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In situ observation of nucleated polymer crystallization in polyoxymethylene sandwich composites

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F15%3A00444199" target="_blank" >RIV/61389013:_____/15:00444199 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.3389/fmats.2015.00023" target="_blank" >http://dx.doi.org/10.3389/fmats.2015.00023</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3389/fmats.2015.00023" target="_blank" >10.3389/fmats.2015.00023</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    In situ observation of nucleated polymer crystallization in polyoxymethylene sandwich composites

  • Original language description

    We introduce a dynamic sandwich method, which can be used for in situ observation and quantification of polymer crystallization nucleated by micro/nanoparticles. The method was applied on polyoxymethylene (POM) composites with three nucleating agents: talc micropowder (POM/mTalc), chalk nanopowder (POM/nChalk), and titanate nanotubes (POM/TiNT). The nucleating agents were deposited between polymer films, the resulting sandwich samples were consolidated by thermal treatment, and their microtomed cross-sections were observed during isothermal crystallization by polarized light microscopy (PLM). As the intensity of polarized light was shown to be proportional to the relative crystallinity, the PLM results could be fitted to Avrami equation and the nucleating activity of all investigated particles could be quantified by means of Avrami parameters (n, k). The crystallization half-times increased reproducibly in the following order: POM/nChalk < POM/mTalc < POM/TiNT POM. For strong nucleatin

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JJ - Other materials

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Frontiers in Materials

  • ISSN

    2296-8016

  • e-ISSN

  • Volume of the periodical

    2

  • Issue of the periodical within the volume

    19 March

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    12

  • Pages from-to

    "23_1"-"23_12"

  • UT code for WoS article

  • EID of the result in the Scopus database