磺化炭黑与六苯氧基环三磷腈协同阻燃聚碳酸酯

叶小迪; 占诚; 赛霆; 王炳涛; 张成峰; 李娟; 郭正虹

doi:10.14028/j.cnki.1003-3726.2025.25.201

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磺化炭黑与六苯氧基环三磷腈协同阻燃聚碳酸酯

研究论文 | 更新时间：2025-09-30

- 磺化炭黑与六苯氧基环三磷腈协同阻燃聚碳酸酯
- Synergistic Flame-retardant Effect of Sulfonated Carbon Black and Hexaphenoxycyclotriphosphazene on Polycarbonate
- 高分子通报 2025年
- 作者机构：
  
  1.浙江理工大学材料科学与工程学院，杭州 310018
  2.浙大宁波理工学院材料科学与工程学院，宁波 315100
- 作者简介：
  
  *郭正虹，E-mail: guozhenghong@nit.zju.edu.cn
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2025.25.201
  中图分类号：
- 收稿日期：2025-07-18，
  
  录用日期：2025-09-10，
  
  纸质出版日期：2025
- 稿件说明：
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叶小迪, 占诚, 赛霆, 王炳涛, 张成峰, 李娟, 郭正虹. 磺化炭黑与六苯氧基环三磷腈协同阻燃聚碳酸酯. 高分子通报, doi: 10.14028/j.cnki.1003-3726.2025.25.201

Ye, X. D.; Zhan, C.; Sai, T.; Wang, B. T.; Zhang, C. F.; Li, J.; Guo, Z. H. Synergistic flame-retardant effect of sulfonated carbon black and hexaphenoxycyclotriphosphazene on polycarbonate. Polym. Bull. (in Chinese), doi: 10.14028/j.cnki.1003-3726.2025.25.201
叶小迪, 占诚, 赛霆, 王炳涛, 张成峰, 李娟, 郭正虹. 磺化炭黑与六苯氧基环三磷腈协同阻燃聚碳酸酯. 高分子通报, doi: 10.14028/j.cnki.1003-3726.2025.25.201 DOI：

Ye, X. D.; Zhan, C.; Sai, T.; Wang, B. T.; Zhang, C. F.; Li, J.; Guo, Z. H. Synergistic flame-retardant effect of sulfonated carbon black and hexaphenoxycyclotriphosphazene on polycarbonate. Polym. Bull. (in Chinese), doi: 10.14028/j.cnki.1003-3726.2025.25.201 DOI：

摘要

探究了磺化炭黑(CBSP)与六苯氧基环三磷腈(HPCTP)对聚碳酸酯(PC)的协同阻燃作用。采用极限氧指数(LOI)、UL-94垂直燃烧、锥形量热测试、热重分析和紫外可见光谱等方法，表征分析了CBSP/HPCTP复配体系对PC阻燃性能、热稳定性、力学性能和紫外屏蔽性能的影响。采用扫描电子显微镜、X射线光电子能谱、拉曼光谱以及热重-红外联用测试等手段，分析并揭示了CBSP/HPCTP复配体系在PC材料中的阻燃机制。实验结果表明，CBSP与HPCTP在PC中具有正向协同阻燃效果。当0.5 wt% CBSP与3.5 wt% HPCTP复配时，PC的LOI值从24.6%提升至31.5%，并达到UL-94 V-0等级。与纯PC相比，PC/0.5CBSP/3.5HPCTP的热释放峰值、总热释放量和总烟释放量分别降低了50.2%、27.0%和26.2%。CBSP/HPCTP的加入使PC的缺口冲击强度和断裂伸长率有所降低，但显著增强了材料的紫外屏蔽性能。本研究为开发高性能PC材料提供了新思路，拓展了PC在高火安全需求领域的应用。

Abstract

In order to satisfy the practical needs of high-performance PC composites

a combined system of sulfonated carbon black (CBSP) and hexaphenoxycyclotriphosphazene (HPCTP) was proposed to increase the flame retardancy of polycarbonate (PC). The comprehensive performance of the PC/CBSP/HPCTP composites was characterized using the limiting oxygen index (LOI)

UL-94 vertical burning test

cone calorimetry test

thermogravimetric analysis

and UV-visible spectroscopy. A flame-retardant mechanism was proposed by analyzing the results of scanning electron microscopy

X-ray photoelectron spectroscopy

Raman spectroscopy

and thermogravimetric-infrared tests. CBSP and HPCTP exhibited a good synergistic flame-retardant effect. The addition of 0.5 wt% CBSP and 3.5 wt% HPCTP increases the LOI value from 24.6% for pure PC to 31.5% with a UL-94 V-0 classification. The peak heat release

total heat release

and total smoke release of PC/0.5CBSP/3.5HPCTP were lower than those of pure PC by 50.2%

27.0%

and 26.2%

respectively. The superior fire retardancy can be attributed to the synergistic flame-retardant effect of CBSP and HPCTP

which promotes the formation of denser and more resilient char layers. Meanwhile

CBSP/HPCTP reduces the notched impact strength and elongation at break of PC but significantly enhances its UV-shielding capacity. This work provides a feasible strategy for fabricating fire-retardant PC composites with superior UV-shielding properties

which is expected to expand their industrial applicability.

关键词

Keywords

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