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Open Access Published since January 1, 2001

e-Polymers

ISSN: 1618-7229

Editor-in-chief: Seema Agarwal

Managing Editor: Krzysztof Dębniak

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e-Polymers is an open access, single-blind peer-reviewed scientific journal. The aim of e-Polymers is to publish, in an ongoing way, pure and applied polymer-science-related original research articles, reviews, and feature articles. It includes synthetic methodologies, characterization, and processing techniques for polymer materials. Reports on interdisciplinary polymer science and on applications of polymers in all areas are welcome.

In 2013 e-Polymers has been transferred from the e-Polymer Foundation to the scientific publisher De Gruyter. Prof. Seema Agarwal and Prof. Andreas Greiner took over as Editors-in-Chief. e-Polymers is dedicated to serve the polymer community and will continue publishing scientific contributions on highest possible standards.

The present Editor-in-Chief, Prof. Seema Agarwal, would like to thank the authors, the reviewers, the editorial staff, the advisory board, and the supporting organization that made e-Polymers a successful and sustainable scientific journal of the polymer community. The Editors of e-Polymers feel very much engaged to provide best publishing services at the highest possible level.

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Topical Issue: Recent advances in smart polymers and their composites: Fundamentals and applications
Guest Editors: Prof. Shaohua Jiang (Nanjing Forestry University, China) and Prof. Chunxin Ma (Hainan University, China)
Submission deadline: March 31, 2022

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Volume 23 Issue 1

January 2023

Research Articles

Open Access January 6, 2023

Chitosan nanocomposite film incorporating Nigella sativa oil, Azadirachta indica leaves’ extract, and silver nanoparticles

Afnan S. Batubara, Najla A. Obaid, Hanan M. Alharbi, Turki Mohammed Altalhi, Mohammed Abdullah Alasmari, Ammar Zuhair Alghamdi, Eram Sharmin

Article number: 20228083

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Abstract

Nanocomposite films have been prepared from chitosan, cinnamaldehyde, Nigella sativa or blackseed oil, and silver nanoparticles (NPs) biosynthesized in Azadirachta indica or neem leaves’ extract. The methodology involved simple blending of components through “green chemistry” route. The films obtained were soft and foldable. The morphology by scanning electron microscopy confirmed the inclusion of NPs in the films. Microbial penetration study demonstrated that the films offered good resistance to secondary bacterial infection. The antibacterial study against Staphylococcus aureus (ATCC 29213) and E. coli (ATCC 25922) indicated moderate antibacterial behavior of the films. The swelling behavior in water, phosphate buffer saline, and simulated wound fluid was found to be appropriate for use as wound dressings. The films were biodegradable in soil and showed good thermal stability up to 200°C.

Open Access January 6, 2023

Effect of Zr-doped CaCu₃Ti_3.95Zr_0.05O₁₂ ceramic on the microstructure, dielectric properties, and electric field distribution of the LDPE composites

Liang Gao, Jiaqi Zhang, Yang Cui, Xuan Wang

Article number: 20228100

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Abstract

In this article, CaCu 3 Ti 4 O 12 (CCTO) and Zr-doped CaCu 3 Ti 3.95 Zr 0.05 O 12 (CCTZO) particles were fabricated by the sol–gel combustion method, and then, CCTO/LDPE and CCTZO/LDPE composite films were prepared by the melt-blending and hot briquetting. The microstructures and dielectric properties of fillers and LDPE composites were investigated in detail. Results showed the lattice expansion of CCTZO caused by Zr doping reduced grain size, increased size uniformity, and remarkably reduced dielectric loss and conductivity. Compared with CCTO, small-size CCTZO enhanced dielectric constant of LDPE by 88.5% (∼3.45) due to enhanced interfacial polarization included by ultrahigh interfacial area (∼3.0 × 10 5 m 2 ), remaining a lower loss tangent (0.013) and conductivity (2.42 × 10 −13 S·cm −1 ) for the 10 vol% CCTZO/LDPE composite. Furthermore, finite element simulation proofed small-size and uniform CCTZO particles played a prominent role in homogenize electric field distribution in LDPE composite, which was beneficial for the use of these composites in the high voltage power cable field. Graphical abstract Small-size CaCu 3 Ti 3.95 Zr 0.05 O 12 enhanced dielectric constant of LDPE by 88.5% due to enhancing interfacial polarization included by ultrahigh interfacial area (∼3.0 × 10 5 m 2 ) and played a prominent role in homogenize electric field distribution in LDPE composite.

Open Access January 30, 2023

Effects of dry heating, acetylation, and acid pre-treatments on modification of potato starch with octenyl succinic anhydride (OSA)

Xiao Xian Lim, Musfirah Zulkurnain, Nor Shariffa Yussof, Uthumporn Utra

Article number: 20228090

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Abstract

Octenyl succinic anhydride (OSA) starch is widely used to stabilize emulsions. Nevertheless, the poor compatibility of starch with hydrophobic groups has restricted the performance of OSA modification. In this work, potato starch was pre-treated once or twice (dry heating, acetylation, and acid modification) prior to OSA modification. Pre-treatments increased the degree of substitution (DS), hydrophobicity, hydrophilicity, and decreased amylose content of OSA starches, with dual pre-treatments having greater effects. Among all pre-treatments, acid modification followed by dry heating resulted in the greatest OSA modification (DS: 0.015) and water-binding capacity (155%). Meanwhile, acid modification followed by acetylation produced OSA starch with the highest oil-binding capacity (290%). Scanning electron microscopy revealed that the granular deformation of dual pre-treated OSA starches was greater compared to single pre-treated and non-pre-treated OSA starches (O). Dual pre-treated OSA starches (ADO, 7%; ACO, 8%) had lower amylose contents than those of single pre-treated (AO: 12%, CO: 17%, DO: 21%) and O (36%). All the pre-treatments reduced the setback viscosity of OSA starch to a lower range (70–394 cP), simultaneously decreasing their retrograde tendency. This study suggested that dual pre-treatments could improve the efficiency of OSA modification and produce OSA starch with greater emulsifying potential. Graphical abstract Pre-treatments of dry heating, acetylation, and acid modification could enhance the emulsifying potential of OSA-modified starch.

Open Access February 3, 2023

Loading conditions impact on the compression fatigue behavior of filled styrene butadiene rubber

Liu Yang, Xi Dai, Xuan Zhao, Feng Liu, Yunhui Xu, Yanqiu Wang

Article number: 20228091

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Abstract

Fatigue failure, commonly encountered in rubber materials, is a critical issue. In this study, the compression fatigue tests of filled styrene-butadiene rubber (SBR) under different loading conditions were performed, applying cylindrical specimens. A stress–strain curve and modulus drop curves were generated by nine fatigue loading cases, covering different R ratios in the range of 0 < R < 1. The temperature variation in the process of compression fatigue was explored. Three different approaches were applied to investigate the fatigue life of the SBR (it is used twice hence abbreviation should be used) vulcanizates. These methods were validated in assessing the fatigue failure of the specimens. According to the experimental fatigue life, a fatigue life prediction model based on strain amplitude as the damage parameter was established. The results demonstrated that both R ratio and strain amplitude could affect the fatigue life. For all the loading cases, the fatigue life generally increases with the increase of R ratio. Under the compression loading condition, the narrower range of strain and the lower mean strain are beneficial to the fatigue resistance of rubbers, which also indicates a larger pre-load provides much higher fatigue resistance. During the fatigue loading, the temperature rises rapidly until it reaches a peak value, then drops slightly, and finally reaches a plateau.

Open Access February 6, 2023

Characterization and compatibility of bio-based PA56/PET

Shouyun Zhang

Article number: 20228082

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Abstract

The properties and compatibility of bio-based PA56 and polyethylene terephthalate (PET) polymers were studied in detail. The experimental results showed that when compared with PET, bio-based PA56 had better moisture absorption, softness, and dyeing characteristics. By calculating and analyzing the macromolecular structures of bio-based PA56 and PET, the difference in solubility was obtained as 4.18 Cal 0.5 ·cm 1.5 ·mol −1 . Thermodynamic analysis showed that the measured change in mixing enthalpy far exceeds the range of the compatible system when the proportion of bio-based PA56 exceeded 15%. When the content of bio-based PA56 in PET exceeded 20%, the glass transition temperature of the blends with different proportions all had double peaks and the eutectic phenomenon was not observed. Scanning electron microscopy was used to observe the cross-section morphology of bio-based PA56/PET blends before and after etching. We found that the interface between the two phases was clear and a “sea-island” dispersed structure was formed. The results of the analysis indicated that the compatibility of the bio-based PA56 and PET was not good.

Open Access February 13, 2023

Study on the aging of three typical rubber materials under high- and low-temperature cyclic environment

Sen Li, Yuchao Ke, Lingyun Xie, Zhenzhen Zhao, Xiaoyu Huang, Yichun Wang, Zixi Wang

Article number: 20228089

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Abstract

As the key components of sealing applications, rubber seals are subject to complicated environmental conditions during the service lifetime. In this study, the aging of three typical rubber materials, ethylene–propylene–diene monomer rubber, liquid silicone rubber, and fluorine rubber, was tested under different high- and low-temperature cycle aging environments. The experimental results confirm that the reciprocating temperature cycle causes a type of fatigue failure, which could result in an increase in the rubber compression set. In addition, a novel accelerated aging test method was proposed based on the dominant damage mechanism of rubber material caused by the temperature cycle treatments. Based on this method, the long-term aging test results of rubber samples under high- and low-temperature cycle conditions can be predicted. This method could significantly shorten the aging test time and reduce the test cost.

Open Access February 13, 2023

Numerical simulation and experimental research of electrospun polyacrylonitrile Taylor cone based on multiphysics coupling

Peng Chen, Qihong Zhou, Ge Chen, Yuntao Wang, Jinghu Lv

Article number: 20228106

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Abstract

In the electrospinning process, the Taylor cone, as the jet source, directly affects the jet movement and the quality of the fiber membrane. Therefore, to understand the formation mechanism of the Taylor cone intuitively, a multiphysics coupling model that comprehensively considers the gravitational field, electrostatic field, and fluid field is established, and numerical simulations are conducted in this study. First, we construct a level-set function and analyze the force of the droplet. The gravity, surface tension, and electric field force are coupled to the incompressible Navier–Stokes equation as volume forces, and the nonconservation of the droplet area is solved by approximating the Dirac function with a smooth function. Subsequently, the deformation of the electrospun polyacrylonitrile (PAN) Taylor cone under different process parameters is simulated. Finally, data obtained from the numerical simulation and the average diameter of the electrospun PAN fiber membrane are analyzed via gray relational analysis. The results show that the volume force is the key factor affecting the average diameter of the fiber membrane (the correlation is 0.934). This article provides an effective reference and basis for the analysis and control of the electrospinning process.

Open Access February 14, 2023

Experimental investigation of properties and aging behavior of pineapple and sisal leaf hybrid fiber-reinforced polymer composites

Booramurthy Deeban, Jaganathan Maniraj, Manickam Ramesh

Article number: 20228104

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Abstract

Using plant leaf fibers as reinforcements in thermo-plastic resins to produce affordable and lightweight composites is the subject of growing interest in research. Although these fibers have several advantages over synthetic fibers, mechanical characteristics of composites such as moisture absorption, poor wettability, and insufficient adhesion between the matrix and the fiber cause disadvantages. To overcome these issues, in this experimental study, two leaf-based plant fibers are hybridized and the composites have been fabricated by hand lay-up process. The composites were subjected to several tests. The results showed that the hybridization of sisal and pineapple leaf fiber (PALF) increases the mechanical strength of the composite by a maximum tensile strength of 3.59 kN, a little lower flexural strength than the individual fiber, and a noticeably higher compressive strength. The results further showed that the decreased affinities for moisture content and the aged composites seem to be prone to be hydrophilic. Findings of the experiments reveal that the hybridization of sisal and PALF has a significant influence on the properties of the composites. The scanning electron microscopy micrographs of fractured surfaces have been examined, and the findings have effectively been investigated.

Open Access February 16, 2023

Influence of temperature distribution on the foaming quality of foamed polypropylene composites

Xin Yang, Xiang-lin Pei, Jia-jie Xu, Zhi-peng Yang, Wei Gong, Jin-cheng Zhong

Article number: 20228093

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Abstract

The foamed polypropylene (PP) composites were prepared by injection molding process. Fourier’s law and software were used to calculate and simulate the internal temperature distribution of PP composites, respectively, and the influence of the temperature distribution on the foaming quality of foamed PP composites was further analyzed. The result showed that the calculative and simulated results of temperature distribution in different thermal transfer directions had great reproducibility. In different isothermal planes, the temperature from the nozzle to the dynamic mold gradually decreased. The isothermal plane with a temperature of 370.36 K had a better foaming quality, average diameter of cell and cell density were 28.46 µm and 3.7 × 10 10 cells·cm −3 , respectively. In different regions of the same isothermal plane, the temperature gradually decreased from the center to the edge. The foaming quality in the region (c) at a temperature of 335.86 K was ideal, and the average diameter of cell and the cell density were 26.5 µm and 2.39 × 10 10 cells·cm −3 , respectively. This work could provide prediction for improving the foaming quality of foamed polyolefin composites.

Open Access February 15, 2023

Enzyme-catalyzed synthesis of 4-methylcatechol oligomer and preliminary evaluations as stabilizing agent in polypropylene

Yanpeng Wang, Fan Jiang, Lei Zhang

Article number: 20230008

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Abstract

In the present work, 4-methylcatechol oligomer has been prepared by using enzyme-catalyzed polymerization in water and preliminary evaluations as stabilizing agent in polypropylene (PP) was performed. In comparison with intrinsic PP, the oxidation onset temperature of the 4-methylcatechol oligomer/PP composite increased by 66°C, and the oxidation induction time increased by 40 min. In addition, the mixing of a 4-methylcatechol oligomer with PP (i.e., in the formation of a 4-methylcatechol oligomer/PP composite) did significantly enhance the long-term stability of PP in a thermal oxidative environment. Moreover, the tensile strength of this composite did not significantly decrease after aging for 800 h in an air atmosphere at 120°C. These results show that the addition of a 4-methylcatechol oligomer will markedly delay the aging and degradation of PP materials, even under extreme conditions. Thus, an enzyme-catalyzed polymerization of phenol compounds may provide a new avenue toward the preparation of novel antioxidants.

Open Access February 22, 2023

Molecular dynamics simulation of the effect of the thermal and mechanical properties of addition liquid silicone rubber modified by carbon nanotubes with different radii

Lei Guo, Haiyun Xu, Nenghang Wu, Shuai Yuan, Lijun Zhou, Dongyang Wang, Lujia Wang

Article number: 20228105

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Abstract

For microscopic analysis of the effect of doping with carbon nanotubes (CNTs) of different radii on the thermal and mechanical properties of addition liquid silicone rubber (ALSR) composites, models of pure silicone rubber and silicone rubber composites containing CNTs of different radii were constructed based on a molecular dynamics approach using vinyl-capped polydimethylsiloxane (VPDMS) as the base polymer and polyhydroxymethylsiloxane (PHMS) as the cross-linker. The thermal and mechanical properties and microstructures of the different models were analyzed and compared. It was found that the doping of CNTs could change the thermomechanical properties of the composites, and the doping of CNTs with small radius had a more positive effect on the material, the thermal conductivity, glass transition temperature, and mechanical properties of the composites are improved. Due to the doping of CNTs, the free volume percentage and the mean square displacement of the composites are reduced. It is noteworthy that during the modeling and optimization process, there are molecular chains that pass through the large radius CNTs, and the structural properties of the composite CNTs themselves play a more critical role in the enhancement effect of the thermodynamic properties of the composites compared to the binding energy and free volume.

Open Access February 24, 2023

Incorporation of poly(3-acrylamidopropyl trimethylammonium chloride-co-acrylic acid) branches for good sizing properties and easy desizing from sized cotton warps

Chaohui Zhang, Wei Li, Zhenzhen Xu

Article number: 20228109

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Abstract

This study aimed to ascertain the influence of poly(3-acrylamidopropyl trimethylammonium chloride- co -acrylic acid) [P(ATC- co -AA)] on the adhesion, film properties, desizability of cornstarch, and reveal a suitable mole percentage of ATC units on the P(ATC- co -AA) for acquiring a new starch-based size [S- g -P(ATC- co -AA)]. A series of S- g -P(ATC- co -AA) samples were synthesized by the graft polymerization of acid-converted cornstarch with ATC and AA monomers. Their adhesion, film properties, and desizability were assessed. The results displayed that the P(ATC- co -AA) branches could significantly improve the adhesion to cotton fibers and diminish the film brittleness of starch. Under similar grafting ratio, the adhesion and desizability of S- g -P(ATC- co -AA) depended on the mole percentage of ATC units. Increasing the percentage favored the adhesion but disfavored the desizability. The percentage displayed a low effect on the film properties. S- g -P(ATC- co -AA) with a mole percentage of 57.7% presented good sizing properties and easy desizing, which had potential application in cotton warp sizing.

Open Access March 10, 2023

Effect of matrix composition on properties of polyamide 66/polyamide 6I-6T composites with high content of continuous glass fiber for optimizing surface performance

Jiaxiang Xie

Article number: 20228111

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Abstract

To optimize the surface performance of the composites of polyamide 66 and continuous glass fiber (50/50, weight ratio), poly(hexamethylene isoftalamide- co -terephthalamide) (PA6I-6T) was introduced. The composites were prepared by a twin-screw extruder, and the effect of PA6I-6T on the thermal and mechanical properties, as well as surface appearance was investigated. The results showed that the crystallization temperature and the melting point of the composites decreased with increasing the amount of PA6I-6T. The Jeziorny method proved that the presence of PA6I-6T did not change the nucleation mode and the crystal growth of PA66 in the hybrid matrix, and the Mo method revealed that the crystallization rate of PA66 decreased first and then increased with the increase of the PA6I-6T content. The reduction in the “floating fiber” on the surface of the composites was attributed to the decrease of the crystallization rate of PA66 in the presence of PA6I-6T. It was shown that the composites with smooth surface had a large melt flow index. Moreover, the composites with high content of PA6I-6T had low heat deformation temperatures. The mechanical properties of the composites did not change significantly with the increase of the PA6I-6T content. Scanning electron microscope (SEM) images revealed that glass fiber was evenly distributed in the matrix and strongly oriented parallel to the injection direction.

Open Access March 11, 2023

Preparation and properties of epoxy-modified thermosetting phenolic fiber

YaoWen Yin, MingLi Jiao, AnFei Liu, Hao Wang, Yang Liu, Ying Liu, Kai Yang, GenXing Zhu

Article number: 20228085

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Abstract

This article proposes the preparation and microwave thermal cured (MTC) epoxy-modified phenolic fibers for the first time. Epoxy-modified thermoplastic phenolic resin was first prepared in acidic condition using phenol, formaldehyde, and epichlorohydrin as the reactants, and then underwent additive reaction with formaldehyde to obtain epoxy-modified thermosetting phenolic resin, which was converted into nascent fibers through wet spinning. Finally, epoxy-modified phenolic fibers were obtained through different curing methods including solution cured, solution thermal cured, microwave cured, MTC, and was characterized by infrared spectroscopy, microscopic infrared imaging, nuclear magnetic resonance, thermogravimetric analysis, and scanning electron microscopy. The experiment results show that MTC epoxy-modified phenolic fibers have optimal mechanical property with ultimate elongation of 4% and breaking strength of 133 MPa. Graphical abstract

Open Access March 13, 2023

Thermal decomposition reaction kinetics and storage life prediction of polyacrylate pressure-sensitive adhesive

Bingjun Li, Yingzi Li, Zongwen Tong, Hongbin Yang, Sensen Du, Zhuozhen Zhang

Article number: 20220089

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Abstract

The thermal decomposition behavior of polyacrylate pressure-sensitive adhesive (PSA) at heating rates of 4, 6, 8, and 10 K·min −1 was measured by thermogravimetric analysis (TGA). The kinetic parameters for thermal decomposition reaction of the polyacrylate adhesive were obtained from TG profile by differential method and integral method (Kissinger, general integral, MacCallum–Tanner, Šatava–Šesták, Agrawal, and Flynn–Wall–Ozawa), the results show that the main decomposition stage of the polyacrylate adhesive starts at 301°C and its activation energy is 142.68 kJ·mol −1 , the pre exponential factor is 10 9.55 , the decomposition mechanism obeys Avrami–Erofeev equation and its decomposition kinetic equation can be expressed as: d α /d T = (10 9.55 / β )[(1 − α )/2][−ln(1 − α )] −1 exp(−1.7161 × 10 4 / T ). The storage life of PSA at 25°C was predicted to be about 19 years by isoconversional method.

Open Access April 1, 2023

Effect of different proportions of CNTs/Fe₃O₄ hybrid filler on the morphological, electrical and electromagnetic interference shielding properties of poly(lactic acid) nanocomposites

Bozhen Wu, Honghao Zhu, Yuhao Yang, Jiang Huang, Tong Liu, Tairong Kuang, Shaohua Jiang, Aleksander Hejna, Kunming Liu

Article number: 20230006

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Abstract

Due to the shortage of petroleum resources, poly(lactic acid) (PLA), a biodegradable polymer, has been widely considered as a replacement for traditional petroleum-based polymers. Therefore, multifunctional PLA composites have become increasingly popular. In this study, conductive carbon nanotubes (CNTs) and magnetic nano-Fe 3 O 4 fillers were melt-blended with PLA. The impact of CNTs and nano-Fe 3 O 4 composition on the electrical and electromagnetic interference (EMI) shielding properties of PLA nanocomposites was investigated in detail by adjusting the CNTs-to-nano-Fe 3 O 4 ratio. When the hybrid filler content was fixed at 10 wt%, the electrical conductivity results indicated that the addition of single CNTs could effectively improve the conductivity of the nanocomposites, while nano-Fe 3 O 4 contribution was hardly noted. A suitable ratio of electromagnetic hybrid fillers can yield excellent synergistic effects in EMI shielding properties. The nanocomposites containing CNTs and nano-Fe 3 O 4 in a 50:50 ratio exhibited excellent electrical conductivity (90.6 S·m −1 ) and EMI shielding effectiveness (EMI SE ∼ 40.5 dB). This is primarily because CNTs provide good electrical conductivity, but the addition of magnetic nano-Fe 3 O 4 provides additional interfacial polarization and eddy current losses caused by its dielectric and magnetic properties. These properties synergistically result in an impedance mismatch, dielectric loss, and polarization relaxation of the composite materials, improving the shielding properties against electromagnetic waves. Further, it was found that changing the ratio of electromagnetic hybrid fillers also affected electromagnetic wave absorption. When the ratio of CNT-to-nano-Fe 3 O 4 was 25:75, the nanocomposites had an EMI SE of 24.6 dB, and the absorptivity could reach the maximum (40.3%). Thus, this study provides a valuable reference for preparing multifunctional polymer nanocomposites by constructing electromagnetic hybrid filler networks.

Volume 18 (2018)

Volume 17 (2017)

Volume 16 (2016)

Volume 15 (2015)

Volume 14 (2014)

Volume 13 (2013)

Issue 1

Volume 2013

Issue 1

Volume 12 (2012)

Issue 1

Volume 11 (2011)

Issue 1

Volume 10 (2010)

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Volume 9 (2009)

Issue 1

Volume 8 (2008)

Issue 1

Volume 7 (2007)

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Volume 6 (2006)

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Volume 5 (2005)

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Volume 4 (2004)

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Volume 3 (2003)

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Volume 2 (2002)

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Volume 1 (2001)

Issue 1

5-year Impact Factor	2.364
Cite Score	3.2
Impact Factor	3.074
Journal Citation Indicator	0.49
SCImago Journal Rank	0.429
Source Normalized Impact per Paper	0.802

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Editorial

Editor-in-Chief
Seema Agarwal; University of Bayreuth, Germany

Associate Editor
Shaohua Jiang; Nanjing Forestry University, China

Editor
Jian Ji; Zhejiang University, China

Founding Editors
Hartwig Hoecker and Stanislaw Penczek

Editorial Advisory Board
Bin Ding, Donghua University, Shanghai, China
Felix Schacher; Friedrich-Schiller-University, Germany
Susanta Banerjee; Indian Institute of Technology, India
Prasad Shastri; University of Freiburg, Germany
Yasuhiko Iwasaki; Kansai University, Japan
Piming Ma; Jiangnan University, China
Stan Slomkowski; Polish Academy of Sciences, Poland
Tamer Uyar; Cornell University, USA
Anup Ghosh; Indian Institute of Technology, India
Eyal Zussman; Technion - Israel Institute of Technology, Israel

Language Editor
Gerry Wilson; the ōbex project

Editorial Contact
Dr. Krzysztof Dębniak
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epolymers.editorial@degruyter.com

Publisher
DE GRUYTER Poland
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(Deutsch)

Type: Journal
Language: English
Publisher: De Gruyter
First published: January 1, 2001
Publication Frequency: 1 Issue per Year
Audience: Researchers and practitioners interested in all fields of polymer science

e-Polymers

Chitosan nanocomposite film incorporating Nigella sativa oil, Azadirachta indica leaves’ extract, and silver nanoparticles

Abstract

Effect of Zr-doped CaCu3Ti3.95Zr0.05O12 ceramic on the microstructure, dielectric properties, and electric field distribution of the LDPE composites

Abstract

Effects of dry heating, acetylation, and acid pre-treatments on modification of potato starch with octenyl succinic anhydride (OSA)

Abstract

Loading conditions impact on the compression fatigue behavior of filled styrene butadiene rubber

Abstract

Characterization and compatibility of bio-based PA56/PET

Abstract

Study on the aging of three typical rubber materials under high- and low-temperature cyclic environment

Abstract

Numerical simulation and experimental research of electrospun polyacrylonitrile Taylor cone based on multiphysics coupling

Abstract

Experimental investigation of properties and aging behavior of pineapple and sisal leaf hybrid fiber-reinforced polymer composites

Abstract

Influence of temperature distribution on the foaming quality of foamed polypropylene composites

Abstract

Enzyme-catalyzed synthesis of 4-methylcatechol oligomer and preliminary evaluations as stabilizing agent in polypropylene

Abstract

Molecular dynamics simulation of the effect of the thermal and mechanical properties of addition liquid silicone rubber modified by carbon nanotubes with different radii

Abstract

Incorporation of poly(3-acrylamidopropyl trimethylammonium chloride-co-acrylic acid) branches for good sizing properties and easy desizing from sized cotton warps

Abstract

Effect of matrix composition on properties of polyamide 66/polyamide 6I-6T composites with high content of continuous glass fiber for optimizing surface performance

Abstract

Preparation and properties of epoxy-modified thermosetting phenolic fiber

Abstract

Thermal decomposition reaction kinetics and storage life prediction of polyacrylate pressure-sensitive adhesive

Abstract

Effect of different proportions of CNTs/Fe3O4 hybrid filler on the morphological, electrical and electromagnetic interference shielding properties of poly(lactic acid) nanocomposites

Abstract

Effect of Zr-doped CaCu₃Ti_3.95Zr_0.05O₁₂ ceramic on the microstructure, dielectric properties, and electric field distribution of the LDPE composites

Effect of different proportions of CNTs/Fe₃O₄ hybrid filler on the morphological, electrical and electromagnetic interference shielding properties of poly(lactic acid) nanocomposites