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Polymers, Volume 13, Issue 21

November-1 2021 - 251 articles

Cover Story: An important challenge in many mature reservoirs is controlling preferential fluid flows. We proposed the concept of adding both reinforcable and self-healable properties to swellable materials and systematically investigated a novel poly(acrylamide-co-vinyl acetate)/alginate-based interpenetrated gel system (Alg-IPNG). The alginate polymer can take advantage of environmental Ca(Ⅱ) ions in the formation water to reinforce its strength by forming Ca–alginate bonds. Chromium acetate was pre-incorporated into the gel system to provide the delayed crosslinking feature of the swelled gels. View this paper
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Articles (251)

  • Article
  • Open Access
32 Citations
6,504 Views
19 Pages

Optimization of the Warpage of Fused Deposition Modeling Parts Using Finite Element Method

  • Daniyar Syrlybayev,
  • Beibit Zharylkassyn,
  • Aidana Seisekulova,
  • Asma Perveen and
  • Didier Talamona

8 November 2021

Fused deposition modeling (FDM) is one of the most affordable and widespread additive manufacturing (AM) technologies. Despite its simplistic implementation, the physics behind this FDM process is very complex and involves rapid heating and cooling o...

  • Article
  • Open Access
5 Citations
2,980 Views
19 Pages

8 November 2021

Aromatic polyimine (PIM) was prepared through condensation polymerization between p-phenylene diamine and terephthalaldehyde via Schiff reactions. PIM can be physically crosslinked with ferrous ions into gel. The gel-composites, calcined at two conse...

  • Article
  • Open Access
11 Citations
3,752 Views
20 Pages

Poly(L-lactic acid) Reinforced with Hydroxyapatite and Tungsten Disulfide Nanotubes

  • Ofek Golan,
  • Hila Shalom,
  • Ifat Kaplan-Ashiri,
  • Sidney R. Cohen,
  • Yishay Feldman,
  • Iddo Pinkas,
  • Rakefet Ofek Almog,
  • Alla Zak and
  • Reshef Tenne

8 November 2021

Poly(L-lactic acid) (PLLA) is a biocompatible, biodegradable, and semi-crystalline polymer with numerous applications including food packaging, medical implants, stents, tissue engineering scaffolds, etc. Hydroxyapatite (HA) is the major component of...

  • Article
  • Open Access
10 Citations
4,185 Views
16 Pages

8 November 2021

Within the dry fibre placement (DFP) process, spread and pre-bindered carbon fibre rovings are automatically processed into dry textile preforms using 2-D and 3-D laying systems. The aim was to automate existing hand lay-up processes, reducing the co...

  • Article
  • Open Access
13 Citations
3,176 Views
25 Pages

8 November 2021

Inorganic biopolymer-based nanocomposites are useful for stabilizing lipases for enhanced catalytic performance and easy separation. Herein, we report the operational stability, regenerability, and thermodynamics studies of the ternary biogenic silic...

  • Article
  • Open Access
25 Citations
4,621 Views
17 Pages

Effect of Thermal Pretreatments on Phosphorylation of Corypha umbraculifera L. Stem Pith Starch: A Comparative Study Using Dry-Heat, Heat-Moisture and Autoclave Treatments

  • Basheer Aaliya,
  • Kappat Valiyapeediyekkal Sunooj,
  • Chillapalli Babu Sri Rajkumar,
  • Muhammed Navaf,
  • Plachikkattu Parambil Akhila,
  • Cherakkathodi Sudheesh,
  • Johnsy George and
  • Maximilian Lackner

8 November 2021

Talipot starch, a non-conventional starch source with a high yield (76%) from the stem pith of talipot palm (Corypha umbraculifera L.) was subjected to three different thermal treatments (dry-heat, heat-moisture and autoclave treatments) prior to pho...

  • Article
  • Open Access
8 Citations
3,179 Views
13 Pages

8 November 2021

There is an increased need for research on flexible transparent electrodes (FTEs) because they are critical to next-generation electronic devices, such as wearable computers. In this study, highly conductive transparent conducting electrodes, based o...

  • Article
  • Open Access
46 Citations
3,128 Views
18 Pages

Mechanical, Fracture, and Microstructural Assessment of Carbon-Fiber-Reinforced Geopolymer Composites Containing Na2O

  • Ahmad Rashedi,
  • Riadh Marzouki,
  • Ali Raza,
  • Nurul Fazita Mohammad Rawi and
  • J. Naveen

8 November 2021

For a sustainable environment, geopolymer (GPO) paste can be used in the construction industry instead of Portland cement. Nowadays, sustainable construction and high-efficacy composites are demanding. Therefore, in the present investigation, the mec...

  • Article
  • Open Access
5 Citations
2,983 Views
11 Pages

8 November 2021

A novel polysilicone flame retardant (PMDA) has been synthesized and covalently grafted onto the surfaces of graphene oxide (GO) to obtain GO-PMDA. The chemical structure and morphology of GO-PMDA was characterized and confirmed by the Fourier transf...

  • Review
  • Open Access
27 Citations
6,658 Views
28 Pages

8 November 2021

The limitations and challenges possessed in static 3D materials necessitated a new era of 4D shape-morphing constructs for wide applications in diverse fields of science. Shape-morphing behavior of 3D constructs over time is 4D design. Four-dimension...

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Polymers - ISSN 2073-4360