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Shape memory polyurethanes based on recycled polyvinyl butyral II. mechanical and shape memory properties

Title:
Shape memory polyurethanes based on recycled polyvinyl butyral II. mechanical and shape memory properties
Abstract:
Shape memory polyurethanes (SMPUs) based on recycled polyvinyl butyral and 4,4'-diphenylmethane diisocyanate, hexane-1,6-diol, and polypropylene glycol of varying hard segment content were investigated. Their mechanical properties and shape memory effect in particular were examined defining the amorphous soft segment domain as a reversible phase, while the crystalline hard segment domain as a frozen phase. Effects of hard segment content (30-45 %) and maximum strain on the cyclic tensile and mechanical properties below (25°C) and above (70°C) material glass transition temperatures were studied. The properties reversibility observed on repeated deformation was improved by decrease of the deformation magnitude and the increase of the hard segment content.
Year:
2014
Publication type:
Journal article
Journal:
Journal of Chemical Technology and Metallurgy
ISSN:
1314-7471
Number:
3
Volume:
49
Pages:
225-228
Language:
English
Document status:
Open access
PubListerURL:
https://publister.bib.th-wildau.de/publister/public/publication/990
Keywords:
recycled polyvinyl butyral, shape memory, polyurethanes, mechanical properties
Tsonev, T., Nenkova, S., & Herzog, M. (2014). Shape memory polyurethanes based on recycled polyvinyl butyral II. mechanical and shape memory properties Journal of Chemical Technology and Metallurgy. 49 (3), 225-228.
@article{990,
    author           = {Tsonev, Tsvetomir and Nenkova, Sanchi and Herzog, Michael},
    title            = {Shape memory polyurethanes based on recycled polyvinyl butyral II. mechanical and shape memory properties},
    journal          = {Journal of Chemical Technology and Metallurgy},
    year             = {2014},
    volume           = {49},
    number           = {3},
    pages            = {225-228},
    url              = {http://dl.uctm.edu/journal/node/j2014-3/3-Tsonev_Sanchi-225-228.pdf},
}


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