CMSs-An/PET复合阻燃材料的制备和性能

doi:10.11901/1005.3093.2014.297

材料研究学报

2015, Vol. 29

Issue (2): 143-148 DOI: 10.11901/1005.3093.2014.297

本期目录 | 过刊浏览

CMSs-An/PET复合阻燃材料的制备和性能

牛梅^1,²(

),薛宝霞²,李静亚²,王欣²,张莹²,戴晋明^1,²

1. 太原理工大学新材料界面科学与工程教育部重点实验室太原 030024
2. 太原理工大学轻纺工程学院榆次 030600

Preparation and Properties of CMSs-An/PET Flame Retardant Composites

Mei NIU^1,^2,^**(

),Baoxia XUE²,Jingya LI²,Xin WANG²,Ying ZHANG²,Jinming DAI^1,²

1. Key Laboratory of Interface Science and Engineering in Advanced Materials, Taiyuan University of Technology, Ministry of Education, Taiyuan 030024, China
2. College of Light Textile Engineering, Taiyuan University of Technology, Yuci 030600, China

引用本文:

牛梅,薛宝霞,李静亚,王欣,张莹,戴晋明. CMSs-An/PET复合阻燃材料的制备和性能[J]. 材料研究学报, 2015, 29(2): 143-148.
Mei NIU, Baoxia XUE, Jingya LI, Xin WANG, Ying ZHANG, Jinming DAI. Preparation and Properties of CMSs-An/PET Flame Retardant Composites[J]. Chinese Journal of Materials Research, 2015, 29(2): 143-148.

全文: PDF(2342 KB) HTML

摘要:

先用酸氧化法修饰碳微球(CMSs)的表面, 再用化学合成法将苯胺(An)接枝在CMSs上制备CMSs-An复合物, 最后用熔融共混法制备了CMSs-An/PET复合材料。采用扫描电镜(SEM)、红外光谱仪(FTIR)、热重(TG)、氧指数仪和垂直燃烧仪等手段对其形貌结构、分散性、热稳定性能、阻燃性能和力学性能进行了表征。结果表明, 与原始CMSs相比, 苯胺修饰后的CMSs-An在PET基体中的分散性提高了, 使CMSs-An/PET的抗拉强度比CMSs/PET提高了20.8%; 与纯PET相比, CMSs-An/PET复合材料的热稳定性明显提高, 其极限氧指数提高了7.5达到29.2, 垂直燃烧级别由V-2级上升到V-0级。

关键词 ：复合材料, 材料合成, 碳微球, 熔融共混法, 苯胺, 阻燃

Abstract：

Carbon microspheres (CMSs) were surface modified by the acid oxidation method and then grafted with aniline (An) by chemical synthesis to prepare compound CMSs-An. The CMSs-An/PET composite materials were prepared by melt blending CMSs-An and polyethylene glycol terephthalate (PET). The morphology, dispersiveness, thermal stability, flame retardant property and mechanical property of CMSs-An/PET materials were characterized by SEM, IR spectra, TG, oxygen index tester and vertical burning apparatus. The results show that, the aniline modified CMSs have better dispersiveness than that of the original CMSs in the PET matrix, and the tensile strength of CMSs-An/PET is 20.8% higher than that of CMSs/PET; in comparison with the pure PET, the CMSs-An/PET composite exhibits better performance: its thermal stability increased, limiting oxygen index increased by 7.5 and reached to 29.2, and vertical burning grades increased from V-2 level to V-0 level according to the national standards.

Key words： composites material synthesis carbon microspheres melt blending method Aniline flame resistance

收稿日期: 2014-06-25

基金资助:* 国家自然科学（青年）基金51302183,山西省自然科学（青年）基金2012021021-6和太原理工大学青年基金2012-044资助项目。

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https://www.cjmr.org/CN/10.11901/1005.3093.2014.297 或 https://www.cjmr.org/CN/Y2015/V29/I2/143

图1 CMSs-An复合材料的制备反应过程

图2 原始CMSs、HNO3氧化CMSs、CMSs-An样品的SEM像及CMSs-An复合材料的EDS谱

图3 未改性CMSs和CMSs-An样品的红外光谱图

图4 CMSs/PET 和CMSs-An/PET复合材料的SEM像

图5 纯PET、CMSs/PET和CMSs-An/PET样品的热重曲线

表1 不同失重率下复合材料的热分解温度及残炭量

表2 CMSs/PET与CMSs-An/PET复合材料的极限氧指数及垂直燃烧参数

表3 CMSs/PET与CMSs-An/PET复合材料的力学性能

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