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22 Results Found

  • Article
  • Open Access
4 Citations
3,336 Views
15 Pages

The Micellization of Well-Defined Single Graft Copolymers in Block Copolymer/Homopolymer Blends

  • Eleni Pavlopoulou,
  • Kiriaki Chrissopoulou,
  • Stergios Pispas,
  • Nikos Hadjichristidis and
  • Spiros H. Anastasiadis

9 March 2021

A series of well-defined (polyisoprene)2(polystyrene), I2S, single graft copolymers with similar total molecular weights but different compositions, fPS, were blended with a low molecular weight polyisoprene homopolymer matrix at a constant concentra...

  • Article
  • Open Access
8 Citations
2,418 Views
19 Pages

20 January 2024

Previously reported amphiphilic linear and graft copolymers, derived from the ionic liquid [2-(methacryloyloxy)ethyl]trimethylammonium chloride (TMAMA_Cl‾), along with their conjugates obtained through modification either before or after polyme...

  • Article
  • Open Access
12 Citations
4,298 Views
17 Pages

8 April 2023

In this work, a commercial SBS was functionalized with the 2,2,6,6-tetramethylpiperidin-N-oxyl stable radical (TEMPO) via free-radical activation initiated with benzoyl peroxide (BPO). The obtained macroinitiator was used to graft both vinylbenzyl ch...

  • Article
  • Open Access
3 Citations
3,711 Views
23 Pages

Immobilization and Release Studies of Triazole Derivatives from Grafted Copolymer Based on Gellan-Carrying Betaine Units

  • Nicolae Baranov,
  • Stefania Racovita,
  • Silvia Vasiliu,
  • Ana Maria Macsim,
  • Catalina Lionte,
  • Valeriu Sunel,
  • Marcel Popa,
  • Jacques Desbrieres and
  • Corina Cheptea

New polymer-bioactive compound systems were obtained by immobilization of triazole derivatives onto grafted copolymers and grafted copolymers carrying betaine units based on gellan and N-vinylimidazole. For preparation of bioactive compound, two new...

  • Article
  • Open Access
3 Citations
2,202 Views
18 Pages

4 August 2023

A simple and compact intensity-interrogated terahertz (THz) relative humidity (RH) sensing platform is successfully demonstrated in experiments on the basis of combining a porous polymer sensing membrane and a continuous THz electronic system. The RH...

  • Article
  • Open Access
1 Citations
1,867 Views
18 Pages

Revealing Long-Range Order in Brush-like Graft Copolymers Through In Situ Measurements of X-Ray Scattering During Deformation

  • Akmal Z. Umarov,
  • Evgeniia A. Nikitina,
  • Alexey A. Piryazev,
  • Ioannis Moutsios,
  • Martin Rosenthal,
  • Andrey O. Kurbatov,
  • Yulia D. Gordievskaya,
  • Elena Yu. Kramarenko,
  • Erfan Dashtimoghadam and
  • Mitchell R. Maw
  • + 2 authors

27 November 2024

Brush-like graft copolymers (A-g-B), in which linear A-blocks are randomly grafted onto the backbone of a brush-like B-block, exhibit intense strain-stiffening and high mechanical strength on par with load-bearing biological tissues such as skin and...

  • Article
  • Open Access
3 Citations
3,461 Views
14 Pages

9 September 2018

An immiscible blend of poly(hydroxy ether of bisphenol-A) (phenoxy) and poly(1,4-butylene terephthalate) (PBT) with phase separation was observed in as-blended samples. The compatibilization of phenoxy/PBT blends can be promoted through chemical exch...

  • Article
  • Open Access
12 Citations
2,536 Views
12 Pages

24 June 2022

Graft copolymers based on a choline ionic liquid (IL), [2-(methacryloyloxy)ethyl]-trimethylammonium chloride (TMAMA), were obtained by atom transfer radical polymerization. The presence of chloride counterions in the trimethylammonium groups promoted...

  • Article
  • Open Access
18 Citations
5,353 Views
11 Pages

Selective Flocculation Separation of Fine Hematite from Quartz Using a Novel Grafted Copolymer Flocculant

  • Jinxia Zhang,
  • Weiguang Sun,
  • Zhiyong Gao,
  • Fusheng Niu,
  • Long Wang,
  • Yawei Zhao and
  • Yuesheng Gao

28 May 2018

Beneficiation of ultrafine mineral particles (typically with an average size less than 20 µm) remains a critical problem for the mineral processing industry. Selective flocculation technique has been found to show great potential to tackle this...

  • Article
  • Open Access
3,482 Views
13 Pages

Synthesis of a Poly(3-dodecylthiophene) Bearing Aniline Groups for the Covalent Functionalization of Carbon Nanotubes

  • Felipe Wasem Klein,
  • Jean-Philippe Lamps,
  • Matthieu Paillet,
  • Pierre Petit and
  • Philippe J. Mésini

11 November 2021

The functionalization of carbon nanotubes by polymers necessitates two steps, first their modification by oxidizing them or by covalently attaching small compounds to them, then the growth of the polymer chains from these anchors or their grafting on...

  • Article
  • Open Access
1 Citations
2,076 Views
14 Pages

11 February 2022

Semiflexible nunchucks are block copolymers, which consist of two long blocks of high bending stiffness jointed together by a short block of low bending stiffness. Semiflexible nunchucks that consist of two DNA nanorods jointed by a short segment of...

  • Article
  • Open Access
497 Views
18 Pages

26 September 2025

This study reports the synthesis and characterization of well-defined ionic graft conjugates acting as drug delivery systems, based on monomeric ionic units derived from choline methacrylate (TMAMA) biofunctionalized with the anions of ampicillin (AM...

  • Article
  • Open Access
9 Citations
4,578 Views
10 Pages

5 February 2019

Simple and rapid detection of DNA single base mismatch or point mutation is of great significance for the diagnosis, treatment, and detection of single nucleotide polymorphism (SNP) in genetic diseases. Homogeneous mutation assays with fast hybridiza...

  • Article
  • Open Access
1,039 Views
15 Pages

28 July 2025

To rationally utilize and develop agricultural waste products, this research involved the synthesis of degradable high water-absorbing resin through the graft copolymerization of cotton straw (CS) with monomers. Among them, acrylic acid (AA) and acry...

  • Article
  • Open Access
6 Citations
4,616 Views
16 Pages

Physico-Chemical Characteristics and Posterolateral Fusion Performance of Biphasic Calcium Phosphate with Submicron Needle-Shaped Surface Topography Combined with a Novel Polymer Binder

  • Ruggero Belluomo,
  • Inazio Arriola-Alvarez,
  • Nathan W. Kucko,
  • William R. Walsh,
  • Joost D. de Bruijn,
  • Rema A. Oliver,
  • Dan Wills,
  • James Crowley,
  • Tian Wang and
  • Florence Barrère-de Groot

11 February 2022

A biphasic calcium phosphate with submicron needle-shaped surface topography combined with a novel polyethylene glycol/polylactic acid triblock copolymer binder (BCP-EP) was investigated in this study. This study aims to evaluate the composition, deg...

  • Article
  • Open Access
10 Citations
2,354 Views
15 Pages

25 November 2022

Polymerizable choline-based ionic liquid (IL), i.e., [2-(methacryloyloxy)ethyl]-trimethylammonium (TMAMA/Cl¯), was functionalized by an ion exchange reaction with pharmaceutical anions, i.e., cloxacillin (CLX¯) and fusidate (FUS¯), as...

  • Article
  • Open Access
5 Citations
2,151 Views
14 Pages

Previously obtained amphiphilic graft copolymers based on [2-(methacryloyloxy)ethyl]trimethylammonium chloride (TMAMA) ionic liquid were used as the matrices of three types of nanocarriers, i.e., conjugates with ionic piperacillin (PIP) and micelles...

  • Article
  • Open Access
1,392 Views
11 Pages

In Situ Fluorescent Visualization of the Interfacial Layer of Induced Crystallization in Polyvinyl Chloride

  • Zhihang An,
  • Renping Liu,
  • Zhenhao Dai,
  • Jiaping Liu,
  • Jiaying Du,
  • Zhongyi Sheng and
  • Heyang Liu

12 November 2024

Despite the remarkable progress in the modification and application of polyvinyl chloride (PVC), developing processing aids for the induced crystallization of PVC and characterizing its interfacial layer remain challenges. Herein, we propose a new po...

  • Article
  • Open Access
34 Citations
4,567 Views
18 Pages

Single-Walled Carbon Nanotubes Modify Leaf Micromorphology, Chloroplast Ultrastructure and Photosynthetic Activity of Pea Plants

  • Violeta Velikova,
  • Nia Petrova,
  • László Kovács,
  • Asya Petrova,
  • Dimitrina Koleva,
  • Tsonko Tsonev,
  • Stefka Taneva,
  • Petar Petrov and
  • Sashka Krumova

Single-walled carbon nanotubes (SWCNTs) emerge as promising novel carbon-based nanoparticles for use in biomedicine, pharmacology and precision agriculture. They were shown to penetrate cell walls and membranes and to physically interact and exchange...

  • Article
  • Open Access
8 Citations
3,044 Views
19 Pages

21 April 2024

Wastewater containing organic dyes has become one of the important challenges in water treatment due to its high salt content and resistance to natural degradation. In this work, a novelty adsorbent, PEI-SMA, was prepared by grafting polyethyleneimin...

  • Article
  • Open Access
9 Citations
3,525 Views
23 Pages

Molecularly Imprinted Chitosan-Based Thin Films with Selectivity for Nicotine Derivatives for Application as a Bio-Sensor and Filter

  • Obinna Ofoegbu,
  • David Chukwuebuka Ike,
  • Gaber El-Saber Batiha,
  • Hassan Fouad,
  • Roongnapa S. Srichana and
  • Ian Nicholls

30 September 2021

This study reports the feasible use of chitosan as a thin film biosensor on the very sensitive quartz crystal micro balance system for detection of blends of multiple templates within a single matrix. The development of chitosan-based thin film mater...

  • Review
  • Open Access
364 Citations
25,328 Views
67 Pages

Polymerization Reactions and Modifications of Polymers by Ionizing Radiation

  • Aiysha Ashfaq,
  • Marie-Claude Clochard,
  • Xavier Coqueret,
  • Clelia Dispenza,
  • Mark S. Driscoll,
  • Piotr Ulański and
  • Mohamad Al-Sheikhly

30 November 2020

Ionizing radiation has become the most effective way to modify natural and synthetic polymers through crosslinking, degradation, and graft polymerization. This review will include an in-depth analysis of radiation chemistry mechanisms and the kinetic...