Preparation and characterizations liquid crystal composites between methyl metacrylate with diacrylate resin of 2-methyl-1,4-phenylene bis(4-(3-(acryloyloxy)propoxy)benzoate)
Afrizal (a*), Setia Budi (a), Rizky Fauziah Hanum (a), and Fitri Nulandari (a)

a) Department of Chemistry Faculty Mathematics and Natural Sciences, Universitas Negeri
*afrizal[at]unj.ac.id

Abstract

Liquid crystal composites is a material made from monomer liquid crystal with other material. This composites very useful because combine good properties each material for many applications. The diacrylate resin of 2methyl 1,4phenylene bis(4(3(acryloyloxy)propoxy)benzoate) is one of the liquid crystal that combined with monomer methylmetacrylate using casting solution. Process casting solution of that materials using variation weight procentage each materials. Result of casting solution was photopolymerized using preparate glass to make a thin layer polymer. Characterizations thin layer polymer liquid crystal diacrylate resin with MMA using instrumentations FTIR for identify of chemical group functions molecules. FTIR spectrum showed peak at 1155 until 1160 for identifications stretching vibration of COC in ester molecule and 2925 and 2960 cm for identify stretching vibration of CH3. Its band for identify bond formation between MMA with diacrylate resin. Diffractogram XRD showed thin layer polymer of PMMA diacrylate resin has amorphous properties, because there are not sharp peak diffraction at 2&#952- 16.33, 24.02, 44.68, and 72.54. this is indications that thin monomer methylmetacrylate blending perfect with diacrylate resin. Therefore analysis morphology of thin layer polymer PMMA-diacrylate resin homogen in some regions but in a little surface seen aglomeration of polymer.

Keywords: liquid crystall, thin layer polymer

Topic: CHEMISTRY AND MATERIAL SCIENCES