Different Curing Agents on the Photoaging of Polyurethane Coatings

被引：1
|
作者：
Xiang, Bin [1 ]
Xiang, Qing [1 ]
Liao, Jin [2 ]
Chen, Shi [2 ]
Xu, Zhongcheng [2 ]
机构：
[1] Chongqing Univ, Coll Chem & Chem Engn, Chongqing 400044, Peoples R China
[2] Chongqing Sanxia Paint Co Ltd, Chongqing 402260, Peoples R China
来源：
MANUFACTURING PROCESS TECHNOLOGY, PTS 1-5 | 2011年 / 189-193卷
关键词：
UV Accelerated Aging; Curing Agent; Polyurethane; Photoaging; DURABILITY;
D O I：
10.4028/www.scientific.net/AMR.189-193.1109
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, the artificial UV accelerated aging test was used to investigate the effect of curing agents including TDI-TMP prepolymer, N75, N3390 and IPDI propylene acid resin on the photoaging of polyurethane (PU) coatings. The thickness and gloss loss, color difference, as well as UV absorption of PU coatings were measured during the UV exposure, meanwhile FTIR and SEM were utilized to monitor the chemical and mophological change after UV exposure. The TDI-TMP prepolymer coatings showed the worst aging resistance and whilst the results of N3390 coatings are relatively good.
引用
收藏
页码：1109 / +
页数：2
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