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dc.creatorDžunuzović, Enis
dc.creatorTasić, S
dc.creatorBožić, B
dc.creatorBabić, Dragan
dc.creatorDunjić, Branko
dc.date.accessioned2021-03-10T10:21:08Z
dc.date.available2021-03-10T10:21:08Z
dc.date.issued2005
dc.identifier.issn0300-9440
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/750
dc.description.abstractUrethane 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.en
dc.publisherElsevier Science Sa, Lausanne
dc.rightsrestrictedAccess
dc.sourceProgress in Organic Coatings
dc.subjecturethane acrylateen
dc.subjecthyperbranched polyesteren
dc.subjectsoybean fatty acidsen
dc.subjectUV curingen
dc.subjecthardnessen
dc.subjectdynamic mechanical propertiesen
dc.titleUV-curable hyperbranched urethane acrylate oligomers containing soybean fatty acidsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage143
dc.citation.issue2
dc.citation.other52(2): 136-143
dc.citation.rankM21
dc.citation.spage136
dc.citation.volume52
dc.identifier.doi10.1016/j.porgcoat.2004.10.003
dc.identifier.scopus2-s2.0-11244335539
dc.identifier.wos000226614600007
dc.type.versionpublishedVersion


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