JP2015220233A - Electromagnetic wave shielding coating and electromagnetic wave shielding article - Google Patents
Electromagnetic wave shielding coating and electromagnetic wave shielding article Download PDFInfo
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本発明は、電磁波シールド塗料およびこの電磁波シールド塗料が塗布された電磁波シールド物品に関する。 The present invention relates to an electromagnetic wave shielding paint and an electromagnetic wave shielding article coated with the electromagnetic wave shielding paint.
例えば、特許文献１には、水中に分散された導電性金属微粒子、少なくとも１種のノニオン系界面活性剤及び少なくとも１種の水混和性の有機溶剤を含有する水分散系透明導電膜形成用塗料が記載されている。 For example, Patent Document 1 discloses a water-dispersed transparent conductive film-forming coating material containing conductive metal fine particles dispersed in water, at least one nonionic surfactant, and at least one water-miscible organic solvent. Is described.
また、例えば、特許文献２には、鎖状ニッケル粉末又は／及び鱗片状ニッケル粉末が、樹脂エマルジョンに配合されて調製されている再はくり型電磁波シールド水系塗料が記載されている。 For example, Patent Document 2 describes a re-peeling electromagnetic wave shielding water-based paint in which chain nickel powder and / or scaly nickel powder is prepared by blending with a resin emulsion.
しかしながら、特許文献１の水分散系透明導電膜形成用塗料では、樹脂を有機溶剤に溶解させたものが使用されているため、導電性金属微粒子が沈降するという問題や、金属粉末が錆びて電磁波シールド効果が低下するなどに問題がある。 However, since the water-dispersed transparent conductive film forming paint disclosed in Patent Document 1 uses a resin in which a resin is dissolved in an organic solvent, there is a problem that conductive metal fine particles are settled, and the metal powder is rusted and electromagnetic waves. There is a problem that the shielding effect is lowered.
一方で、特許文献２の再はくり型電磁波シールド水系塗料の場合、電磁波シールド効果、塗布性、取扱性などの面で、必ずしも良好な性能が確保されているとは言い難い。 On the other hand, in the case of the re-peeling type electromagnetic shielding water-based paint of Patent Document 2, it is difficult to say that good performance is always ensured in terms of electromagnetic shielding effect, applicability, handling, and the like.
本発明は、以上のとおりの事情に鑑みてなされたものであり、電磁波シールド効果、塗布性、取扱性に優れた電磁波シールド塗料を提供することを課題としている。 This invention is made | formed in view of the above situations, and makes it a subject to provide the electromagnetic wave shielding coating material excellent in the electromagnetic wave shielding effect, applicability | paintability, and handleability.
上記の課題を解決するために、本発明の電磁波シールド塗料は、水分散型共重合樹脂化合物および溶剤溶解型共重合樹脂化合物を混合した樹脂と、非イオン系界面活性剤と、導電材料とを含有することを特徴としている。 In order to solve the above problems, an electromagnetic wave shielding paint of the present invention comprises a resin in which a water-dispersed copolymer resin compound and a solvent-soluble copolymer resin compound are mixed, a nonionic surfactant, and a conductive material. It is characterized by containing.
この電磁波シールド塗料では、水分散型共重合樹脂化合物と溶剤溶解型共重合樹脂化合物は、それぞれアクリル系共重合物であることが好ましい。 In this electromagnetic wave shielding coating, the water-dispersed copolymer resin compound and the solvent-soluble copolymer resin compound are each preferably an acrylic copolymer.
この電磁波シールド塗料では、非イオン系界面活性剤は、エーテル型であることがより好ましい。 In this electromagnetic wave shielding paint, the nonionic surfactant is more preferably an ether type.
この電磁波シールド塗料では、導電材料がニッケル粉を含み、乾燥状態の抵抗率が10-3〜100Ω・ｃｍであることがさらに好ましい。 In this electromagnetic wave shielding paint, it is more preferable that the conductive material contains nickel powder and the dry resistivity is 10 −3 to 10 0 Ω · cm.
この電磁波シールド塗料では、導電材料が銀コート銅粉を含み、乾燥状態の抵抗率が10-5〜10-2Ω・ｃｍであることがさらに好ましい。 In this electromagnetic wave shielding paint, it is more preferable that the conductive material contains silver-coated copper powder and the dry resistivity is 10 −5 to 10 −2 Ω · cm.
本発明の電磁波シールド物品では、前記電磁波シールド塗料が塗布されていることを特徴としている。 The electromagnetic wave shielding article of the present invention is characterized in that the electromagnetic wave shielding paint is applied.
本発明の電磁波シールド塗料によれば、優れた電磁波シールド効果、塗布性、取扱性を実現することができる。 According to the electromagnetic wave shielding paint of the present invention, an excellent electromagnetic wave shielding effect, applicability, and handling property can be realized.
本発明の電磁波シールド塗料は、水分散型共重合樹脂化合物および溶剤溶解型共重合樹脂化合物を混合した樹脂と、非イオン系界面活性剤と、導電材料とを含有する。 The electromagnetic wave shielding paint of the present invention contains a resin obtained by mixing a water-dispersed copolymer resin compound and a solvent-soluble copolymer resin compound, a nonionic surfactant, and a conductive material.
水分散型共重合樹脂化合物は、水を分散媒とするアクリル系共重合物、スチレン系重合物、シリコン系重合物、ウレタン系重合物、フッ素系共重合物、酢酸ビニル系共重合物、エチレン酢酸ビニル（ＥＶＡ）系共重合物などを例示することができる。なかでも、水分散型共重合樹脂化合物は、アクリル系共重合物が好ましく、具体的には、例えば、メチルメタクリレート，エチルメタクリレート、ブチルアクリレート、２−エチルヘキシルアクリレート、アクリロニトリルおよび少量のスチレンなどの単量体を共重合したものを例示することができる。なかでも、水分散型共重合樹脂化合物として、メタクリル酸エステル共重合物を好ましく例示することができる。エマルジョン中の不揮発分、すなわち共重合物の量は通常４０〜６０重量％であり、これを残余の量の水に分散する。このエマルジョンのガラス転移点は比較的低く＋２５℃〜−１０℃、好ましくは１０℃〜０℃の範囲である。 Water-dispersed copolymer resin compounds are acrylic copolymer, styrene polymer, silicon polymer, urethane polymer, fluorine copolymer, vinyl acetate copolymer, water, and ethylene. Examples thereof include vinyl acetate (EVA) copolymer. Among these, the water-dispersed copolymer resin compound is preferably an acrylic copolymer, and specifically, for example, a single monomer such as methyl methacrylate, ethyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, acrylonitrile, and a small amount of styrene. The thing which copolymerized the body can be illustrated. Especially, a methacrylic acid ester copolymer can be illustrated preferably as a water dispersion type copolymer resin compound. The nonvolatile content in the emulsion, i.e. the amount of copolymer, is usually 40-60% by weight, which is dispersed in the remaining amount of water. This emulsion has a relatively low glass transition point in the range of + 25 ° C to -10 ° C, preferably 10 ° C to 0 ° C.
溶剤溶解型共重合樹脂化合物は、前述の水分散型共重合樹脂化合物と同様の単量体を共重合したものを用いることができ、これにトルエン、キシレン又はそれらの混合物の如き有機溶剤を混合して溶解させて有機溶剤の溶液をつくる。この有機溶剤溶液中の不揮発分、すなわちアクリル系共重合物の量は４０〜６０％の範囲であることが好ましい。このガラス転移点は比較的高く、５〜５０℃の範囲であることが好ましい。なかでも、溶剤溶解型共重合樹脂化合物として、スチレン−メタクリル酸エステル共重合物を好ましく例示することができる。 As the solvent-soluble copolymer resin compound, a copolymer obtained by copolymerizing the same monomer as the water-dispersible copolymer resin compound described above can be used, and an organic solvent such as toluene, xylene or a mixture thereof can be mixed therewith. To make an organic solvent solution. The nonvolatile content in the organic solvent solution, that is, the amount of the acrylic copolymer is preferably in the range of 40 to 60%. This glass transition point is relatively high and is preferably in the range of 5 to 50 ° C. Especially, a styrene-methacrylic acid ester copolymer can be illustrated preferably as a solvent-soluble copolymer resin compound.
非イオン系界面活性剤は、エステル型、エーテル型、エステルエーテル型などであってよく、なかでも、エーテル型の非イオン系界面活性剤を好ましく例示することができる。エーテル型の非イオン系界面活性剤としては、例えば、ポリオキシエチレンアルキルエーテル、ソルビトールエステル、ポリオキシエチレンアリルエーテル、ポリオキシエチレンアルキルフェニルエーテルなどを例示することができ、このエーテル型の非イオン系界面活性剤を水分散型共重合樹脂化合物および溶剤溶解型共重合樹脂化合物を混合した樹脂に０．１〜１．０％程度添加することができる。この際、例えば、アルコール系溶剤、例えばメタノール，エタノール，ブタノールなどを１〜５％加え混合することができる。 The nonionic surfactant may be an ester type, an ether type, an ester ether type or the like, and among them, an ether type nonionic surfactant can be preferably exemplified. Examples of ether type nonionic surfactants include polyoxyethylene alkyl ethers, sorbitol esters, polyoxyethylene allyl ethers, polyoxyethylene alkylphenyl ethers, and the like. About 0.1 to 1.0% of a surfactant can be added to a resin obtained by mixing a water-dispersed copolymer resin compound and a solvent-soluble copolymer resin compound. At this time, for example, 1 to 5% of an alcohol solvent such as methanol, ethanol, butanol, etc. can be added and mixed.
導電材料は、例えば、ニッケル粉、銀コート銅粉、銅粉、銀粉などの各種の金属フィラーのうちの１種または２種以上を例示することができる。導電材料は、なかでも、ニッケル粉、銀コート銅粉が好ましく、例えば、電磁波シールド塗料全体に対して５〜５０％（重量％）の範囲で配合することができる。ニッケル粉または銀コート銅粉の配合量がこの範囲であると、電磁波シールド塗料のコストを抑えつつ、確実に電磁波シールド効果を発揮させることができる。 Examples of the conductive material may include one or more of various metal fillers such as nickel powder, silver-coated copper powder, copper powder, and silver powder. In particular, the conductive material is preferably nickel powder or silver-coated copper powder. For example, the conductive material can be blended in the range of 5 to 50% (% by weight) with respect to the entire electromagnetic wave shielding paint. When the blending amount of the nickel powder or the silver-coated copper powder is within this range, the electromagnetic shielding effect can be surely exhibited while suppressing the cost of the electromagnetic shielding paint.
さらに、導電材料としては、カーボンナノ材料を例示することができる。電磁波シールド塗料にカーボンナノ材料を配合することで、電磁波シールド効果を一層高めることができる。カーボンナノ材料としては、導電性を有する公知の種々カーボンナノ材料を用いることができ、例えば、カーボンナノチューブ、カーボンナノホーン、グラファイトナノファイバー、カーボンナノファイバーなどを挙げることができる。 Furthermore, as the conductive material, a carbon nanomaterial can be exemplified. By blending the carbon nanomaterial with the electromagnetic wave shielding paint, the electromagnetic wave shielding effect can be further enhanced. As the carbon nanomaterial, various known carbon nanomaterials having conductivity can be used, and examples thereof include carbon nanotubes, carbon nanohorns, graphite nanofibers, and carbon nanofibers.
また、本発明の電磁波シールド塗料には、必要に応じて、塗料分野で使用されている各種の添加物を添加することができる。例えば、リン酸水素ナトリウムや炭酸水素ナトリウム等のｐＨ調整剤、ｔ−ドデシルメルカプタン、ｎ−ドデシルメルカプタンや低分子ハロゲン化合物等の分子量調整剤、キレート化剤、可塑剤、有機溶剤等を樹脂混合の前期・中期・後期に添加することができる。 In addition, various additives used in the paint field can be added to the electromagnetic wave shielding paint of the present invention as necessary. For example, pH adjusting agents such as sodium hydrogen phosphate and sodium hydrogen carbonate, molecular weight adjusting agents such as t-dodecyl mercaptan, n-dodecyl mercaptan and low molecular halogen compounds, chelating agents, plasticizers, organic solvents, etc. It can be added in the first, middle and late stages.
また、ロジン系、ロジン誘導体系、テルペン樹脂系、テルペン誘導体系等の天然系タッキファイヤーや、石油樹脂系、スチレン樹脂系、クマロンインデン樹脂系、フェノール樹脂系、キシレン樹脂系の合成樹脂系のタッキファイヤー、液状ニトリルゴム、シリコンゴム等のゴム成分、水酸化バリウム、水酸化マグネシウム、水酸化アルミニウム、酸化ケイ素、酸化チタン、硫酸カルシウム、硫酸バリウム、炭酸カルシウム、塩基性炭酸亜鉛、塩基性炭酸鉛、珪砂、クレー、タルク、シリカ、二酸化チタン、三酸化アンチモン等の体質顔料の他、殺菌剤、防腐剤、消泡剤、可塑剤、流動調整剤、増粘剤、ｐＨ調整剤、界面活性剤、着色顔料、体質顔料、防錆顔料等を添加してもよい。さらに、耐光性向上を目的として各種の酸化防止剤や紫外線吸収剤を添加しても良い。 In addition, natural tackifiers such as rosin, rosin derivative, terpene resin, terpene derivative, petroleum resin, styrene resin, coumarone indene resin, phenol resin, xylene resin Rubber components such as tackifier, liquid nitrile rubber, silicon rubber, barium hydroxide, magnesium hydroxide, aluminum hydroxide, silicon oxide, titanium oxide, calcium sulfate, barium sulfate, calcium carbonate, basic zinc carbonate, basic lead carbonate , Silica sand, clay, talc, silica, titanium dioxide, antimony trioxide and other extender pigments, bactericides, antiseptics, antifoaming agents, plasticizers, flow regulators, thickeners, pH adjusters, surfactants Color pigments, extender pigments, rust preventive pigments and the like may be added. Further, various antioxidants and ultraviolet absorbers may be added for the purpose of improving light resistance.
本発明の電磁波シールド塗料は、特に導電材料としてニッケル粉を含む場合、乾燥状態の抵抗率が10-3〜100Ω・ｃｍであることが好ましい。また、本発明の電磁波シールド塗料は、特に導電材料として銀コート銅粉を含む場合、乾燥状態の抵抗率が10-5〜10-2Ω・ｃｍであることが好ましい。電磁波シールド塗料が、導電材料としてニッケル粉または銀コート銅粉を含み、乾燥状態の抵抗率がこの範囲であることで、優れた電磁波シールド効果が確保されている。 The electromagnetic wave shielding paint of the present invention preferably has a dry resistivity of 10 −3 to 10 0 Ω · cm, particularly when nickel powder is included as a conductive material. The electromagnetic wave shielding paint of the present invention preferably has a dry resistivity of 10 −5 to 10 −2 Ω · cm, particularly when silver-coated copper powder is contained as a conductive material. The electromagnetic wave shielding paint contains nickel powder or silver-coated copper powder as a conductive material, and the dry state resistivity is within this range, so that an excellent electromagnetic wave shielding effect is ensured.
このように、本発明の電磁波シールド塗料は、水分散型共重合樹脂化合物および溶剤溶解型共重合樹脂化合物を混合した樹脂と、非イオン系界面活性剤と、導電材料とを含有しており、導電性金属微粒子が沈降し難く、金属粉末が錆びて電磁波シールド効果が低下することもなく、電磁波シールド効果、塗布性、取扱性に優れている。 Thus, the electromagnetic wave shielding paint of the present invention contains a resin obtained by mixing a water-dispersed copolymer resin compound and a solvent-soluble copolymer resin compound, a nonionic surfactant, and a conductive material. The conductive metal fine particles are difficult to settle, the metal powder is not rusted and the electromagnetic wave shielding effect is not lowered, and the electromagnetic wave shielding effect, coating property and handling property are excellent.
本発明の電磁波シールド塗料は、例えば、プラズマディスプレー、電子レンジ、パソコン、車の精密機器などの電磁波を放出する電子機器、装置などの各種の物品に塗布することで電磁波シールド効果が付与された電磁波シールド物品が提供される。また、本発明の電磁波シールド塗料は、物品に塗布するだけでなく、シート状の加工物として製品化することもでき、このシート状加工物によって筐体内や配線ケーブルを被覆することで電磁波を遮蔽することができる。このような電磁波シールド物品は、電磁波による誤作動などが防止されており、高い付加価値を有している。 The electromagnetic wave shielding paint of the present invention is an electromagnetic wave imparted with an electromagnetic wave shielding effect by being applied to various articles such as electronic devices and devices that emit electromagnetic waves, such as plasma displays, microwave ovens, personal computers, car precision equipment, etc. A shield article is provided. Moreover, the electromagnetic wave shielding paint of the present invention can be applied not only to articles but also to be commercialized as a sheet-like processed product, and electromagnetic waves can be shielded by covering the inside of a casing or a wiring cable with this sheet-shaped processed product. can do. Such an electromagnetic shielding article is prevented from malfunction due to electromagnetic waves, and has high added value.
また、本発明の電磁波シールド塗料は、例えば、コンテナ、住宅、病院、コンピューター室などの外壁、内壁などに塗布することもできる。 The electromagnetic wave shielding paint of the present invention can also be applied to the outer wall and inner wall of containers, houses, hospitals, computer rooms and the like.
さらに、電磁波シールド塗料の電気伝導性を利用して、塗布物の両端に電極を接続し、電気を流すことで面状発熱体としても使用できる。 Furthermore, it can be used as a planar heating element by connecting the electrodes to both ends of the coated material using the electrical conductivity of the electromagnetic wave shielding paint and flowing electricity.
本発明の電磁波シールド塗料によって遮蔽可能な電磁波としては、例えば、105〜1012Hｚ程度の周波数を有する電磁波を例示することができる。 Examples of electromagnetic waves that can be shielded by the electromagnetic wave shielding paint of the present invention include electromagnetic waves having a frequency of about 10 5 to 10 12 Hz.
本発明の電磁波シールド塗料は、上記の形態に限定されることはない。本発明の電磁波シールド塗料は、上記の形態に限定されることはない。例えば、樹脂、非イオン系界面活性剤、導電材料の配合量などは、電磁波シールド塗料を使用する対象、用途に応じて適宜設計することができる。 以下、本発明の電磁波シールド塗料について実施例とともに説明するが、本発明の電磁波シールド塗料は、以下の実施例に何ら限定されるものではない。 The electromagnetic wave shielding paint of the present invention is not limited to the above form. The electromagnetic wave shielding paint of the present invention is not limited to the above form. For example, the blending amount of the resin, nonionic surfactant, conductive material, and the like can be appropriately designed according to the object and application for which the electromagnetic wave shielding paint is used. Hereinafter, although the electromagnetic shielding paint of this invention is demonstrated with an Example, the electromagnetic shielding paint of this invention is not limited to the following Examples at all.
＜１＞電磁波シールド塗料の作製と電気的評価
表１に示したように、水分散型共重合樹脂化合物、溶剤溶解型共重合樹脂化合物、非イオン系界面活性剤、導電材料、その他材料を調合して電磁波シールド塗料を作製した（実施例１〜４）。具体的には、アクリル系の水分散型共重合樹脂化合物（エマルジョン）としてメタクリル酸エステル共重合物を使用し、アクリル系の溶剤溶解型共重合樹脂化合物としてスチレン−メタクリル酸エステル共重合物を使用し、非イオン系界面活性剤としてポリオキシエチレンアルキルエーテルを使用し、導電材料としてニッケル粉末を使用した。
<1> Preparation and electrical evaluation of electromagnetic shielding paint As shown in Table 1, a water-dispersed copolymer resin compound, a solvent-soluble copolymer resin compound, a nonionic surfactant, a conductive material, and other materials are prepared. Thus, an electromagnetic wave shielding paint was produced (Examples 1 to 4). Specifically, a methacrylic acid ester copolymer is used as an acrylic water-dispersed copolymer resin compound (emulsion), and a styrene-methacrylic acid ester copolymer is used as an acrylic solvent-soluble copolymer resin compound. Then, polyoxyethylene alkyl ether was used as the nonionic surfactant, and nickel powder was used as the conductive material.
また、溶剤溶解型共重合樹脂化合物を含まない塗料も作成した（比較例１）
次にガラス板（３０ｃｍ×２０ｃｍ）に作製した塗料（実施例１〜４、比較例１）を塗布し、テスター（ＦＬＵＫＥ 77III マルチメーター）で長辺側の両端の抵抗値を測定し体積抵抗率を求めた。
In addition, a paint not containing a solvent-soluble copolymer resin compound was also prepared (Comparative Example 1).
Next, the prepared paints (Examples 1 to 4 and Comparative Example 1) were applied to a glass plate (30 cm × 20 cm), and the resistance values at both ends on the long side were measured with a tester (FLUKE 77III Multimeter) to determine the volume resistivity. Asked.
結果を表１および図１に示す。 The results are shown in Table 1 and FIG.
表１および図１に示したように、実施例１〜４では、導電材料のニッケル粉の添加量の影響により電極間抵抗値や体積抵抗率が低下していることが確認された。また、添加したニッケル粉量が増えるに従って長辺側抵抗値、体積抵抗率は低下する傾向があることが確認された。 As shown in Table 1 and FIG. 1, in Examples 1 to 4, it was confirmed that the inter-electrode resistance value and the volume resistivity were lowered due to the influence of the addition amount of the nickel powder of the conductive material. It was also confirmed that the long side resistance value and the volume resistivity tend to decrease as the amount of added nickel powder increases.
一方、比較例１では、導電材料のニッケル粉が変質し高抵抗であることが確認された。 On the other hand, in Comparative Example 1, it was confirmed that the nickel powder of the conductive material was altered and had high resistance.
＜２＞電磁波シールド特性の評価
上記実施例２の電磁波シールド塗料をポリエステルフィルム（フィルム厚さ：１００μｍ）に塗布し、一般社団法人ＫＥＣ関西電子工業振興センターにおいて開発されたＫＥＣ法により近傍界領域の電磁波シールド周波数特性を測定した。
・電磁波シールド塗料の塗布厚さｔ：（１）ｔ＝７０μｍ、（２）ｔ＝１００μｍ、（３）ｔ＝１２０μｍ
・試料の大きさ ：１０ｃｍ × １０ｃｍ
・測定周波数領域 ：１００ｋＨｚ〜１０００ＭＨｚ
結果を図２、図３に示す。図２、図３に示したように、実施例２の電磁波シールド塗料には電界及び磁界のシールド効果があることが確認された。
<2> Evaluation of electromagnetic shielding characteristics The electromagnetic shielding paint of Example 2 was applied to a polyester film (film thickness: 100 μm), and the near-field region was measured by the KEC method developed at the general incorporated association KEC Kansai Electronics Industry Promotion Center. The electromagnetic shielding frequency characteristics were measured.
Application thickness t of electromagnetic wave shielding paint: (1) t = 70 μm, (2) t = 100 μm, (3) t = 120 μm
・ Sample size: 10cm x 10cm
Measurement frequency range: 100 kHz to 1000 MHz
The results are shown in FIGS. As shown in FIGS. 2 and 3, it was confirmed that the electromagnetic wave shielding paint of Example 2 has an electric field and magnetic field shielding effect.
Claims (6)
An electromagnetic wave shielding article, wherein the electromagnetic wave shielding paint according to any one of claims 1 to 5 is applied.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104356805A (en) * | 2014-10-29 | 2015-02-18 | 安徽朗凯奇建材有限公司 | Anti-static thermal insulation water-based paint and preparation method thereof |
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| JP2002080773A (en) * | 2000-09-11 | 2002-03-19 | Nippon Zeon Co Ltd | Electroconductive coating and electroconductive laminate |
| JP2002088277A (en) * | 2000-09-13 | 2002-03-27 | Fuji Photo Film Co Ltd | Coating material for forming water dispersion transparent electroconductive film |
| JP2005179641A (en) * | 2003-11-25 | 2005-07-07 | Aica Kogyo Co Ltd | Electromagnetic wave-shielding aqueous coating and housing given by using the same |
| JP2006144003A (en) * | 2004-10-26 | 2006-06-08 | Cheil Industries Inc | Conductive coating composition and method for producing the same |
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| JPH0649394A (en) * | 1992-07-29 | 1994-02-22 | Sekisui Chem Co Ltd | Production of transparent solvent-based antistatic coating material |
| JP2002080773A (en) * | 2000-09-11 | 2002-03-19 | Nippon Zeon Co Ltd | Electroconductive coating and electroconductive laminate |
| JP2002088277A (en) * | 2000-09-13 | 2002-03-27 | Fuji Photo Film Co Ltd | Coating material for forming water dispersion transparent electroconductive film |
| JP2005179641A (en) * | 2003-11-25 | 2005-07-07 | Aica Kogyo Co Ltd | Electromagnetic wave-shielding aqueous coating and housing given by using the same |
| JP2006144003A (en) * | 2004-10-26 | 2006-06-08 | Cheil Industries Inc | Conductive coating composition and method for producing the same |
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| CN104356805A (en) * | 2014-10-29 | 2015-02-18 | 安徽朗凯奇建材有限公司 | Anti-static thermal insulation water-based paint and preparation method thereof |
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