Synthesis and properties of UV-curable hyperbranched polyurethane acrylate oligomers containing photoinitiator

被引：47
|
作者：
Han, Wensong [1 ]
Lin, Baoping [1 ]
Zhou, Yidan [1 ]
Song, Jiangang [1 ]
机构：
[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China
来源：
POLYMER BULLETIN | 2012年 / 68卷 / 03期
关键词：
Hyperbranched polyurethane acrylate; Modification; Synthesis; UV-curing; URETHANE-ACRYLATES; COATINGS; POLYESTERS; ACID;
D O I：
10.1007/s00289-011-0576-y
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The hyperbranched polyurethane acrylate oligomers containing photoinitiator were synthesized by modifying the second-generation hyperbranched poly(amine-ester) with isophorone diisocyanate-2-hydroxyethylacrylate and isophorone diisocyanate-2-hydroxy-2-methylpropiophenone at different feed ratio. The elemental analysis, FT-IR and NMR methods are used for structural characterization, molecular weights, and polydispersities, photosensitive groups and thermal properties of the oligomers were analyzed by gel permeation chromatography, UV-Vis spectra and thermogravimetric analysis, respectively. UV-curing properties were characterized by FT-IR at different curing time. In addition, the solubilities of the oligomers were also examined.
引用
收藏
页码：729 / 743
页数：15
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