30 多年来，POLYMER ENGINEERING & SCIENCE 一直是该领域最受推崇的期刊之一，是聚合物科学和技术前沿论文作者的论坛。 PE&S 的重要性体现在其文章被引用的频率上，尤其是被其他出版物引用的频率——实际上每年数千次。世界各地的工程师、研究人员、技术人员和院士都在向 PE&S 寻求他们需要的宝贵信息。特刊由特邀客座编辑编撰。其中包含关于聚合物混合物、塑料力学和聚合物焊接等不同主题的专题讨论会。

POLYMER ENGINEERING & SCIENCE has been one of the most respected journals in the field of polymer science and technology for over 30 years. It serves as a vital platform for authors of cutting-edge papers in polymer science and technology, with articles being cited frequently, particularly by other publications—amounting to thousands of citations each year. Engineers, researchers, technicians, and scholars from around the world turn to POLYMER ENGINEERING & SCIENCE for the valuable information they need. Special issues are curated by invited guest editors and include thematic discussions on various topics such as polymer blends, plastic mechanics, and polymer welding.

POLYMER ENGINEERING & SCIENCE（聚合物工程与科学）是聚合物科学与技术领域最受尊敬的期刊之一，已有30多年历史。该期刊为聚合物科学和技术的前沿研究提供了一个重要的平台，发表的论文被广泛引用，尤其是被其他出版物引用的频率，每年达到数千次。来自全球的工程师、研究人员、技术人员和学者都在向POLYMER ENGINEERING & SCIENCE寻求宝贵的信息。特刊由特邀客座编辑编撰，涵盖聚合物混合物、塑料力学和聚合物焊接等多个主题的专题讨论。

Polymer Engineering and Science

Abstract Polylactic acid (PLA) is a new type of biodegradable material with good mechanical properties, and is widely used in many fields. However, as PLA is highly flammable, it is necessary to conduct flame‐retardant modification research on PLA. Phosphorus heterophilic flame retardants are low smoke, non‐toxic and have high flame‐retardant efficiency, and also have broad application prospects. In this study, a phosphazene flame retardant, 9,10‐dihydro‐9‐oxa‐10‐phosphazene‐10‐yl‐hydroxy‐phenol (abbreviated as DOPO‐PHBA), was synthesized. The PLA/ECE/DOPO‐PHBA flame‐retardant composites were prepared by adding DOPO‐PHBA and epoxy chain extender (ECE) into PLA. Thermal, mechanical, and flame‐retardant properties, as well as microscopic morphology of the PLA flame‐retardant composites were characterized and analyzed, and the flame‐retardant mechanism was discussed. Results show that when the flame‐retardant DOPO‐PHBA is added at 5 wt%, the PLA composites can reach the V‐0 level of combustion, and the corresponding LOI value is 30.0% at this time, and the LOI value increases from 22.5% to 33.6% with the increase of the flame‐retardant content. In addition, PLA composites still have good mechanical properties, and the cone heat, carbon residue and the thermal decomposition process shows that the flame‐retardant causes a two‐phase flame‐retardant mechanism on PLA with the gas and condensed phases acting in synergy. High flame retardancy is mainly attributed to free radical quenching, gas dilution, and the thermal barrier caused by the carbon layer. This work provides a simple and scalable method for the preparation of high‐performance flame‐retardant PLA materials.

Meng Pei

Ke Wei

Daohai Zhang

Shuhao Qin

Polymer Engineering &amp; Sci

Polylactic acid flame‐retardant composite preparation and investigation of flame‐retardant characteristics

Abstract Adhesives and sealants show fine rheology with good physical and mechanical properties as viscous pastes, a possible starting point for developing direct ink writing (DIW) 3D printing ink. However, many commercial adhesives and sealants take days or weeks to cure fully. DIW 3D‐printed parts made directly from these sealants are not designed for a scalable manufacturing process and high‐volume production. Moreover, most of these adhesives and sealants have volume shrinkage during cure. A systematic understanding of formulation methods and design principles for an elastomeric silicone DIW ink can overcome these issues. This study presents the cogent formulation development of a 3D printable thermoset elastomer silicone that gels and cures isotropically in minutes, reducing cycle time for rapid ink development with no shrinkage during cure. More specifically, we outline the principles of raw material selection of a formulation to achieve excellent rheology, printability, synchronized working, and gel time fitting requirements closer to scalable manufacturing. The reaction kinetics and their corresponding 3D‐printed structural properties are also described. Interest in future work is toward a rational DIW 3D printing ink material development protocol and use of machine learning (ML). Highlights Formulation method flexibility and design principle of DIW ink. Raw material selection principle to achieve optimal rheology for DIW printing. Ink gel kinetics for large‐scale DIW manufacturing. Hydrosilylation conversion over time at different ambient temperatures. Structural properties of DIW 3D printed parts.

G. M. Fazley Elahee

Xiang Cheng

Lihan Rong

Ming‐Wei Xu

Lucio Souza

Rigoberto C. Advincula

Joao Maia

On the cogent formulation of an elastomeric silicone ink material for direct ink write (<scp>DIW</scp>) <scp>3D</scp> printing

Recycling of engineering thermosets is extremely difficult for conventional techniques due to their crosslinked networks. In this study, we demonstrated a new recycling approach for anhydride‐cured engineering epoxy. After soaking the epoxy networks in alcohol solvent mixed with transesterification catalyst, both solvent and catalyst molecules diffused inside, broke the ester bonds on the chain backbone through bond exchange reactions, and eventually decomposed the networks. The ester covalent bonds would be reformed as evaporating the solvent, and the dissolved polymer solution was re‐polymerized into near‐identical networks. When compared with existing recycling approaches, the proposed one is advantageous for its low cost, zero pollution, low temperature (160°C), and ambient pressure during operation. Epoxy networks with different amount of anhydride cross‐linkers were synthesized, and the influences of solvent choice, network stoichiometry, and crosslinking density on the recycling rate were studied. Specifically, the dissolution rate of epoxy samples was evaluated by their weight loss in two types of alcohol solvents, and the re‐polymerization rate was evaluated by the increment of solution viscosity and network modulus. Thermomechanical properties of recycled epoxy were compared with those of native samples. Finally, the dissolution and re‐polymerization cycles were performed for multiple times to investigate the repeatability. POLYM. ENG. SCI., 59:E111–E119, 2019. © 2018 Society of Plastics Engineers

Xiaojuan Shi

Chaoqian Luo

Haibao Lu

Kai Yu

Primary recycling of anhydride‐cured engineering epoxy using alcohol solvent

Abstract Polymers have swiftly replaced conventional metallic materials in aviation due to their lightweight and easy processability. Usages of polymers are presently mostly limited to non‐critical components. Flight safety is paramount in aviation and overrides all other factors. The aviation industry is averse to the usage of polymeric materials in critical component applications owing to the nature of failure being catastrophic. The review has covered various polymeric component failures and their root cause reasons. To overcome the inherent weakness in polymers currently used, a strategy to mimic nature is being explored by researchers. Self‐healing polymers can overtake metals if coupled with safe fail technology. Such materials have additional advantages in terms of enhanced longevity and ultimate life cycle. This review critically analyzed various factors driving research and development of self‐healing material for aviation applications. Various extrinsic and intrinsic self‐healing materials have been reviewed in the present work. Composites with an extrinsic self‐healing mechanism possess good healability and strength and can potentially replace current materials. Further, candidate polymeric materials with intrinsic self‐healing capability for the aviation field are extensively reviewed. Various aviation‐grade polymers like epoxy, Poly(methyl methacrylate), polycarbonate, and elastomeric materials with possible chemistries of intrinsic healing like Diel‐Alder reaction, Shape memory assisted self‐healing and covalently adaptable networks have been critically examined. Authors believe that extrinsic self‐healing technology is mature enough for use in the secondary structure of aircraft. At the same time, present technologies of intrinsic materials are not mature enough for flight safety reasons in aircraft; however, they are candidate materials for UAVs. Fast‐growing aviation field, coupled with the entry of UAVs, calls for environmentally sustainable material support. Therefore, this review explores materials within the sphere of high mechanical properties coupled with a low environmental impact.

Sanjiv Kumar Pandey

Sunidhi Mishra

Sourav Ghosh

Rupesh Rohan

Pradip K. Maji

Self‐healing polymers for aviation applications and their impact on circular economy

Automotive interiors materials, like plasticized polyvinyl chloride (pPVC) synthetic leathers (SLs), require additives for improving their flame behavior. The preferred flame retardant (FR) used in pPVC is antimony trioxide (Sb 2 O 3 , ATO), though the use of antimony poses several issues, for both human health and the environment, related to its extraction, processing, and use. In order to investigate alternatives to ATO in high‐performance pPVC SLs, various commercial FRs have been selected and tested in a typical, highly plasticized formulation. These additives have been used either alone or combined to evaluate synergistic effects. Samples have been tested to assess mechanical properties, thermal stability, and flame resistance. Data have been compared with those of neat pPVC and a foil with 2 phr of ATO. Several FRs are effective in improving the flame response compared with neat pPVC, without compromising the other properties, in detail calcium hypophosphite and mixtures containing zinc hydroxystannate (ZHS). Finally, aluminum hydroxide and ZHS (ATH + ZHS) yields the cheaper among the alternatives here proposed, even though higher than ATO (+193%) whose price/performance ratio is difficult to overcome. POLYM. ENG. SCI., 59:2488–2497, 2019. © 2019 Society of Plastics Engineers

Giorgio Zattini

Sergio Ballardini

Tiziana Benelli

Laura Mazzocchetti

Loris Giorgini

Safer plasticized polyvinyl chloride synthetic leathers for the automotive industry: Evaluation of alternatives to antimony compounds as flame retardants

Abstract This study investigates the effect of silver coating on the environmental stress crack resistance (ESCR) of Lexan EXL9330 polycarbonate under exposure to anti‐corrosion oil and mechanical strain. Polycarbonates, known for their durability and versatility, are susceptible to environmental stress cracking (ESC) when exposed to aggressive chemicals under mechanical stress. In this research, eight groups of test specimens were evaluated, with variations including coated and uncoated surfaces, and exposure to anti‐corrosion oil under controlled strain conditions. The specimens were fabricated using Sabic EXL9330 resin, subjected to tensile testing, and analyzed for surface defects using optical microscopy and Fourier transform infrared (FTIR) spectroscopy. Results showed that anti‐corrosion oil significantly exacerbates ESC, leading to considerable surface defects such as crazes and pores, particularly in uncoated specimens under strain. In contrast, silver‐coated specimens demonstrated enhanced ESCR, with a notable reduction in surface defects and only a modest decrease in ductility (approximately 9.5%) compared to the control group. FTIR analysis confirmed that chemical composition remained unchanged, reinforcing the role of ESC in the observed material degradation. This study underscores the effectiveness of silver coating in improving the resistance of polycarbonate materials to environmental stress cracking, highlighting its potential for applications where chemical exposure and mechanical stress are prevalent. Highlights Silver coating improves environmental stress crack resistance (ESCR) in polycarbonate. Anti‐corrosion oil exposure significantly exacerbates stress cracking in polycarbonate. Coated specimens show reduced surface defects and minimal loss in ductility (9.5%). Uncoated specimens exposed to oil and strain exhibit severe crazes and pores. FTIR analysis confirms no chemical degradation in tested polycarbonate samples.

H. Abdullah Tasdemir

Efe Tinaztepe

Safa Unal

Environmental stress cracking of silver‐coated polycarbonate

镀银聚碳酸酯的环境应力开裂

Abstract In this study, various plasma treatment protocols were employed to modify white rice husk ash (WRHA) for enhanced compatibility as a reinforcing filler in natural rubber (NR) formulations. The treatments included argon (cleaning), oxygen (activation), and acetylene (polymerization) plasma, aiming to increase WRHA's specific surface area. In this sense, five rubber compounds based on a standard NR/silica tire tread formulation were developed and assessed for vulcanization kinetics and mechanical, dynamical, and tribological properties. Characterization of the modified filler indicated a notable decrease in surface free energy, improving its dispersion and interaction with the NR matrix. While most modifications did not significantly affect vulcanization parameters or mechanical properties, argon plasma‐treated WRHA hindered vulcanization and weakened the vulcanizates. However, all plasma treatments increased abrasion resistance and lowered tan δ values at 60°C and 100°C, indicating improved rolling resistance and reduced heat generation. Notably, WRHA treated with argon plasma followed by acetylene plasma polymerization exhibited the highest wet grip strength (~44%), along with reduced friction and wear (~14%). These findings suggest that plasma treatment, particularly the two‐step method, offers a promising approach for enhancing filler surface properties in rubber compounds, leading to improved product durability. Highlights White rice husk ash (WRHA) was successfully modified by plasma treatment. Argon treatment followed by acetylene plasma polymerization was the most effective approach. The incorporation of plasma‐treated WRHA resulted in lower wear track compounds. Low rolling resistance and heat generation were achieved using plasma‐treated WRHA. Plasma treatment emerges as an alternative to chemical rubber‐filler compatibilization.

Suélen Moresco

Mariusz Siciński

Tomasz Gozdek

Marcelo Giovanela

Larissa N. Carli

Janaina S. Crespo

Dariusz M. Bieliński

Plasma treatment of rice husk ash for application in tire retread compounds based on natural rubber

基于天然橡胶的轮胎翻新复合材料中稻壳灰等离子体处理的应用

Abstract Compatibility of epoxy extrusion and injection molding was used to create a series of polyamide6 (PA6)/ copolyester elastomer (CoPe)/nano‐silica (nS) and graphene nanoplatelets (nG) composites. The impact of surface‐modified nanofillers and loading on the composites' physical and mechanical properties were investigated. As a consequence, PA6/CoPe blend with silane‐treated nS and nG composites had a slight drop in elongation but a significant gain in strength and modulus than PA6/CoPe blend. The interlaminar shear strength of the nG‐filled PA6/CoPe blend was increased by up to 33.5%, a maximum of 37.55 MPa, with a 1.5 wt% nG loading. With the 1.5 wt% nG loading on the blend surface, the ep resin compatibilizer assisted in interfacial bonding between the matrix and nanoparticles. The impact strength of the PA6/CoPe blend was found to be greater due to the existence of a tougher PA6 matrix, which was subsequently increased by the addition of nS filler reinforcement in the PA6/CoPe/nS composite. The addition of 1.5 wt% of nG in PA6/CoPe blend improved the tensile strength and elastic modulus by 15.8% and 15.1% compared to PA6/CoPe blend, respectively. Scanning electron microscopic studies revealed that the composite had a continuous PA6 phase and a dispersed CoPe phase. The nS and nG particles were embedded in the PA6/CoPe blend exclusively at 1.5 wt% loading. Microstructure analysis reveals a strong contact between the silane‐treated nS and nG and the polar PA molecules, and it may be responsible for the increased mechanical properties. Highlights 1.5 wt% nanoplatelets (nG) boosted tensile strength by 15.8% in polyamide6/copolyester elastomer blend. nG addition increased elastic modulus by 15.1% in the composite. Nano‐silica reinforcement enhanced impact strength with tough polyamide6 matrix. Silane‐treated nano‐silica and nG improved mechanical properties via strong bonds. Slight reduction in elongation observed with nanofiller addition.

S. Srinivas

G. S. Ananthapadmanabha

B. Suresha

Rajini Nagarajan

Faruq Mohammad

Kumar Krishnan

M. P. Indira Devi

Shafiq Ahmad

Experimental studies on the physical and mechanical properties of modified silica/graphene reinforced <scp>polyamide6</scp>/<scp>copolyester elastomer</scp> blend nanocomposites

改性二氧化硅/石墨烯增强聚酰胺6/共聚酯弹性体共混纳米复合材料的物理力学性能实验研究

Abstract Increasing rubber's friction on slippery surfaces provides protection against falls; however, surface‐textured composites, despite their potential, remain susceptible to wear. To address this issue, part of our team previously patented a surface‐textured composite made from thermoplastic polymers and microfibers. This study investigates the impact of manufacturing processes and 2D filler, which are known for their hydrophobicity and large surface area. It enhances our patented composite by integrating 2D graphene nanoplatelets (GNP), hexagonal boron nitride (hBN), and fillers like styrene‐butadiene‐styrene (SEBS), and silica, while comparing the properties of composites fabricated via injection molding (IM) and fused filament fabrication (FFF). The results demonstrate that 2D fillers enhance both abrasion resistance and ice friction, while FFF‐fabricated composites consistently exhibit superior properties across all compositions. Notably, hBN‐reinforced samples exhibited hierarchical surface texturing, leading to enhanced abrasion resistance (FFF: 146.63% ± 3.39%; IM: 133.83% ± 6.8%; p = 0.036), and effective ice traction (FFF: 0.58 ± 0.04; IM: 0.54 ± 0.06; p = 0.043). These outperformed ice‐traction properties of all other FFF‐fabricated composites, including a previously patented composite (0.52 ± 0.05) as well as composites with GNP (0.53 ± 0.02), SEBS (0.42 ± 0.05), and hBN + SEBS (0.45 ± 0.02). Additionally, the patented composite produced via FFF exhibited moderate oil traction (0.121 ± 0.001), outperforming others. This study highlights the potential of FFF and 2D fillers to enhance traction and durability in composites. Highlights Surface‐textured composite introduced via additive manufacturing. Abrasion resistance and friction analysis on icy and oily conditions. Reveals the potential for new composite to improve traction and longevity. Highlights the importance of controlled fiber distribution and orientation.

Sabrina Islam

Kurt Beschorner

Z. Shaghayegh Bagheri

Enhancing friction with additively manufactured surface‐textured polymer composites

通过增材制造表面纹理聚合物复合材料增强摩擦

Abstract In this study, different polyvinyl alcohol (PVA)/methylcellulose/WO 3 nanocomposites with composition of xPVA‐(100‐x) Methylcellulose (MC)‐2WO 3 (where x = 100, 80, 60, 40, 20, and 0 wt%) were prepared successfully by solution casting technique. WO 3 nanoparticles were introduced with 2 wt% to enhance the dielectric performance of the PVA/MC blend. The effect of changing PVA/MC weight ratios inside the nanocomposites on the structural, optical, and dielectric properties were studied by X‐ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), UV–VIS, and dielectric relaxation spectroscopy. The intensity of the PVA peak was altered randomly with varying MC ratios in the nanocomposites, which indicated disruption of the crystalline phase of PVA. Among nanocomposites, 20PVA‐80MC‐2WO 3 showed the highest electrical conductivity, highest dielectric constant, longest relaxation time, and the lowest optical energy band gap due to the increased amorphous phase and disorders. In contrast, 60PVA‐40MC‐2WO 3 exhibits the lowest dielectric constant and lowest conductivity, because of its high crystallinity. The decrease in the real part of impedance ( Z ′) value was seen in samples containing both PVA and MC polymers compared with that containing one polymer species, which attributed to the rise in the proportion of amorphous regions, leading to increased mobility of the polymer chains. Nyquist plots of nanocomposites showed angled spike and semicircle combinations, which are the typical characteristics of ionic conducting materials. Our results show that nanocomposites' PVA/MC ratio may be adjusted for many applications like energy storage, radiofrequency, and optoelectronics.

Eman Aldosari

M. M. Atta

A. M. A. Henaish

E. O. Taha

Ilya A. Weinstein

Qinfang Zhang

Modulating structural, dielectrical and optical properties of <scp>PVA</scp>/methylcellulose/<scp>WO<sub>3</sub></scp> nanocomposites for energy storage and optoelectronics applications

调制<scp>PVA</scp>/甲基纤维素/<scp>WO<sub>3</sub></scp>纳米复合材料的结构、介电和光学性能以用于储能和光电子应用

acBWQ6	Polymer Engineering & Sci
Journal Impact	3.36
mbqgSu	POLYMER SCIENCE(Q2)
xGGr6y	SCI Q2中科院 4 区

ISSN	0032-3888, 1548-2634
h-index	123
hQoIdU	工程技术(4区)工程技术工程化工(3区)工程技术高分子科学(3区)

u9zg3I	材料科学复合材料化学物理有机化学工程类核磁共振聚合物量子力学热力学生物化学工程冶金高分子化学数学计算机科学地质学共聚物光学纳米技术
+5d/bs	e+/GRg: John Wiley and Sons Inc，uzYam8: Monthly，dxwaWB: journal，8x2mMQ: TY4X7V
ak9yM6	A7IHrH: 1961，sQJ/D8: 97.37%，sE9og+:18.80%， wzlKC/: 8.71%
JrpmBe	网友分享经验：平均3.7个月
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Polymer Engineering and Science

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Polylactic acid flame‐retardant composite preparation and investigation of flame‐retardant characteristics

On the cogent formulation of an elastomeric silicone ink material for direct ink write (DIW) 3D printing

Primary recycling of anhydride‐cured engineering epoxy using alcohol solvent

Self‐healing polymers for aviation applications and their impact on circular economy

Safer plasticized polyvinyl chloride synthetic leathers for the automotive industry: Evaluation of alternatives to antimony compounds as flame retardants

Environmental stress cracking of silver‐coated polycarbonate

Plasma treatment of rice husk ash for application in tire retread compounds based on natural rubber

Experimental studies on the physical and mechanical properties of modified silica/graphene reinforced polyamide6/copolyester elastomer blend nanocomposites

Enhancing friction with additively manufactured surface‐textured polymer composites

Modulating structural, dielectrical and optical properties of PVA/methylcellulose/WO₃ nanocomposites for energy storage and optoelectronics applications

Polymer Engineering and Science

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Polylactic acid flame‐retardant composite preparation and investigation of flame‐retardant characteristics

On the cogent formulation of an elastomeric silicone ink material for direct ink write (DIW) 3D printing

Primary recycling of anhydride‐cured engineering epoxy using alcohol solvent

Self‐healing polymers for aviation applications and their impact on circular economy

Safer plasticized polyvinyl chloride synthetic leathers for the automotive industry: Evaluation of alternatives to antimony compounds as flame retardants

Environmental stress cracking of silver‐coated polycarbonate

Plasma treatment of rice husk ash for application in tire retread compounds based on natural rubber

Experimental studies on the physical and mechanical properties of modified silica/graphene reinforced polyamide6/copolyester elastomer blend nanocomposites

Enhancing friction with additively manufactured surface‐textured polymer composites

Modulating structural, dielectrical and optical properties of PVA/methylcellulose/WO3 nanocomposites for energy storage and optoelectronics applications

Modulating structural, dielectrical and optical properties of PVA/methylcellulose/WO₃ nanocomposites for energy storage and optoelectronics applications