Light-responsive hybrids based on carbon nanotubes with covalently attached PHEMA-g-PCL brushes
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28610%2F21%3A63528659" target="_blank" >RIV/70883521:28610/21:63528659 - isvavai.cz</a>
Result on the web
<a href="https://pubs.acs.org/doi/10.1021/acs.macromol.0c02701" target="_blank" >https://pubs.acs.org/doi/10.1021/acs.macromol.0c02701</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acs.macromol.0c02701" target="_blank" >10.1021/acs.macromol.0c02701</a>
Alternative languages
Result language
angličtina
Original language name
Light-responsive hybrids based on carbon nanotubes with covalently attached PHEMA-g-PCL brushes
Original language description
Carbon nanotube (CNT)-based materials allow for the direct conversion of light into heat and then into mechanical force in the so-called photo-mechanical effect. This effect has been observed almost solely in the form of polymer (nano)composites, where CNTs act as active fillers. To overcome the issue with heterogeneous distribution, hybrids based on multiwalled carbon nanotubes (MWCNTs) covalently modified with poly(2-hydroxyethyl methacrylate)-graf t-poly(∈-caprolactone) brushes (MWCNTs-PHEMA-g-PCL) were prepared, and their photo-mechanical actuator behavior, without the need for mixing with an elastomer, was proven. The MWCNTs-PHEMA-g-PCL hybrids were synthesized using the surface-initiated reversible addition- fragmentation chain transfer polymerization of 2-hydroxyethyl methacrylate, with subsequent ring-opening polymerization of ∈- caprolactone from the pendant hydroxyl groups of PHEMA. It was found that the MWCNTs-PHEMA-g-PCL hybrid material containing 24 wt % MWCNTs possesses the properties of thermoplastic elastomers, while retaining their elastic properties at least up to 100 °C. It exhibits an excellent, fully reversible, repeatable, and fast photo-mechanical actuation behavior.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10404 - Polymer science
Result continuities
Project
—
Continuities
V - Vyzkumna aktivita podporovana z jinych verejnych zdroju
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Macromolecules
ISSN
0024-9297
e-ISSN
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Volume of the periodical
54
Issue of the periodical within the volume
5
Country of publishing house
US - UNITED STATES
Number of pages
15
Pages from-to
2412-2426
UT code for WoS article
000629151900035
EID of the result in the Scopus database
2-s2.0-85102074943