Results 21 to 30 of about 109,194 (279)

Cinnamyl-Modified Polyglycidol/Poly(ε-Caprolactone) Block Copolymer Nanocarriers for Enhanced Encapsulation and Prolonged Release of Cannabidiol

Pharmaceutics, 2023
The present study describes the development of novel block copolymer nanocarriers of the phytocannabinoid cannabidiol (CBD), designed to enhance the solubility of the drug in water while achieving high encapsulation efficiency and prolonged drug release.
Natalia Toncheva-Moncheva, Erik Dimitrov, Georgi Grancharov, Denitsa Momekova, Petar Petrov, Stanislav Rangelov   +5 more
doaj   +1 more source

Response behavior of diblock copolymer brushes in explicit solvent [PDF]

, 2012
The understanding of phase behavior of copolymer brushes is of fundamental importance for the design of smart materials. In this paper, we have performed classical density functional theory calculations to study diblock copolymer brushes (A-B) in an ...
Chapman, Walter G., Gong, Kai, Marshall, Bennett D.   +2 more
core   +1 more source

Moebius strips of chiral block copolymers

Nature Communications, 2019
The Moebius topology is intriguing because of its structural elegance and distinct properties. Here the authors report block copolymer Moebius strips via a fast self-assembly of chiral block copolymer polystyrene-block-poly(D-lactide acid) in ...
Zhen Geng, Bijin Xiong, Liquan Wang, Ke Wang, Min Ren, Lianbin Zhang, Jintao Zhu, Zhenzhong Yang   +7 more
doaj   +1 more source

Biomimetic Block Copolymer Membranes

CHIMIA, 2008
In this article, we review the recent advances in the field of block copolymer membranes. We discuss the similarities and differences between natural membranes and their polymeric counterparts, pointing out the advantages of the latter in ...
Katarzyna Kita-Tokarczyk, Wolfgang Meier
doaj   +1 more source

Thermoresponsive and Redox Behaviors of Poly(N-isopropylacrylamide)-Based Block Copolymers Having TEMPO Groups as Their Side Chains

International Journal of Polymer Science, 2013
Thermoresponsive and redox-active block copolymers having 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) moieties have been synthesized by using the reversible addition-fragmentation chain transfer (RAFT) polymerization technique.
Toru Uemukai, Tomoya Hioki, Manabu Ishifune   +2 more
doaj   +1 more source

Structure variation and evolution in microphase-separated grafted diblock copolymer films [PDF]

, 2011
The phase behavior of grafted d-polystyrene-block-poly(methyl methacrylate) diblock copolymer films is examined, with particular focus on the effect of solvent and annealing time.
Griffiths, Guy H., Hamley, Ian W., Matsen, Mark W., O'Driscoll, Ben M. D.   +3 more
core   +1 more source

Structure/Glass Transition Temperature Relationship of PVAc-b-poly(MA-co-MMA) Terpolymers with Theoretical and Topological Methods [PDF]

علوم و تکنولوژی پلیمر, 2013
The glass transition temperature of several PVAc(1)-b-poly(MA-co-MMA) (2) terpolymers with different fractions of methyl acrylate (MA) and methyl methacrylate (MMA) repeating units in random copolymer (block 2) were calculated with Barton, Kwei and ...
M.R. Rostami Daronkola, M.A. Semsarzadeh
doaj   +1 more source

Enhancing ordering dynamics in solvent-annealed block-copolymer films by lithographic hard masks supports

, 2014
We studied solvent-driven ordering dynamics of block copolymer films supported by a densely cross-linked polymer network designed as organic hard mask (HM) for lithographic fabrications.
Böker, Alexander, Knoll, Armin W., Stenbock-Fermor, Anja, Tsarkova, Larisa   +3 more
core   +1 more source

Mechanical and viscoelastic properties of novel resin-infused thermoplastic tri-block copolymer 3D glass fabric composites

Polymer Testing
The current study investigates the mechanical and viscoelastic properties of a novel acrylic resin-infused thermoplastic (Elium®) tri-block copolymer (Nanostrength®) 3D fibre-reinforced composites (FRCs).
F.H.A. Rahim, S.Z.H. Shah, P.S.M. Megat-Yusoff, S.M. Hussnain, R.S. Choudhry, M.Z. Hussain   +5 more
doaj   +1 more source

Artificial polyhydroxyalkanoate poly[2-hydroxybutyrate-block-3-hydroxybutyrate] elastomer-like material

Scientific Reports, 2021
The first polyhydroxyalkanoate (PHA) block copolymer poly(2-hydroxybutyrate-b-3-hydroxybutyrate) [P(2HB-b-3HB)] was previously synthesized using engineered Escherichia coli expressing a chimeric PHA synthase PhaCAR with monomer sequence-regulating ...
Yuki Kageyama, Hiroya Tomita, Takuya Isono, Toshifumi Satoh, Ken’ichiro Matsumoto   +4 more
doaj   +1 more source