CN105038374A - Cooling coating, cooling fin and manufacturing method - Google Patents

Cooling coating, cooling fin and manufacturing method Download PDF

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CN105038374A
CN105038374A CN 201510555460 CN201510555460A CN105038374A CN 105038374 A CN105038374 A CN 105038374A CN 201510555460 CN201510555460 CN 201510555460 CN 201510555460 A CN201510555460 A CN 201510555460A CN 105038374 A CN105038374 A CN 105038374A
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coating
carbon
heat
c60
material
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CN 201510555460
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Chinese (zh)
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吴政轩
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普罗旺斯科技(深圳)有限公司
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives

Abstract

The invention belongs to the technical field of cooling and discloses a cooling coating, a cooling fin and a manufacturing method. The cooling coating, the cooling fin and the manufacturing method are used for dissipating heat of an electric heating device in a direct or indirect contact mode. The cooling coating comprises a carbon system material and a carrier material. The cooling efficiency is high. Compared with the prior art, the process is simple, and cost is low.

Description

一种散热涂层、散热片及制造方法 A heat dissipation coating, and method of manufacturing the fin

技术领域 FIELD

[0001] 本发明涉及电子元器件散热技术领域,尤其涉及在发热元器件散热涂层、散热片及制造方法。 [0001] The present invention relates to a technical field of electronic cooling components, in particular, it relates to heat dissipation coating components, and manufacturing method of the heat sink.

[0002] [0002]

背景技术 Background technique

[0003] 在被动散热技术领域内,中国专利:CN201310083816. 0揭示了一种散热涂层制造方法,使用纳米材料,利用纳米材料的辐射性能进行散热,散热效能好。 [0003] In the technical field of passive cooling, Chinese patent:. CN201310083816 0 discloses a method for manufacturing a heat dissipation coating, use of nanomaterials, the use of radiation heat dissipation properties of nanomaterials, good heat dissipation performance. 但是因为纳米材料价格较贵,再加上上述专利制成工艺复杂,所以产品成本居高不下。 However, since the expensive nano-materials, coupled with the above patents is made complex process, the high cost of the product.

[0004] [0004]

发明内容 SUMMARY

[0005] 本发明主要解决的技术问题是提供一种散热涂层及制造方法,该散热涂层及制造方法可兼顾主动散热时的散热效率,同时获得采用被动散热时电子产品更小巧的体积,提高电子产品散热效率,降低工作环境温度,工艺简单,成本低。 [0005] The present invention solves the technical problem of providing a method for producing coatings and heat dissipation, and manufacturing method of coating the heat dissipation efficiency can be both active cooling, passive cooling time while achieving a more compact size electronic products, Electronics improve heat dissipation efficiency, lower operating temperature, simple process and low cost.

[0006] 为了解决上述技术问题,本发明提供一种散热涂层,该散热涂层,用于直接或间接接触将电发热器件产生的热量散开,其包括碳系材料和载体材料。 [0006] To solve the above problems, the present invention provides a heat dissipation coating, the coating is cooling, for direct or indirect contact with the heat generated by electrical heating devices spread, which comprises a carbon-based material and a support material.

[0007] 进一步地说,所述碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、 二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、10-20%、10-20%、10-20%、5-10% 和5-30%。 [0007] Further to say, the carbonaceous material comprises carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more, when the carbon-based material consists essentially of C60 carbon spheres, carbonized silicon, artificial graphite ,, aluminum nitride, alumina, a mixture consisting of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, titanium oxide weight percent ratio of 5-30%, 10-20 %, 10-20%, 10-20%, 5-10% and 5-30%.

[0008] 进一步地说,所述载体材料为聚氨酯系(PU)、环氧树脂系(EP0XY)、聚氨酯树脂系(HYHRID)、聚酯(POLYESTER)、氟烯烃-乙烯基醚(酯)共聚物涂料(FEVE)。 [0008] Further to say, the carrier material is a polyurethane-based (PU), epoxy resin (EP0XY), a polyurethane-based resin (HYHRID), polyester (POLYESTER), fluoroolefin - vinyl ether (ester) copolymer paint (FEVE).

[0009] 本发明还提供一种散热片,该散热片用于直接或间接接触将电发热器件产生的热量散开,该散热片包括散热基板,在该散热基板至少一面设有散热涂层,所述散热涂层包括碳系材料和载体材料。 [0009] The present invention also provides a heat sink, the heat sink for direct or indirect contact with the heat generated by electrical heating devices spread, the heat sink comprises a heat-dissipating substrate, at least one surface of the substrate provided with the heat dissipation coating, the heat sink comprises a carbon-based material coating and support material.

[0010] 进一步地说,所述碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、 二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、10-20%、10-20%、10-20%、5-10% 和5-30%。 [0010] Further to say, the carbonaceous material comprises carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more, when the carbon-based material consists essentially of C60 carbon spheres, carbonized silicon, artificial graphite ,, aluminum nitride, alumina, a mixture consisting of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, titanium oxide weight percent ratio of 5-30%, 10-20 %, 10-20%, 10-20%, 5-10% and 5-30%.

[0011] 进一步地说,所述载体材料为聚氨酯系(PU)、环氧树脂系(EP0XY)、聚氨酯树脂系(HYHRID)、聚酯(POLYESTER)、氟烯烃-乙烯基醚(酯)共聚物涂料(FEVE)。 [0011] Further to say, the carrier material is a polyurethane-based (PU), epoxy resin (EP0XY), a polyurethane-based resin (HYHRID), polyester (POLYESTER), fluoroolefin - vinyl ether (ester) copolymer paint (FEVE).

[0012] 进一步地说,所述散热基板与发热部件接触面设有粘合层。 [0012] Further to say, the heat radiation substrate and the heat generating member is provided with a contact surface of the adhesive layer.

[0013] 本发明还提供一种散热涂层的制造方法,用于在电发热器件外表面或散热基板上均匀设置将热量转为红外线的散热涂层,该制造方法包括: (1)粉体材料制备,将碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、 二氧化钛其中一种或几种和载体材料为聚氨酯系、环氧树脂系、聚氨酯树脂系、聚酯、氟烯烃-乙烯基醚(酯)共聚物涂料一种或几种进行混合,然后熔融固化,挤出后,进行粉碎成粉体材料。 [0013] The present invention also provides a method for manufacturing a heat dissipating coating is provided for uniformly cooling the heat into infrared coating on the electric heating or cooling the outer surface of the device substrate, the method comprising: (1) Powder preparation of material, the carbon-based material comprising carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, titanium oxide and one or several of the support material is a polyurethane-based, epoxy-based, urethane resin-based, poly esters, fluoroolefin - vinyl ether (ester) copolymer of one or more paint mixing and then melt-solidified, after extrusion, was pulverized into powder materials.

[0014] (2)将所述粉体材料制成散热涂层的步骤包括:将散热材料均匀分布于热源表面, 表面设有粉体材料的热源放置在100-200°C温度下熔融固化1-20分钟。 [0014] (2) the step of cooling the coating formed powder material comprising: a heat sink material is uniformly distributed on the surface of the heat source, the heat source is provided with a surface powder material is allowed to stand at a temperature of 100-200 ° C melted and solidified 1 -20 minutes.

[0015] 进一步地说,所述碳系材料碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、 氧化铝、二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、10-20%、10-20%、10-20%、5-10% 和5-30%。 [0015] Further to say, the carbonaceous material is a carbon-based material comprising carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more, when the carbon-based material mainly composed of carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, a mixture consisting of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, 5-30% by weight, respectively, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.

[0016] 本发明公开一种用于直接或间接接触将电发热器件热量散开的散热涂层、散热片及制造方法。 [0016] discloses a method for direct or indirect contact with the electric heating devices heat the heat spread coating, fin and manufacturing method of the present invention. 该散热涂层包括高导热材料,如石墨等。 The coating comprises a high heat dissipating thermally conductive material such as graphite and the like. 使用时将该散热涂层直接或通过载体与电发热器件接触,由散热涂层中含有的传导材料,如石墨等,将热量快速传导散开。 When using the heat carrier to the coating by direct contact or electric heating device, a heat-conducting material contained in the coating, such as graphite, conductive heat spread quickly.

[0017] 本发明对散热材料的配方进行改进,没有添加价格昂贵的纳米类材料,而且工艺也进行了改进,所以成本大大降低。 [0017] The formulations of the present invention to improve the heat dissipating material, without adding expensive nano-based material, and the process has been improved, so the cost is greatly reduced.

[0018] [0018]

附图说明 BRIEF DESCRIPTION

[0019] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,而描述中的附图是本发明的一些实施例,对于本领域普通技术人员来说,在不付出创造性劳动的前提下,还可以根据这些附图获得其他附图。 [0019] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, the accompanying drawings for describing the embodiments or the prior art described in the need to use brief Apparently, the description and the appended FIG some embodiments of the present invention, those of ordinary skill in the art, without creative efforts, can derive other drawings according to these drawings.

[0020] 图1是本发明散热片实施例剖面结构示意图。 [0020] FIG. 1 is a cross-sectional embodiment of the present invention, the fin structure diagram of embodiment.

[0021] 图2是本发明散热片使用示意图。 [0021] FIG. 2 is a schematic diagram of the present invention is the use of a heat sink.

[0022] 下面结合实施例,并参照附图,对本发明目的的实现、功能特点及优点作进一步说明。 [0022] below with reference to embodiments and with reference to the accompanying drawings, the present invention is to achieve the object, features and advantages will be further described.

具体实施方式 detailed description

[0023] 为了使要发明的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是发明一部分实施例,而不是全部的实施例。 [0023] To make the objectives, technical solutions and advantages to the invention more clearly, the following the present invention in the accompanying drawings, technical solutions of embodiments of the present invention are clearly and completely described, obviously, the described Example embodiments are part of the invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例,都属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without creative efforts shall fall within the scope of the present invention.

[0024] 如图1所示,本发明提供一种用于直接或间接接触将电发热器件1热量散开的散热片,该散热片包括散热基板2,在该散热基板2至少一面设有散热涂层3。 [0024] As shown in FIG. 1, the present invention provides a direct or indirect contact with the electric heating device 1 the fins spread out the heat, the heat sink comprises a heat radiation substrate 2, 2 provided at least one surface of the heat dissipation substrate 3 coating.

[0025] 具体地说,该散热涂层2包括碳系材料和载体材料,碳系材料至少包括碳球C60、 碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、10-20%、10-20%、10-20%、5-10%和5-30%〇 [0025] Specifically, the heat dissipation coating 2 comprises a carbon-based material and a support material, a carbon-based material comprising at least a ball of C60 carbon, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more , when the carbon-based material consists essentially of C60 carbon spheres, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, mixtures of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania 5-30% by weight, respectively, 10-20%, 10-20%, 10-20%, 5-10% and 5-30% billion

[0026] 所述载体材料可以包括聚氨酯系(PU)、环氧树脂系(EPOXY)、聚氨酯树脂系(HYHRID)、聚酯(POLYESTER)或氟烯烃-乙烯基醚(酯)共聚物涂料(FEVE)等。 The [0026] The support materials may include polyurethane (PU), epoxy resin (EPOXY), polyurethane-based resin (HYHRID), polyester (POLYESTER) or a fluoroolefin - vinyl ether (ester) copolymer coating (FEVE )Wait.

[0027] 使用时将该散热片直接或间接与电发热器件1接触,如图2所示,可以通过设于散热基板2上的粘胶直接或间接与电发热器固定。 [0027] When using the fins direct or indirect contact with the electric heating device 1, shown in Figure 2, it may be provided by the heat dissipation substrate 2 with the adhesive secured directly or indirectly to the electrical heater. 由于散热涂层3包含高传导性能的材料, 如石墨等,当发热器件上的热量传至散热涂层3时,热量随之被这些高传导材料散开。 Since the coating layer 3 comprising a material having a high heat conductivity, such as graphite or the like, when the heat transmitted to the heat dissipation coating device 3, along with the spread of these high heat conductive materials.

[0028] 所述散热基板2为散热材质,包括铝、铜、镁及其合金等,在散热基板2上设有与发热部件1接触面设有粘合层4,使用时通过粘合层4与发热部件1固定,安装方便。 [0028] The heat dissipation substrate 2 as a material including aluminum, copper, magnesium and alloys thereof, provided with a contact surface of the heat generating member is provided with an adhesive layer on the heat dissipation substrate 24, an adhesive layer 4 by using fixing the heat generating member, easy to install.

[0029] 为了更好说明本发明散热片的散热效果,以M0S管进行测试,以贴有中国专利号: CN201310083816. 0的产品为对比,称为比对产品,用热成像仪找出确定M0S管表面最热两个点,分别为Tl、T2温度进行测试,使用比对产品和使用本发明散热片情况下测试获得温度数据如下表所示: [0029] To better illustrate the effects of the present invention, the heat dissipation fins to M0S test tube, affixed to Chinese Patent No:. CN201310083816 0 products for comparison, ratio of the product referred to, is determined to find the thermal imager M0S two points hottest tube surface, were tested for the Tl, T2 temperature, using the ratio of the test product and the fin of the present invention using the temperature data is obtained as follows:

Figure CN105038374AD00051

从上表中的数据对比可以看出,与比对产品相比,散热效果相差不大,但因为对配料进行改进,所以成本大大降低。 As can be seen from the comparison of the data in the above table, compared with the ratio of the product, or less cooling effect, but because of the improved formulation, so the cost is greatly reduced.

[0030] 以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换,而这些修改或替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。 [0030] The above embodiments are intended to illustrate the present invention, rather than limiting;. Although the present invention has been described in detail embodiments, those of ordinary skill in the art should be understood: each of the foregoing which still the technical solutions described in the embodiments may be modified, or some technical features thereof Alternatively, such modifications or replacements do not cause the essence of corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

  1. 1. 一种散热涂层,用于直接或间接接触将电发热器件产生的热量散开,其特征在于: 其包括碳系材料和载体材料。 1. A heat dissipation coating for direct or indirect contact with the heat generated by electrical heating devices spread, characterized in that: it comprises a carbon-based material and a support material.
  2. 2. 根据权利要求1所述的散热涂层,其特征在于: 所述碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、 10-20%、10-20%、 10-20%、5-10%和5-30% 。 2. The coating of heat according to claim 1, wherein: the carbonaceous material comprises carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more, when carbon-based material consists essentially of C60 carbon spheres, silicon carbide, artificial graphite ,, aluminum nitride, alumina, a mixture consisting of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, titanium oxide weight ratio of respectively 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
  3. 3. 根据权利要求1所述的散热涂层,其特征在于: 所述载体材料为聚氨酯系、环氧树脂系、聚氨酯树脂系、聚酯、氟烯烃-乙烯基醚(酯) 共聚物涂料。 3. The heat dissipation coating according to claim 1, wherein: said support material is a polyurethane, epoxy resin, urethane resin, polyester, fluoro-olefin - vinyl ether (ester) copolymer coating.
  4. 4. 一种散热片,直接或间接接触将电发热器件产生的热量散开,该散热片包括散热基板,其特征在于: 在该散热基板至少一面设有散热涂层,所述散热涂层包括碳系材料和载体材料。 4. A heat sink, direct or indirect contact with the heat generated by electrical heating devices spread, the heat sink comprises a heat-dissipating substrate, wherein: the at least one surface provided with a coating in the heat dissipation substrate, said coating comprising a heat carbon-based material and a support material.
  5. 5. 根据权利要求4所述的散热片,其特征在于: 所述碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、 10-20%、10-20%、 10-20%、5-10%和5-30% 。 The fin according to claim 4, wherein: the carbonaceous material comprises carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more, when the carbon carbon-based material consists essentially of C60 balls, silicon carbide, artificial graphite ,, aluminum nitride, alumina, a mixture consisting of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, titanium oxide weight percent ratio 5-30%, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
  6. 6. 根据权利要求4所述的散热片,其特征在于: 所述载体材料为聚氨酯系、环氧树脂系、聚氨酯树脂系、聚酯、氟烯烃-乙烯基醚(酯) 共聚物涂料。 6. A fin according to claim 4, wherein: said support material is a polyurethane, epoxy resin, urethane resin, polyester, fluoro-olefin - vinyl ether (ester) copolymer coating.
  7. 7. -种散热涂层的制造方法,该制造方法包括: (1)粉体材料制备,将碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、 二氧化钛其中一种或几种和载体材料为聚氨酯系、环氧树脂系、聚氨酯树脂系、聚酯、氟烯烃-乙烯基醚(酯)共聚物涂料一种或几种进行混合,然后熔融固化,挤出后,进行粉碎成粉体材料。 7. - A method of fabricating a heat dissipation coating, the method comprising: (1) preparing a powder material, the carbon-based material comprising carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, a titanium oxide wherein and one or several carrier material is polyurethane, epoxy resin, urethane resin, polyester, fluoro-olefin - vinyl ether (ester) copolymer of one or more paint mixing and then melt-solidified after extrusion , crushed into powder materials.
  8. 8. (2)将所述粉体材料制成散热涂层的步骤包括:将散热材料均匀分布于热源表面, 表面设有粉体材料的热源放置在100-200°C温度下熔融固化1-20分钟。 8. (2) the step of cooling the coating formed of the powder material comprising: a heat sink material is uniformly distributed on the surface of the heat source, the heat source is provided with a surface powder material is allowed to stand at a temperature of 100-200 ° C melted and solidified 1- 20 minutes.
  9. 9. 根据权利要求7所述的散热涂层制造方法,其特征在于: 所述碳系材料包括碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛其中一种或几种,当碳系材料主要由碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛组成的混合物时,碳球C60、碳化硅、人工石墨、、氮化铝、氧化铝、二氧化钛重量比分别为5-30%、 10-20%、10-20%、10-20%、5-10% 和5-30%。 9. A method of manufacturing a heat dissipation coating according to claim 7, wherein: the carbonaceous material comprises carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania, wherein one or more , when the carbon-based material consists essentially of C60 carbon spheres, silicon carbide, artificial graphite ,, aluminum nitride, aluminum oxide, mixtures of titanium dioxide, carbon spheres of C60, silicon carbide, artificial graphite ,, aluminum nitride, alumina, titania 5-30% by weight, respectively, 10-20%, 10-20%, 10-20%, 5-10% and 5-30%.
  10. 10. 根据权利要求7或8所述的散热涂层制造方法,其特征在于: 所述载体材料为聚氨酯系、环氧树脂系、聚氨酯树脂系、聚酯、氟烯烃-乙烯基醚(酯) 共聚物涂料。 10. A method of manufacturing a heat dissipation coating of claim 7 or claim 8, wherein: said support material is a polyurethane, epoxy resin, urethane resin, polyester, fluoro-olefin - vinyl ether (ester) copolymer coating.
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