UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids
Апстракт
Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) have been synthesized. HBP of the second and the third generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of certain amount of OH end-groups was carried out with soybean fatty acids. The urethane acrylates with different degrees of acrylation have been obtained by reaction of partially modified HBP and different amounts of NCO adduct 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 and GPC. The theological properties of uncured samples and mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of OH end-groups with soybean fatty acids causes a rapid decrease in viscosity of HBP. The examined properties of ...urethane acrylates depend on the degree of acrylation. After irradiating, the additional cross-linking, which is caused by reaction of double bonds from unsaturated fatty acids, has also important effect on the properties of cured samples. (C) 2004 Published by Elsevier B.V.
Кључне речи:
urethane acrylate / hyperbranched polyester / soybean fatty acids / UV curing / hardness / dynamic mechanical propertiesИзвор:
Progress in Organic Coatings, 2005, 52, 2, 136-143
DOI: 10.1016/j.porgcoat.2004.10.003
ISSN: 0300-9440
WoS: 000226614600007
Scopus: 2-s2.0-11244335539
Колекције
Институција/група
VinčaTY - JOUR AU - Džunuzović, Enis S. AU - Tasic, S AU - Bozic, B AU - Babić, Dragan AU - Dunjic, B PY - 2005 UR - https://vinar.vin.bg.ac.rs/handle/123456789/2849 AB - Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) have been synthesized. HBP of the second and the third generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of certain amount of OH end-groups was carried out with soybean fatty acids. The urethane acrylates with different degrees of acrylation have been obtained by reaction of partially modified HBP and different amounts of NCO adduct 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 and GPC. The theological properties of uncured samples and mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of OH end-groups with soybean fatty acids causes a rapid decrease in viscosity of HBP. The examined properties of urethane acrylates depend on the degree of acrylation. After irradiating, the additional cross-linking, which is caused by reaction of double bonds from unsaturated fatty acids, has also important effect on the properties of cured samples. (C) 2004 Published by Elsevier B.V. T2 - Progress in Organic Coatings T1 - UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids VL - 52 IS - 2 SP - 136 EP - 143 DO - 10.1016/j.porgcoat.2004.10.003 ER -
@article{ author = "Džunuzović, Enis S. and Tasic, S and Bozic, B and Babić, Dragan and Dunjic, B", year = "2005", abstract = "Urethane acrylate resins based on partially modified aliphatic hyperbranched polyesters (HBP) have been synthesized. HBP of the second and the third generation were synthesized from 2,2-bis(hydroxymethyl)propionic acid and di-trimethylol propane. The modification of certain amount of OH end-groups was carried out with soybean fatty acids. The urethane acrylates with different degrees of acrylation have been obtained by reaction of partially modified HBP and different amounts of NCO adduct 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 and GPC. The theological properties of uncured samples and mechanical and thermal properties of UV cured urethane acrylates diluted with 20 wt.% hexanediol diacrylate were examined. The modification of OH end-groups with soybean fatty acids causes a rapid decrease in viscosity of HBP. The examined properties of urethane acrylates depend on the degree of acrylation. After irradiating, the additional cross-linking, which is caused by reaction of double bonds from unsaturated fatty acids, has also important effect on the properties of cured samples. (C) 2004 Published by Elsevier B.V.", journal = "Progress in Organic Coatings", title = "UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids", volume = "52", number = "2", pages = "136-143", doi = "10.1016/j.porgcoat.2004.10.003" }
Džunuzović, E. S., Tasic, S., Bozic, B., Babić, D.,& Dunjic, B.. (2005). UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids. in Progress in Organic Coatings, 52(2), 136-143. https://doi.org/10.1016/j.porgcoat.2004.10.003
Džunuzović ES, Tasic S, Bozic B, Babić D, Dunjic B. UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids. in Progress in Organic Coatings. 2005;52(2):136-143. doi:10.1016/j.porgcoat.2004.10.003 .
Džunuzović, Enis S., Tasic, S, Bozic, B, Babić, Dragan, Dunjic, B, "UV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acids" in Progress in Organic Coatings, 52, no. 2 (2005):136-143, https://doi.org/10.1016/j.porgcoat.2004.10.003 . .