Effects of Zinc Phytate on Flame Retardancy and Thermal Degradation Behaviors of Intumescent Flame-retardant Polypropylene

被引：34
|
作者：
Ma, Dong [1 ,2 ]
Zhao, Peihua [2 ]
Li, Juan [1 ,3 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo Key Lab Polymer Mat, Ningbo 315201, Zhejiang, Peoples R China
[2] North Univ China, Taiyuan, Peoples R China
[3] Univ Chinese Acad Sci, Beijing, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2017年 / 56卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Biobased materials; charring; IFR; synergist; zinc phytate; PHYTIC ACID; POLYELECTROLYTE COMPLEX; EXPANDABLE GRAPHITE; IN-SITU; COMPOSITES; SYSTEM; HYBRID; LAYER; FLAMMABILITY; IMPROVEMENT;
D O I：
10.1080/03602559.2016.1255754
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this paper, zinc phytate was prepared and used as a synergist in intumescent flame-retarded polypropylene composites. The results showed that the polypropylene composites with 17wt% intumescent flame retardant and 2wt% zinc phytate have a limiting oxygen index 29.2 and achieve the UL-94V-0 rating. Moreover, the peak heat release rate of the polypropylene composites decreases from 374 to 275kW/m(2). Real-time Fourier-transform infrared spectroscopy showed that the zinc phytate delays the emission of carbon dioxide indicating that zinc phytate slows the degradation of polypropylene which regulates the suitability of intumescent flame-retardant system in polypropylene. [GRAPHICS] .
引用
收藏
页码：1167 / 1176
页数：10
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