Nanotech 2008 Vol. 1
Nanotech 2008 Vol. 1
Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1

Characterization Chapter 6

Nanomechanical characterization of UV curable hyperbranched polymers

Authors: J. Kim, Z. Chen, B. Chisholm and S. Patel

Affilation: North Dakota State University, United States

Pages: 936 - 939

Keywords: hyperbranched, UV, nanoindentation, modulus, hardness

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.

ISBN: 978-1-4200-8503-7
Pages: 1,118
Hardcopy: $159.95