Results 11 to 20 of about 21,572 (262)

Copper-mediated stepwise polymerization of benzynes: construction of amphiphilic block copolymers and their self-assembly in water [PDF]

RSC Advances
A novel synthetic approach for preparing well-defined amphiphilic poly(ortho-phenylene) (PoP) block copolymers via direct polymerization of benzynes has been reported.
Masahiro Sonobe, Yu Kitazawa, Masanobu Uchiyama, Mutsumi Kimura   +3 more
doaj   +2 more sources

Comment on “Quantify the contribution of chain length heterogeneity on block copolymer self-assembly”

Giant, 2021
The effects of molecular weight distribution on the self-assembly of lamella-forming AB-diblock copolymers with polydisperse A-blocks are examined using the self-consistent field theory applied to the freely-jointed chain (FJC) model of polymers.
Chi To Lai, An-Chang Shi
doaj   +1 more source

Research Update: Triblock copolymers as templates to synthesize inorganic nanoporous materials

APL Materials, 2016
This review focuses on the application of triblock copolymers as designed templates to synthesize nanoporous materials with various compositions. Asymmetric triblock copolymers have several advantages compared with symmetric triblock copolymers and ...
Yunqi Li, Bishnu Prasad Bastakoti, Yusuke Yamauchi   +2 more
doaj   +1 more source

Fabrication routes for one-dimensional nanostructures via block copolymers

Nano Convergence, 2017
Nanotechnology is the field which deals with fabrication of materials with dimensions in the nanometer range by manipulating atoms and molecules. Various synthesis routes exist for the one, two and three dimensional nanostructures. Recent advancements in
Maithri Tharmavaram, Deepak Rawtani, Gaurav Pandey   +2 more
doaj   +1 more source

Phospholipid-mimicking block, graft, and block-graft copolymers for phase-transition microbubbles as ultrasound contrast agents

Frontiers in Pharmacology, 2022
Background: Lipid and polymer microbubbles (MBs) are widely used as ultrasound contrast agents in clinical diagnosis, and possess great potential in ultrasound-mediated therapy due to their drug loading function.
Jianbo Huang, Hong Wang, Lei Huang, Yuqing Zhou   +3 more
doaj   +1 more source

Separation of Poly(styrene-block-t-butyl methacrylate) Copolymers by Various Liquid Chromatography Techniques

The Scientific World Journal, 2012
The separation of a mixture of three poly(styrene-block-t-butyl methacrylate) copolymers (PS-b-PtBMA), consisting of polystyrene (PS) blocks of similar length and t-butyl methacrylate (PtBMA) blocks of different lengths, was performed using various ...
Tina Šmigovec Ljubič, David Pahovnik, Majda Žigon, Ema Žagar   +3 more
doaj   +1 more source

Highly Efficient One-Pot Synthesis of COS-Based Block Copolymers by Using Organic Lewis Pairs

Molecules, 2018
A one-pot synthesis of block copolymer with regioregular poly(monothiocarbonate) block is described via metal-free catalysis. Lewis bases such as guanidine, quaternary onium salts, and Lewis acid triethyl borane (TEB) were equivalently combined and used ...
Jia-Liang Yang, Xiao-Han Cao, Cheng-Jian Zhang, Hai-Lin Wu, Xing-Hong Zhang   +4 more
doaj   +1 more source

Synthesis of Fluorinated Amphiphilic Block Copolymers Based on PEGMA, HEMA, and MMA via ATRP and CuAAC Click Chemistry

International Journal of Polymer Science, 2014
Synthesis of fluorinated amphiphilic block copolymers via atom transfer radical polymerization (ATRP) and Cu(I) catalyzed Huisgen 1,3-dipolar cycloaddition (CuAAC) was demonstrated.
Fatime Eren Erol, Deniz Sinirlioglu, Sedat Cosgun, Ali Ekrem Muftuoglu   +3 more
doaj   +1 more source

Synthesis and Characterization of Side-Chain Liquid-Crystalline Block Copolymers Containing Cyano-Terminated Phenyl Benzoate Moieties

Molecules, 2023
Block copolymers, known for their capacity to undergo microphase separation, spontaneously yield various periodic nanostructures. These precisely controlled nanostructures have attracted considerable interest due to their potential applications in ...
Kaito Takahashi, Daisuke Taguchi, Takashi Kajitani, Takanori Fukushima, Shoichi Kubo, Atsushi Shishido   +5 more
doaj   +1 more source

Synthesis of tri-block copolymers through reverse atom transfer radical polymerization of methyl methacrylate using polyurethane macroiniferter

eXPRESS Polymer Letters, 2008
Reverse atom transfer radical polymerization was successfully used for the first time to synthesis tri-block copolymers. Poly (methyl methacrylate)-block-polyurethane-block-poly (methyl methacrylate) tri-block copolymers were synthesized using ...
doaj   +1 more source