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Polymers, Volume 12, Issue 12

December 2020 - 308 articles

Cover Story: Heterografted copolymers varied by ratio of PEG/PCL side chains are proposed as carriers designed for the delivery of substances applicable in cosmetology that include dermatological problems. The self-assembling copolymers formed micelles with the ability to encapsulate cosmetic substances, e.g., arbutin, vitamin C, 4-n-butylresorcinol. The nature of the loaded substance interacting with polymer matrix is crucial in kinetic release profiles. The permeation tests of the active substance released through a membrane acting as human skin in Franz chambers indicated a moderate diffusion into solution and remained in the membrane, which is satisfactory for most cosmetic applications. View this paper.
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Articles (308)

  • Article
  • Open Access
10 Citations
3,385 Views
13 Pages

21 December 2020

We present a detailed analysis of the interfacial chain structure and dynamics of confined polymer melt systems under shear over a wide range of flow strengths using atomistic nonequilibrium molecular dynamics simulations, paying particular attention...

  • Article
  • Open Access
7 Citations
3,264 Views
18 Pages

21 December 2020

Thin-walled carbon fiber reinforced plastic (CFRP) shells are increasingly used in aerospace industry. Such shells are prone to the loss of stability under compressive loads. Furthermore, the instability onset of monocoque shells exhibits a pronounce...

  • Article
  • Open Access
20 Citations
4,116 Views
18 Pages

Study on the Anti-Biodegradation Property of Tunicate Cellulose

  • Yanan Cheng,
  • Ajoy Kanti Mondal,
  • Shuai Wu,
  • Dezhong Xu,
  • Dengwen Ning,
  • Yonghao Ni and
  • Fang Huang

21 December 2020

Tunicate is a kind of marine animal, and its outer sheath consists of almost pure Iβ crystalline cellulose. Due to its high aspect ratio, tunicate cellulose has excellent physical properties. It draws extensive attention in the construction of r...

  • Article
  • Open Access
1 Citations
2,710 Views
8 Pages

21 December 2020

Based on the piezoresistive effect, the piezoresistive constitutive relation of a carbon fiber mat under orthogonal strain was deduced. Considering the Poisson effect, the piezoresistive responses and measurement of the sensitivity factor of a polyme...

  • Article
  • Open Access
12 Citations
3,602 Views
15 Pages

Calcined Co(II)-Triethylenetetramine, Co(II)- Polyaniline-Thiourea as the Cathode Catalyst of Proton Exchanged Membrane Fuel Cell

  • Wen-Yao Huang,
  • Li-Cheng Jheng,
  • Tar-Hwa Hsieh,
  • Ko-Shan Ho,
  • Yen-Zen Wang,
  • Yi-Jhun Gao and
  • Po-Hao Tseng

21 December 2020

Triethylenetetramine (TETA) and thiourea complexed Cobalt(II) (Co(II)) ions are used as cathode catalysts for proton exchanged membrane fuel cells (PEMFCs) under the protection of polyaniline (PANI) which can become a conducting medium after calcinat...

  • Article
  • Open Access
16 Citations
3,335 Views
15 Pages

21 December 2020

Graphene nanoplatelets (GNPs) are of particular interest to the field of nano-reinforced composites since they possess superior mechanical, fracture, thermal, and barrier properties. Due to their geometrical characteristics, high aspect ratio (AR)/sp...

  • Article
  • Open Access
5 Citations
2,268 Views
12 Pages

21 December 2020

Polymer optical fibers (POFs) were used for preparing side-emitting polymer optical fibers (SPOFs), which were processed with acetone and n-hexane combined in selected proportions by a solvent treatment method. The effects of the volume ratio of acet...

  • Article
  • Open Access
5 Citations
2,524 Views
13 Pages

Effect of Microcapsule Content on Diels-Alder Room Temperature Self-Healing Thermosets

  • Sadella C. Santos,
  • John J. La Scala and
  • Giuseppe R. Palmese

21 December 2020

A furan functionalized epoxy-amine thermoset with an embedded microcapsule healing system that utilizes reversible Diels-Alder healing chemistry was used to investigate the influence of microcapsule loading on healing efficiency. A urea-formaldehyde...

  • Article
  • Open Access
24 Citations
4,051 Views
10 Pages

21 December 2020

The administration of specific antigens is being explored as a mean to re-establish immunological tolerance, namely in the context of multiple sclerosis (MS). PLP139-151 is a peptide of the myelin’s most abundant protein, proteolipid protein (P...

  • Article
  • Open Access
24 Citations
4,215 Views
14 Pages

Chitosan–Hydroxyapatite Composite Layers Generated in Radio Frequency Magnetron Sputtering Discharge: From Plasma to Structural and Morphological Analysis of Layers

  • Dragana Biliana Dreghici,
  • Bogdan Butoi,
  • Daniela Predoi,
  • Simona Liliana Iconaru,
  • Ovidiu Stoican and
  • Andreea Groza

21 December 2020

Chitosan–hydroxyapatite composite layers were deposited on Si substrates in radio frequency magnetron sputtering discharges. The plasma parameters calculated from the current–voltage radio frequency-compensated Langmuir probe characterist...

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Polymers - ISSN 2073-4360