Synthesis of UV-curable hyperbranched urethane acrylate from palm oil oleic acid

  • Mek Zah Salleh
Keywords: UV radiation, hyperbranched polymers, oleic acid, urethane acrylate

Abstract

ABSTRACT

UV-curable hyperbranched urethane acrylate (HBPUA) from oleic acid of palm oil has been synthesized through a  medium aided by p-toluene sulfonic acid as a catalyst. This mixture was then used as the core (HBP) and reacted with palm oil oleic acid to form the hyperbranched polyol (HBP-1). HBPUA was prepared by reacting HBP-1 resin with diisocyanate and hydroxyl-containing acrylate monomer with the presence of 0.1-2 wt% dibutyltin dilaurate as a catalyst. The reaction was confirmed by several analytical data i.e. hydroxyl value (OHV), Fourier Transform infrared (FTIR) spectroscopy, gel permeation chromatography (GPC) and nuclear magnetic resonance (NMR) spectroscopy analyses.   The HBPUA was easily curable when subjected to ultraviolet (UV) radiation.

 ABSTRAK

Uretana akrilat hipercabang (HBPUA) pematangan sinaran ultralembayung (UV) daripada asid oleik minyak sawit telah disintesis melalui tindak balas tiga langkah. Dipentaerithritol ditindakbalaskan dengan 2,2-bis (hidroksimetil) asid propionik dengan bantuan p-toluena asid sulfonik sebagai mangkin. Seterusnya campuran ini digunakan sebagai pengikat (HBP) dan ditindakbalaskan dengan asid oleik bagi menghasilkan poliol hipercabang (HBP-1). HBPUA  disediakan melalui tindak balas HBP-1 dengan diisosianat dan monomer akrilat mengandungi hidroksil dengan kehadiran 0.1-2 wt% dibutiltin dilaurat sebagai mangkin. Tindak balas tersebut disahkan oleh beberapa data analisa seperti  nilai hidroksil, spektroskopi inframerah Fourier Transform (FTIR), kromatografi penelapan gel (GPC) dan spektroskopi resonans magnet nukleus (NMR). HPBUA tersebut didapati  dengan mudah mengalami pematangan apabila didedahkan kepada sinaran ultra-lembayung (UV).  

Published
2010-12-31
How to Cite
Salleh, M. Z. (2010). Synthesis of UV-curable hyperbranched urethane acrylate from palm oil oleic acid. JOURNAL of NUCLEAR and Related TECHNOLOGIES, 7(02), 38-48. Retrieved from https://jnrtmns.net/index.php/jnrt/article/view/146
Section
Articles