Results 21 to 30 of about 429 (144)

Dually-functional riboflavin macromolecule as a supramolecular initiator and reducing agent in temporally-controlled low ppm ATRP

eXPRESS Polymer Letters, 2020
A novel supramolecular riboflavin-inspired macroinitiator was prepared for the first time by transesterification methodology and used as the multifunctional vitamin-B2 core to synthesize PBA brushes using different low ppm atom transfer radical ...
I. Zaborniak, P. Chmielarz
doaj   +1 more source

Responsive Polyelectrolyte Brushes in Applications: Functions, Stimuli, and Design Considerations. [PDF]

Adv Mater
With advances in the synthesis of polyelectrolyte brushes, these coatings of surface‐grafted chains find uses in an increasing number of applications. This review summarizes three core aspects of these brushes: how they introduce functionality to surfaces; how external stimuli influence their properties; and what practical considerations should be ...
Smook LA, Dahlin A, Schroën K, de Beer S.   +3 more
europepmc   +2 more sources

Visible light-photoreactive composite surfaces with thermoresponsive wetting and photocatalytic properties

eXPRESS Polymer Letters, 2022
With the increasing demand for liquid manipulation and microfluidic techniques, surfaces with external stimuli induced real-time tunable wetting properties are getting into the focus of materials science research.
László Mérai, Ágota Deák, Balázs Szalai, Gergely Ferenc Samu, Gábor Katona, László Janovák   +5 more
doaj   +1 more source

Stability of Acetals/Ketals Under Controlled Radical and Ring Opening Polymerization. [PDF]

Macromol Rapid Commun
Investigation of acid‐labile acetals and ketals on the relationship of their sensitivity to acid with their stability to controlled polymerizations, providing important design principles for the synthesis of well‐defined acid‐degradable block copolymers for controlled/enhanced release of encapsulated drug molecules in acidic tumoral environments ...
Andrade-Gagnon B, Casillas-Popova SN, Oh JK.   +2 more
europepmc   +2 more sources

Synthesis of Polymers From Bio-Based Methacrylates Comprising Aromatic or Aliphatic Structures Using NIR-Mediated ATRP. [PDF]

Macromol Rapid Commun
Two bio‐based methacrylates (4‐(4‐methacryloyloxyphenyl)butan‐2‐one and methyl 9‐hydroxy‐10‐(methacryloyloxy) octadecanoate / methyl 9‐(methacryloyloxy)‐10‐hydroxy octadecanoate isomer mixture) are investigated in Photo‐ATRP to obtain homopolymers and block copolymers.
Meckbach N, Rubbert LV, Strehmel B, Strehmel V.   +3 more
europepmc   +2 more sources

A Cu(ii) metal–organic framework as a recyclable catalyst for ARGET ATRP [PDF]

Polymer Chemistry, 2016
A Cu(ii) MOF can serve as an comprehensive catalyst for activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) in the synthesis of benzyl methacrylate, styrene, isoprene and 4-vinylpyridine.
Lee, Hui-Chun, Antonietti, Markus, Schmidt, Bernhard V.K.J.   +2 more
openaire   +3 more sources

Surface Functionalization of Graphene Oxide with Polymer Brushes for Improving Thermal Properties of the Polymer Matrix

Advances in Polymer Technology, 2021
In this work, polymethyl methacrylate (PMMA) and polystyrene (PS) with controlled structures would be grafted on graphene material. The hybrid materials were prepared by coating graphene oxide (GO) with polydopamine (PDA) as a reactive underlayer and ...
Shuangshuang Wang, Houfang Chi, Lin Chen, Wei Li, Yuchao Li, Guang Li, Xiangcai Ge   +6 more
doaj   +1 more source

Investigation of the LCST-Thermoresponsive Behavior of Novel Oligo(Ethylene Glycol)-Modified Pentafluorostyrene Homopolymers

Applied Sciences, 2021
Amphiphilic tetrafluorostyrene monomers (EFS8) carrying in the para position an oligoethylene glycol chain containing 8 oxyethylenic units on average were synthesized and used for preparation via activator regenerated by electron transfer atom transfer ...
Chiara Pelosi, Elisa Guazzelli, Matteo Calosi, Luca Bernazzani, Maria Rosaria Tiné, Celia Duce, Elisa Martinelli   +6 more
doaj   +1 more source

An Acid Test: Facile SI‐ARGET‐ATRP of Methacrylic Acid

Macromolecular Chemistry and Physics, 2018
AbstractAtom transfer radical polymerization (ATRP) of methacrylic acid (MAA) is challenging. Herein is reported a study of conditions for facile surface‐initiated ATRP by activator regenerated electron transfer (SI‐ARGET‐ATRP) growth of poly‐methacrylic acid (PMAA) chains from a plasma polymer surface bearing surface‐immobilized α‐bromoisobutyryl ...
Thomas D. Michl, Dimitri Jung, Andrea Pertoldi, Anna Schulte, Piotr Mocny, Harm‐Anton Klok, Holger Schönherr, Carla Giles, Hans J. Griesser, Bryan R. Coad   +9 more
openaire   +5 more sources

Quaternization of Poly(2-diethyl aminoethyl methacrylate) Brush-Grafted Magnetic Mesoporous Nanoparticles Using 2-Iodoethanol for Removing Anionic Dyes

Applied Sciences, 2021
Magnetic mesoporous silica nanoparticles (Fe3O4-MSNs) were successfully synthesized with a relatively high surface area of 568 m2g−1. Fe3O4-MSNs were then modified with poly(2-diethyl aminoethyl methacrylate) (PDEAEMA) brushes using surface-initiated ...
Khalid Mohammed Alotaibi, Abdurrahman A. Almethen, Abeer M. Beagan, Hassan M. Al-Swaidan, Ashfaq Ahmad, Showkat Ahmad Bhawani, Abdullah M. Alswieleh   +6 more
doaj   +1 more source