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在细胞纤维复合材料中的-协同性阻燃性:机理性调查

Chunzu Cheng¹, Qingbo Zhao², Zhongkai Xu²

¹State Key Laboratory of Bio⁃based Fiber Materials, Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science & Technology, Tianjin, 300457, China; State Key Laboratory of Bio⁃based Fiber Materials, China Textile Academy, Beijing, 100025, China.

Carbohydrate polymers

|December 31, 2025

概括

环保的细胞纤维用-阻燃剂 (FR-P) 增强了消防安全. 这种方法提高了耐火性,同时在洗后保持了关键性质,为更安全的织品提供了可行的解决方案.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
织工程织工程织工程

背景情况:

细胞纤维是以纤维素为基础的可持续材料,其生产量正在增加.
它们固有的易燃性在各种应用中对消防安全的遵守提出了挑战.
提高阻燃性对于扩大细胞纤维利用率至关重要.

研究的目的:

为了提高细胞纤维的耐火性.
为了研究合成-基聚合物 (FR-P) 作为阻燃剂的有效性.
为了评估FR-P结合对纤维特性和性能的影响.

主要方法:

用添加混合法与FR-P进行修改的细胞纤维.
分析了热分解,质性质和NMMO溶剂稳定性.
通过限制氧气指数 (LOI),峰值热释放率 (PHRR) 和总烟雾释放率 (TSR) 来评估阻燃性.
评估了机械强度和微观结构特征 (孔隙性,孔隙对齐).

主要成果:

加入FR-P促进了纤维素脱水和碳化,减少了挥发性物质的释放,增加了炭残留物.
阻燃性细胞纤维 (FR-L) 显示PHRR和TSR降低.
较高的FR-P含量增加了LOI,但降低了机械强度和孔隙对齐.
FR-L3 (25.37%FR-P) 显示出最佳平衡,在50次洗后保持28.6%的LOI,强度为2.86cN/dtex.

结论:

与FR-P的混合改性是一种可行的方法,用于生产高性能阻燃型细胞纤维.
开发的FR-L纤维提供了增强的消防安全,在洗后保持机械完整性.
这种方法为工业生产和优化阻燃纤维素织品提供了宝贵的见解.

关键词:

混合过程是混合过程.阻燃火焰的细胞纤维.微孔性是一种微孔性.

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