時間で自己消火性を評価した。◎は２分以上、○
は１分以上２分未満、△は３０秒以上１分未満、×は３
０秒未満、を夫々示す。 （＊５）付着力：スレ−ト板に対する付着力（ｋｇ／ｃ
ｍ2 ）を、ＪＩＳ Ａ−６９０９の方法に従って引張り
試験機を用いて測定した。(* 4) Self-extinguishing property: Each test coated plate was placed at an angle of 45 degrees with the coated surface facing downward, and heated with a candle flame from below. Candle flame is 3-4cm and it is 1
cm was set so as to cover the coating film. It was examined whether self-extinguishing was possible after heating with respect to the heating time, and the self-extinguishing property was evaluated using the maximum extinguishing heating time. ◎ is 2 minutes or more, ○
Is 1 minute or more and less than 2 minutes, Δ is 30 seconds or more and less than 1 minute, × is 3
Less than 0 seconds. (* 5) Adhesion: Adhesion to slate plate (kg / c)
m 2 ) was measured using a tensile tester according to the method of JIS A-6909.
【００３９】[0039]
【表１】 [Table 1]
【００４０】塗装試験 スレ−ト板上に、上記各粉末状組成物に上水を混合して
断熱塗料を作成し１５，０００〜３０，０００ｃｐｓに
粘度調整して、塗布量約５ｋｇ／ｍ2 となるように吹付
け塗装し、２０℃・６５％ＲＨの恒温恒湿室で１日間放
置後、この上に表２に示す上塗り塗装の組み合せ及び順
序で各上塗り塗料を同表に示す塗布量で塗装し、２０℃
・６５％ＲＨの恒温恒湿室で７日間乾燥して塗装板を得
た。尚、比較試験例３はスレ−ト板上にシ−ラ−を塗布
した上に、比較試験例４はスレ−ト板上に、夫々、断熱
塗料を塗装せず直接表２に示す上塗り塗装を行なった。Coating test On a slate plate, water-insoluble water was mixed with each of the above powdery compositions to prepare a heat insulating paint, and the viscosity was adjusted to 15,000 to 30,000 cps, and the coating amount was about 5 kg / m 2. Spray-painted so as to obtain and left in a constant temperature and humidity room at 20 ° C. and 65% RH for 1 day. Then, apply each of the top-coating paints in the combination and order of the top-coating shown in Table 2 in this table. Painted at 20 ℃
-The coated plate was dried by drying in a constant temperature and humidity room of 65% RH for 7 days. In Comparative Test Example 3, a sealer was applied on a slate plate, and in Comparative Test Example 4, a top coat shown in Table 2 was directly applied to the slate plate without applying a heat insulating paint. Was performed.
【００４１】表２に示す上塗り塗料ａ〜ｎは下記の通り
である。The top coatings a to n shown in Table 2 are as follows.
【００４２】ａ．「アレスホルダ−ＧII」：水性下地調
整材、関西ペイント社製、商品名、形成塗膜の伸び率６
０％ ｂ．「アレスアクアビルド」：水性厚膜形単層弾性上塗
り塗料、低汚染形、関西ペイント社製、商品名、形成塗
膜の伸び率３５０％ ｃ．「アレスゴムタイルラフ」：アクリルゴム系複層用
主材、防水形、関西ペイント社製、商品名、形成塗膜の
伸び率３００％ ｄ．「アレスタイルラフ」：アクリル樹脂系複層用主
材、防水形、関西ペイント社製、商品名、形成塗膜の伸
び率１％ ｅ．「アレスセラレタン」：溶剤形アクリルウレタン樹
脂系上塗り塗料、シリケ−ト配合による非汚染形、関西
ペイント社製、商品名、形成塗膜の伸び率３０％ ｆ．「アクアクアレタン」：水性アクリルウレタン樹脂
系上塗り塗料、関西ペイント社製、商品名、形成塗膜の
伸び率１００％ ｇ．「アレスゴムタイルトップＵ」：溶剤形アクリルウ
レタン樹脂系クリヤ−塗料、柔軟形、関西ペイント社
製、商品名、形成塗膜の伸び率２００％ ｈ．「アレスアクアグロス」：水性アクリル樹脂系上塗
り塗料、関西ペイント社製、商品名、形成塗膜の伸び率
１２０％ ｉ．「アレスアクアシリコンＡＣ」：水性アクリルシリ
コン樹脂系上塗り塗料、関西ペイント社製、商品名、形
成塗膜の伸び率１５０％ ｊ．「オ−デフレシュＦ−１００」：水性フッ素樹脂系
上塗り塗料、日本ペイント社製、商品名 ｋ．「アレスアクアビルドデコ」：水性厚膜形単層弾性
上塗り塗料（玉吹き用）、低汚染形、関西ペイント社
製、商品名、形成塗膜の伸び率３５０％ ｌ．「アレスセラマイルドレタン」：タ−ペン可溶ポリ
ウレタン樹脂系上塗り塗料、関西ペイント社製、商品
名、形成塗膜の伸び率４０％ ｍ．「アレスセラマイルド」：タ−ペン可溶アクリル樹
脂系上塗り塗料、関西ペイント社製、商品名、形成塗膜
の伸び率８０％ ｎ．「アレスセラフッソ」：溶剤形非水分散形フッ素樹
脂系上塗り塗料、関西ペイント社製、商品名、形成塗膜
の伸び率１００％ 次いで得られた塗装板を下記性能試験に供した。結果を
表２に示す。A. "ARETH HOLDER-GII": water-based base conditioner, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 6
0% b. "Ales Aqua Build": water-based thick film type single-layer elastic overcoat, low-staining type, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 350% c. "Ales rubber tile rough": acrylic rubber-based multilayer material, waterproof type, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 300% d. "Are style rough": main material for acrylic resin-based multi-layer, waterproof type, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 1% e. "Aressellaretan": Solvent type acrylic urethane resin-based top coating, non-staining type with silicate compound, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 30% f. "Aqua Aquaretane": Water-based acrylic urethane resin-based top coating, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 100% g. "Ales Rubber Tile Top U": Solvent type acrylic urethane resin-based clear paint, flexible type, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 200% h. "Ales Aqua Gloss": water-based acrylic resin top coating, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 120% i. "Ares Aqua Silicone AC": water-based acrylic silicone resin-based overcoat, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 150% j. "O-defresh F-100": water-based fluororesin top coat, manufactured by Nippon Paint Co., Ltd., k. "Ares Aqua Build Deco": Water-based thick film type single-layer elastic overcoat (for ball blowing), low contamination type, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 350% l. "Arescela mild urethane": Tar-pen soluble polyurethane resin-based overcoat, manufactured by Kansai Paint Co., Ltd., trade name, elongation of formed coating 40% m. "Ales Cera Mild": Tar-pen soluble acrylic resin top coating, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 80% n. "Ales Serafusso": Solvent type non-aqueous dispersion type fluororesin top coat, manufactured by Kansai Paint Co., Ltd., trade name, elongation percentage of formed coating film 100%. Next, the obtained coated plate was subjected to the following performance tests. Table 2 shows the results.
【００４３】（＊６）熱伝導率（Ｋｃａｌ／ｍ・ｈ・
℃）：テフロン樹脂被覆鋼板上に各断熱塗材及び上塗り
塗装を各例に従って上記の通り塗装し、２０℃・６５％
ＲＨの恒温恒湿室で７日間乾燥して塗膜を形成した。次
いでテフロン樹脂被覆鋼板より塗膜を引き剥がし、各フ
リ−塗膜を作成した。このフリ−塗膜を７０×１５０ｍ
ｍに切断して試料とし、「ＫｅｍｔｈｅｒｍＱＴＭ−Ｄ
３」（京都電子工業社製）を用いて測定した。(* 6) Thermal conductivity (Kcal / m · h ·
° C): Each of the heat-insulating coating materials and the topcoat is applied on a Teflon resin-coated steel sheet according to each example as described above.
The film was dried in a constant temperature and humidity room of RH for 7 days to form a coating film. Next, the coating film was peeled off from the Teflon resin-coated steel sheet to prepare each free coating film. 70 × 150 m
m and cut into a sample, and “KemthermQTM-D
3 "(manufactured by Kyoto Electronics Industry Co., Ltd.).
【００４４】（＊７）塗膜状態：各塗装板の上塗り塗装
後の塗膜表面の状態を目視で観察した。○は異常なし、
×はワレやチジミなどの欠陥あり、を示す。(* 7) State of coating film: The state of the surface of the coating film after the top coat of each coated plate was visually observed. ○ indicates no abnormality,
× indicates that there is a defect such as cracks or blemishes.
【００４５】（＊８）耐汚れ性：各塗装板を平塚市内で
南面に向って、塗面を上に傾斜角３０度にして６カ月屋
外放置した後の塗膜表面の汚れを目視観察した。◎は殆
ど汚れがない、○は僅かに汚れが認められる、△は汚れ
が認められる、×は汚れが著しい、を示す。(* 8) Stain resistance: Each coated plate was faced to the south in Hiratsuka city, the coated surface was upwardly inclined at an angle of 30 degrees, and the coated film surface was visually observed after being left outdoors for 6 months. did. ◎ indicates almost no stain, ○ indicates slight stain, Δ indicates stain, and X indicates significant stain.
【００４６】（＊９）耐候性：サンシャインウエザーオ
メーターを用いて、１０００時間試験後の塗膜状態を目
視観察した。○は、塗膜面にワレ・ハガレ、フクレが認
められない、△は、塗膜面にワレ・ハガレ、フクレは認
められないが光沢低下が認められる、×は、塗膜面にワ
レ・ハガレフクレが認められる、を示す。(* 9) Weather resistance: The state of the coating film after the test for 1000 hours was visually observed using a sunshine weather ometer. ○ indicates no cracks or peeling on the surface of the coating film, Δ indicates no cracks or peeling on the surface of the coating film, but a decrease in gloss is recognized, and × indicates cracking or peeling on the coating film surface. Is observed.
【００４７】（＊１０）自己消火性：各試験塗板を、塗
膜面を下に向けて４５度の角度に設置し、下からロウソ
クの炎で加熱した。ロウソクの炎が３〜４ｃｍでその先
１ｃｍ程が塗膜にかかるように設定した。加熱時間に対
して加熱後に自己消火可能かどうかを調べ、消火可能な
最大加熱時間で自己消火性を評価した。◎は２分以上、
○は１分以上２分未満、△は３０秒以上１分未満、×は
３０秒未満、を夫々示す。(* 10) Self-extinguishing property: Each test coated plate was placed at an angle of 45 degrees with the coated surface facing downward, and heated with a candle flame from below. The flame of the candle was set to be 3 to 4 cm, and about 1 cm beyond the flame was applied to the coating film. It was examined whether self-extinguishing was possible after heating with respect to the heating time, and the self-extinguishing property was evaluated using the maximum extinguishing heating time. ◎ is 2 minutes or more,
は indicates 1 minute or more and less than 2 minutes, Δ indicates 30 seconds or more and less than 1 minute, and X indicates less than 30 seconds.
【００４８】[0048]
【発明の効果】本発明によれば、再乳化型粉末樹脂、樹
脂発泡体粒子及びセメントを含有する粉末塗料が、１パ
ックで貯蔵でき、現場での作業性に優れ、しかも断熱
性、消音性に優れた塗膜を形成できる。According to the present invention, a powder coating containing a re-emulsifying powder resin, resin foam particles and cement can be stored in one pack, has excellent workability on site, and has heat insulation and sound deadening properties. Excellent coating film can be formed.
【００４９】[0049]
【表２】 [Table 2]
Claims (1)
泡体粒子、及び（Ｃ）セメントを、（Ａ）／（Ｂ）の固
形分体積比が１００／５０〜１００／８００で、且つ
（Ａ）／（Ｃ）の固形分体積比が１００／２〜１００／
８０となるよう含有してなる粉末状組成物に、水を使用
時に配合し水分散することを特徴とする断熱塗料。1. A method according to claim 1, wherein (A) the re-emulsifiable powder resin, (B) the resin foam particles, and (C) the cement, wherein the solid content volume ratio of (A) / (B) is 100/50 to 100/800. And the solid content volume ratio of (A) / (C) is 100/2 to 100 /
80. A heat-insulating coating, characterized in that water is added to a powdery composition contained so as to be 80 when used and dispersed in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3309498A JPH11228863A (en) | 1998-02-16 | 1998-02-16 | Heat insulating coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3309498A JPH11228863A (en) | 1998-02-16 | 1998-02-16 | Heat insulating coating material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11228863A true JPH11228863A (en) | 1999-08-24 |
Family
ID=12377089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3309498A Pending JPH11228863A (en) | 1998-02-16 | 1998-02-16 | Heat insulating coating material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11228863A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344713C (en) * | 2006-03-29 | 2007-10-24 | 常熟市蓝都弹性涂料有限公司 | Bicomponent cement base polystyrene foamed particle heat insulation paint |
| JP2015101512A (en) * | 2013-11-26 | 2015-06-04 | 太平洋マテリアル株式会社 | Outer wall structure for single-family housing and construction method thereof |
| JP2020066672A (en) * | 2018-10-24 | 2020-04-30 | アイカ工業株式会社 | Aqueous coating material composition and jointless finishing construction method of exterior wall by using the same |
-
1998
- 1998-02-16 JP JP3309498A patent/JPH11228863A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344713C (en) * | 2006-03-29 | 2007-10-24 | 常熟市蓝都弹性涂料有限公司 | Bicomponent cement base polystyrene foamed particle heat insulation paint |
| JP2015101512A (en) * | 2013-11-26 | 2015-06-04 | 太平洋マテリアル株式会社 | Outer wall structure for single-family housing and construction method thereof |
| JP2020066672A (en) * | 2018-10-24 | 2020-04-30 | アイカ工業株式会社 | Aqueous coating material composition and jointless finishing construction method of exterior wall by using the same |
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