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dc.contributor.authorBrzeska, Joanna
dc.contributor.authorElert, Anna
dc.contributor.authorMorawska, Magda
dc.contributor.authorSikorska, Wanda
dc.contributor.authorRutkowska, Maria
dc.contributor.authorKowalczuk, Marek
dc.date.accessioned2018-08-31T13:31:19Z
dc.date.available2018-08-31T13:31:19Z
dc.date.issued2018-07-26
dc.identifier.citation'Branched Polyurethanes Based on Synthetic Polyhydroxybutyrate with Tunable Structure and Properties' Polymers, 10(8), 826 doi: 10.3390/polym10080826
dc.identifier.issn2073-4360
dc.identifier.doi10.3390/polym10080826
dc.identifier.urihttp://hdl.handle.net/2436/621669
dc.description.abstractBranched, aliphatic polyurethanes (PURs) were synthesized and compared to linear analogues. The influence of polycaprolactonetriol and synthetic poly([R,S]-3-hydroxybutyrate) (R,S-PHB) in soft segments on structure, thermal and sorptive properties of PURs was determined. Using FTIR and Raman spectroscopies it was found that increasing the R,S-PHB amount in the structure of branched PURs reduced a tendency of urethane groups to hydrogen bonding. Melting enthalpies (on DSC thermograms) of both soft and hard segments of linear PURs were higher than branched PURs, suggesting that linear PURs were more crystalline. Oil sorption by samples of linear and branched PURs, containing only polycaprolactone chains in soft segments, was higher than in the case of samples with R,S-PHB in their structure. Branched PUR without R,S-PHB absorbed the highest amount of oil. Introducing R,S-PHB into the PUR structure increased water sorption. Thus, by operating the number of branching and the amount of poly([R,S]-3-hydroxybutyrate) in soft segments thermal and sorptive properties of aliphatic PURs could be controlled.
dc.formatapplication/PDF
dc.language.isoen
dc.publisherMDPI
dc.relation.urlhttp://www.mdpi.com/2073-4360/10/8/826
dc.subjectpolyurethane structure
dc.subjectlinear and branched polyurethanes
dc.subjectsynthetic polyhydroxybutyrate
dc.subjectthermal properties
dc.subjectsorptive properties
dc.titleBranched polyurethanes based on synthetic polyhydroxybutyrate with tunable structure and properties
dc.typeJournal article
dc.identifier.journalPolymers
dc.date.accepted2018-07-22
rioxxterms.funderUniversity of Wolverhampton
rioxxterms.identifier.projectUOW310818MK
rioxxterms.versionAO
rioxxterms.licenseref.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
rioxxterms.licenseref.startdate2018-07-26
dc.source.journaltitlePolymers
dc.source.volume10
dc.source.issue8
dc.source.beginpage826
refterms.dateFOA2018-08-31T13:31:19Z


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