Synthesis of a heat-resistant DOPO derivative and its application as flame-retardant in engineering plastics

被引：2

作者：

Xie, Mingchen ^{[1
,2
]}

Zhang, Shimin ^{[1
]}

Ding, Yanfen ^{[1
]}

Wang, Feng ^{[1
]}

Liu, Peng ^{[1
]}

Tang, Hanying ^{[1
,2
]}

Wang, Yintao ^{[1
,3
]}

Yang, Mingshu ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450000, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2017年 / 134卷 / 22期

基金：

中国国家自然科学基金;

关键词：

DOPO derivative; engineering plastics; flame-retardant; halogen-free; EPOXY-RESINS; THERMAL-PROPERTIES; NANOCOMPOSITES; 9,10-DIHYDRO-9-OXA-10-PHOSPHAPHENANTHRENE-10-OXIDE; PERFORMANCE; STABILITY; DIAMINE;

D O I：

10.1002/APP.44892

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A star-shaped DOPO derivative (GL-3DOPO, P content 10.8 wt %) was synthesized through a two-step reaction involving glycerol, acryloyl chloride, and DOPO. The derivative demonstrated a great improvement of thermal decomposition temperature increased to 360 degrees C from 194 degrees C (under N-2 atmosphere), promoting its application in thermoplastics of high processing temperature. When blended with engineering plastics including PET, PBT, PC, PA6, and PA66 at a GL-3DOPO loading of 25 wt %, all the compounds reached the UL94 V-0 level and increased limit oxygen index (LOI). In PET system, LOI raised from 22.8% to 35.4% with P 2.5 wt % and passed the V-0 test with only 0.8 P wt %. Compact char layers were found in the PET system after LOI test, suggesting that GL-3DOPO acted both in gas and condensed-phase mode. All results indicated that GL-3DOPO could be a potential flame-retardant for engineering plastics. (C) 2017 Wiley Periodicals, Inc. J. Appl. Polym.

引用

页数：11

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