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The Preparation and Characterization of Compound Film of Urushiol - formaldehyde - Pr Polymers
Author(s): Xu Yanling, LIN Jinhuo, Hu binghuan
Pages: 28-
31
Year: 2004
Issue:
1
Journal: JOURNAL OF CHINESE LACQUER
Keyword: 漆酚; 漆酚缩甲醛镨; 复合膜;
Abstract: 由漆酚甲醛缩聚物(PUF)与三氯化镨反应合成漆酚缩甲醛镨聚合物(PUFPr),PUFPr在氢氧化钠水溶液中沸煮可得到漆酚甲醛缩聚物/三氧化二镨(PUF/Pr2O3)复合膜,红外光谱、DMTA和扫描电镜等对其结构进行表征.结果表明:PUF与PrCl3反应后其酚羟基数目减少,侧链进一步交联聚合,PUFPr的玻璃化温度较PUF的高.PUF/Pr2O3复合材料出现了两个玻璃化转变温度,从扫描电镜中可观察到Pr2O3环形微晶.
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