Effect of photostablizers on surface color and mechanical property of wood-flour/HDPE composites after weathering

被引：9

作者：

Xue Ping ^{[1
]}

Jia Mingyin ^{[1
]}

Wang Kejian ^{[1
]}

Ding Yun ^{[1
]}

Wang Linna ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, Inst Plast Machinery & Engn, Beijing 100029, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2012年 / 27卷 / 04期

关键词：

wood fiber polyethylene; weathering; ultraviolet absorbers (UVA); hindered amine light stabilizer (HALS); pigment; LIGHT STABILIZERS; CREEP-BEHAVIOR; PERFORMANCE; SYNERGISM; LIMITS; HALS;

D O I：

10.1007/s11595-012-0516-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of photostabilizers of ultraviolet absorbers (UVA), hindered amine light stabilizer (HALS) and pigment on surface color change and mechanical properties of weathered wood-flour/polyethylene (HDPE) composites were investigated. After being added UVA with high UV absorbance, the WPC exhibites better ability to resist color fading and mechanical property loss. High molecular weight HALS is found to be the most effective in controlling long term fading and yellowing changes. Pigments cover the composites for remaining the original color after weathering regardless of less contribution to mechanical property. Addition of photostabilizer and pigment together show great synergism in decreasing color fading and flexural property loss.

引用

页码：621 / 627

页数：7

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