CN106752909A - 一种用于镁合金基材的散热涂料 - Google Patents

一种用于镁合金基材的散热涂料 Download PDF

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CN106752909A
CN106752909A CN201611124745.4A CN201611124745A CN106752909A CN 106752909 A CN106752909 A CN 106752909A CN 201611124745 A CN201611124745 A CN 201611124745A CN 106752909 A CN106752909 A CN 106752909A
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magnesium alloy
heat radiation
coating
radiation coating
alloy substrates
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吴肖颜
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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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • 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
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/085—Copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract

本发明公开了一种用于镁合金基材的散热涂料，该涂料由树脂，颜填料，助剂，水等组分组成。本发明选用水性有机硅树脂作为基体树脂，在镁合金基材上具有良好的附着力，可应用于市场上常见的多种散热器基材，并且耐老化性能优良。以不同粒径的碳化硅、铜粉、碳粉作为填料，一方面可以提高涂层散热性能，另一方面可提高涂层的耐腐蚀性。本发明的散热涂料通过科学选材，合理搭配不同类型及不同粒径的填料，使得涂层综合性能优于市面上普通的散热涂料，能广泛用于镁合金基板上。

Description

一种用于镁合金基材的散热涂料
技术领域
本发明涉及涂料领域，具体涉及一种镁合金基材的散热涂料。
背景技术
镁合金是当前最轻的商用金属结构材料，其导热性能仅次于铜和铝，在同时要求轻量化和导热性能的领域具有很好的应用前景，如大型户外灯罩、通讯基站散热部件等。但镁合金耐腐蚀性能差，在工程应用中往往需要采用表面防腐涂层来保证其防腐能力。目前工程上使用最多的是有机涂层，但其导热性差，不可避免地导致镁合金构件综合散热性能下降，成为镁合金在这些领域推广应用的技术瓶颈之一。因此，开发既能保证防腐性能，又具有良好散热性能的有机涂层成为工程界和学术界共同的目标。
发明内容
本发明目的在于，提供一种散热效果好，防腐性能优良的镁合金基材用散热涂料，本发明采用的技术方案如下：
一种用于镁合金基材的散热涂料，其特征在于，由以下组分按重量百分比混合制备而成：
树脂 40-60份
颜填料 30-50份
助剂 2-8份
水 10-20份。
作为优选方案之一，所述的树脂是水性有机硅树脂。
作为优选方案之一，所述的颜填料包括碳化硅、铜粉、碳粉。
作为优选方案之一，所述的碳化硅、铜粉、碳粉按照重量比为2:1:2混合组成。
作为优选方案之一，所述的铜粉目数在200-300目，所述的碳粉目数在300-500目。
本发明相对于现有技术的有益效果是：本发明选用水性有机硅树脂作为基体树脂，在镁合金基材上具有良好的附着力，可应用于市场上常见的多种散热器基材，并且耐老化性能优良。以不同粒径的碳化硅、铜粉、碳粉作为填料，一方面可以提高涂层散热性能，另一方面可提高涂层的耐腐蚀性。本发明的散热涂料通过科学选材，合理搭配不同类型及不同粒径的填料，使得涂层综合性能优于市面上普通的散热涂料，能广泛用于镁合金基板上。
具体实施方式
以下将结合实施例对本发明的构思及产生的技术效果进行清楚、完整地描述，以充分地理解本发明的目的、特征和效果。显然，所描述的实施例只是本发明的一部分实施例，而不是全部实施例，基于本发明的实施例，本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例，均属于本发明保护的范围。
实施例1：一种用于镁合金基材的散热涂料，由以下组分按重量百分比混合制备而成：
树脂 52份
颜填料 33份
助剂 4份
水 11份。
实施例2：一种用于镁合金基材的散热涂料，由以下组分按重量百分比混合制备而成：
水性有机硅树脂 45份
碳化硅 14份
200-300目铜粉 7份
300-500目碳粉 14份
助剂 5份
水 15份。
以上对本发明的较佳实施方式进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。

Claims (5)

1.一种用于镁合金基材的散热涂料，其特征在于，由以下组分按重量百分比混合制备而成：
树脂 40-60份
颜填料 30-50份
助剂 2-8份
水 10-20份。
2.根据权利要求1所述的用于镁合金基材的散热涂料，其特征在于，所述的树脂是水性有机硅树脂。
3.根据权利要求1所述的用于镁合金基材的散热涂料，其特征在于，所述的颜填料包括碳化硅、铜粉、碳粉。
4.根据权利要求3所述的用于镁合金基材的散热涂料，所述的碳化硅、铜粉、碳粉按照重量比为2:1:2混合组成。
5.根据权利要求3或4任意一项所述的用于镁合金基材的散热涂料，所述的铜粉目数在200-300目，所述的碳粉目数在300-500目。
CN201611124745.4A 2016-12-08 2016-12-08 一种用于镁合金基材的散热涂料 Withdrawn CN106752909A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020050381A (ko) * 2000-12-21 2002-06-27 이구택 내식성 및 도막밀착성이 우수한 수지피복조성물 및 이를이용한 피막형성방법
EP1927676A2 (en) * 2006-12-01 2008-06-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Aluminium alloy with high seawater corrosion resistance and plate-fin heat exchanger
CN101353553A (zh) * 2008-09-02 2009-01-28 飞力固有限公司 一种散热涂料及其制备方法
CN103351666A (zh) * 2013-06-19 2013-10-16 天长市金陵电子有限责任公司 一种散热涂料及其制备方法
CN106085221A (zh) * 2016-06-25 2016-11-09 张静 一种有机硅树脂散热涂料的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020050381A (ko) * 2000-12-21 2002-06-27 이구택 내식성 및 도막밀착성이 우수한 수지피복조성물 및 이를이용한 피막형성방법
EP1927676A2 (en) * 2006-12-01 2008-06-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Aluminium alloy with high seawater corrosion resistance and plate-fin heat exchanger
CN101353553A (zh) * 2008-09-02 2009-01-28 飞力固有限公司 一种散热涂料及其制备方法
CN103351666A (zh) * 2013-06-19 2013-10-16 天长市金陵电子有限责任公司 一种散热涂料及其制备方法
CN106085221A (zh) * 2016-06-25 2016-11-09 张静 一种有机硅树脂散热涂料的制备方法

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