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Self-Assembly of Low-Molecular-Weight Asymmetric Linear Triblock Terpolymers: How Low Can We Go?
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Self-Assembly of Low-Molecular-Weight Asymmetric Linear Triblock Terpolymers: How Low Can We Go?

Christina Miskaki, Ioannis Moutsios, Gkreti-Maria Manesi, Konstantinos Artopoiadis, Cheng-Yen Chang, Egor A. Bersenev, Dimitrios Moschovas, Dimitri A. Ivanov, Rong-Ming HoApostolos Avgeropoulos
Molecules (Basel, Switzerland), 卷.25(23)
11/2020
PMID: 33255708

摘要

1H-NMR anionic polymerization Flory–Huggins interaction parameters (χ) linear triblock terpolymers SAXS SEC self-assembly in bulk sequential addition of monomers TEM Analytical Chemistry Chemistry (miscellaneous) Molecular Medicine Pharmaceutical Science Drug Discovery Physical and Theoretical Chemistry Organic Chemistry
The synthesis of two (2) novel triblock terpolymers of the ABC type and one (1) of the BAC type, where A, B and C are chemically different segments, such as polystyrene (PS), poly(butadiene) (PB1,4) and poly(dimethylsiloxane) (PDMS), is reported; moreover, their corresponding molecular and bulk characterizations were performed. Very low dimensions are evident from the characterization in bulk from transmission electron microscopy studies, verified by small-angle X-ray data, since sub-16 nm domains are evident in all three cases. The self-assembly results justify the assumptions that the high Flory-Huggins parameter, χ, even in low molecular weights, leads to significantly well-ordered structures, despite the complexity of the systems studied. Furthermore, it is the first time that a structure/properties relationship was studied for such systems in bulk, potentially leading to prominent applications in nanotechnology and nanopatterning, for as low as sub-10 nm thin-film manipulations.

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https://doi.org/10.3390/molecules25235527檢視
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