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Influence of the organoclay content on the structure, morphology, and surface related properties of novel poly(dimethylsiloxane)-based polyurethane/organoclay nanocomposites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F17%3A00474957" target="_blank" >RIV/61389013:_____/17:00474957 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216275:25310/17:39915945

  • Result on the web

    <a href="http://dx.doi.org/10.1021/acs.iecr.6b04913" target="_blank" >http://dx.doi.org/10.1021/acs.iecr.6b04913</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.iecr.6b04913" target="_blank" >10.1021/acs.iecr.6b04913</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influence of the organoclay content on the structure, morphology, and surface related properties of novel poly(dimethylsiloxane)-based polyurethane/organoclay nanocomposites

  • Original language description

    Novel poly(dimethylsiloxane)-based polyurethane nanocomposites (TPU-NCs) were synthesized using in situ polymerization with the nanoclay Cloisite 30B. Differential scanning calorimetry, thermogravimetric analysis, and dynamic mechanical thermal analysis showed that TPU-NCs with an organoclay content of <=5 wt % exhibited increased thermal stability, storage modulus, and hard-segment melt temperatures but decreased degrees of crystallinity. TPU-NCs displayed increased surface hydrophilicity and enhanced surface free energy with increasing organoclay content. Small- and wide-angle X-ray scattering confirmed intercalated formations of organoclays in the nanocomposites. Individual clay particles on the surfaces of TPUs with lower organoclay loadings (1 or 3 wt %) or organoclay agglomerates in TPUs with higher amounts of organoclay (>=5 wt %) were detectable using scanning electron microscopy. The relatively smooth and homogeneous character of pure TPU and the distinctly heterogeneous and rough surfaces of TPU-NCs were detected via atomic force microscopy. Among the nanomaterials prepared, TPU-NCs with 1 wt % organoclay provided the best balance between the organoclay concentration and the functional properties desired in 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/GA13-06700S" target="_blank" >GA13-06700S: Multifunctional highly elastic polymeric materials with controlled biodegradability</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Industrial and Engineering Chemistry Research

  • ISSN

    0888-5885

  • e-ISSN

  • Volume of the periodical

    56

  • Issue of the periodical within the volume

    17

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    14

  • Pages from-to

    4970-4983

  • UT code for WoS article

    000400802200009

  • EID of the result in the Scopus database

    2-s2.0-85020757779