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요약정보
木质素基阻燃剂的研究进展 / Research Progress on Lignin-based Flame Retardants
Resource Type
Academic Journal
Authors
贝钰
;
翁述贤
;
贾普友
;
薄采颖
;
胡立红
;
周永红
;
BEI Yu
;
WENG Shuxian
;
JIA Puyou
;
BO Caiying
;
HU Lihong
;
ZHOU Yonghong
Source
生物质化学工程 / Biomass Chemical Engineering
. 57(2):71-78
Subject
木质素
阻燃剂
聚合物
化学改性
阻燃机理
Language
Chinese
ISSN
1673-5854
Online Access
Find it @ DONGA
초록
木质素化学结构中含有丰富的碳原子,其本身可作为高分子材料中的填料,在高分子材料燃烧过程中提供碳源并促进阻燃;木质素的分子结构含有芳香基、酚羟基、醇羟基等活性基团,通过化学改性将具有阻燃作用的元素或基团引入到木质素的化学结构中,可以获得一系列木质素基阻燃剂.本文从木质素结构入手,概述了国内外未改性木质素,氮、磷改性木质素和掺入金属铜或非金属硅的氮磷改性木质素在不同聚合物材料中做阻燃剂的研究进展,包括物理协同阻燃配方、化学改性制备方法、处理前后的阻燃效果对比.同时,解释了相应阻燃剂的阻燃机理,包括:释放出的不可燃气体对氧气的隔绝作用,形成致密不可燃炭层,以及对热量传递的阻碍作用等.并对木质素基阻燃剂的应用前景进行了展望.
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