CN105602364A - 一种膨胀型防火涂料 - Google Patents

一种膨胀型防火涂料 Download PDF

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CN105602364A
CN105602364A CN201610175745.0A CN201610175745A CN105602364A CN 105602364 A CN105602364 A CN 105602364A CN 201610175745 A CN201610175745 A CN 201610175745A CN 105602364 A CN105602364 A CN 105602364A
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张耀忠
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Abstract

本发明公开了一种膨胀型防火涂料，由以下组分混合而成：乳液，聚磷酸铵，三聚氰胺，聚戊四醇，水，填料。本发明的防火涂料，使用了聚醋酸乙烯酯乳液，涂膜外观平整，装饰性好，配方设计中，聚磷酸铵与季戊四醇和钛白粉之间调整到最佳配比，耐火性能更好。掺入一定量的钛白粉能显著改善炭层膨胀高度，提高耐火极限。另外硅藻土的加入可以带来炭层膨胀高度、强度、烧蚀率及耐火极限的提高。

Description

一种膨胀型防火涂料
技术领域
本发明涉及涂料领域，具体涉及一种膨胀型防火涂料。
背景技术
被动型防火材料广泛用于保护钢结构，使其免遭火场高温的直接作用，延长钢结构达到临界温度的时间，提高整个钢结构建筑物在火场中的稳定性、可靠性。按机理分类，被动型防火材料可分为非反应型和反应型，前者如防火板、防火砖等，而后者最典型的就是膨胀型防火涂料。
从理论上来讲，常态下膨胀型防火涂料的外观平整，装饰性好。在高温条件下，涂层会发生一系列化学反应，促使涂层体积发生数倍或数十倍的增长，涂层增长形成的“泡沫状”隔热层（以下称炭层）对钢结构形成保护作用。膨胀过程主要由炭源（如季戊四醇）、酸源（如聚磷酸铵）、气源（如三聚氰胺）三者与成膜树脂协同反应而成。
发明内容
本发明目的在于，提供一种外观平整，装饰性好，耐火性能佳的防火涂料，本发明所采用的技术方案是：
一种膨胀型防火涂料，其特征在于，由以下组分按重量百分比混合而成：
乳液10-25份
聚磷酸铵20-40份
三聚氰胺10-20份
聚戊四醇5-15份
水5-18份
填料10-25份。
进一步地，所述的乳液是聚醋酸乙烯酯乳液。
进一步地，所述的填料由钛白粉和硅藻土按照重量比为3:1混合组成。
进一步地，所述钛白粉的TiO2含量大于93%。
进一步地，所述硅藻土的SiO2含量大于85%。
本发明相对于现有技术的有益效果是：本发明的防火涂料，使用了聚醋酸乙烯酯乳液，涂膜外观平整，装饰性好，配方设计中，聚磷酸铵与季戊四醇和钛白粉之间调整到最佳配比，耐火性能更好。掺入一定量的钛白粉能显著改善炭层膨胀高度，提高耐火极限。另外硅藻土的加入可以带来炭层膨胀高度、强度、烧蚀率及耐火极限的提高。
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1：一种膨胀型防火涂料，其特征在于，由以下组分按重量百分比混合而成：
乳液18份
聚磷酸铵22份
三聚氰胺15份
聚戊四醇10份
水15份
填料20份。
实施例2：一种膨胀型防火涂料，其特征在于，由以下组分按重量百分比混合而成：
聚醋酸乙烯酯乳液19份
聚磷酸铵22份
三聚氰胺16份
聚戊四醇11份
水12份
钛白粉15份
硅藻土5份。
实施例3：一种膨胀型防火涂料，其特征在于，由以下组分按重量百分比混合而成：
聚醋酸乙烯酯乳液14份
聚磷酸铵28份
三聚氰胺18份
聚戊四醇9份
水15份
TiO2含量大于93%的钛白粉12份
SiO2含量大于85%的硅藻土4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)

1.一种膨胀型防火涂料，其特征在于，由以下组分按重量百分比混合而成：
乳液10-25份
聚磷酸铵20-40份
三聚氰胺10-20份
聚戊四醇5-15份
水5-18份
填料10-25份。
2.根据权利要求1所述的膨胀型防火涂料，其特征在于，所述的乳液是聚醋酸乙烯酯乳液。
3.根据权利要求1所述的膨胀型防火涂料，其特征在于，所述的填料由钛白粉和硅藻土按照重量比为3:1混合组成。
4.根据权利要求3所述的膨胀型防火涂料，其特征在于，所述钛白粉的TiO2含量大于93%。
5.根据权利要求3所述的膨胀型防火涂料，其特征在于，所述硅藻土的SiO2含量大于85%。
CN201610175745.0A 2016-03-27 2016-03-27 一种膨胀型防火涂料 Pending CN105602364A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107641387A (zh) * 2017-10-12 2018-01-30 山东七维新材料有限公司 一种水性防火涂料及其制备方法
CN109256731A (zh) * 2018-09-05 2019-01-22 镇江朝阳机电科技有限公司 一种阻燃塑料线槽及制造工艺
CN113604127A (zh) * 2021-08-06 2021-11-05 睿安天地(博野)防火材料制造有限公司 一种水性膨胀钢结构防火涂料及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183445A (zh) * 1997-12-25 1998-06-03 赵小鲁 水性膨胀型防火胶
CN101759407A (zh) * 2009-12-01 2010-06-30 山西大学 煤矿井下煤层防火涂料
CN102509594A (zh) * 2011-11-23 2012-06-20 沈阳天荣电缆材料有限公司 一种电缆用阻燃绑扎带及其制造方法
CN104774509A (zh) * 2015-04-22 2015-07-15 北京碧海舟腐蚀防护工业股份有限公司 防火涂料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183445A (zh) * 1997-12-25 1998-06-03 赵小鲁 水性膨胀型防火胶
CN101759407A (zh) * 2009-12-01 2010-06-30 山西大学 煤矿井下煤层防火涂料
CN102509594A (zh) * 2011-11-23 2012-06-20 沈阳天荣电缆材料有限公司 一种电缆用阻燃绑扎带及其制造方法
CN104774509A (zh) * 2015-04-22 2015-07-15 北京碧海舟腐蚀防护工业股份有限公司 防火涂料

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107641387A (zh) * 2017-10-12 2018-01-30 山东七维新材料有限公司 一种水性防火涂料及其制备方法
CN107641387B (zh) * 2017-10-12 2020-04-28 山东七维新材料有限公司 一种水性防火涂料及其制备方法
CN109256731A (zh) * 2018-09-05 2019-01-22 镇江朝阳机电科技有限公司 一种阻燃塑料线槽及制造工艺
CN113604127A (zh) * 2021-08-06 2021-11-05 睿安天地(博野)防火材料制造有限公司 一种水性膨胀钢结构防火涂料及其制备方法

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