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中国塑料 ›› 2021, Vol. 35 ›› Issue (1): 37-46.DOI: 10.19491/j.issn.1001-9278.2021.01.007
章亮1, 柴伟胜1, 王珊珊1, 李文珠1, 吴强1, 张文标1(), 戴春平2
收稿日期:
2020-07-02
出版日期:
2021-01-26
发布日期:
2021-01-22
基金资助:
ZHANG Liang1, CHAI Weisheng1, WANG Shanshan1, LI Wenzhu1, WU Qiang1, ZHANG Wenbiao1(), DAI Chunping2
Received:
2020-07-02
Online:
2021-01-26
Published:
2021-01-22
Contact:
ZHANG Wenbiao
E-mail:zwb@zafu.edu.cn
摘要:
以竹炭(BC)和聚氯乙烯(PVC)为原料,通过熔融混炼热压后进行贴面,制备不同贴面PVC/BC复合材料。采用锥形量热、热失重、热重红外联用分析对不同贴面PVC/BC的燃烧行为与烟气生成特性进行表征,综合评价其燃烧安全性。结果表明,PVC单贴面提高材料的热稳定性,600 ℃时残炭量达67.99 %,且HCl及燃烧初期的芳烃生成更少,但不利于控制总热释放量;增加薄木贴面后,材料的初始热解提前、热解速度增加,热释放速率峰值(423.91 kW/m2),总热释放量(76.63 MJ/m2)和总烟释放量(2 121.51 m2/m2)均最高,600 ℃时残炭量仅为41.78 %,有害气体释放量较多;贴面易使烟气释放更持久,但有利于燃烧初期抑烟,火灾初期提供更大的安全撤离机会,作为家居装饰材料应用具有一定前景。
中图分类号:
章亮, 柴伟胜, 王珊珊, 李文珠, 吴强, 张文标, 戴春平. 聚氯乙烯/竹炭贴面复合材料的燃烧特性研究[J]. 中国塑料, 2021, 35(1): 37-46.
ZHANG Liang, CHAI Weisheng, WANG Shanshan, LI Wenzhu, WU Qiang, ZHANG Wenbiao, DAI Chunping. Study on Combustion Characteristics of Poly(vinyl chloride)/Bamboo Charcoal Decorative Composites[J]. China Plastics, 2021, 35(1): 37-46.
试样 | 点燃 时间/s | 热释放速率 峰值时间/s | 热释放速率 峰值/kW·m-2 | 总热释放量/ MJ·m-2 | 总烟释放量 /m2·m-2 | 质量损失速率 峰值/g·s-1 | 残炭量(600 ℃) /% | a火灾 指数 | b火灾蔓延 指数 |
---|---|---|---|---|---|---|---|---|---|
BP?N | 11 | 44 | 160.12 | 25.75 | 926.03 | 0.46 | 49.61 | 0.07 | 3.64 |
BP?S | 26 | 64 | 159.6 | 52.49 | 1 221.48 | 0.33 | 67.99 | 0.16 | 2.49 |
BP?D | 15 | 43 | 423.91 | 67.63 | 2 121.51 | 0.57 | 41.78 | 0.04 | 9.86 |
试样 | 点燃 时间/s | 热释放速率 峰值时间/s | 热释放速率 峰值/kW·m-2 | 总热释放量/ MJ·m-2 | 总烟释放量 /m2·m-2 | 质量损失速率 峰值/g·s-1 | 残炭量(600 ℃) /% | a火灾 指数 | b火灾蔓延 指数 |
---|---|---|---|---|---|---|---|---|---|
BP?N | 11 | 44 | 160.12 | 25.75 | 926.03 | 0.46 | 49.61 | 0.07 | 3.64 |
BP?S | 26 | 64 | 159.6 | 52.49 | 1 221.48 | 0.33 | 67.99 | 0.16 | 2.49 |
BP?D | 15 | 43 | 423.91 | 67.63 | 2 121.51 | 0.57 | 41.78 | 0.04 | 9.86 |
样品 | T?5%/℃ | Tmax/℃ | Rpeak/%·min-1 | Rmass(800 ℃)/% |
---|---|---|---|---|
BP?N | 257 | 292 | 5.34 | 40.49 |
BP?S | 266 | 291 | 5.44 | 43.23 |
BP?D | 241 | 276 | 6.16 | 34.96 |
样品 | T?5%/℃ | Tmax/℃ | Rpeak/%·min-1 | Rmass(800 ℃)/% |
---|---|---|---|---|
BP?N | 257 | 292 | 5.34 | 40.49 |
BP?S | 266 | 291 | 5.44 | 43.23 |
BP?D | 241 | 276 | 6.16 | 34.96 |
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