Articles with "block poly" as a keyword



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Micellization of pH-sensitive poly(butadiene)-block-poly(2 vinylpyridine)-block-poly(ethylene oxide) triblock copolymers: Complex formation with anionic surfactants

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45313

Abstract: The micellization of three tailor-made triblock copolymers, such as PB100–P2VP100–PEO104, PB185–P2VP108–PEO154, and PB37–P2VP115–PEO241, having similar total molecular weights and constant poly(2-vinylpyridine) (P2VP) sequence lengths, was investigated as a function of pH and sodium dodecyl sulfate… read more here.

Keywords: block poly; block; poly vinylpyridine; formation ... See more keywords
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Gamma irradiation, thermal conductivity, and phase change tests of the cement‐hyperbranched poly amino‐ester‐block‐poly cabrolactone‐polyurathane plaster‐lead oxide and arsenic oxide composite for development of radiation shielding material

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Published in 2021 at "International Journal of Energy Research"

DOI: 10.1002/er.7136

Abstract: The work which has been done on cement‐polymer composite based shielding materials was comprehensively described in the present article, the choice of the study presented here is based on the choice of the researches. The… read more here.

Keywords: block poly; ester block; poly amino; poly ... See more keywords
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Synthesis and properties of biodegradable supramolecular polymers based on polylactide‐block‐poly(δ‐valerolactone)‐block‐polylactide triblock copolymers

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Published in 2017 at "Polymer International"

DOI: 10.1002/pi.5404

Abstract: Biodegradable supramolecular polymers (SMPs) are synthesized by the end-functionalization of poly(lactide)-block-poly(δ-valerolactone)-block-poly(lactide) (PLA-PVL-PLA) triblock copolymers with 2-ureido-4[1H]-pyrimidinone (UPy) self-complementary quadruple hydrogen-bonding unites. The end-functionalized PLA-PVL-PLA copolymers exhibit the typical characteristics of thermoplastic elastomers. Thermal, crystallization behavior,… read more here.

Keywords: block poly; block; pla; supramolecular polymers ... See more keywords
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Fluorescence Sensing of Nucleic Acid by Curcumin Encapsulated Poly(Ethylene Oxide)-Block-Poly(Propylene Oxide)-Block-Poly(Ethylene Oxide) Based Nanocapsules

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Published in 2020 at "Journal of Fluorescence"

DOI: 10.1007/s10895-020-02528-9

Abstract: In a novel approach, curcumin has been encapsulated inside Poly(Ethylene Oxide)-Block-Poly(Propylene Oxide)-Block-Poly(Ethylene Oxide) (F108) nanocapsules. FTIR spectra have indicated a type of hydrogen bonding and dipole interaction between curcumin and F108. Fluorescence and UV-visible absorption… read more here.

Keywords: block poly; ethylene oxide; oxide block; poly ethylene ... See more keywords
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Amphiphilic reactive poly(glycidyl methacrylate)-block-poly(dimethyl siloxane)-block-poly(glycidyl methacrylate) triblock copolymer for the controlling nanodomain morphology of epoxy thermosets

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Published in 2019 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2019.109236

Abstract: Abstract The amphiphilic reactive tricopolymer Poly(glycidylmethacrylate) -b-Poly(dimethylsiloxane)-b-Poly(glycidylmethacrylate) (PGMA-b-PDMS-b-PGMA) was synthesized via atom transfer radical polymerization (ATRP) from the PDMS macro-initiator and glycidylmethacrylate (GMA). The internal structure of the reactive tricopolymer was described by Fourier transform… read more here.

Keywords: block poly; block; poly glycidyl; poly ... See more keywords
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Polymersomes with asymmetric membranes and self-assembled superstructures using pentablock quintopolymers resolved by electron tomography.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c7cc07306b

Abstract: Polystyrene-block-poly(1,4-isoprene)-block-poly(dimethyl siloxane)-block-poly(tert-butyl methacrylate)-block-poly(2-vinyl pyridine), PS-b-PI-b-PDMS-b-PtBMA-b-P2VP, self-assembles in acetone into polymersomes with asymmetric (directional) PI-b-PDMS membranes. The polymersomes, in turn, self-assemble into superstructures. Analogically to supravesicular structures at a smaller length scale, we refer to them… read more here.

Keywords: asymmetric membranes; polymersomes asymmetric; membranes self; block poly ... See more keywords
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Chitosan/poly(ε-caprolactone)-block-poly(ethylene glycol) copolymer electrospun membrane for the adsorption of dyes

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Published in 2020 at "New Journal of Chemistry"

DOI: 10.1039/d0nj04370b

Abstract: The CS/PCL-(b-PEG) nanofibers with controllable core to shell ratio were fabricated as an adsorbent for dye adsorption. read more here.

Keywords: adsorption; block poly; chitosan poly; poly ... See more keywords
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Segmented-Block Poly(ether amide)s Containing Flexible Polydisperse Polyethyleneoxide Sequences and Rigid Aromatic Amide Moieties

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Published in 2021 at "Materials"

DOI: 10.3390/ma14112804

Abstract: We describe the synthesis and characterization of three novel aromatic diamines containing oxyethylene sequences of different lengths. These diamines were polymerized using the low-temperature solution polycondensation method with isophthaloyl chloride (IPC), terepthaloyl chloride (TPC), [1,1’-biphenyl]-4,4’-dicarbonyl… read more here.

Keywords: ether amide; block poly; polydisperse polyethyleneoxide; segmented block ... See more keywords
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The Adsorption of Methylene Blue by an Amphiphilic Block Co-Poly(Arylene Ether Nitrile) Microsphere-Based Adsorbent: Kinetic, Isotherm, Thermodynamic and Mechanistic Studies

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Published in 2019 at "Nanomaterials"

DOI: 10.3390/nano9101356

Abstract: Dye pollution is a serious problem in modern society. We desired to develop an efficient adsorbent for the decontamination of discharged dyes. In this work, the polymeric microspheres derived from a kind of amphiphilic block… read more here.

Keywords: adsorption; ether nitrile; block poly; poly arylene ... See more keywords
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The Length of Hydrophobic Chain in Amphiphilic Polypeptides Regulates the Efficiency of Gene Delivery

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Published in 2018 at "Polymers"

DOI: 10.3390/polym10040379

Abstract: The major challenges of non-viral carriers are low transfection efficiency and high toxicity. To overcome this bottleneck, it is very important to investigate the structure-property-function (transfection efficiency) relationships of polycations. Herein, different length hydrophobic poly(l-leucine)… read more here.

Keywords: poly lysine; amphiphilic polypeptides; block poly; poly ... See more keywords
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Development and Characterization of PEGylated Fatty Acid-Block-Poly(ε-caprolactone) Novel Block Copolymers and Their Self-Assembled Nanostructures for Ocular Delivery of Cyclosporine A

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Published in 2022 at "Polymers"

DOI: 10.3390/polym14091635

Abstract: Low aqueous solubility and membrane permeability of some drugs are considered major limitations for their use in clinical practice. Polymeric micelles are one of the potential nano-drug delivery systems that were found to ameliorate the… read more here.

Keywords: myrj; caprolactone; pcl; block ... See more keywords