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Polymers, Volume 14, Issue 24

December-2 2022 - 234 articles

Cover Story: The variable noise spectrum for many practical application scenarios requires adjustable sound absorbers, especially in low-frequency ranges. In this study, the adjustable acoustic metamaterial of multiple parallel-connection Helmholtz resonators with tunable apertures is prepared through the low-force stereolithography of photopolymer resin, and its absorption performance can be altered directly without the refabrication of new sound absorbers. The achievement of excellent sound absorption performance for various target frequency ranges is favorable for promoting the prevention and control of noise pollution. View this paper
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Articles (234)

  • Article
  • Open Access
7 Citations
3,706 Views
11 Pages

Mold and Stain Resistance of Bamboo Treated with Pyraclostrobin Fungicide

  • Jingpeng Zhang,
  • Mingliang Jiang,
  • Bin Zhang,
  • Yuzhang Wu and
  • Xingxia Ma

17 December 2022

Bamboo is rich in starch and sugars and can be infected by mold and stain fungi, degrading its performance, shortening its service life, and reducing its utilization value. It is crucial to investigate how to protect bamboo against mold and stain fun...

  • Article
  • Open Access
8 Citations
2,354 Views
16 Pages

Fabrication of Superhydrophobic and Light-Absorbing Polyester Fabric Based on Caffeic Acid

  • Xue Lei,
  • Ailing Xie,
  • Xinya Yuan,
  • Xueni Hou,
  • Jiaosheng Lu,
  • Ping Liu,
  • Zhonglin Xiang,
  • Guoqiang Chen and
  • Tieling Xing

17 December 2022

Caffeic acid (CA) was treated on the surface of polyester fabric (PET), and Fe2+ was used as an intermediate to form chelates with CA to increase the roughness of the polyester surface. With the addition of n-octadecyl mercaptan (SH), the mercapto gr...

  • Article
  • Open Access
1 Citations
2,490 Views
15 Pages

Effect of High-Pressure Treatments on the Properties of Food Packaging Materials with or without Antimicrobials

  • Belén Soriano Cuadrado,
  • Antonio Peñas Sanjuan,
  • Javier Rodríguez López,
  • Irene Delgado Blanca,
  • Maria José Grande,
  • Rosario Lucas,
  • Antonio Galvez and
  • Rubén Pérez Pulido

17 December 2022

The aim of this research work was the comparative study of the different properties of interest in the case of plastic materials for food use before and after being subjected to treatment by high hydrostatic pressure (HHP) as well as the impact of ad...

  • Review
  • Open Access
21 Citations
3,529 Views
14 Pages

Progress of Polymer Application in Coated Proppant and Ultra-Low Density Proppant

  • Tao Chen,
  • Jie Gao,
  • Yuan Zhao,
  • Tian Liang,
  • Guowen Hu and
  • Xiaobing Han

17 December 2022

Design, synthesis and application of low-density proppant (LDP) are of great significance for efficient and clean exploitation of low permeability oil and gas. On the basis of a brief introduction of hydraulic fracturing and the application of tradit...

  • Feature Paper
  • Article
  • Open Access
11 Citations
2,437 Views
19 Pages

Thermomechanical Properties and Biodegradation Behavior of Itaconic Anhydride-Grafted PLA/Pecan Nutshell Biocomposites

  • Sarai Agustin-Salazar,
  • Marco Ricciulli,
  • Veronica Ambrogi,
  • Pierfrancesco Cerruti and
  • Gennaro Scarinzi

17 December 2022

The use of lignocellulose-rich biowaste as reinforcing filler in biodegradable polymers represents a sustainable option to obtain cost-effective bio-based materials to be used for several applications. In addition, the scarce polymer–biofiller...

  • Feature Paper
  • Article
  • Open Access
8 Citations
2,616 Views
23 Pages

17 December 2022

This paper presents a finite element (FE) analysis of an anchor for prestressing of sand-coated carbon-fiber-reinforced polymer (CFRP) tendons during the manufacturing of precast elements. This anchorage is temporary and removed after 2 to 7 days, wh...

  • Article
  • Open Access
3 Citations
2,909 Views
15 Pages

Properties of Luffa Cylindrica Mats Reinforced Castor Oil-Based Polyurethane Composite as an Alternative for Oriented Strand Board

  • Anna Carolina Cerqueira Neves,
  • Felipe Perissé Duarte Lopes,
  • Noan Tonini Simonassi,
  • Carlos Maurício Fontes Vieira and
  • Sergio Neves Monteiro

17 December 2022

The main objective of this work was to produce and characterize a novel ecofriendly castor oil-based polyurethane (COPU) matrix composite reinforced by Luffa cylindrica mats, luffa for short, to be used as panels, as an alternative to oriented strand...

  • Article
  • Open Access
14 Citations
5,577 Views
18 Pages

Stiffness-Controlled Hydrogels for 3D Cell Culture Models

  • Arto Merivaara,
  • Elle Koivunotko,
  • Kalle Manninen,
  • Tuomas Kaseva,
  • Julia Monola,
  • Eero Salli,
  • Raili Koivuniemi,
  • Sauli Savolainen,
  • Sami Valkonen and
  • Marjo Yliperttula

17 December 2022

Nanofibrillated cellulose (NFC) hydrogel is a versatile biomaterial suitable, for example, for three-dimensional (3D) cell spheroid culturing, drug delivery, and wound treatment. By freeze-drying NFC hydrogel, highly porous NFC structures can be manu...

  • Article
  • Open Access
26 Citations
4,679 Views
12 Pages

Polyhydroxyalkanoate Production from Fruit and Vegetable Waste Processing

  • Paolo Costa,
  • Marina Basaglia,
  • Sergio Casella and
  • Lorenzo Favaro

16 December 2022

Traditional plastics represent a tremendous threat to the environment because of increases in polluting manufacturing as well as their very extended degradation time. Polyhydroxyalkanoates (PHAs) are polymers with similar performance to plastic but a...

  • Article
  • Open Access
6 Citations
3,432 Views
15 Pages

The Injection Molding of Biodegradable Polydioxanone—A Study of the Dependence of the Structural and Mechanical Properties on Thermal Processing Conditions

  • Jakub Erben,
  • Katerina Blatonova,
  • Tomas Kalous,
  • Lukas Capek,
  • Lubos Behalek,
  • Martin Boruvka and
  • Jiri Chvojka

16 December 2022

Recent years have observed a significant increase in the use of degradable materials in medicine due to their minimal impact on the patient and broad range of applicability. The biodegradable polymer Polydioxanone (PDO) provides a good example of the...

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Polymers - ISSN 2073-4360