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[1]邓军,刘阳,康付如,等.强黏附性直链玉米淀粉基凝胶合成与阻燃性能*[J].中国安全生产科学技术,2025,21(11):75-81.[doi:10.11731/j.issn.1673-193x.2025.11.009]
　DENG Jun,LIU Yang,KANG Furu,et al.Synthesis and flame-retardant properties of strongly adhesive amylose-based corn-starch gel[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2025,21(11):75-81.[doi:10.11731/j.issn.1673-193x.2025.11.009]
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强黏附性直链玉米淀粉基凝胶合成与阻燃性能*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
21
期数:
2025年11期
页码:
75-81
栏目:
职业安全卫生管理与技术
出版日期:
2025-11-30

文章信息/Info

Title:
Synthesis and flame-retardant properties of strongly adhesive amylose-based corn-starch gel
文章编号:
1673-193X(2025)-11-0075-07
作者:
邓军; 刘阳; 康付如; 刘子恒; 田汭川; 宋嘉豪
(1.西安科技大学 安全科学与工程学院，陕西 西安 710054；
2.陕西省煤火灾害防治重点实验室，陕西 西安 710054)
Author(s):
DENG Jun;  LIU Yang;  KANG Furu;  LIU Ziheng;  TIAN Ruichuan;  SONG Jiahao
(1.College of Safety Science and Engineering,Xi’an University of Science and Technology,Xi’an Shaanxi 710054,China;
2.Shaanxi Key Laboratory of Prevention and Control of Coal Fire,Xi’an University of Science and Technology,Xi’an Shaanxi 710054,China)
关键词:
森林火灾; 凝胶灭火剂; 直链淀粉; 保水性能; 阻燃性能
Keywords:
forest fire;  gel fire-extinguishing agent;  amylose;  water-retention performance;  flame-retardant properties
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2025.11.009
文献标志码:
A
摘要:
为了提升天然高分子凝胶在森林火灾应用中的阻燃性能与黏附能力，研究合成强黏附性直链玉米淀粉基凝胶，表征其微观形貌与化学结构，测试分析其阻燃性能、保水性能、流变特性及对桦木和松木的黏附能力。研究结果表明：该凝胶在温度80 ℃、相对湿度20%RH下72 h保水率达83.2%；涂覆1 mm凝胶可使桦木、松木点燃时间分别延迟152.9%和56.7%，热释放总量（THR）分别降低41.7%和14.3%，最大热释放速率(PHRR)分别降低60.0%和48.3%，极限氧指数（LOI）分别提升至61.0%和62.3%；温度由20 ℃升高至70 ℃时，黏度加速递增并在70 ℃达到9.25×105 mPa·s；在垂直桦木、松木表面单位面积黏附能力分别达到5 g/cm2和4 g/cm2。研究结果可为森林火灾防控材料的选择提供参考。
Abstract:
In order to enhance the flame-retardant properties and adhesive capacity of natural polymer gels for forest fire prevention,this study synthesized a strongly adhesive amylose-based corn-starch gel.The gel’s microscopic morphology and chemical structure were characterized,and its flame-retardant properties,water-retention performance,rheological characteristics,and adhesion capacity on birch and pine wood were analyzed.The results indicate that the gel achieved a water-retention rate of 83.2% after 72 hours at 80 ℃ and 20% RH.Coating with a 1-mm-thick layer of gel delayed the ignition time of birch and pine wood by 152.9% and 56.7%,reduced the total heat release (THR) by 41.7% and 14.3%,decreased the peak heat release rate (PHRR) by 60.0% and 48.3%,and increased the limiting oxygen index (LOI) to 61.0% and 62.3%,respectively.When the temperature increased from 20 ℃ to 70 ℃,its viscosity increased sharply and reached 9.25×105 mPa·s at 70 ℃.The unit-area adhesive capacity on vertical birch and pine wood surfaces reached 5 g/cm2 and 4 g/cm2,respectively.The findings provide a valuable reference for the selection of materials in forest-fire prevention and control.

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备注/Memo

备注/Memo:
收稿日期： 2025-07-29
* 基金项目： 国家重点研发计划项目（2024YFC3012500）
作者简介： 邓军，博士，教授，主要研究方向为煤火灾害防治、城市智慧安全和应急救援。
通信作者： 康付如，博士，副教授，主要研究方向为阻燃防灭火、矿井智能火灾防控。
更新日期/Last Update: 2025-12-03