纺织学报 ›› 2021, Vol. 42 ›› Issue (10): 107-114.doi: 10.13475/j.fzxb.20200810608

• 染整与化学品 • 上一篇    下一篇

棉织物的3-氨丙基三乙氧基硅烷阻燃整理

刘淑萍1,2,3, 李亮1,2,3, 刘让同1,2,3(), 胡泽栋1,2,3, 耿长军1,2,3   

  1. 1.中原工学院, 河南 郑州 450007
    2.纺织服装产业河南省协同创新中心, 河南 郑州 450007
    3.河南省功能纺织材料重点实验室, 河南 郑州 450007
  • 收稿日期:2020-08-31 修回日期:2021-07-12 出版日期:2021-10-15 发布日期:2021-10-29
  • 通讯作者: 刘让同
  • 作者简介:刘淑萍(1978—),女,讲师,博士。主要研究方向为纺织新材料、高分子材料的研究与开发。
  • 基金资助:
    国家重点研发计划项目(2017YFB0309100);河南省高校科技创新人才支持计划(19HASTIT024)

Flame retardant finishing of cotton fabric with tri-aminopropyl triethoxysilane

LIU Shuping1,2,3, LI Liang1,2,3, LIU Rangtong1,2,3(), HU Zedong1,2,3, GENG Changjun1,2,3   

  1. 1. Zhongyuan University of Technology, Zhengzhou, Henan 450007, China
    2. Henan Provincial Collaborative Innovation Center of Textile and Clothing, Zhengzhou, Henan 450007, China
    3. Henan Provincial Key Laboratory of Functional Textile Materials, Zhengzhou, Henan 450007, China
  • Received:2020-08-31 Revised:2021-07-12 Published:2021-10-15 Online:2021-10-29
  • Contact: LIU Rangtong

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摘要：

为赋予棉织物阻燃性及阻燃耐水洗性,以3-氨丙基三乙氧基硅烷(APTES)、 聚磷酸铵和壳聚糖为阻燃剂采用层层自组装的方法对其进行阻燃整理,研究了APTES质量分数对织物的阻燃性、耐水洗性、舒适性和物理力学性能的影响。结果表明:随着APTES质量分数的增加,整理织物的燃烧放热行为逐渐缓解,极限氧指数逐渐增加,透气性、白度和断裂强力都有所降低;当APTES质量分数为13%时,垂直燃烧的续燃时间和阴燃时间分别从未整理的8.15 s和20.32 s降至了5.23 s和2.21 s,残炭量从5.6%增至14.7%;水洗后整理织物的阻燃性能有所下降,但仍优于未整理的棉织物。

关键词: 阻燃整理, 层层自组装, 3-氨丙基三乙氧基硅烷, 棉织物, 聚磷酸铵, 壳聚糖

Abstract:

In order to endow cotton fabrics with flame resistance and washability, the flame retardant finishing using tri-aminopropyl triethoxysilane (APTES), ammonium polyphosphate and chitosan was carried out by self-assembly method. The effects of APTES mass fraction on the flame resistance, washability, comfort, physical and mechanical properties of cotton fabrics were analyzed.These results indicate that, with APTES mass fraction increasing,the heat release behavior of finished fabrics gradually eases during the combustion process and the limiting oxygen index increases.When the APTES mass fraction is 13%, the after flame time and afterg low time of vertical combustion reduce to 5.23 s and 2.21 s from 8.15 s and 20.32 s of untreated fabric, respectively. Meanwhile, the residual carbon amount increases to 14.7% from 5.6% of untreated fabric. Although the flame retardant property of cotton fabric decreases after washing treatment, it is still better than that of the untreated fabric.

Key words: flame retardant finishing, layer-by-layer self-assembly, tri-aminopropyl triethoxysilane, cotton fabric, ammonium polyphosphate, chitosan

中图分类号: 

  • TS102.3

图1

APTES质量分数对织物质量增加率的影响"

图2

不同APTES质量分数整理织物的红外吸收光谱图"

图3

不同APTES质量分数整理织物的热释放速率曲线"

表1

织物燃烧放热及热稳定性参数"

APTES质
量分数/%		 HRC/
(J·(g·K ) - 1)		 PHRR/
(W· g - 1)		 THR/
(kJ· g - 1)		 Tmax/
℃		 残炭
量/%
0 234 217 12.2 382.1 5.6
2 288 260 12.1 379.9 10.3
8 259 300 12.8 377.6 12.4
13 229 304 12.5 357.8 14.7

表2

织物水洗前垂直燃烧参数和LOI值"

APTES质量分数/% 续燃时间/s 阴燃时间/s LOI值/%
0 8.15 20.32 18.0
2 6.95 8.26 19.0
5 6.45 8.05 20.0
8 6.43 7.48 20.0
10 6.23 5.14 21.0
13 5.23 2.21 21.0

图4

不同APTES质量分数整理织物垂直燃烧后的残炭照片"

表3

织物水洗后垂直燃烧参数和LOI值"

APTES质量分数/% 续燃时间/s 阴燃时间/s LOI值/%
0 8.15 20.32 18.0
2 7.06 10.27 19.2
5 6.92 9.85 19.0
8 6.81 8.31 19.0
10 6.56 7.56 19.2
13 6.50 6.63 19.5

图5

不同整理织物垂直燃烧后残炭电镜照片(×20 000)"

图6

不同APTES质量分数整理织物的接触角和透气率曲线"

表4

APTES质量分数对织物白度和断裂强力的影响"

APTES质量分数/
%		 白度/
%		 断裂强力/N
经向 纬向
0 77.4 364.4 335.6
2 65.7 357.4 326.8
5 62.9 358.5 327.1
8 60.6 359.7 327.9
10 57.8 361.1 329.4
13 55.2 361.9 332.5
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