Nanomechanical characterization of UV curable hyperbranched polymers

被引：0
|
作者：
Kim, J. [1 ]
Chen, Z. [1 ]
Chisholm, B. [1 ]
Patel, S. [1 ]
机构：
[1] N Dakota State Univ, Ctr Nanoscale Sci & Engn, 1805 NDSU Res Pk Dr, Fargo, ND 58102 USA
来源：
NSTI NANOTECH 2008, VOL 1, TECHNICAL PROCEEDINGS: MATERIALS, FABRICATION, PARTICLES, AND CHARACTERIZATION | 2008年
关键词：
hyperbranched polymers; nanoindentation; UV curable;
D O I：
暂无
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Hyperbranched polymers were explored to develop UV-curable, protective coatings for aluminum 2024-T3 and their viscoelastic and mechanical properties were characterized using nanoindentation techniques. The coating system consists of a hyperbranched polyester acrylate (CN2300, Sartomer Inc), a modified hyperbranched polyols, and a photoinitiator (Irgacure 2022). Two different hyperbranched polyols (DPP130 and P1000, Perstorp Polyols Inc.) were partially modified with acryloyl chloride to give acrylate functionality for UV curing. The quasi-static indentation results showed that the reduced modulus and hardness of the UV-cured coatings were significantly affected by the type and amount of the modified polyols.
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收藏
页码：936 / +
页数：2
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