JPH10152648A - High-buildup elastic heat-insulation coating material and work of heat insulation coating therewith - Google Patents
High-buildup elastic heat-insulation coating material and work of heat insulation coating therewithInfo
- Publication number
- JPH10152648A JPH10152648A JP8308567A JP30856796A JPH10152648A JP H10152648 A JPH10152648 A JP H10152648A JP 8308567 A JP8308567 A JP 8308567A JP 30856796 A JP30856796 A JP 30856796A JP H10152648 A JPH10152648 A JP H10152648A
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- JP
- Japan
- Prior art keywords
- coating
- film
- resin
- heat
- elastic
- 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.)
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- Application Of Or Painting With Fluid Materials (AREA)
- 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
内外装仕上げに好適な厚膜形弾性断熱塗料及びこれを用
いた塗装断熱工法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paint capable of forming a coating film having heat insulation and sound deadening properties, and more particularly to a thick film type elastic heat insulation paint suitable for interior and exterior finishing of a building wall and coating using the same. Related to thermal insulation method.
【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℃以下の樹脂エマルジョン、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できるが、セ
メント成分を含むために数時間で固まるため、2液貯蔵
を要し必要量をその都度調合する必要があり、材料管理
面でも非常に手間がかかるという問題があった。また、
骨材として無機の骨材を使用した場合には、中空発泡体
が破壊しやすく、そのため断熱性が低下しやすかった。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 contains a cement component, it hardens in a few hours. Therefore, it is necessary to store two liquids, and it is necessary to adjust the required amount each time. There is a problem that it takes time. Also,
When an inorganic aggregate was used as the aggregate, the hollow foam was liable to be broken, so that the heat insulating property was likely to be reduced.
【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、特定性状を有する樹脂
エマルジョン、樹脂発泡体粒子及び顔料を含有する塗材
が断熱性、消音性等に優れた塗膜を形成し得ることを見
出し本発明に到達した。Means for Solving the Problems The present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, the coating material containing the resin emulsion, the resin foam particles and the pigment having the specific properties has a heat insulating property and a sound-deadening property. The present inventors have found that a coating film having excellent properties can be formed, and have reached the present invention.
【0004】即ち本発明は、(A)ガラス転移温度30
℃以下、造膜温度25℃以下である樹脂を水分散化して
なる弾性系樹脂エマルション、及び(B)熱伝導率0.
02〜0.1kcal/m・h・℃で、かさ密度0.0
2〜0.5g/cc、粒子径0.2〜8mmである樹脂
発泡体粒子、及び(C)顔料を、(A)/(B)の固形
分体積比が100/50〜100/500で、且つ
(C)の(A)に対する顔料体積濃度が1〜50%とな
るよう含有する塗材で、該塗材による塗膜の熱伝導率が
0.3Kcal/m・h・℃以下であることを特徴とす
る厚膜形弾性断熱塗材、及び該厚膜形弾性断熱塗材を基
材面に塗装してなる塗装断熱工法を提供するものであ
る。That is, the present invention relates to (A) a glass transition temperature of 30
And an elastic resin emulsion obtained by dispersing a resin having a film forming temperature of 25 ° C. or lower in water, and (B) a thermal conductivity of 0.
At a bulk density of 0.0 to 0.1 kcal / m · h · ° C.
The resin foam particles having a particle size of 2 to 0.5 g / cc and a particle size of 0.2 to 8 mm, and the pigment (C) are prepared by mixing (A) / (B) with a solid content volume ratio of 100/50 to 100/500. And (C) a coating material containing the pigment at a volume concentration of 1 to 50% with respect to (A), wherein the thermal conductivity of the coating film formed from the coating material is 0.3 Kcal / m · h · ° C. or less. It is intended to provide a thick-film elastic heat-insulating coating material characterized by the above-mentioned feature, and a coating heat-insulating method in which the thick-film elastic heat-insulating coating material is applied to a substrate surface.
【0005】以下、本発明について詳細に説明する。Hereinafter, the present invention will be described in detail.
【0006】本発明で使用される弾性系樹脂エマルショ
ン(A)は、ガラス転移温度が30℃以下、好ましくは
−20〜20℃で、造膜温度が25℃以下、好ましくは
−10〜20℃である樹脂を水分散化してなる樹脂エマ
ルションである。[0006] The elastic resin emulsion (A) used in the present invention has a glass transition temperature of 30 ° C or lower, preferably -20 to 20 ° C, and a film forming temperature of 25 ° C or lower, preferably -10 to 20 ° C. Is a resin emulsion obtained by dispersing the resin in water.
【0007】該樹脂としては、例えばアクリル系樹脂、
酢酸ビニル系樹脂、塩化ビニル系樹脂、スチレン・ブタ
ジエン系樹脂、エポキシ系樹脂、アルキド系樹脂、ポリ
エステル系樹脂、シリコン系樹脂、フッ素系樹脂、ポリ
ウレタン系樹脂、アクリルウレタン系樹脂(2液形も含
む)などが挙げられ、これらは単独あるいは2種以上組
み合わせて用いることができる。特に樹脂エマルション
として、非架橋系では(メタ)アクリル酸アルキルエス
テル、スチレン、酢酸ビニル、不飽和酸等より選ばれた
1種又は2種以上のビニルモノマ−を乳化重合してなる
(共)重合体エマルションが好適であり、また架橋系で
はカルボニル基含有アクリル(共)重合体及びヒドラジ
ン化合物を含む架橋型エマルション(例えば、特開平4
−249587号等)や、該エマルションと水性ポリウ
レタン樹脂との併用(例えば、特開平5−339542
号等)が乾燥性等の点から好適である。As the resin, for example, an acrylic resin,
Vinyl acetate resin, vinyl chloride resin, styrene / butadiene resin, epoxy resin, alkyd resin, polyester resin, silicon resin, fluorine resin, polyurethane resin, acrylic urethane resin (including two-pack type) And the like, and these can be used alone or in combination of two or more. Particularly, as a resin emulsion, in the case of a non-crosslinked system, a (co) polymer obtained by emulsion polymerization of one or more vinyl monomers selected from alkyl (meth) acrylate, styrene, vinyl acetate, unsaturated acid and the like. Emulsions are preferred, and in the case of a crosslinked system, a crosslinked emulsion containing a carbonyl group-containing acrylic (co) polymer and a hydrazine compound (see, for example,
And the combined use of the emulsion and an aqueous polyurethane resin (for example, JP-A-5-339542).
Is preferred from the viewpoint of drying properties and the like.
【0008】該樹脂のガラス転移温度が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。If the glass transition temperature of the resin exceeds 30 ° C., the elasticity of the resulting heat-insulating coating film becomes poor, and coating defects such as cracks occur. When the film formation temperature is 25
If the temperature exceeds ℃, coating defects such as cracks are likely to occur.
【0009】また樹脂エマルション(A)は、加熱残分
が50重量%以上となるよう調整されるのが好ましい。
加熱残分が50重量%未満では、断熱塗膜形成時の体積
減少が大きくなり、ワレ等の塗膜欠陥が生じるので好ま
しくない。The resin emulsion (A) is preferably adjusted so that the heating residue is 50% by weight or more.
If the heating residue is less than 50% by weight, the volume decrease during the formation of the heat-insulating coating film becomes large, and coating defects such as cracks occur, which is not preferable.
【0010】本発明で使用される樹脂発泡体粒子(B)
は、熱伝導率0.02〜0.1kcal/m・h・℃、
好ましくは0.02〜0.08kcal/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。具体的には、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。これらは球形、破砕
形のいずれの形状でもよい。該樹脂発泡体粒子(B)
は、熱伝導率が0.1kcal/m・h・℃を越える
と、得られる塗膜の断熱効果が低減するので好ましくな
く、またかさ密度が0.5g/ccを越えると軽量化が
損なわれ厚膜塗布が難しくなり、0.02g/cc未満
では樹脂発泡体粒子が貯蔵中塗液表面に浮き塗液の均一
性が損なわれるので好ましくない。また、粒子径が8m
mを越えると吹付けなどの塗装作業に支障をきたし、
0.2mm未満では樹脂発泡体粒子の表面積が増大する
ため塗料が増粘するので好ましくない。The resin foam particles (B) used in the present invention
Is a thermal conductivity of 0.02 to 0.1 kcal / m · h · ° C.
Preferably 0.02 to 0.08 kcal / m · h · ° C.
The particles have a bulk density of 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. Specific examples include foamed polystyrene particles, foamed polyethylene particles, foamed polypropylene particles, foamed polyurethane, and other resin foam particles, and those obtained by subjecting these resin foam particles to various known surface treatments. These may be spherical or crushed. The resin foam particles (B)
When the thermal conductivity exceeds 0.1 kcal / m · h · ° C., the heat insulating effect of the obtained coating film is reduced, which is not preferable, and when the bulk density exceeds 0.5 g / cc, weight reduction is impaired. Thick film coating becomes difficult, and if it is less than 0.02 g / cc, the resin foam particles float on the surface of the coating liquid during storage, and the uniformity of the coating liquid is undesirably impaired. In addition, the particle diameter is 8 m
If it exceeds m, it will hinder painting work such as spraying,
When the thickness is less than 0.2 mm, the surface area of the resin foam particles increases, and the viscosity of the coating increases, which is not preferable.
【0011】本発明において上記樹脂発泡体粒子(B)
の配合量は、前記樹脂エマルジョン(A)/樹脂発泡体
粒子(B)の固形分体積比が100/50〜100/5
00、好ましくは100/100〜100/450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。In the present invention, the above resin foam particles (B)
The solids volume ratio of the resin emulsion (A) / resin foam particles (B) is 100/50 to 100/5.
00, preferably 100/100 to 100/450. 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.
【0012】本発明で使用される顔料(C)としては、
従来公知のものが使用でき、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
ムなどの体質顔料などが挙げられる。The pigment (C) used in the present invention includes:
Conventionally known pigments can be used, and examples thereof include coloring pigments such as titanium oxide, carbon black, phthalocyanine blue, and iron oxide; extenders such as clay, talc, mica, silica, and calcium carbonate.
【0013】本発明において顔料(C)は、前記樹脂エ
マルジョン(A)に対する顔料体積濃度(以下、「PV
C」と略称することがある)が1〜50%、好ましくは
10〜50%となるよう配合される。ここで「PVC」
は樹脂及び顔料の混合物固形分に占める顔料分の体積割
合(%)であり、(顔料分の体積)/(顔料分の体積+
樹脂固形分の体積)×100なる式から得られるもので
ある。PVCが1%未満では得られる断熱塗膜の強度が
不十分であり、一方50%を越えると断熱塗膜の柔軟性
が損なわれ脆くなるので好ましくない。In the present invention, the pigment (C) is a pigment volume concentration (hereinafter referred to as “PV”) with respect to the resin emulsion (A).
C ") in a proportion of 1 to 50%, preferably 10 to 50%. Here "PVC"
Is the volume ratio (%) of the pigment content to the solid content of the mixture of the resin and the pigment, and is (volume of the pigment content) / (volume of the pigment content +
(Volume of resin solid content) × 100. If the PVC is less than 1%, the strength of the resulting heat-insulating coating film is insufficient, while if it exceeds 50%, the flexibility of the heat-insulating coating film is impaired, making it unfavorable.
【0014】上記樹脂発泡体粒子(B)や顔料(C)
に、さらに必要に応じて従来公知の骨材を併用してもよ
い。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、その配合割合は、通常、樹脂エ
マルジョン(A)の固形分重量に対して10重量%以下
が適当である。The above resin foam particles (B) and pigments (C)
Further, if necessary, a conventionally known aggregate may be used in combination. Aggregates include, for example, pearlite, volcanic rubble, bar
Inorganic fine foams such as calcined miculite, fine hollow foams such as shirasu balloon, glass balloon, silica balloon, and the like are included, and the mixing ratio thereof is usually based on the weight of the solid content of the resin emulsion (A). On the other hand, 10% by weight or less is appropriate.
【0015】本発明の断熱塗材には、さらに必要に応じ
て造膜助剤、増粘タレ止め剤、消泡剤、分散剤、難燃化
剤、繊維状物質などを添加することができる。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、樹脂エマ
ルジョン(A)の固形分重量に対して5重量%以下が適
当である。The heat-insulating coating material of the present invention may further contain a film-forming aid, a thickening anti-sagging agent, an antifoaming agent, a dispersant, a flame retardant, a fibrous substance, etc., if necessary. . Of these, fibrous substances are used to speed up drying of the coating and improve the strength of the coating, such as magnesium sulfate, polyethylene, pulp, magnesium carbonate, 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 emulsion (A).
【0016】以上の通り得られる本発明の断熱塗材によ
る塗膜は、その熱伝導率が0.3Kcal/m・h・℃
以下、好ましくは0.2Kcal/m・h・℃以下、さ
らに好ましくは0.15Kcal/m・h・℃以下であ
ることが必須である。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 heat-insulating coating material of the present invention obtained as described above has a thermal conductivity of 0.3 Kcal / m · h · ° C.
Below, it is essential that it is preferably 0.2 Kcal / m · h · ° C. or less, more preferably 0.15 Kcal / m · h · ° C. or less. Thermal conductivity of coating film is 0.3Kcal
If it exceeds / m · h · ° C., the heat insulating property becomes insufficient, which is not preferable.
【0017】次に本発明は、基材面に上記断熱塗材を塗
装してなる塗装断熱工法を提供するものである。本発明
工法では上記断熱塗材による断熱塗膜のみで仕上げても
良いし、さらに該塗膜上に上塗り塗装を行なってもよ
い。Next, the present invention provides a coating and heat insulating method in which the above-mentioned heat insulating coating material is coated on a substrate surface. In the method of the present invention, the heat-insulating coating material may be used for finishing with only the heat-insulating coating film, or the coating film may be overcoated.
【0018】本発明工法が適用される基材としては、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。The substrate to which the method of the present invention is applied includes concrete, mortar, and slates; ceramics such as ceramics and tiles; material surfaces such as plastics, woods, stones, and metals; Acrylic resin system provided,
An old coating film surface of an acrylic urethane resin system, a polyurethane resin system, a fluorine resin system, a silicon acrylic resin system, a vinyl acetate resin system, or the like can be given, and it is desirable to appropriately adjust the substrate.
【0019】基材面に上記断熱塗材を直接塗装すること
もできるが、付着性の面からシ−ラ−やプライマ−層を
予め基材面に設けておいてもよい。これらは、必要に応
じて基材に塗装されるものであり、基材と断熱塗膜との
付着性向上や基材からのエフロ防止、多孔質基材による
断熱塗膜の吸い込みムラ防止などを目的として用いられ
る。具体的には、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
などから選ばれる1種又は2種以上組合せた樹脂成分を
有するシ−ラ−やプライマ−が挙げられる。水回りなど
の高度の耐水性が要求される場所では適宜塗り重ねても
よい。The above-mentioned heat-insulating coating material can be applied directly to the substrate surface, but a sealer or primer layer may be provided on the substrate surface in advance from the viewpoint of adhesiveness. These are applied to the base material as necessary, and improve adhesion between the base material and the heat insulating coating, prevent effusion from the base material, prevent uneven suction of the heat insulating coating film by the porous base material, and the like. Used for purposes. Specifically, for example, a sealer or primer having one or a combination of two or more resin components selected from acrylic resin, vinyl chloride resin, vinyl acetate resin, epoxy resin, and chlorinated rubber. Is mentioned. In places where a high degree of water resistance is required, such as around water, it may be applied as needed.
【0020】次いで上記断熱塗材を基材に直接、又はシ
−ラ−やプライマ−塗膜上に塗装する。該断熱塗材の塗
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。Next, the above heat-insulating coating material is applied directly to a substrate or onto a sealer or a primer coating film. The coating of the heat-insulating coating material can be performed by a conventionally known method such as spraying, pouring, ironing, roller, or brush. The thickness of the heat-insulating coating film formed on the substrate surface can be appropriately selected depending on the required heat-insulating performance, and is usually about 3 to 10 mm.
【0021】該断熱塗膜は、また、弾性塗膜として、立
体的なテクスチャ−の形成、また基材面のひびワレ等へ
の追随、隠蔽などを目的として設けることができる。テ
クスチャ−の形成は公知の塗布具を用いて凹凸状になる
ように塗布することができる。また、塗布後に押え工法
で平滑に仕上ることもできる。The heat-insulating coating film can be provided as an elastic coating film for the purpose of forming a three-dimensional texture, following a crack on the surface of the base material, concealing, and the like. The texture can be applied by using a known applicator so as to be uneven. Further, after the application, it can be finished smoothly by the pressing method.
【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1〜8及び比較例1〜5 表1に示す成分を配合し、攪拌混合して各水性断熱塗材
を得た。表1中における(注1)〜(注9)は下記の通
りである。Examples 1 to 8 and Comparative Examples 1 to 5 The components shown in Table 1 were blended and mixed by stirring to obtain each of the water-based heat insulating coating materials. (Note 1) to (Note 9) in Table 1 are as follows.
【0033】(注1)A−1:ガラス転移温度9℃、造
膜温度15℃のアクリル・スチレン共重合体の水性エマ
ルション、固形分55% (注2)A−2:ガラス転移温度33℃、造膜温度15
℃の酢酸ビニル系樹脂の水性エマルション、固形分65
% (注3)A−3:ガラス転移温度20℃、造膜温度15
℃のカルボニル基含有アクリル共重合体水性エマルショ
ン及び架橋剤としてアジピン酸ジヒドラジドを含む架橋
型エマルション、固形分55% (注4)発泡ポリスチレン粒子:三菱化学産資社製、熱
伝導率0.03Kcal/m・h・℃、球径0.5〜3
mm、かさ密度0.04g/ccの球形粒子 (注5)発泡ポリスチレン粒子:三菱化学産資社製、熱
伝導率0.03Kcal/m・h・℃、粒子径0.2〜
8mm、かさ密度0.04g/ccの破砕品 (注6)酸化チタン:テイカ社製、比重4.0 (注7)クレ−:白石カルシウム社製、比重2.65 (注8)硫酸マグネシウム:宇部興産社製、繊維状、比
重2.3 (注9)セメント:普通ポルトランドセメント (注10)増粘剤:「アデカノ−ルUH−420」、旭
電化社製 (注11)消泡剤:「SNデフォ−マ−A−63」、サ
ンノプコ社製 (注12)分散剤:「ノプコスパ−ス44C」、サンノ
プコ社製 上記の通り得られた各塗材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、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、膜厚約5mmのフリ−塗膜を作成した。このフリ−
塗膜の比重及び熱伝導率を調べ、結果を表1に示す。(Note 1) A-1: Aqueous emulsion of acrylic / styrene copolymer having a glass transition temperature of 9 ° C. and a film-forming temperature of 15 ° C., solid content 55% (Note 2) A-2: Glass transition temperature of 33 ° C. , Film formation temperature 15
Aqueous emulsion of vinyl acetate resin at 65 ° C, solid content 65
% (Note 3) A-3: glass transition temperature 20 ° C, film formation temperature 15
C. Aqueous emulsion containing a carbonyl group-containing acrylic copolymer at .degree. C. and a cross-linked emulsion containing adipic dihydrazide as a cross-linking agent, solid content 55%. (Note 4) Expanded polystyrene particles: manufactured by Mitsubishi Chemical Corporation, thermal conductivity 0.03 Kcal / m · h · ° C, ball diameter 0.5-3
mm, spherical particles with a bulk density of 0.04 g / cc (Note 5) Expanded polystyrene particles: manufactured by Mitsubishi Chemical Corporation, thermal conductivity 0.03 Kcal / m · h · ° C., particle diameter 0.2 to
8 mm, crushed product with bulk density of 0.04 g / cc (* 6) Titanium oxide: manufactured by Teica, specific gravity 4.0 (* 7) Cray: manufactured by Shiraishi Calcium, specific gravity 2.65 (* 8) Magnesium sulfate: Ube Industries, Ltd., fibrous, specific gravity 2.3 (Note 9) Cement: ordinary Portland cement (Note 10) Thickener: "ADEKANOL UH-420", Asahi Denka Co., Ltd. (Note 11) Defoamer: "SN Deformer-A-63", manufactured by San Nopco Co. (Note 12) Dispersant: "Nopco Space 44C", manufactured by San Nopco Coating materials obtained as described above are dried on a Teflon resin-coated steel sheet to obtain a dry film thickness. Spray paint to about 5mm at 20 ℃
-It dried in a 65% RH constant temperature and humidity room 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. This free
The specific gravity and thermal conductivity of the coating film were examined, and the results are shown in Table 1.
【0034】またスレ−ト板上に水性シ−ラ−(「アク
アGシ−ラ−」、関西ペイント社製、商品名)を塗布・
乾燥させた試験板上に、上記の通り得られた各塗材を上
水で15,000〜20,000cpsに粘度調整し
て、乾燥膜厚で約5mmとなるように吹付け塗装し、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。実施例の各塗材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。次いで各塗材及び得られ
た試験塗板を下記性能試験に供した。結果を表1に示
す。An aqueous sealer ("Aqua G Sealer", manufactured by Kansai Paint Co., Ltd., trade name) is applied on the plate.
On the dried test plate, the viscosity of each coating material obtained as described above was adjusted to 15,000 to 20,000 cps with tap water, and spray-coated to 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. Each coating material of the example was capable of not only a smooth finish but also a lysine-like finish. Next, each coating material and the obtained test coated plate 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:各塗材について、
リシンガン、タイルガン、スタッコ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、△は塗材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。 (*3)厚塗性:各塗材について、1回の吹付け塗装で
3mm(乾燥膜厚で)以上の厚膜塗装が可能かどうかを
調べた。○は3mm以上、△は1〜3mm、×は1mm
未満を示す。(* 2) Spraying workability: For each coating material,
The coating workability was examined using a ricin gun, a tile gun, and a stucco gun, respectively. ○ indicates that the spraying can be performed without any problem with all the guns, △ indicates that the atomization of the coating material is bad and the working time is required, and X indicates that the spraying is impossible. (* 3) Thick coating property: For each coating material, it was examined whether or not thick coating of 3 mm (by dry film thickness) or more was possible by one spray coating. ○: 3 mm or more, Δ: 1-3 mm, ×: 1 mm
Indicates less than.
【0037】(*4)可使時間:各塗材を上水で15,
000〜20,000cpsに粘度調整後の使用限界時
間を調べた。(* 4) Pot life: each coating material was washed with clean water for 15,
The service limit time after adjusting the viscosity to 2,000 to 20,000 cps was examined.
【0038】(*5)塗膜表面の粘着性:試験塗板の塗
膜表面に指で触れた時の粘着の有無を調べた。○は粘着
なし、△はやや粘着あり、×はかなり粘着あり、を示
す。(* 5) Adhesion of coating film surface: The presence or absence of adhesion when the finger touched the coating film surface of the test coated plate was examined.は indicates no stickiness, △ indicates slightly sticky, and × indicates considerably sticky.
【0039】(*6)温冷サイクル試験:試験塗板をJ
IS A 6909の温冷繰り返し試験に準じて、<水
中に18時間浸漬〜−20℃の恒温器中で3時間冷却〜
50℃の恒温器中で5時間加温>を1サイクルとして1
0サイクル試験後の塗膜面の状態を目視で評価した。○
は、塗膜面に異常なし、△は、塗膜面にワレ・ハガレ・
フクレがわずかに認められる、×は、塗膜面にワレ・ハ
ガレ・フクレが著しく認められる、を示す。(* 6) Hot / cold cycle test: Test coated plate
<Immersion in water for 18 hours—cooling in a −20 ° C. incubator for 3 hours—according to the repeated heating and cooling test of IS A 6909
Heating in a thermostat at 50 ° C for 5 hours>
The state of the coating film surface after the 0 cycle test was visually evaluated. ○
Indicates that there is no abnormality on the coating surface, and indicates that
X indicates that swelling is slightly observed, and x indicates that cracks, peeling and swelling are remarkably observed on the coating film surface.
【0040】(*7)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
れないがやや光沢の低下が認められる、×は塗膜面にワ
レ・ハガレフクレが認められる、を示す。(* 7) Weather resistance: The state of the coating film after the test for 1000 hours was visually observed using a sunshine weatherometer. ○ indicates no cracks, peeling, or swelling on the coating surface, △ indicates no cracks, peeling, or swelling on the coating surface, but a slight decrease in gloss is observed. Is recognized.
【0041】[0041]
【表1】 [Table 1]
【0042】実施例9〜20及び比較例6〜10 スレ−ト板上に水性シ−ラ−(「アレスGシ−ラ−」、
関西ペイント社製、商品名)を塗布・乾燥させた試験板
上に、上記の通り得られた各断熱塗材を上水で15,0
00〜20,000cpsに粘度調整して、塗布量約5
kg/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、比較例8、9は試
験板上に断熱塗材を塗装せず直接表2に示す上塗り塗装
を行なった。また実施例1の断熱塗膜上にeの上塗り塗
料を塗装したところ、断熱塗膜が溶解してしまい膜を形
成できなかった。Examples 9 to 20 and Comparative Examples 6 to 10 An aqueous sealer ("Ares G Sealer",
Each of the heat-insulating coating materials obtained as described above was applied to a test plate on which a test plate coated with Kansai Paint Co., Ltd. and dried) was washed with water for 15.0.
Adjust the viscosity to 00-20,000 cps and apply
kg / m 2 spray coating, 20 ℃ 65%
After left in a constant temperature and humidity room of RH for 1 day, each top coat was applied in the combination and in the order of the top coat shown in Table 2 in the application amount shown in the table, and the temperature and humidity were kept at 20 ° C. and 65% RH. The coated plate was obtained by drying in a room for 7 days. In Comparative Examples 8 and 9, the test plates were directly coated with the overcoating shown in Table 2 without coating the heat insulating coating material. Further, when the top coat of e was applied on the heat-insulating coating film of Example 1, the heat-insulating coating film was dissolved and the film could not be formed.
【0043】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.
【0044】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−バンテリア」: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」:アクリルエマルション系複
層用主材、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−バンテリアデコ」: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−ペン可溶非水分散形
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. "Avanteria": Aqueous thick film type single-layer elastic overcoat, low contamination 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": Acrylic emulsion-based multi-layer main material, 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. "Aqualetan": 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. "Ales Avanteria Deco": Aqueous 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 non-aqueous dispersion type acrylic resin top coating, manufactured by Kansai Paint Co., 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.
【0045】(*8)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。(* 8) 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.).
【0046】(*9)塗膜外観: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。(* 9) Appearance of coating film: The state of the surface of the coating film after overcoating of each coated plate was visually observed. ○ indicates no abnormality,
× indicates that there is a defect such as cracks or blemishes.
【0047】(*10)温冷サイクル試験:各塗装板を
JIS A 6909の温冷繰り返し試験に準じて、<
水中に18時間浸漬〜−20℃の恒温器中で3時間冷却
〜50℃の恒温器中で5時間加温>を1サイクルとして
10サイクル試験後の塗膜面の状態を目視で評価した。
○は、塗膜面にワレ・ハガレがなく変色も認められな
い、×は、塗膜面にワレ・ハガレ・変色が認められる、
を示す。(* 10) Heating / cooling cycle test: Each coated plate was tested according to the JIS A 6909 hot / cold repetition test according to <
After 18 cycles of immersion in water, cooling for 3 hours in a thermostat at −20 ° C., and heating for 5 hours in a thermostat at 50 ° C.>, the state of the coating film surface after a 10-cycle test was visually evaluated.
○ indicates no cracks or discoloration on the coating film surface, and no discoloration is recognized. × indicates cracks, discoloration or discoloration on the coating film surface.
Is shown.
【0048】(*11)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。(* 11) Stain resistance: Each coated plate was faced to the south in Hiratsuka city, the coated surface was inclined upward at 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.
【0049】(*12)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
認められないがやや光沢の低下が認められる、×は、塗
膜面にワレ・ハガレフクレが認められる、を示す。(* 12) Weather resistance: The state of the coating film after the test for 1000 hours was visually observed using a sunshine weatherometer. ○ indicates no crack, peeling or blistering on the coating surface, Δ indicates no cracking or peeling or blistering on the coating surface, but a slight decrease in gloss is recognized, × indicates cracking on the coating surface・ Indicates that Hagarekule is recognized.
【0050】[0050]
【発明の効果】本発明によれば、特定性状を有する樹脂
エマルジョン、樹脂発泡体粒子及び顔料を含有すること
により、塗装作業に何等制限を受けることなく、断熱
性、消音性等に優れた断熱塗膜を形成できる。According to the present invention, by containing a resin emulsion having specific properties, resin foam particles and a pigment, there is no restriction on the coating work, and the heat insulation and the sound deadening properties are excellent. A coating film can be formed.
【0051】[0051]
【表2】 [Table 2]
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI C09D 7/12 C09D 7/12 Z ──────────────────────────────────────────────────続 き Continued on front page (51) Int.Cl. 6 Identification code FI C09D 7/12 C09D 7/12 Z
Claims (5)
温度25℃以下である樹脂を水分散化してなる弾性系樹
脂エマルション、及び(B)熱伝導率0.02〜0.1
kcal/m・h・℃で、かさ密度0.02〜0.5g
/cc、粒子径0.2〜8mmである樹脂発泡体粒子、
及び(C)顔料を、(A)/(B)の固形分体積比が1
00/50〜100/500で、且つ(C)の(A)に
対する顔料体積濃度が1〜50%となるよう含有する塗
材で、該塗材による塗膜の熱伝導率が0.3Kcal/
m・h・℃以下であることを特徴とする厚膜形弾性断熱
塗材。1. An elastic resin emulsion obtained by dispersing a resin having a glass transition temperature of 30 ° C. or lower and a film forming temperature of 25 ° C. or lower in water, and (B) a thermal conductivity of 0.02 to 0.1.
At kcal / m · h · ° C., bulk density 0.02 to 0.5 g
/ Cc, resin foam particles having a particle size of 0.2 to 8 mm,
And (C) a pigment having a solid content volume ratio of (A) / (B) of 1
A coating material containing 00 / 50-100 / 500 so that the pigment volume concentration of (C) with respect to (A) is 1-50%, and the thermal conductivity of a coating film formed by the coating material is 0.3 Kcal /
A thick-film elastic heat-insulating coating material having a temperature of m · h · ° C. or less.
以下、造膜温度25℃以下である樹脂を水分散化してな
る弾性系樹脂エマルション、及び(B)熱伝導率0.0
2〜0.1kcal/m・h・℃で、かさ密度0.02
〜0.5g/cc、粒子径0.2〜8mmである樹脂発
泡体粒子、及び(C)顔料を、(A)/(B)の固形分
体積比が100/50〜100/500で、且つ(C)
の(A)に対する顔料体積濃度が1〜50%となるよう
含有する塗材で、該塗材による塗膜の熱伝導率が0.3
Kcal/m・h・℃以下である厚膜形弾性断熱塗材を
塗装してなる塗装断熱工法。2. The method according to claim 1, wherein (A) a glass transition temperature of 30 ° C.
Hereinafter, an elastic resin emulsion obtained by dispersing a resin having a film formation temperature of 25 ° C. or lower in water, and (B) a thermal conductivity of 0.0
2 to 0.1 kcal / m · h · ° C., bulk density 0.02
To 0.5 g / cc, resin foam particles having a particle diameter of 0.2 to 8 mm, and (C) a pigment having a solid content volume ratio of (A) / (B) of 100/50 to 100/500, And (C)
(A) is a coating material containing the pigment at a volume concentration of 1 to 50%, and the thermal conductivity of a coating film of the coating material is 0.3%.
A coating heat insulation method in which a thick film type elastic heat insulating coating material having a Kcal / m · h · ° C. or less is applied.
上塗り塗装を行なう請求項2記載の塗装断熱工法。3. The method according to claim 2, wherein a top coat is applied on the heat-insulating coating film using the thick-film elastic heat-insulating coating material.
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請求項3記載の塗装断熱工法。4. The method according to claim 3, wherein the paint applied on the heat-insulating coating at the time of top-coating is an elastic coating having an elongation of 20% or more in a 20 ° C. atmosphere.
20℃雰囲気で100〜700%を示す厚膜形単層弾性
上塗り塗料を塗装してなる請求項3又は4記載の塗装断
熱工法。5. The method according to claim 3, wherein the overcoat is a thick-film single-layer elastic overcoat having an elongation of 100 to 700% in a 20 ° C. atmosphere.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30856796A JP3490855B2 (en) | 1996-09-30 | 1996-11-20 | Thick film type elastic heat insulating coating material and coating heat insulating method using the same |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8-258480 | 1996-09-30 | ||
JP25848096 | 1996-09-30 | ||
JP30856796A JP3490855B2 (en) | 1996-09-30 | 1996-11-20 | Thick film type elastic heat insulating coating material and coating heat insulating method using the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10152648A true JPH10152648A (en) | 1998-06-09 |
JP3490855B2 JP3490855B2 (en) | 2004-01-26 |
Family
ID=26543697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30856796A Expired - Lifetime JP3490855B2 (en) | 1996-09-30 | 1996-11-20 | Thick film type elastic heat insulating coating material and coating heat insulating method using the same |
Country Status (1)
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JP (1) | JP3490855B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005246370A (en) * | 2003-11-20 | 2005-09-15 | Sk Kaken Co Ltd | Method for forming patterned surface |
JP2010248852A (en) * | 2009-04-20 | 2010-11-04 | Sekisui Chem Co Ltd | Heat insulating structure of opening and method for heat insulation of opening using the heat insulating structure |
CN103483963A (en) * | 2013-09-16 | 2014-01-01 | 三棵树涂料股份有限公司 | Multifunctional scrapping type single-component thermal insulation coating, multifunctional scrapping type bi-component thermal insulation coating and preparing methods of multifunctional scrapping type single-component thermal insulation coating and multifunctional scrapping type bi-component thermal insulation coating |
CN103756483A (en) * | 2014-01-08 | 2014-04-30 | 罗杰 | Glass heat insulation film and preparation method thereof |
JP2016142002A (en) * | 2015-01-30 | 2016-08-08 | 関西ペイント株式会社 | Rooftop waterproofing, heat insulation and protection method |
-
1996
- 1996-11-20 JP JP30856796A patent/JP3490855B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005246370A (en) * | 2003-11-20 | 2005-09-15 | Sk Kaken Co Ltd | Method for forming patterned surface |
JP2010248852A (en) * | 2009-04-20 | 2010-11-04 | Sekisui Chem Co Ltd | Heat insulating structure of opening and method for heat insulation of opening using the heat insulating structure |
CN103483963A (en) * | 2013-09-16 | 2014-01-01 | 三棵树涂料股份有限公司 | Multifunctional scrapping type single-component thermal insulation coating, multifunctional scrapping type bi-component thermal insulation coating and preparing methods of multifunctional scrapping type single-component thermal insulation coating and multifunctional scrapping type bi-component thermal insulation coating |
CN103756483A (en) * | 2014-01-08 | 2014-04-30 | 罗杰 | Glass heat insulation film and preparation method thereof |
JP2016142002A (en) * | 2015-01-30 | 2016-08-08 | 関西ペイント株式会社 | Rooftop waterproofing, heat insulation and protection method |
Also Published As
Publication number | Publication date |
---|---|
JP3490855B2 (en) | 2004-01-26 |
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