纺织学报 ›› 2021, Vol. 42 ›› Issue (03): 122-129.doi: 10.13475/j.fzxb.20200603408
所属专题: 阻燃纤维及纺织品
马亚男1, 沈军炎1, 骆晓蕾1, 张聪1, 尚小磊1, 刘琳1(), KRUCINSKA Izabella2, 姚菊明1,3
MA Ya'nan1, SHEN Junyan1, LUO Xiaolei1, ZHANG Cong1, SHANG Xiaolei1, LIU Lin1(), KRUCINSKA Izabella2, YAO Juming1,3
摘要:
为了提高棉织物的阻燃效果与耐久性,以磷酸二氢铵(NH4H2PO4)和尿素为原料,经磷酸化改性制备无卤耐久阻燃棉织物。通过研究原料物质的量比、反应时间、反应温度对阻燃棉织物接枝率与白度的影响,确定了最佳工艺条件:脱水葡萄糖单元(AGU)、NH4H2PO4与尿素的量比为1∶2.5∶15,反应温度为130 ℃,反应时间为90 min。测试了阻燃棉织物的阻燃性能与耐水洗性能及力学性能等。结果表明:阻燃棉织物的极限氧指数(LOI)由原棉织物的18%提高到50.9%,达到不燃级别;经800 ℃热分解,残炭量上升到40.0%左右,具有优异的热稳定性;经30次标准洗涤测试后,LOI值仍可达到28.5%,表现出较好的耐洗涤性;该法实现了棉织物的高效耐久阻燃。
中图分类号:
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