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Polymers, Volume 12, Issue 10

October 2020 - 262 articles

Cover Story: Engineering applications of hydrogels are generally limited by the common problem of their softness and brittleness. In this study, a composite double network ionic hydrogel (CDN-gel) was synthesized via a facile visible-light-trigger polymerization combined with salt impregnation. The excellent mechanical properties were lent to CDN-gel by the introduction of multi-sacrificial bonds. The CDN-gel has high toughness (48 MJ/m3), stretchability (700%), Young's modulus (3.5 MPa), and notch-insensitivity. The residual strain is <25% after stretch-releasing for 1000 cycles at a strain of 200%. The above properties are expected to expand the application of hydrogel in anti-fatigue and damping fields. View this paper.
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Articles (262)

  • Article
  • Open Access
31 Citations
3,868 Views
15 Pages

19 October 2020

Poly(lactic) acid (PLA) is one of the most promising biobased materials, but its inherent flammability limits its applications. A novel flame retardant hexa-(DOPO-hydroxymethylphenoxy-dihydroxybiphenyl)-cyclotriphosphazene (HABP-DOPO) for PLA was pre...

  • Article
  • Open Access
6 Citations
3,702 Views
16 Pages

Crystallization of Poly(ethylene)s with Regular Phosphoester Defects Studied at the Air–Water Interface

  • Nazmul Hasan,
  • Karsten Busse,
  • Tobias Haider,
  • Frederik R. Wurm and
  • Jörg Kressler

19 October 2020

Poly(ethylene) (PE) is a commonly used semi-crystalline polymer which, due to the lack of polar groups in the repeating unit, is not able to form Langmuir or Langmuir–Blodgett (LB) films. This problem can be solved using PEs with hydrophilic gr...

  • Article
  • Open Access
29 Citations
3,477 Views
19 Pages

Removal of Cd2+ from Water by Use of Super-Macroporous Cryogels and Comparison to Commercial Adsorbents

  • Alzhan Baimenov,
  • Dmitriy Berillo,
  • Seitkhan Azat,
  • Talgat Nurgozhin and
  • Vassilis Inglezakis

19 October 2020

In this study amphoteric cryogels were synthesized by the use of free-radical co-polymerization of acrylate-based precursors (methacrylic acid and 2-acrylamido-2-methyl-1-propansulfonic acid) with allylamine at different ratios. The physico-chemical...

  • Article
  • Open Access
15 Citations
4,482 Views
12 Pages

19 October 2020

Micro-injection molding has attracted a wide range of research interests to fabricate polymer products with nanostructures for its advantages of cheap and fast production. The heat transfer between the polymer and the mold insert is important to the...

  • Article
  • Open Access
20 Citations
6,578 Views
15 Pages

19 October 2020

To improve the heat resistance of acrylic-based pressure-sensitive adhesive (PSA), silicone-block-containing acrylic PSAs (SPSAs) were synthesized using a polydimethylsiloxane (PDMS)-based macro-azo-initiator (MAI). To evaluate the heat resistance of...

  • Article
  • Open Access
72 Citations
9,143 Views
13 Pages

19 October 2020

The surface electromyography (SEMG) is one of the most popular bio-signals that can be applied in health monitoring systems, fitness training, and rehabilitation devices. Commercial clothing embedded with textile electrodes has already been released...

  • Communication
  • Open Access
30 Citations
3,814 Views
14 Pages

19 October 2020

Conductive polymer composites with carbonaceous fillers are very attractive and play a significant role in the field of electric heaters owing to their lightweight, corrosion resistance, and easy processing as well as low manufacturing cost. In this...

  • Article
  • Open Access
4 Citations
2,987 Views
13 Pages

Influence of the Ultrasonic Treatment on the Properties of Polybutylene Adipate Terephthalate, Modified by Antimicrobial Additive

  • Irina Kirsh,
  • Yuliya Frolova,
  • Olga Beznaeva,
  • Olga Bannikova,
  • Marina Gubanova,
  • Isabella Tveritnikova,
  • Valentina Romanova and
  • Yulia Filinskaya

19 October 2020

Particular attention is paid to biodegradable materials from the environmental point of view and antimicrobial materials that ensure the microbiological safety of packaged products. The aim of the work was to study the properties of the composition,...

  • Article
  • Open Access
4 Citations
3,399 Views
20 Pages

19 October 2020

The study intended to utilizing waste organic fiber for low-cost semi-flexible substrate fabrication to develop microstrip patch antennas for low band communication applications. All the semi-flexible substrates (12.2 wt. % OPEFF/87.8 wt. % PCL, 12.2...

  • Article
  • Open Access
20 Citations
2,853 Views
15 Pages

Mechanistic Studies for Palladium Catalyzed Copolymerization of Ethylene with Vinyl Ethers

  • Andleeb Mehmood,
  • Xiaowei Xu,
  • Waseem Raza,
  • Ki-Hyun Kim and
  • Yi Luo

19 October 2020

The mechanism of ethylene with vinyl ether (VE, CH2=CHOEt) copolymerization catalyzed by phosphine-sulfonate palladium complex (A) was investigated by density functional theory (DFT) calculation. On achieving an agreement between theory and experimen...

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Polymers - ISSN 2073-4360