CN115029066A - 用于轻型消防设备的抗残火涂层材料及其制备方法与应用 - Google Patents
用于轻型消防设备的抗残火涂层材料及其制备方法与应用 Download PDFInfo
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- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims abstract description 17
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Abstract
本发明涉及消防技术领域,特别涉及一种用于轻型消防设备的抗残火涂层材料及其制备方法与应用。所述抗残火涂层材料包括:聚硅氮烷、固态磷酸二氢铝、氧化物粉末和水。本发明中,聚硅氮烷为主要粘结剂,其在高温和常温下均易凝固,且与基体的结合力极强,使用温度超过1200℃以上,同时磷酸二氢铝具备优异的反应性粘结能力,使得抗残火涂层能够牢固地与不同形状的轻型消防装备牢固结合,还加入粒径细小的氧化物粉末增强抗残火涂层涂覆时的流动性,且氧化物粉末还能够有效填补涂层的孔隙,进而提高抗残火涂层的致密性,从而提高抗残火涂层材料的耐高温性能、氧气阻隔性,达到防止残火复燃的目的。
Description
技术领域
本发明涉及消防技术领域,特别涉及用于轻型消防设备的抗残火涂层材料及其制备方法 与应用。
背景技术
每年,森林火灾、草原火灾、城市内高层建筑火灾和工厂火灾等火灾发生的次数以万计。 在各种类型的火灾救援和灭火行动中,消防人员需要用到消防鞋、消防服、消防帽等轻型消 防装备,以保护自身安全。
完成灭火任务后,消防人员还需要进入火灾现场进行事故勘察、人员抢救和物品抢救等 工作。这种情形下,消防员所穿戴的消防鞋、消防服、消防帽等轻型消防装备与灭火前期进 入火场时所穿戴的消防鞋、消防服、消防帽等轻型消防装备有所不同,其主要以人工编织物 为主。虽然,明显的火源已被扑灭,但火灾现场不可避免地存在一些不易察觉的残余火星、 留有余温的灰烬等,而人工编织物具有一定的可燃性,消防员穿戴其制成的消防鞋、消防服、 消防帽等轻型消防装备进入火灾现场,遇到这些残余火星、留有余温的灰烬,易导致复燃, 存在安全隐患,危害人身安全。同时,为抢救个人财产和物资,普通受灾群众也会进入存在 残余火星、留有余温的灰烬的现场活动,其身穿衣服也有一定的可燃性。
综上,亟需一种能够防止编织物燃烧的抗残火涂层。
发明内容
有鉴于此,本发明的目的在于提供一种用于轻型消防设备的抗残火涂层材料及其制备方 法与应用,以解决灭火后消防员穿戴其制成的消防鞋、消防服、消防帽等轻型消防装备进入 火灾现场或普通群众进入火灾现场导致的复燃的技术问题。
第一个方面,本发明提供一种抗残火涂层材料,包括:聚硅氮烷、固态磷酸二氢铝、氧 化物粉末和水。
可选地,以质量百分比计,所述抗残火涂层材料包括:聚硅氮烷35wt%-40wt%、固态磷 酸二氢铝45wt%-50wt%、氧化物粉末5wt%-10wt%和水余量,优选包括聚硅氮烷38wt%-40wt%、固态磷酸二氢铝48wt%-50wt%、氧化物粉末8wt%-10wt%和水余量。
可选地,所述氧化物粉末为氧化铝、氧化镁、氧化钙、氧化硅和氧化锆中的一种或多种。
可选地,所述氧化物粉末的粒径≤10μm。
可选地,所述氧化物粉末呈球形。
另一个方面,本发明还提供如上所述抗残火涂层材料的制备方法,包括以下步骤:将聚 硅氮烷、固态磷酸二氢铝、氧化物粉末和水搅拌均匀,即得所述抗残火涂层材料。
再一个方面,本发明还提供如上所述抗残火涂层材料或如上所述的制备方法制得的抗残 火涂层材料在编织物制成的轻型消防设备或编织物制成的服装中的应用。
可选地,将抗残火涂层材料涂刷于轻型消防设备或服装表面,随后静置冷却,得到抗残 火涂层。
可选地,涂刷5-10次,优选为8-10次。
可选地,所述涂刷的厚度为1-3mm。
可选地,所述抗残火涂层的致密度≥95%。
如上所述,本发明的用于轻型消防设备的抗残火涂层材料及其制备方法与应用,具有以 下有益效果:
(1)本发明中,聚硅氮烷为主要粘结剂,其在高温和常温下均易凝固,且与基体的结合 力极强,使用温度超过1200℃以上,同时磷酸二氢铝具备优异的反应性粘结能力,使得抗残 火涂层能够牢固地与不同形状的轻型消防装备牢固结合,同时加入粒径细小的氧化物粉末增 强抗残火涂层涂覆时的流动性,并且氧化物粉末还能够有效填补涂层的孔隙,进而提高抗残 火涂层的致密性,从而提高抗残火涂层材料的耐高温性能、氧气阻隔性,达到防止残火复燃 的目的。
(2)本发明中,以聚硅氮烷和磷酸二氢铝作为复配阻燃剂,能够进一步起到阻燃目的; 并且,抗残火涂层材料中,固体含量超过85wt%,能够快速凝固,有利于缩短等待时间,可 以在火灾现场配制涂覆使用,使用便捷。
(3)本发明中,易于控制抗残火涂层的厚度,并且在本发明的涂层厚度内,抗残火涂层 与机体的结合牢度极强,能够有效防止在使用过程中抗残火涂层自轻型消防设备等基体表面 脱落。
附图说明
图1为高温炉中保温处理后,实施例1的涂层块体的形态,涂层保持完整;
图2为致密度检测结果;
图3为高温炉中保温处理后,对比例3的涂层块体的形态,黑色区域显示涂层已经剥落。
具体实施方式
以下通过特定的具体实例说明本发明的实施方式,本领域技术人员可由本说明书所揭露 的内容轻易地了解本发明的其他优点与功效。本发明还可以通过另外不同的具体实施方式加 以实施或应用,本说明书中的各项细节也可以基于不同观点与应用,在没有背离本发明的精 神下进行各种修饰或改变。除特别说明外,本发明所述“wt%”为质量百分比。
本本发明提供一种抗残火涂层材料,以质量百分比计,包括:聚硅氮烷35wt%-40wt%、 固态磷酸二氢铝45wt%-50wt%、粒径≤10μm的球形氧化物粉末5wt%-10wt%和水余量,其中, 氧化物粉末为氧化铝、氧化镁、氧化钙、氧化硅和氧化锆中的一种或多种。
另一个方面,本发明还提供如上所述抗残火涂层材料的制备方法,包括以下步骤:将聚 硅氮烷、固态磷酸二氢铝、氧化物粉末和水搅拌均匀,即得抗残火涂层材料。
再一个方面,本发明还提供如上所述抗残火涂层材料或如上所述的制备方法制得的抗残 火涂层材料在编织物制成的轻型消防设备或编织物制成的服装中的应用,具体为:将抗残火 涂层材料涂刷于轻型消防设备或服装表面,涂刷5-10次,涂刷厚度为1-3mm,随后静置冷却, 得到致密度≥95%的抗残火涂层。
下面通过具体的例举实施例以详细说明本发明。同样应理解,以下实施例只用于对本发 明进行具体的说明,不能理解为对本发明保护范围的限制,本领域的技术人员根据本发明的 上述内容作出的一些非本质的改进和调整均属于本发明的保护范围。下述示例具体的工艺参 数等也仅是合适范围中的一个示例,即本领域技术人员可以通过本文的说明做合适的范围内 选择,而并非要限定于下文示例的具体数值。
实施例1
将聚硅氮烷NS3600、固态磷酸二氢铝粉末、粒径为5μm的球形氧化铝粉末氧化铝和自 来水按照质量百分比35wt%:45wt%:5wt%:15wt%置于搅拌桶中,人工搅拌20min,得到 抗残火涂层材料。
将得到的抗残火涂层材料涂刷于消防鞋表面,涂刷10次,涂刷总厚度为3mm,随后室 温下冷却10min即可自然凝固,得到抗残火涂层。
实施例2
将聚硅氮烷NS3600)、固态磷酸二氢铝粉末、粒径为10μm的球形氧化镁粉末和自来水按照质量百分比40wt%:45wt%:8wt%:7wt%置于搅拌桶中,人工搅拌20min,得到抗残火涂层材料。
将得到的抗残火涂层材料涂刷于编织物制成的消防衣表面,涂刷5次,涂刷总厚度为 1mm,随后室温下冷却5min即可自然凝固,得到抗残火涂层。
实施例3
将聚硅氮烷NS3600、固态磷酸二氢铝粉末、粒径3μm的球形氧化铝粉末、粒径为3μm的球形氧化锆(和自来水按照质量百分比37wt%:46wt%:2.5wt%:2.5wt%:12wt%置于搅拌桶中,人工搅拌20min,得到抗残火涂层材料。
将得到的抗残火涂层材料涂刷于编织物制成的消防帽表面,涂刷7次,涂刷总厚度为 2mm,随后室温下冷却10min即可自然凝固,得到抗残火涂层。
对比例1
本对比例与实施例1的不同之处在于:聚硅氮烷NS3600的质量含量为20wt%,自来水 的含量为25wt%。
对比例2
本对比例与实施例1的不同之处在于:球形氧化铝粉末的含量为30wt%,自来水的含量 为10wt%。
对比例3
本对比例与实施例1的不同之处在于:涂刷1次,涂刷总厚度为0.2mm。
对比例4
本对比例与实施例1的不同之处在于:涂刷15次,涂刷总厚度为5mm。
对比例5
本对比例与实施例1的不同之处在于:聚硅氮烷NS3600的含量为10wt%,固态磷酸二 氢铝粉末的含量为64wt%,自来水的含量为25wt%,氧化铝粉末的含量为1wt%。
性能检测
检测实施例1-3、对比例1-5的抗残火涂层材料的结合牢度,结果如表1和图1所示,结合牢度的检测方法为:将两段长度为10cm,宽度和高度均为5cm的长方体乙烯基树脂用实施例1-3、对比例1及对比例4的抗残火涂层材料分别按照其涂刷方式涂刷粘结牢固后置于 万能试验机中进行拉伸实验,不断增加拉伸力直至两段乙烯基树脂完全分离涂层剥落,剥落 分离时所用的力与长方体树脂面积的比则为涂层材料的结合强度大小
表1结合强度检测结果
由表1可知,与对比例1相比,实施例1的抗残火涂层的粘结强度显著提高,该结果表 明,聚硅氧烷的含量偏低,造成抗残火涂层的粘稠度低且粘结强度较弱。
由表1可知,与对比例4相比,实施例1的抗残火涂层的粘结强度显著提高,该结果表 明,涂刷厚度过厚,造成抗残火涂层的粘结强度较低。
按照实施例1-3及对比例1-3的方式制备好抗残火涂层材料后,分别按照实 施例1-3及对比例1-3的涂刷方式涂刷于乙烯基树脂表面,然后分别按照实施例 1-3及对比例1-3的方式凝固后,将树脂置于1300℃高温炉中保温处理3小时, 随后燃烧去除树脂,得到涂层,并采用阿基米德排水法检测涂层的实际密度,进 而计算得到涂层的致密度,具体步骤为:将试样浸没于已知密度的蒸馏水中,试 样用质量较小的细金属丝悬挂于天平称物端,在此过程中,保证试样完全浸没于 蒸馏水中且不与盛放蒸馏水的容器的侧壁及底壁接触,盛放蒸馏水的容器由支架 支撑,且不与天平秤盘接触,用电子天平对称出试样完全浸没时的质量(W)及 完全干燥时在空气中的质量(W1)进行称重,按照公式Φ=1-(W1/(W1-W)) /ρ*1g/cm3计算试样的孔隙率,式中,ρ为理论密度,(各原料的体积百分比与理 论密度的乘积之和,体积百分比则根据各原料的质量比与其理论密度计算而得) 结果如图2-3和表2所示。
表2致密度和气孔率检测结果
来源 | 致密度/% | 孔隙率/% |
实施例1 | 96 | 4 |
实施例2 | 98 | 2 |
实施例3 | 97 | 3 |
对比例1 | 80 | 20 |
对比例2 | 83 | 17 |
对比例3 | 85 | 15 |
对比例4 | 90 | 10 |
对比例5 | 72 | 28 |
由图1可知,经1300℃温度下保温处理3小时,实施例1的涂层块体未发生熔化等现象, 亦未从树脂基体上剥离,该结果表明,本发明的抗残火涂层材料具备优异的耐高温性能。
由图2和表2可知,与对比例2相比,实施例1的抗残火涂层的致密度显著提高,该结果表明,氧化物粉末的含量偏低,自来水含量偏高,抗残火涂层的气孔未得到有效填充。
由图3可知,涂刷厚度不足,无法为轻型消防装备提供足够保护。
上述实施例仅例示性说明本发明的原理及其功效,而非用于限制本发明。任何熟悉此技 术的人士皆可在不违背本发明的精神及范畴下,对上述实施例进行修饰或改变。因此,举凡 所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等 效修饰或改变,仍应由本发明的权利要求所涵盖。
Claims (10)
1.一种抗残火涂层材料,其特征在于,包括:聚硅氮烷、固态磷酸二氢铝、氧化物粉末和水。
2.根据权利要求1所述的抗残火涂层材料,其特征在于,以质量百分比计,包括:聚硅氮烷35wt%-40wt%、固态磷酸二氢铝45wt%-50wt%、氧化物粉末5wt%-10wt%和水余量。
3.根据权利要求1所述的抗残火涂层材料,其特征在于,所述氧化物粉末为氧化铝、氧化镁、氧化钙、氧化硅和氧化锆中的一种或多种。
4.根据权利要求1所述的抗残火涂层材料,其特征在于,所述氧化物粉末的粒径≤10μm;
和/或,所述氧化物粉末呈球形。
5.权利要求1-4任一项所述抗残火涂层材料的制备方法,其特征在于,包括以下步骤:将聚硅氮烷、固态磷酸二氢铝、氧化物粉末和水搅拌均匀,即得所述抗残火涂层材料。
6.权利要求1-4任一项所述抗残火涂层材料或根据权利要求7所述的制备方法制得的抗残火涂层材料在编织物制成的轻型消防设备或编织物制成的服装中的应用。
7.根据权利要求6所述的应用,其特征在于,将抗残火涂层材料涂刷于轻型消防设备或服装表面,随后静置冷却,得到抗残火涂层。
8.根据权利要求7所述的应用,其特征在于,涂刷5-10次。
9.根据权利要求7所述的应用,其特征在于,所述涂刷的厚度为1-3mm。
10.根据权利要求7所述的应用,其特征在于,所述抗残火涂层的致密度≥95%。
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