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Nanocomposites made from thermoplastic linear poly(urethane-siloxane) and organoclay: composition impact on the properties

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F22%3A00563596" target="_blank" >RIV/61389013:_____/22:00563596 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.doiserbia.nb.rs/Article.aspx?ID=0352-51392200036P#.Y2ofj-SZPyQ" target="_blank" >http://www.doiserbia.nb.rs/Article.aspx?ID=0352-51392200036P#.Y2ofj-SZPyQ</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.2298/JSC220223036P" target="_blank" >10.2298/JSC220223036P</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Nanocomposites made from thermoplastic linear poly(urethane-siloxane) and organoclay: composition impact on the properties

  • Original language description

    Thermoplastic poly(urethane-siloxane)/organoclay nanocomposites (TPU NCs) with different hard segment content (20–55 wt. %) were prepared by in situ polymerization in the presence of organically modified montmorillonite as a nanofiller (Cloisite 30B, 1 wt. %). Hydroxyl-terminated ethoxypropyl- poly(dimethylsiloxane) was used as soft segment, while 4,4'-methylenediphenyl diisocyanate and 1,4-butanediol were the hard segment components. The study of the influence of the hard segment content on the functional properties of TPU NCs was performed by Fourier transform infrared (FTIR) spectroscopy, X-ray diffractometry (XRD), atomic force microscopy (AFM), scanning electron microscopy (SEM), dynamic mechanical thermal analyses (DMTA), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), water contact angle and water absorption tests. The results revealed that TPU NCs with the increasing hard segment content exhibit higher values of degree of microphase separation, melting temperature of the hard segments, degree of crystallinity, storage modulus (except for TPU NC-55), but lower thermal stability and hydrophobicity. TPU NC films were hydrophobic and their free surface energy was in the range from 17.7 to 24.9 mJ m-2. This work highlights how the composition of TPU NCs would affect their functional properties and provide an additional composition intended for designing advanced TPU NC materials for special biomedical applications.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10404 - Polymer science

Result continuities

  • Project

    <a href="/en/project/GA18-03932S" target="_blank" >GA18-03932S: Polyurethanes with integrated inorganic/organic blocks and controllable hydrolytic stability</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the Serbian Chemical Society

  • ISSN

    0352-5139

  • e-ISSN

    0352-5139

  • Volume of the periodical

    87

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    RS - THE REPUBLIC OF SERBIA

  • Number of pages

    16

  • Pages from-to

    1203-1218

  • UT code for WoS article

    000830542400001

  • EID of the result in the Scopus database

    2-s2.0-85143403778