CN106336797A - 一种耐高温保温涂料 - Google Patents

一种耐高温保温涂料 Download PDF

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CN106336797A
CN106336797A CN201610767325.1A CN201610767325A CN106336797A CN 106336797 A CN106336797 A CN 106336797A CN 201610767325 A CN201610767325 A CN 201610767325A CN 106336797 A CN106336797 A CN 106336797A
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刘昆虎
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KAIPING CITY PAINT CO Ltd ON SOLID EDGE
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    • 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
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

本发明公开了一种耐高温保温涂料，可用于温度为1100℃的物体内外表面，隔热效率可达到 90%以上，导热系数仅为0.03W/(m·K)，能有效屏蔽辐射热和传导热，减少高温物体的热量散失。本发明的耐高温保温涂料兼具有防水、防火、隔音、抗酸碱腐蚀功能，且施工方便，使用寿命长，可用于高温管道、炉膛、窑炉的内外表面。

Description

一种耐高温保温涂料
技术领域
本发明涉及一种涂料，更具体地涉及一种耐高温保温涂料。
背景技术
热管道在蒸汽或液体输送的过程中会产生热量损耗，传统的方法是采取内衬岩棉外包铁皮的方法，此种方法的缺点是不能观察内包铁管的“跑、冒、滴、漏”。此外，管道的锈蚀容易造成安全上的隐患。
现有技术中的耐温涂料耐温范围通常最高到700～800℃，且耐温变性、防腐性差。因此，开发一种耐高温性能更佳、保温性能强的耐高温保温涂料，具有非常重要的实践意义。
发明内容
本发明的目的在于提供一种耐受温度更高，隔热保温性能更强的耐高温保温涂料。
本发明所采取的技术方案是：
一种耐高温保温涂料，含有有机硅水性树脂、水性环氧树脂、水性聚氨酯树脂、蛭石粉、珍珠岩粉、硅藻土、消泡剂、分散剂、防腐剂。
上述各组分的质量组成为有机硅水性树脂25％～30％、水性环氧树脂10％～15％、水性聚氨酯树脂5％～10％、蛭石粉10％～15％、珍珠岩粉20％～25％、硅藻土10％～15％、消泡剂1％～3％、分散剂2％～3％、防腐剂3％～5％。
其中，所述的蛭石粉为500～700目；所述的珍珠岩粉为700～900目；所述的硅藻土为1150～1350目；所述的消泡剂为水性硅油；所述的分散剂为六偏磷酸钠；所述的防腐剂为苯甲酸钠。
本发明的有益效果是：
本发明的耐高温保温涂料可用于温度为1100℃的物体内外表面，隔热效率可达到90％以上，导热系数仅为0.03W/(m·K)，能有效屏蔽辐射热和传导热，减少高温物体的热量散失。
本发明的耐高温保温涂料兼具有防水、防火、隔音、抗酸碱腐蚀功能，且施工方便，使用寿命长，可用于高温管道、炉膛、窑炉的内外表面。
具体实施方式
下面结合实施例对本发明作进一步的具体描述，但并不局限于此。
实施例1
一种耐高温保温涂料，其质量组成为有机硅水性树脂25％、水性环氧树脂10％、水性聚氨酯树脂10％、600目蛭石粉15％、800目珍珠岩粉20％、1250目硅藻土10％、水性硅油3％、六偏磷酸钠2％、苯甲酸钠5％。
实施例2
一种耐高温保温涂料，其质量组成为有机硅水性树脂30％、水性环氧树脂10％、水性聚氨酯树脂5％、600目蛭石粉10％、800目珍珠岩粉25％、1250目硅藻土10％、水性硅油2％、六偏磷酸钠3％、苯甲酸钠5％。
实施例3
一种耐高温保温涂料，其质量组成为有机硅水性树脂25％、水性环氧树脂15％、水性聚氨酯树脂5％、600目蛭石粉10％、800目珍珠岩粉20％、1250目硅藻土15％、水性硅油3％、六偏磷酸钠3％、苯甲酸钠4％。
实施例4
将实施例1～3制备得到的耐高温保温涂料，进行耐热、隔热性能试验，实验方法如下：
耐热性能测试：选用厚度1mm的钢板，尺寸为20cm×20cm的正方形，表面清洗干净并完全干燥后，两面及四周均涂刷厚度为0.5mm的实施例1～3的耐高温保温涂料，完全固化后，用带温度显示的高温设备作为热源，将钢板分别加热至900℃、1000℃和1100℃，保持15min，取出冷却，观察涂层表面情况。
结果发现，实施例1～3所制备的耐高温保温涂料在1100℃下均不起泡，不起层、不脱落，可耐受1100℃高温。
隔热性能测试：选用厚度为2mm铝镁合金板，尺寸为20cm×20cm的正方形，表面清洗干净并完全干燥后，利用实施例1～3的耐高温保温涂料，分多次涂刷，每次涂刷需要在前一次涂刷表面干燥后进行，涂刷总厚度分别为6mm、10mm，完全固化后，用带温度显示的高温设备作为热源，将涂刷后的基材的一面加热至900℃，保持5min，另一面用表面温度测试仪测试温度。
结果如下表所示，隔热效率均达90％以上，
利用导热系数仪测得上述耐高温保温涂料的导热系数仅为0.03W/(m·K)。

Claims (8)

1.一种耐高温保温涂料，其特征在于：含有有机硅水性树脂、水性环氧树脂、水性聚氨酯树脂、蛭石粉、珍珠岩粉、硅藻土、消泡剂、分散剂、防腐剂。
2.根据权利要求1所述的一种耐高温保温涂料，其特征在于：质量组成为有机硅水性树脂25%～30%、水性环氧树脂10%～15%、水性聚氨酯树脂5%～10%、蛭石粉10%～15%、珍珠岩粉20%～25%、硅藻土10%～15%、消泡剂1%～3%、分散剂2%～3%、防腐剂3%～5%。
3.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述的蛭石粉为500～700目。
4.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述的珍珠岩粉为700～900目。
5.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述硅藻土为1150～1350目。
6.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述消泡剂为水性硅油。
7.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述分散剂为六偏磷酸钠。
8.根据权利要求1所述的一种耐高温保温涂料，其特征在于：所述防腐剂为苯甲酸钠。
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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN108912934A (zh) * 2018-07-16 2018-11-30 安徽正阳机械科技有限公司 一种谷物干燥机机体内部用耐高温涂料
CN108948822A (zh) * 2018-04-11 2018-12-07 天长市巨龙车船涂料有限公司 一种增强型隔音涂料
CN110483074A (zh) * 2019-08-13 2019-11-22 深圳市捷厨厨房设备有限公司 一种燃气灶免砌砖炉膛浇注料配方及制备方法
CN111013966A (zh) * 2019-11-06 2020-04-17 苏州朗威电子机械股份有限公司 一种服务器机柜生产的涂漆工艺方法
CN111718640A (zh) * 2020-07-28 2020-09-29 上海泰梧科技有限公司 一种抗酸性高交联密度酚醛环氧涂料及其制备方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108948822A (zh) * 2018-04-11 2018-12-07 天长市巨龙车船涂料有限公司 一种增强型隔音涂料
CN108912934A (zh) * 2018-07-16 2018-11-30 安徽正阳机械科技有限公司 一种谷物干燥机机体内部用耐高温涂料
CN110483074A (zh) * 2019-08-13 2019-11-22 深圳市捷厨厨房设备有限公司 一种燃气灶免砌砖炉膛浇注料配方及制备方法
CN111013966A (zh) * 2019-11-06 2020-04-17 苏州朗威电子机械股份有限公司 一种服务器机柜生产的涂漆工艺方法
CN111718640A (zh) * 2020-07-28 2020-09-29 上海泰梧科技有限公司 一种抗酸性高交联密度酚醛环氧涂料及其制备方法

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