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Preparation of a Novel Prepolymer of Polyurethane Acrylate

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Abstract:

A new prepolymer of polyurethane acrylate (PUA) was synthesized from cyclohexanone- formaldehyde resin (CFR) with high hydroxyl value, toluene diisocyanate (TDI) and 2-hydroxyethyl methacrylate (HEMA) by using dibutyltion dilaurate as catalyst via two steps. The result from Fourier transform infrared spectrum (FT-IR) showed that methacrylate group was introduced into the terminal of CFR by using TDI as bridge and curable PUA was obtained. Then, the PUA was cured by using azodiisobutyronitrile as catalyst at 110-130°C for 2h. The resulting product has excellent solvent resistance.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

153-156

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.153

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Online since:

July 2012

Authors:

Shu Zhen Tan, Yi Wang, Yi Fu Zhang, Wei Long Zhou

Keywords:

Cyclohexanone-Formaldehyde Resin, Polyurethane Acrylate, Prepolymer

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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