TY - JOUR
T1 - Synthesis of fluorinated urethane acrylate based UV-curable coatings
AU - Çanak, Tuba Çakir
AU - Serhatli, I. Ersin
PY - 2013/2
Y1 - 2013/2
N2 - In the present work fluorinated urethane-acrylate (FUA) monomer was firstly prepared based on isophorone diisocyanate (IPDI), 3,5-bis(perfluorobenzyl)oxy benzyl alcohol (FOH) and 2-hydroxyethyl methacrylate (HEMA) via in situ method. The obtained novel fluorinated urethane-acrylate was characterized by 1H NMR spectroscopy and Fourier Transform Infrared (FT-IR) spectroscopy. The UV-curable polyurethane-acrylate (UV-PUA) formulation was prepared with oligomers, polyurethane-acrylate (PUA) or epoxy acrylate (EA), monomers (FUA, HDDA and TPGDA) and photoinitiator, Darocur 1173. UV-curable clear coatings were applied on plexiglass and teflon substrates. The physical and mechanical properties of UV-cured coatings such as gel content, solvent resistance, hardness, gloss, flexibility and tensile tests were examined. Also thermal degradation behavior of coatings was also evaluated by thermogravimetric (TGA) analysis. Contact angle measurements of water and ethylene glycol on films of coatings have shown that the addition of fluorinated polyurethane-acrylate precursor to the system improved the water repellency and increased the contact angle from 72°to 104°.
AB - In the present work fluorinated urethane-acrylate (FUA) monomer was firstly prepared based on isophorone diisocyanate (IPDI), 3,5-bis(perfluorobenzyl)oxy benzyl alcohol (FOH) and 2-hydroxyethyl methacrylate (HEMA) via in situ method. The obtained novel fluorinated urethane-acrylate was characterized by 1H NMR spectroscopy and Fourier Transform Infrared (FT-IR) spectroscopy. The UV-curable polyurethane-acrylate (UV-PUA) formulation was prepared with oligomers, polyurethane-acrylate (PUA) or epoxy acrylate (EA), monomers (FUA, HDDA and TPGDA) and photoinitiator, Darocur 1173. UV-curable clear coatings were applied on plexiglass and teflon substrates. The physical and mechanical properties of UV-cured coatings such as gel content, solvent resistance, hardness, gloss, flexibility and tensile tests were examined. Also thermal degradation behavior of coatings was also evaluated by thermogravimetric (TGA) analysis. Contact angle measurements of water and ethylene glycol on films of coatings have shown that the addition of fluorinated polyurethane-acrylate precursor to the system improved the water repellency and increased the contact angle from 72°to 104°.
KW - Contact angle
KW - Fluorinated coatings
KW - UV-curing
KW - Urethane-acrylate
UR - http://www.scopus.com/inward/record.url?scp=84871924744&partnerID=8YFLogxK
U2 - 10.1016/j.porgcoat.2012.10.024
DO - 10.1016/j.porgcoat.2012.10.024
M3 - Article
AN - SCOPUS:84871924744
SN - 0300-9440
VL - 76
SP - 388
EP - 399
JO - Progress in Organic Coatings
JF - Progress in Organic Coatings
IS - 2-3
ER -