TW201538651A - Heat dissipation paint solution, its application and heat dissipation device - Google Patents
Heat dissipation paint solution, its application and heat dissipation device Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20472—Sheet interfaces
- H05K7/20481—Sheet interfaces characterised by the material composition exhibiting specific thermal properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/01—Magnetic additives
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Abstract
Description
本發明關於一種散熱技術，尤指一種散熱塗料溶液、其應用及散熱裝置。The invention relates to a heat dissipation technology, in particular to a heat dissipation coating solution, an application thereof and a heat dissipation device.
隨著電子產品的精密化設計，電子產品的運作過程常伴隨著大量熱能的產生，若無法有效地將熱能逸散，將使電子產品發生過熱之問題，甚而影響其品質與可靠度。With the precision design of electronic products, the operation process of electronic products is often accompanied by a large amount of thermal energy. If the heat energy cannot be effectively dissipated, the overheating of electronic products will be caused, which will even affect its quality and reliability.
為避免前述問題，現有技術多半係於電子產品的熱源設置散熱鰭片或風扇，以期能藉由提高表面積或增加熱對流的方式，將熱源逸散至電子產品的外部。然而，設置散熱鰭片將增加電子產品的整體體積大小；且風扇除了會增加電子產品的體積外，更需額外通入電源才能驅動風扇運轉，達到降低電子產品的溫度之目的。In order to avoid the foregoing problems, the prior art mostly places heat sink fins or fans on the heat source of the electronic product, so as to escape the heat source to the outside of the electronic product by increasing the surface area or increasing the heat convection. However, the provision of heat sink fins will increase the overall size of the electronic product; and in addition to increasing the size of the electronic product, the fan needs to be additionally powered to drive the fan to reduce the temperature of the electronic product.
然而，前述解決問題的技術手段皆不利於電子產品往輕薄化及節能的方向發展。為克服前述限制，現有技術轉而在電子裝置上塗佈散熱塗層，以期能在符合電子產品之輕薄化、節能化之需求下，達到散熱之目的。However, the aforementioned technical means for solving the problem are not conducive to the development of electronic products in the direction of thinning and energy saving. In order to overcome the above limitations, the prior art has in turn applied a heat-dissipating coating on an electronic device in order to achieve the purpose of heat dissipation in accordance with the demand for lightness and thinness and energy saving of electronic products.
目前已發展之散熱塗層的材料多半係以經化學改質之奈米碳材為主，由於該經化學改質之奈米碳材的殼層結構受到破壞，致使該經化學改質之奈米碳材無法獲得足夠的耐熱性，故現有技術之散熱塗層無法適用在400°C以上的溫度下發揮所需之散熱效果。Most of the materials for the heat-dissipating coatings that have been developed are mainly chemically modified nano-carbon materials. Due to the destruction of the shell structure of the chemically modified nano-carbon materials, the chemically modified Nana The carbon material cannot obtain sufficient heat resistance, so the prior art heat-dissipating coating cannot be applied to the required heat dissipation at a temperature of 400 ° C or higher.
有鑑於現有技術之技術缺陷，本發明之目的在於發展一種散熱塗料溶液，其能適用於金屬材質或塑膠材質的基材上，並且形成一結構簡單、無需耗費額外能源及安全耐用的散熱塗層，藉此解決電子產品或相關車用零組件產品因溫度過高而衍生之問題。In view of the technical deficiencies of the prior art, the object of the present invention is to develop a heat-dissipating coating solution which can be applied to a substrate made of metal or plastic material and which forms a heat-dissipating coating which is simple in structure, requires no extra energy, and is safe and durable. In order to solve the problem of electronic products or related automotive components due to excessive temperature.
為達成前述目的，本發明提供一種散熱塗料溶液，其包括一未經改質之奈米碳材、複數樹脂凝膠微粒及一溶劑，該等樹脂凝膠微粒係分散於該溶劑中，且該未經改質之奈米碳材係附著於該等樹脂凝膠微粒之表面上，且該等樹脂凝膠微粒之材料包括變性壓克力聚醇樹脂、矽酸鹽樹脂、矽氧烷樹脂或氟碳樹脂；其中，以散熱塗料溶液之總重為基準，該未經改質之奈米碳材的含量介於0.1重量百分比至10重量百分比之間。In order to achieve the foregoing object, the present invention provides a heat-dissipating paint solution comprising an unmodified nano carbon material, a plurality of resin gel particles and a solvent, wherein the resin gel particles are dispersed in the solvent, and The unmodified nanocarbon material is attached to the surface of the resin gel particles, and the materials of the resin gel particles include a denatured acrylic resin, a phthalate resin, a decane resin or A fluorocarbon resin; wherein the content of the unmodified nanocarbon material is between 0.1% by weight and 10% by weight based on the total weight of the heat-dissipating coating solution.
據此，本發明之散熱塗料溶液因含有未經改質之奈米碳材及樹脂凝膠微粒，故能使未經改質之奈米碳材在保留原有的不飽和雙鍵結構及封閉的殼層結構下，提供良好的熱輻射之散熱效果，並使未經改質之奈米碳材能附著於該等樹脂凝膠微粒之表面上，藉以確保散熱塗料溶液中的樹脂凝膠微粒及未經改質之奈米碳材皆能具備良好的分散性，以提升其應用性。Accordingly, the heat-dissipating coating solution of the present invention can contain the unmodified nano carbon material and the resin gel particles, so that the unmodified nano carbon material retains the original unsaturated double bond structure and is closed. Under the shell structure, it provides good heat radiation heat dissipation effect, and the unmodified nano carbon material can adhere to the surface of the resin gel particles to ensure the resin gel particles in the heat dissipation coating solution. And the unmodified nano carbon material can have good dispersibility to enhance its applicability.
較佳的，以散熱塗料溶液之總重為基準，該等樹脂凝膠微粒的含量介於20重量百分比至60重量百分比之間，該溶劑的含量介於35重量百分比至75重量百分比之間。Preferably, the content of the resin gel particles is between 20% by weight and 60% by weight based on the total weight of the heat-dissipating coating solution, and the content of the solvent is between 35% by weight and 755% by weight.
較佳的，該散熱塗料溶液於25°C下之黏度係介於5 cP至200 cP之間；該等樹脂凝膠微粒之平均粒徑介於0.1微米至10微米之間。據此，本發明之散熱塗料溶液不僅能具備良好的分散性，更能適用於使用濕式噴塗法將散熱塗料溶液形成於一電子產品或相關車用零組件產品上，以提升本發明之散熱塗料溶液的應用性。Preferably, the heat-dissipating coating solution has a viscosity between 5 cP and 200 cP at 25 ° C; and the average particle diameter of the resin gel particles is between 0.1 μm and 10 μm. Accordingly, the heat-dissipating coating solution of the present invention can not only have good dispersibility, but also is suitable for forming a heat-dissipating coating solution on an electronic product or related automotive component product by using a wet spraying method, thereby improving the heat dissipation of the present invention. The applicability of the coating solution.
較佳的，該未經改質之奈米碳材包含奈米石墨、奈米碳管、奈米碳球、奈米碳黑或其混合物；該未經改質之奈米碳材的比表面積係介於50 m2 /g至2000 m2 /g之間。較佳的，該未經改質之奈米碳材為奈米碳球，其粒徑1奈米至100奈米之間。Preferably, the unmodified nano carbon material comprises nano graphite, carbon nanotubes, nano carbon spheres, nano carbon black or a mixture thereof; specific surface area of the unmodified nano carbon material The system is between 50 m 2 /g and 2000 m 2 /g. Preferably, the unmodified nano carbon material is a nano carbon sphere having a particle diameter of between 1 nm and 100 nm.
較佳的，該溶劑係選自於下列所組成之群組：甲苯、二甲苯、乙酸乙酯、乙酸丁酯、乙酸戊酯、乙酸異戊酯、乙醇、異丙醇、正丁醇、水及其組合。據此，搭配前述選用的樹脂凝膠微粒的種類，能確保樹脂凝膠微粒在前述溶劑中具有良好的分散性。Preferably, the solvent is selected from the group consisting of toluene, xylene, ethyl acetate, butyl acetate, amyl acetate, isoamyl acetate, ethanol, isopropanol, n-butanol, water And their combinations. According to this, it is possible to ensure that the resin gel fine particles have good dispersibility in the solvent together with the type of the resin gel fine particles selected as described above.
較佳的，該散熱塗料溶液包括鈷藍，以散熱塗料溶液之總重為基準，鈷藍的含量介於1重量百分比至5重量百分比之間。據此，所述之散熱塗料溶液更能進一步提供良好的熱輻射之散熱效果。Preferably, the heat-dissipating paint solution comprises cobalt blue, and the content of cobalt blue is between 1% by weight and 5% by weight based on the total weight of the heat-dissipating paint solution. Accordingly, the heat dissipation coating solution can further provide good heat radiation heat dissipation.
依據本發明，「未經改質之奈米碳材」係指該一表面未經官能基進行化學改質之奈米碳材，故該未經改質之奈米碳材能保留原有的不飽和雙鍵結構及封閉的殼層結構，藉此確保包含其之散熱塗料溶液提供良好的熱輻射及熱傳導效果。舉例而言，當選用未經改質之奈米碳球作為未經改質之奈米碳材時，由於該未經改質之奈米碳球仍保留有完整的封閉球殼結構及石墨層結構，藉由該石墨層結構中的不飽和雙鍵結構能確保該未經改質之奈米碳球於630°C以上之空氣中仍具備良好的耐熱性，故包含其之散熱塗料溶液能得以提供良好的熱輻射及熱傳導之散熱效果。According to the present invention, "unmodified carbon nanomaterial" means a nanocarbon material whose surface is not chemically modified without a functional group, so the unmodified nano carbon material can retain the original The unsaturated double bond structure and the closed shell structure ensure that the heat-dissipating coating solution containing the same provides good heat radiation and heat conduction. For example, when an unmodified nanocarbon carbon sphere is selected as the unmodified nanocarbon material, the unmodified nanocarbon carbon sphere still retains a complete closed spherical shell structure and a graphite layer. The structure, the unsaturated double bond structure in the graphite layer structure can ensure that the unmodified nanocarbon carbon ball has good heat resistance in air above 630 ° C, so the heat dissipation coating solution can be included therein It provides good heat radiation and heat dissipation.
本發明另提供一種散熱塗料溶液之應用，其包括使用濕式噴塗法將前述之散熱塗料溶液噴塗於一基材上；於25°C至300°C乾燥該散熱塗料溶液，以於該基材上形成一散熱塗層。The invention further provides an application of a heat dissipating coating solution, comprising: spraying the foregoing heat dissipating coating solution onto a substrate by using a wet spraying method; drying the heat dissipating coating solution at 25 ° C to 300 ° C for the substrate A heat dissipation coating is formed thereon.
較佳的，當散熱塗料溶液中的樹脂凝膠微粒之材料為矽酸鹽樹脂；以散熱塗料溶液之總重為基準，該等矽酸鹽樹脂凝膠微粒的含量介於20重量百分比至60重量百分比之間，該溶劑的含量介於35重量百分比至75重量百分比之間。據此，該散熱塗料溶液能具備良好的耐熱性，故該散熱塗料溶液能以180°C至300°C之溫度下於一金屬基材上乾燥形成一散熱塗層；該金屬基材例如：鋁基材、汽車之渦輪增壓器或來令片等。Preferably, when the material of the resin gel particles in the heat-dissipating paint solution is a phthalate resin; the content of the bismuth silicate resin gel particles is between 20% by weight and 60% based on the total weight of the heat-dissipating paint solution. Between the weight percentages, the solvent is present in an amount between 35 weight percent and 75 weight percent. Accordingly, the heat dissipation coating solution can have good heat resistance, so the heat dissipation coating solution can be dried on a metal substrate at a temperature of 180 ° C to 300 ° C to form a heat dissipation coating; the metal substrate is, for example: Aluminum substrates, turbochargers for automobiles, or ordering sheets.
本發明又提供一種散熱裝置，該散熱裝置包含一熱導性基材及形成於該熱導性基材上之一散熱塗層，其中該熱導性基材之材料係為陶瓷、石墨、金屬、合金、半導體、樹脂，且該散熱塗層係由如前所述之散熱塗料溶液所形成。於此，本案可適用之熱導性基材可為陶瓷均溫板、石墨層、石墨棒、金屬熱導管、積體電路板、渦輪增壓器、散熱鰭片、晶圓、封裝元件等，但並非僅限於此。The present invention further provides a heat dissipating device comprising a thermally conductive substrate and a heat dissipating coating formed on the thermally conductive substrate, wherein the material of the thermally conductive substrate is ceramic, graphite, metal , alloy, semiconductor, resin, and the heat-dissipating coating is formed by the heat-dissipating coating solution as described above. Here, the heat conductive substrate applicable to the present invention may be a ceramic uniform temperature plate, a graphite layer, a graphite rod, a metal heat pipe, an integrated circuit board, a turbocharger, a heat sink fin, a wafer, a package component, and the like. But it is not limited to this.
綜上所述，本發明提供一種散熱塗料溶液，其不僅能提供良好的熱輻射之散熱效果，更能確保散熱塗料溶液中的樹脂凝膠微粒及未經改質之奈米碳材皆能具備良好的分散性，故本發明之散熱塗料溶液能適用以濕式噴塗法在各種材質之基材上形成一散熱塗層，藉此獲得廣泛的應用性。據此，由散熱塗料溶液所形成之散熱塗層不僅具有結構簡單及耐腐蝕性等特點，包含此種散熱塗層之散熱裝置更可以在不需耗費額外能源或無風的情況下提供良好的散熱效果。In summary, the present invention provides a heat-dissipating coating solution which not only provides a good heat radiation heat-dissipating effect, but also ensures that the resin gel particles in the heat-dissipating coating solution and the unmodified nano carbon material can be provided. With good dispersibility, the heat-dissipating coating solution of the present invention can be applied to form a heat-dissipating coating on a substrate of various materials by a wet spraying method, thereby obtaining wide applicability. Accordingly, the heat dissipation coating formed by the heat dissipation coating solution not only has the characteristics of simple structure and corrosion resistance, but also the heat dissipation device including the heat dissipation coating can provide good heat dissipation without using extra energy or wind. effect.
以下，將藉由具體實施例說明本發明之實施方式，熟習此技藝者可經由本說明書之內容輕易地了解本發明所能達成之優點與功效，並且於不悖離本之精神下進行各種修飾與變更，以施行或應用本發明之內容。In the following, the embodiments of the present invention will be described by way of specific examples, and those skilled in the art can readily understand the advantages and effects of the present invention, and make various modifications without departing from the spirit of the present invention. And changes to implement or apply the content of the present invention.
《實施例1：散熱塗料溶液》<<Example 1: Heat Dissipating Coating Solution》
本實施例選用之原料及其特性如下： 1. 樹脂凝膠微粒 材料：變性壓克力聚醇樹脂； 粒徑：0.1至0.5微米； 2. 溶劑 材料：二甲苯； 3. 奈米碳球 特性：未經官能基進行化學改質； 粒徑：約40奈米； 比表面積：65 m2 /g。The raw materials selected in this embodiment and their characteristics are as follows: 1. Resin gel particulate material: denatured acrylic polyol resin; particle size: 0.1 to 0.5 micron; 2. solvent material: xylene; 3. nanocarbon sphere characteristics : chemical modification without functional groups; particle size: about 40 nm; specific surface area: 65 m 2 /g.
將前述原料混合並且攪拌至均勻狀態後，形成一散熱塗料溶液，於本實施例之散熱塗料溶液中，變性壓克力聚醇樹脂凝膠微粒分散於二甲苯中，且該未經改質之奈米碳球係附著於該等變性壓克力聚醇樹脂凝膠微粒之表面上。以散熱塗料溶液之總重為基準，該變性壓克力聚醇樹脂凝膠微粒的含量約35重量百分比，二甲苯的含量約63重量百分比，未經改質之奈米碳球的含量約2重量百分比。其中，該散熱塗料溶液於25°C下之黏度為10至100 cP；變性壓克力聚醇樹脂凝膠微粒分散於二甲苯中的平均粒徑約0.1至0.5微米之間。After the foregoing raw materials are mixed and stirred to a uniform state, a heat-dissipating paint solution is formed. In the heat-dissipating paint solution of the embodiment, the denatured acrylic polyol resin gel particles are dispersed in xylene, and the unmodified one is Nanocarbon spheres are attached to the surface of the denatured acrylic polyol resin gel particles. Based on the total weight of the heat-dissipating coating solution, the content of the denatured acrylic polyol resin gel particles is about 35 weight percent, the content of xylene is about 63 weight percent, and the content of unmodified nano carbon spheres is about 2 Weight percentage. Wherein, the heat-dissipating coating solution has a viscosity of 10 to 100 cP at 25 ° C; and the denatured acrylic polyol resin gel particles are dispersed in xylene with an average particle diameter of about 0.1 to 0.5 μm.
《實施例2：散熱塗料溶液》<<Example 2: Heat Dissipating Coating Solution》
本實施例選用之原料及其特性如下： 1. 樹脂凝膠微粒 材料：矽酸鹽樹脂； 粒徑：0.1至0.5微米； 2. 溶劑 材料：異丙醇； 3. 奈米碳球 特性：未經官能基進行化學改質； 粒徑：40奈米； 比表面積：65 m2 /g。The raw materials selected in this embodiment and their characteristics are as follows: 1. Resin gel particulate material: phthalate resin; particle size: 0.1 to 0.5 μm; 2. Solvent material: isopropanol; 3. Nano carbon sphere characteristics: not Chemically modified by functional groups; particle size: 40 nm; specific surface area: 65 m 2 /g.
將前述原料混合並且攪拌至均勻狀態後，形成一散熱塗料溶液，於本實施例之散熱塗料溶液中，矽酸鹽樹脂凝膠微粒分散於異丙醇中，且該未經改質之奈米碳球係附著於該等矽酸鹽樹脂凝膠微粒之表面上。於此，以散熱塗料溶液之總重為基準，該矽酸鹽樹脂凝膠微粒的含量約48重量百分比，異丙醇的含量約50重量百分比，未經改質之奈米碳球的含量約2重量百分比。其中，該散熱塗料溶液於25°C下之黏度為10至100 cP；矽酸鹽樹脂凝膠微粒分散於異丙醇中的平均粒徑約0.1至0.5微米之間。After the foregoing raw materials are mixed and stirred to a uniform state, a heat-dissipating paint solution is formed. In the heat-dissipating paint solution of the embodiment, the phthalate resin gel particles are dispersed in isopropyl alcohol, and the unmodified nanometer is dispersed. Carbon spheres are attached to the surface of the phthalate resin gel particles. Here, based on the total weight of the heat-dissipating coating solution, the content of the bismuth silicate resin gel particles is about 48% by weight, the content of isopropyl alcohol is about 50% by weight, and the content of the unmodified nanocarbon carbon sphere is about 2 weight percent. Wherein, the heat-dissipating paint solution has a viscosity of 10 to 100 cP at 25 ° C; and the cerium-acid resin gel particles are dispersed in isopropyl alcohol with an average particle diameter of about 0.1 to 0.5 μm.
《實施例3：散熱塗料溶液》Example 3: Heat Dissipating Coating Solution
本實施例選用之原料及其特性如下： 1. 樹脂凝膠微粒 材料：矽酸鹽樹脂； 粒徑：0.1至0.5微米； 2. 溶劑 材料：異丙醇； 3. 奈米碳球 特性：未經官能基進行化學改質； 粒徑：40奈米； 比表面積：65 m2 /g； 4. 添加劑： 材料：鈷藍。The raw materials selected in this embodiment and their characteristics are as follows: 1. Resin gel particulate material: phthalate resin; particle size: 0.1 to 0.5 μm; 2. Solvent material: isopropanol; 3. Nano carbon sphere characteristics: not Chemically modified by functional groups; particle size: 40 nm; specific surface area: 65 m 2 /g; 4. Additive: Material: Cobalt blue.
將前述原料混合並且攪拌至均勻狀態後，形成一散熱塗料溶液，於本實施例之散熱塗料溶液中，矽酸鹽樹脂凝膠微粒分散於異丙醇中，且該未經改質之奈米碳球係附著於該等矽酸鹽樹脂凝膠微粒之表面上，鈷藍則均勻分佈於溶劑之液相中。於此，以散熱塗料溶液之總重為基準，該矽酸鹽樹脂凝膠微粒的含量約46重量百分比，異丙醇的含量約50重量百分比，未經改質之奈米碳球的含量約2重量百分比之間，鈷藍的含量約2重量百分比。After the foregoing raw materials are mixed and stirred to a uniform state, a heat-dissipating paint solution is formed. In the heat-dissipating paint solution of the embodiment, the phthalate resin gel particles are dispersed in isopropyl alcohol, and the unmodified nanometer is dispersed. The carbon spheres are attached to the surface of the bismuth silicate resin gel particles, and the cobalt blue is uniformly distributed in the liquid phase of the solvent. Here, based on the total weight of the heat-dissipating coating solution, the content of the bismuth silicate resin gel particles is about 46% by weight, the content of isopropyl alcohol is about 50% by weight, and the content of the unmodified nanocarbon carbon sphere is about Between 2 weight percent, the cobalt blue content is about 2 weight percent.
《實施例4：散熱塗料溶液》Example 4: Heat Dissipating Coating Solution
本實施例選用之原料及其特性如下： 1. 樹脂凝膠微粒 材料：矽酸鹽樹脂； 粒徑：0.1至0.5微米； 2. 溶劑 材料：水； 3. 奈米碳球 特性：未經官能基進行化學改質； 粒徑：40奈米； 比表面積：65 m2 /g。The raw materials and characteristics selected in this embodiment are as follows: 1. Resin gel particulate material: phthalate resin; particle size: 0.1 to 0.5 μm; 2. Solvent material: water; 3. Nano carbon sphere characteristics: unfunctionalized The base was chemically modified; particle size: 40 nm; specific surface area: 65 m 2 /g.
將前述原料混合並且攪拌至均勻狀態後，形成一水性散熱塗料溶液，於本實施例之水性散熱塗料溶液中，矽酸鹽樹脂凝膠微粒分散於水中，且該未經改質之奈米碳球係附著於該等矽酸鹽樹脂凝膠微粒之表面上。於此，以水性散熱塗料溶液之總重為基準，該矽酸鹽樹脂凝膠微粒的含量約48重量百分比，異丙醇的含量約50重量百分比，未經改質之奈米碳球的含量約2重量百分比之間。其中，該水性散熱塗料溶液於25°C下之黏度為10至100 cP；矽酸鹽樹脂凝膠微粒分散於水中的平均粒徑約0.1至0.5微米之間。After the foregoing raw materials are mixed and stirred to a uniform state, an aqueous heat-dissipating paint solution is formed. In the aqueous heat-dissipating paint solution of the embodiment, the phthalate resin gel particles are dispersed in water, and the unmodified nano carbon is dispersed. The ball system is attached to the surface of the bismuth silicate resin gel particles. Here, based on the total weight of the aqueous heat-dissipating coating solution, the content of the phthalate resin gel particles is about 48% by weight, the content of isopropyl alcohol is about 50% by weight, and the content of the unmodified nanocarbon spheres is Between about 2 weight percent. Wherein, the aqueous heat-dissipating paint solution has a viscosity of 10 to 100 cP at 25 ° C; and the cerium-acid resin gel particles are dispersed in water with an average particle diameter of about 0.1 to 0.5 μm.
《實施例5：散熱塗層》Embodiment 5: Heat Dissipation Coating
本實施例選用實施例1之散熱塗料溶液為原料，以濕式噴塗法將該散熱塗料溶液噴塗於一鋁片上，再以80°C之溫度烘烤該鋁片30分鐘，藉以於該鋁片上形成一厚度約15微米之散熱塗層。In this embodiment, the heat-dissipating coating solution of the first embodiment is selected as a raw material, and the heat-dissipating coating solution is sprayed on an aluminum sheet by a wet spraying method, and then the aluminum sheet is baked at a temperature of 80 ° C for 30 minutes, thereby being used on the aluminum sheet. A heat sink coating having a thickness of about 15 microns is formed.
於此，所形成之散熱塗層為一透明散熱塗層。Here, the formed heat dissipation coating is a transparent heat dissipation coating.
《實施例6：散熱塗料溶液之應用》<<Example 6: Application of heat-dissipating coating solution》
本實施例選用實施例2之散熱塗料溶液為原料，以濕式噴塗法將該散熱塗料溶液噴塗於一馬口鐵上，再以200°C之溫度烘烤該馬口鐵30分鐘，藉以於該馬口鐵上形成一厚度約2.5微米之散熱塗層。In this embodiment, the heat-dissipating paint solution of the second embodiment is selected as a raw material, and the heat-dissipating paint solution is sprayed on a tinplate by a wet spraying method, and then the tinplate is baked at a temperature of 200 ° C for 30 minutes, thereby forming on the tinplate. A heat sink coating having a thickness of about 2.5 microns.
於此，所形成之散熱塗層為一霧面散熱塗層。Here, the formed heat dissipation coating is a matte heat dissipation coating.
《實施例7：散熱塗料溶液之應用》<<Example 7: Application of heat-dissipating coating solution》
本實施例選用實施例3之散熱塗料溶液為原料，以濕式噴塗法將該散熱塗料溶液噴塗於一馬口鐵上，再以200°C之溫度烘烤該馬口鐵30分鐘，藉以於該馬口鐵上形成一厚度約2.5微米之散熱塗層。In this embodiment, the heat-dissipating paint solution of the third embodiment is selected as a raw material, and the heat-dissipating paint solution is sprayed on a tinplate by a wet spraying method, and then the tinplate is baked at a temperature of 200 ° C for 30 minutes, thereby forming on the tinplate. A heat sink coating having a thickness of about 2.5 microns.
於此，所形成之散熱塗層為一霧面散熱塗層。Here, the formed heat dissipation coating is a matte heat dissipation coating.
《實施例8：散熱塗料溶液之應用》<<Example 8: Application of heat-dissipating paint solution>>
本實施例選用實施例3之散熱塗料溶液為原料，以濕式噴塗法將該散熱塗料溶液噴塗於一銅箔上，再以200°C之溫度烘烤該銅箔20分鐘，藉以於該銅箔上形成一厚度約2.5微米之散熱塗層。In this embodiment, the heat-dissipating paint solution of the third embodiment is selected as a raw material, and the heat-dissipating paint solution is sprayed on a copper foil by a wet spraying method, and then the copper foil is baked at a temperature of 200 ° C for 20 minutes, whereby the copper is used. A heat sink coating having a thickness of about 2.5 microns is formed on the foil.
於此，所形成之散熱塗層為一霧面散熱塗層。Here, the formed heat dissipation coating is a matte heat dissipation coating.
《實施例9：散熱塗料溶液之應用》<<Example 9: Application of heat-dissipating paint solution>>
本實施例選用實施例4之水性散熱塗料溶液為原料，以濕式噴塗法將該水性散熱塗料溶液噴塗於一渦輪增壓器上，再以200°C之溫度烘烤該銅箔20分鐘，藉以於該銅箔上形成一厚度約2.5微米之散熱塗層。In this embodiment, the water-based heat-dissipating paint solution of the embodiment 4 is selected as a raw material, and the water-based heat-dissipating paint solution is sprayed on a turbocharger by a wet spraying method, and the copper foil is baked at a temperature of 200 ° C for 20 minutes. A heat dissipation coating having a thickness of about 2.5 microns is formed on the copper foil.
於此，所形成之散熱塗層為一霧面散熱塗層。Here, the formed heat dissipation coating is a matte heat dissipation coating.
《試驗例1：散熱塗料層應用於鋁片之散熱效果》"Test Example 1: Heat-dissipating paint layer applied to the heat dissipation effect of aluminum sheet"
於本試驗例中，係以一般鋁片(未噴塗有散熱塗層)作為對照組，使用相同的試驗方法分析一般鋁片與實施例5中噴塗有散熱塗層的鋁片二者的散熱效果。In the test example, a general aluminum sheet (not sprayed with a heat-dissipating coating) was used as a control group, and the same test method was used to analyze the heat dissipation effect of the general aluminum sheet and the aluminum sheet sprayed with the heat-dissipating coating in Example 5. .
於本試驗方法中，係使用純電阻模擬熱源，設定輸入電流控制為0.81 A、輸入電壓控制為17 V、輸入功率為13.7 W，使鋁片之溫度經由相同熱源加熱而上升至最後熱流平衡1小時後，再量測達熱流平衡後一般鋁片及噴塗有實施例5之散熱塗層的鋁片分別藉由熱輻射而降溫的情況，以評斷其散熱效果。In this test method, a pure resistance analog heat source is used, the input current is controlled to be 0.81 A, the input voltage is controlled to 17 V, and the input power is 13.7 W, so that the temperature of the aluminum sheet is heated by the same heat source to rise to the final heat balance 1 After the hour, the aluminum sheet after the heat flow balance was measured and the aluminum sheet coated with the heat-dissipating coating of Example 5 were respectively cooled by heat radiation to judge the heat dissipation effect.
經實驗結果顯示，一般鋁片之溫度約92°C，噴塗有實施例5之散熱塗層的鋁片之溫度約79°C，二者溫度相差13°C。由此可見，實施例5之散熱塗層能提供良好的熱輻射散熱效果。The experimental results show that the temperature of the aluminum sheet is about 92 ° C, and the temperature of the aluminum sheet coated with the heat-dissipating coating of Example 5 is about 79 ° C, and the temperature difference between the two is 13 ° C. It can be seen that the heat dissipation coating of Embodiment 5 can provide a good heat radiation heat dissipation effect.
《試驗例2：散熱塗料層應用於馬口鐵之散熱效果》"Test Example 2: Heat-dissipating paint layer applied to the heat dissipation effect of tinplate"
於本試驗例中，係以一般馬口鐵(未噴塗有散熱塗層)作為對照組，使用相同的試驗方法分析一般馬口鐵與實施例6、7中噴塗有散熱塗層的馬口鐵三者的散熱效果。In this test example, a general tinplate (not sprayed with a heat-dissipating coating) was used as a control group, and the same test method was used to analyze the heat dissipation effect of the general tinplate and the tinplate sprayed with the heat-dissipating coating in Examples 6 and 7.
於本試驗方法中，先使用純電阻模擬熱源，藉由調控輸入電流、輸入電壓的大小控制輸入功率值，使前述馬口鐵之溫度經由相同熱源加熱而皆上升至最後熱流平衡1小時後，再量測達熱流平衡時的溫度大小以及達熱流平衡後一般馬口鐵及噴塗有實施例6、7之散熱塗層的馬口鐵分別藉由熱輻射而降溫的情況，以評斷與比較二者的散熱效果。詳細試驗結果如下表1所示，其中散熱塗層所提供之散熱效果係由一般馬口鐵分別與實施例6或7之噴塗有散熱塗層的馬口鐵二者之溫度差表示之。
《試驗例3：散熱塗料層應用於銅箔之散熱效果》"Test Example 3: Heat-dissipating effect of heat-dissipating paint layer on copper foil"
於本試驗例中，係以一般銅箔(未噴塗有散熱塗層)作為對照組，使用相同的試驗方法分析一般銅箔與實施例8中噴塗有散熱塗層的銅箔二者的散熱效果。In this test example, the general copper foil (uncoated with a heat-dissipating coating) was used as a control group, and the same test method was used to analyze the heat dissipation effect of both the general copper foil and the copper foil sprayed with the heat-dissipating coating in Example 8. .
於本試驗方法中，係將輸入電流控制為0.32 A、輸入電壓控制為9 V，以輸入功率為10 W之條件下，使銅箔之溫度經由相同熱源加熱而上升至最後熱流平衡1小時後，再量測達熱流平衡後一般銅箔及噴塗有實施例8之散熱塗層的銅箔分別藉由熱輻射而降溫的情況，以評斷其散熱效果。In this test method, the input current is controlled to 0.32 A, the input voltage is controlled to 9 V, and the temperature of the copper foil is heated by the same heat source to the last heat flow balance for 1 hour at an input power of 10 W. After measuring the heat flux balance, the general copper foil and the copper foil coated with the heat-dissipating coating of Example 8 were respectively cooled by heat radiation to judge the heat dissipation effect.
經實驗結果顯示，一般銅箔之溫度約58°C，噴塗有實施例8之散熱塗層的銅箔之溫度約51°C，二者溫度相差7°C。由此可見，實施例8之散熱塗層確實能提供良好的熱輻射散熱效果。The experimental results show that the temperature of the general copper foil is about 58 ° C, and the temperature of the copper foil sprayed with the heat-dissipating coating of Example 8 is about 51 ° C, and the temperature difference between them is 7 ° C. Thus, the heat-dissipating coating of Example 8 can provide a good heat radiation heat dissipation effect.
《試驗例4：散熱塗料層應用於渦輪增壓器之散熱效果》"Test Example 4: Heat dissipation coating applied to the turbocharger for heat dissipation"
於本試驗例中，係以一般渦輪增壓器(未噴塗有散熱塗層)作為對照組，使用瓦斯加熱器模擬汽車發動引擎後產生的高溫環境，另於一般渦輪增壓器與噴塗有實施例9之散熱塗層的渦輪增壓器各自取三處連接熱電偶器，以藉由熱電偶器量測一般渦輪增壓器與噴塗有實施例9之散熱塗層的渦輪增壓器上三處不同位置的溫度變化。詳細試驗結果如下表2、表3所示。
如上表2及3所示，噴塗有實施例9之散熱塗層的渦輪增壓器在受到相同的瓦斯加熱器加熱後，渦輪增壓器之平均升溫速率明顯低於未噴塗有散熱塗層的渦輪增壓器，顯示該散熱塗層確實能提供良好的散熱、降溫效果；此外，相較於一般渦輪增壓器上之溫度值，在渦輪增壓器之表面噴塗散熱塗層後能使渦輪增壓器之溫度分別下降約219°C、196.3°C及211.7°C。經由上述實驗結果證實，使用含有未經改質之奈米碳球及矽酸鹽樹脂凝膠微粒的散熱塗料溶液於渦輪增壓器之表面形成散熱塗層，不僅能在850°C以上、甚至是900°C以上之高溫環境中具備提供良好的耐熱性，更能於此高溫環境下提供良好的散熱效果。As shown in Tables 2 and 3 above, the turbocharger sprayed with the heat-dissipating coating of Example 9 after being heated by the same gas heater, the average heating rate of the turbocharger is significantly lower than that of the uncoated heat-dissipating coating. The turbocharger shows that the heat-dissipating coating does provide good heat dissipation and cooling; in addition, compared to the temperature value on a typical turbocharger, the turbine can be sprayed with a heat-dissipating coating on the surface of the turbocharger. The temperature of the supercharger drops by about 219 ° C, 196.3 ° C and 211.7 ° C, respectively. Through the above experimental results, it was confirmed that the heat-dissipating coating solution containing the unmodified nanocarbon spheres and the citrate resin gel particles forms a heat-dissipating coating on the surface of the turbocharger, not only at 850 ° C or higher, but even It is a high temperature environment above 900 °C to provide good heat resistance, and it can provide good heat dissipation in this high temperature environment.
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| CN106047038A (en) * | 2016-07-29 | 2016-10-26 | 昆山初本电子科技有限公司 | LED (Light-Emitting Diode) lamp heat dissipation paint |
| CN106010078A (en) * | 2016-07-29 | 2016-10-12 | 昆山初本电子科技有限公司 | Fluorescent LED (light-emitting diode) lamp radiation paint |
| CN112694815A (en) * | 2020-12-03 | 2021-04-23 | 湖南格仑新材股份有限公司 | Graphene heat dissipation coating, preparation method and application thereof |
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| DE102008025795A1 (en) * | 2007-06-01 | 2008-12-04 | Ostermann, Dieter, Dr. | Heat exchanger useful in district heating power station to exchange heat between a hot exhaust gas flow and a cooling medium, comprises a first pipe for flowing the hot exhaust gas flow, and a second pipe for flowing the cooling medium |
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