CN107760077A - 一种钢结构防火涂料 - Google Patents

一种钢结构防火涂料 Download PDF

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CN107760077A
CN107760077A CN201711111139.3A CN201711111139A CN107760077A CN 107760077 A CN107760077 A CN 107760077A CN 201711111139 A CN201711111139 A CN 201711111139A CN 107760077 A CN107760077 A CN 107760077A
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谢长溪
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    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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Abstract

本发明提供一种钢结构防火涂料，包括外层料和内层料，外层料包括：硅酸盐水泥，水，膨胀珍珠岩粉、海泡石粉，聚乙烯醇纤维、硅灰和引气剂；内层料包括：丙烯酸树脂、季戊四醇，二乙烯三铵、三聚氰胺、多元醇磷酸酯和钛白粉。本发明的主要特点是采用内外两层料，外层料的主要作用是保护隔热，保护内层料过早的承受高温，内层料采用有机材料，主要起到膨胀阻燃的作用，该防火涂料在保持厚度较薄的情况下仍能保持较高的防火性能。

Description

一种钢结构防火涂料
技术领域
本发明申请涉及一种防火涂料，尤其涉及一种钢结构的防火涂料。
背景技术
防火涂料有多种类型，其中用于钢结构防火的是其重要应用，现有技术中的钢结构防火涂料有多种类型，根据防火机理来分，其可以分为厚涂形防火涂料和薄涂形防火涂料。厚涂形防火涂料的防火效果较好，但是其厚度较大，会增加钢结构的自重，影响到结构稳定；薄形防火涂料的厚度在3-7mm，其厚度较薄，不影响钢结构外观，但其是防火效果相对不好，耐火极限不足2小时。
发明内容
为了解决现有技术中存在的上述技术问题，本发明提供一种钢结构防火涂料，该防火涂料在保持较薄的情况下仍能保持较高的防火性能。
为达到上述目的，本发明采用如下技术方案：
一种钢结构防火涂料，包括外层料和内层料，外层料包括：硅酸盐水泥，水，膨胀珍珠岩粉、海泡石粉，聚乙烯醇纤维、硅灰和引气剂；
内层料包括：丙烯酸树脂、季戊四醇，二乙烯三铵、三聚氰胺、多元醇磷酸酯和钛白粉；
其中，内层料涂刷在钢结构表面，外层料涂刷在内层料表面。
所述外层料按重量计的配比是：硅酸盐水泥22％，水38％，膨胀珍珠岩粉18％，海泡石粉11％，聚乙烯醇纤维7％，硅灰3％，引气剂1％。
所述内层料按重量计的配比是：丙烯酸树脂52％,季戊四醇12％，二乙烯三铵6％、三聚氰胺12％、多元醇磷酸酯13％，钛白粉5％。
涂刷在钢结构表面的内层料的厚度控制在2mm以下，涂刷在内层料表面的外层料厚度控制在5-9mm，总厚度控制在10mm以下。
所述外层料由除水之外的其它组分与水混合搅拌后得到。
所述内层料由如下方法制得：丙烯酸树脂缓慢升温至80℃，55分钟后加入季戊四醇，二乙烯三铵、三聚氰胺和多元醇磷酸酯，然后冷却至室温后，加入钛白粉搅拌均匀。
本发明的主要特点是采用内外两层料，外层料的主要作用是保护隔热，保护内层料过早的承受高温，外层料主要采用无机材料，采用硅酸盐水泥作为粘合剂，主要以膨胀珍珠岩粉和海泡石粉作为隔热材料，
内层料采用有机材料，主要起到膨胀阻燃的作用，内层料在受到高温后会膨胀发泡形成耐火层。内层料的特点是能够耐高温、但是缺点是可持续时间段，再高温下30min即可失效，采用外层料包裹后能够在外层料失效后再坚持30min以上，从而延长了整个防火涂料的有效时间。
另外由于内层料为有机材料，其耐候性较差，如果直接外漏的话，其在较短时间内会老化失效。采用外层料包覆后，将内层料保护起来，内层料不再受温度、水分等的影响，耐候性大大提升。
具体实施方式
为了使本发明的目的、技术方案及有益效果更加清楚，本发明用以下具体实施例进行说明，但本发明绝非限于这些例子。
实施例1
一种钢结构防火涂料，包括外层料和内层料，外层料按重量份包括：硅酸盐水泥22％，水38％，膨胀珍珠岩粉18％，海泡石粉11％，聚乙烯醇纤维7％，硅灰3％，引气剂1％。内层料按重量份包括：丙烯酸树脂52％,季戊四醇12％，二乙烯三铵6％、三聚氰胺12％、多元醇磷酸酯13％，钛白粉5％。
将内层料涂刷在钢结构表面，其厚度控制在1mm，外层料涂刷在内层料表面，外层料的厚度控制在9mm，整个防火涂料的厚度控制在10mm。
按照GB 14907—2002进行钢结构防火涂料耐火极限测试，测试结果为：10mm厚的防火涂料的耐火极限为144min。而现有中能达到该耐火极限的防火涂料其厚度要有30mm。
尽管通过参照本发明的优选实施例，已经对本发明进行了描述，但本领域的普通技术人员应当理解，可以在形式上和细节上对其作出各种各样的改变，而不偏离所附权利要求书所限定的本发明的精神和范围。

Claims (6)

1.一种钢结构防火涂料，包括外层料和内层料，其特征在于，
外层料包括：硅酸盐水泥，水，膨胀珍珠岩粉、海泡石粉，聚乙烯醇纤维、硅灰和引气剂；
内层料包括：丙烯酸树脂、季戊四醇，二乙烯三铵、三聚氰胺、多元醇磷酸酯和钛白粉；
其中，内层料涂刷在钢结构表面，外层料涂刷在内层料表面。
2.如权利要求1所述的一种钢结构防火涂料，其特征在于，所述外层料按重量计的配比是：硅酸盐水泥22％，水38％，膨胀珍珠岩粉18％，海泡石粉11％，聚乙烯醇纤维7％，硅灰3％，引气剂1％。
3.如权利要求1所述的一种钢结构防火涂料，其特征在于，所述内层料按重量计的配比是：丙烯酸树脂52％,季戊四醇12％，二乙烯三铵6％、三聚氰胺12％、多元醇磷酸酯13％，钛白粉5％。
4.如权利要求1所述的一种钢结构防火涂料，其特征在于，
涂刷在钢结构表面的内层料的厚度控制在2mm以下，涂刷在内层料表面的外层料厚度控制在5-9mm，总厚度控制在10mm以下。
5.如权利要求2所述的一种钢结构防火涂料，其特征在于，所述外层料由除水之外的其它组分与水混合搅拌后得到。
6.如权利要求3所述的一种钢结构防火涂料，其特征在于，所述内层料由如下方法制得：丙烯酸树脂缓慢升温至80℃，55分钟后加入季戊四醇，二乙烯三铵、三聚氰胺和多元醇磷酸酯，然后冷却至室温后，加入钛白粉搅拌均匀。
CN201711111139.3A 2017-11-13 2017-11-13 一种钢结构防火涂料 Withdrawn CN107760077A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11447419B2 (en) * 2019-12-30 2022-09-20 Qingdao university of technology Lightweight aggregate ultra-high performance concrete (UHPC) and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1995246A (zh) * 2006-12-23 2007-07-11 姚惠渥 环保型复合防火漆
CN101386719A (zh) * 2008-08-28 2009-03-18 冯守中 多功能涂料及其制备方法
CN103664093A (zh) * 2012-09-11 2014-03-26 陕西众晟建设投资管理有限公司 一种轻质保温防火材料
CN204977615U (zh) * 2015-08-01 2016-01-20 台州市美屋建材有限公司 保温抗裂防火涂层结构
CN106905818A (zh) * 2017-03-14 2017-06-30 高建丰 一种石油储罐的耐高温防火保温隔热涂层体系

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1995246A (zh) * 2006-12-23 2007-07-11 姚惠渥 环保型复合防火漆
CN101386719A (zh) * 2008-08-28 2009-03-18 冯守中 多功能涂料及其制备方法
CN103664093A (zh) * 2012-09-11 2014-03-26 陕西众晟建设投资管理有限公司 一种轻质保温防火材料
CN204977615U (zh) * 2015-08-01 2016-01-20 台州市美屋建材有限公司 保温抗裂防火涂层结构
CN106905818A (zh) * 2017-03-14 2017-06-30 高建丰 一种石油储罐的耐高温防火保温隔热涂层体系

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11447419B2 (en) * 2019-12-30 2022-09-20 Qingdao university of technology Lightweight aggregate ultra-high performance concrete (UHPC) and preparation method thereof

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