Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) were synthesized. HBP of the second and the third pseudo-generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of 60% of the OH end-groups was carried out with isononanoic acid. Urethane acrylates with different degrees of acrylation were obtained by reaction of partially modified HBP and different amounts of acrylate-isocyanate adduct (NCO), which had been previously obtained by reaction of equimolar amounts of isophorone diisocyanate and 2-hydroxyethyl acrylate. The synthesized samples were characterized by FT-IR, H-1 and C-13 NMR spectroscopy and GPC. The rheological properties of uncured samples and the mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of the OH end-groups with isononanoic acid caused a rapid decrease in the viscosity of the... HBPs. The examined properties of the urethane acrylates mainly depended on the degree of acrylation.
TY - JOUR
AU - Džunuzović, Enis
AU - Tasić, S.
AU - Božić, B.
AU - Jeremić, Katarina B.
AU - Dunjić, Branko
PY - 2006
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1005
AB - Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) were synthesized. HBP of the second and the third pseudo-generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of 60% of the OH end-groups was carried out with isononanoic acid. Urethane acrylates with different degrees of acrylation were obtained by reaction of partially modified HBP and different amounts of acrylate-isocyanate adduct (NCO), which had been previously obtained by reaction of equimolar amounts of isophorone diisocyanate and 2-hydroxyethyl acrylate. The synthesized samples were characterized by FT-IR, H-1 and C-13 NMR spectroscopy and GPC. The rheological properties of uncured samples and the mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of the OH end-groups with isononanoic acid caused a rapid decrease in the viscosity of the HBPs. The examined properties of the urethane acrylates mainly depended on the degree of acrylation.
PB - Elsevier, Amsterdam
T2 - Reactive & Functional Polymers
T1 - Photoreactive hyperbranched urethane acrylates modified with a branched saturated fatty acid
EP - 1105
IS - 10
SP - 1097
VL - 66
DO - 10.1016/j.reactfunctpolym.2006.01.016
ER -
@article{
author = "Džunuzović, Enis and Tasić, S. and Božić, B. and Jeremić, Katarina B. and Dunjić, Branko",
year = "2006",
abstract = "Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) were synthesized. HBP of the second and the third pseudo-generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of 60% of the OH end-groups was carried out with isononanoic acid. Urethane acrylates with different degrees of acrylation were obtained by reaction of partially modified HBP and different amounts of acrylate-isocyanate adduct (NCO), which had been previously obtained by reaction of equimolar amounts of isophorone diisocyanate and 2-hydroxyethyl acrylate. The synthesized samples were characterized by FT-IR, H-1 and C-13 NMR spectroscopy and GPC. The rheological properties of uncured samples and the mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of the OH end-groups with isononanoic acid caused a rapid decrease in the viscosity of the HBPs. The examined properties of the urethane acrylates mainly depended on the degree of acrylation.",
publisher = "Elsevier, Amsterdam",
journal = "Reactive & Functional Polymers",
title = "Photoreactive hyperbranched urethane acrylates modified with a branched saturated fatty acid",
pages = "1105-1097",
number = "10",
volume = "66",
doi = "10.1016/j.reactfunctpolym.2006.01.016"
}
Džunuzović, E., Tasić, S., Božić, B., Jeremić, K. B.,& Dunjić, B.. (2006). Photoreactive hyperbranched urethane acrylates modified with a branched saturated fatty acid. in Reactive & Functional Polymers
Elsevier, Amsterdam., 66(10), 1097-1105.
https://doi.org/10.1016/j.reactfunctpolym.2006.01.016
Džunuzović E, Tasić S, Božić B, Jeremić KB, Dunjić B. Photoreactive hyperbranched urethane acrylates modified with a branched saturated fatty acid. in Reactive & Functional Polymers. 2006;66(10):1097-1105.
doi:10.1016/j.reactfunctpolym.2006.01.016 .
Džunuzović, Enis, Tasić, S., Božić, B., Jeremić, Katarina B., Dunjić, Branko, "Photoreactive hyperbranched urethane acrylates modified with a branched saturated fatty acid" in Reactive & Functional Polymers, 66, no. 10 (2006):1097-1105,
https://doi.org/10.1016/j.reactfunctpolym.2006.01.016 . .
