黄原胶和纳米二氧化硅对无氟泡沫性能的影响

doi:10.16085/j.issn.1000-6613.2022-1888

化工进展 ›› 2023, Vol. 42 ›› Issue (9): 4856-4862.DOI: 10.16085/j.issn.1000-6613.2022-1888

黄原胶和纳米二氧化硅对无氟泡沫性能的影响

王尚彬¹(), 欧红香¹(), 薛洪来¹, 曹海珍¹, 王钧奇², 毕海普¹

^1.常州大学安全科学与工程学院，江苏常州 213164
^2.江苏锁龙消防科技股份有限公司，江苏泰州 225753

收稿日期:2022-10-11 修回日期:2022-10-27 出版日期:2023-09-15 发布日期:2023-09-28
通讯作者: 欧红香
作者简介:王尚彬（1996—），男，硕士研究生，研究方向为泡沫灭火剂的制备及性能。E-mail：649829268@qq.com。
基金资助:
国家自然科学基金(21878026);工信部环保安全技术服务平台项目(2020-0107-3-1);2021年江苏省科技副总项目(FZ20211438);2021年江苏省研究生工作站项目(2021-187);常州市重点研发计划(CE20205051);Natural Science

Effect of xanthan gum and nano silica on the properties of fluorine-free surfactant mixed solution foam

WANG Shangbin¹(), OU Hongxiang¹(), XUE Honglai¹, CAO Haizhen¹, WANG Junqi², BI Haipu¹

^1.School of Safety Science and Engineering, Changzhou University, Changzhou 213164, Jiangsu, China
^2.Jiangsu Suolong Fire Science and Technology Co. , Ltd. , Taizhou 225753, Jiangsu, China

Received:2022-10-11 Revised:2022-10-27 Online:2023-09-15 Published:2023-09-28
Contact: OU Hongxiang
Supported by:
Foundation of Jiangsu Education Departement(1020220949)

摘要/Abstract

摘要：

纳米粒子、高分子聚合物稳定泡沫的独特优势使其成为解决泡沫稳定性的研究热点。本文探索了亲水二氧化硅纳米颗粒（NPs）、高分子聚合物黄原胶（XG）对无氟泡沫分散液的发泡性能、泡沫稳定性及铺展性等泡沫性能的影响。研究结果表明，NPs和XG对泡沫稳定性有显著影响。与NPs相比，添加XG有助于增强泡沫稳定性，但对泡沫分散液发泡性能有抑制。NPs添加量为3.0%（质量分数）时，泡沫分散液的发泡能力得到提高。同时添加NPs和XG时，控制二者添加浓度可在稳定泡沫过程中产生协同效应。在铺展过程中，加入NPs、XG后泡沫分散液黏度增加，使泡沫分散液在汽油表面的铺展有不同程度的减缓，但对灭火产生不利影响。

关键词: 纳米二氧化硅, 黄原胶, 无氟泡沫分散液, 发泡性, 铺展性

Abstract:

The unique advantages of nanoparticles and polymer stabilized foam make it a research hotspot to solve foam stability. In this paper, the effects of hydrophilic silica nanoparticles (NPs) and polymer xanthan gum (XG) on foaming properties, foam stability and spread ability of fluorine-free foam dispersion were explored. The results showed that NPs and XG significantly affected the stability of foam. Compared with NPs, the addition of XG helped to enhance foam stability, but inhibited the foaming performance of foam dispersion. When the mass fraction of NPS was 3.0%, the foaming ability of foam dispersion was improved. When NPs and XG were used together, the additive concentration was controlled, and there was a synergistic effect on the stability of foam. During the spreading process, the viscosity of foam dispersion increased after added NPs and XG that made the spreading speed of foam dispersion on the heptane surface slow down to varying degrees, but it had adversely effect on fire fighting.

Key words: silica nanoparticles, xanthan gum, fluorine free foam dispersion, foaming property, spread property

中图分类号:

X937

王尚彬, 欧红香, 薛洪来, 曹海珍, 王钧奇, 毕海普. 黄原胶和纳米二氧化硅对无氟泡沫性能的影响[J]. 化工进展, 2023, 42(9): 4856-4862.

WANG Shangbin, OU Hongxiang, XUE Honglai, CAO Haizhen, WANG Junqi, BI Haipu. Effect of xanthan gum and nano silica on the properties of fluorine-free surfactant mixed solution foam[J]. Chemical Industry and Engineering Progress, 2023, 42(9): 4856-4862.

图/表 10

参考文献 28

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样品	无患子皂苷	SDS	CAB	XG	NPs
NX-0#	15	5	5	0	0
N-1#	15	5	5	0	1
N-2#	15	5	5	0	3
X-1#	15	5	5	0.05	0
X-2#	15	5	5	0.1	0
NX-1#	15	5	5	0.05	1
NX-2#	15	5	5	0.05	3
NX-3#	15	5	5	0.1	1
NX-4#	15	5	5	0.1	3

样品	无患子皂苷	SDS	CAB	XG	NPs
NX-0#	15	5	5	0	0
N-1#	15	5	5	0	1
N-2#	15	5	5	0	3
X-1#	15	5	5	0.05	0
X-2#	15	5	5	0.1	0
NX-1#	15	5	5	0.05	1
NX-2#	15	5	5	0.05	3
NX-3#	15	5	5	0.1	1
NX-4#	15	5	5	0.1	3

样品	表面张力/mN·m^-1	黏度/mPa·s
NX-0#	30.28	2.27
N-1#	29.11	2.31
N-2#	29.15	2.45
X-1#	30.21	2.32
X-2#	29.67	2.58
NX-1#	29.88	2.43
NX-2#	29.38	2.51
NX-3#	29.32	2.62
NX-4#	28.94	3.31

样品	表面张力/mN·m^-1	黏度/mPa·s
NX-0#	30.28	2.27
N-1#	29.11	2.31
N-2#	29.15	2.45
X-1#	30.21	2.32
X-2#	29.67	2.58
NX-1#	29.88	2.43
NX-2#	29.38	2.51
NX-3#	29.32	2.62
NX-4#	28.94	3.31

样品	泡沫半衰期/s
NX-0#	270
N-1#	310
N-2#	320
X-1#	289
X-2#	365
NX-1#	340
NX-2#	376
NX-3#	413
NX-4#	490

黄原胶和纳米二氧化硅对无氟泡沫性能的影响

Effect of xanthan gum and nano silica on the properties of fluorine-free surfactant mixed solution foam

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