Modification of the Co-assembly Behavior of Double-Hydrophilic Block Polyelectrolytes by Hydrophobic Terminal Groups: Ordered Nanostructures with Interpolyelectrolyte Complex Domains
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F21%3A10436090" target="_blank" >RIV/00216208:11310/21:10436090 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=GvWNXRxtvq" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=GvWNXRxtvq</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1021/acsapm.1c00033" target="_blank" >10.1021/acsapm.1c00033</a>
Alternative languages
Result language
angličtina
Original language name
Modification of the Co-assembly Behavior of Double-Hydrophilic Block Polyelectrolytes by Hydrophobic Terminal Groups: Ordered Nanostructures with Interpolyelectrolyte Complex Domains
Original language description
We report here the influence of hydrophobic terminal groups from RAFT chain transfer agent 4-cyano-4[(dodecylsulfanylthiocarbonyl) sulfanyl]pentanoic acid on the coassembly behavior of two oppositely charged double-hydrophilic block polyelectrolytes (DHBPs), poly{[2-(methacryloyloxy)ethyl]trimethyl ammonium iodide}-b-poly(N-isopropyl acrylamide) (QPDMAEMA-PNIPAm), with the dodecyl group at the end of the PNIPAm block, and poly(acrylic acid)-b-poly(N-isopropyl acrylamide) (PAA-PNIPAm). The co-assembly process was investigated using dynamic light scattering (DLS), differential scanning calorimetry (DSC), time-resolved small-angle X-ray scattering (SAXS), and cryo-transmission electron microscopy (TEM). The terminal dodecyl group of QPDMAEMA-PNIPAm induced hydrophobic association of PNIPAm coronas of QPDMAEMA-PNIPAm/PAA-PNIPAm core-corona particles into micrometer-sized aggregates. In ca. 2 s after mixing the DHBPs, the aggregates formed an ordered structure with constant distances (similar to 30 nm) between interpolyelectrolyte complex cores of the core-corona particles. This paper thus shows that a modification of double-hydrophilic block polyelectrolytes by low-molecular-weight hydrophobic terminal groups is a simple route for preparation of nanostructured networks of physically cross-linked nanoparticles with potential application as containers for encapsulation and delivery of multivalent ions.
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
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
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
ACS Applied Polymer Materials [online]
ISSN
2637-6105
e-ISSN
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Volume of the periodical
3
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
1956-1963
UT code for WoS article
000639061000025
EID of the result in the Scopus database
2-s2.0-85103490905