Journal of Applied Polymer Science最新文献

RETRACTION: Effect of Surface Modified WO3 Nanoparticle on the Epoxy Coatings for the Adhesive and Anticorrosion Properties of Mild Steel

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-25 DOI: 10.1002/app.56537

{"title":"RETRACTION: Effect of Surface Modified WO3 Nanoparticle on the Epoxy Coatings for the Adhesive and Anticorrosion Properties of Mild Steel","authors":"","doi":"10.1002/app.56537","DOIUrl":"https://doi.org/10.1002/app.56537","url":null,"abstract":"RETRACTION: J. R. Xavier, “ Effect of Surface Modified WO3 Nanoparticle on the Epoxy Coatings for the Adhesive and Anticorrosion Properties of Mild Steel,” Journal of Applied Polymer Science 137, no. 5 (2020): e48323, https://doi.org/10.1002/app.48323.The above article, published online on 05 August 2019 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor-in-Chief, Stefan Spiegel; and Wiley Periodicals LLC. The retraction has been agreed following an investigation into concerns raised by a third party, which uncovered evidence of fabrication in the SEM image shown in Figure 10. Furthermore, the image and the associated spectra in Figure 10 was found duplicated in three other articles by the same author. In each of the articles, the same images represent different materials and some of the EDX spectra peaks have been relabeled to represent different elements. The spectra in Figure 1 were also found duplicated in two articles by the same author. The spectra represent different materials in each case. Finally, Figure 7 was found duplicated in another article by the same author, where it was also described as the analysis of different materials. The author was unable to provide any supporting data or an acceptable explanation for the duplications. The editors consider the results and conclusion of this article to be invalid. The author disagrees with the retraction.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.56537","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

RETRACTION: Effects of Newly Synthesized Nanocomposites Containing Multifunctionalized Silicon Nitride Nanoparticles: A Study on Structural, Thermal, Electrochemical, Mechanical, Morphological, Water Repellent Properties for Aerospace Components

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-24 DOI: 10.1002/app.56539

{"title":"RETRACTION: Effects of Newly Synthesized Nanocomposites Containing Multifunctionalized Silicon Nitride Nanoparticles: A Study on Structural, Thermal, Electrochemical, Mechanical, Morphological, Water Repellent Properties for Aerospace Components","authors":"","doi":"10.1002/app.56539","DOIUrl":"https://doi.org/10.1002/app.56539","url":null,"abstract":"\u0000 \u0000 RETRACTION: Joseph Raj Xavier, “ Effects of Newly Synthesized Nanocomposites Containing Multifunctionalized Silicon Nitride Nanoparticles: A Study on Structural, Thermal, Electrochemical, Mechanical, Morphological, Water Repellent Properties for Aerospace Components,” Journal of Applied Polymer Science 139, no. 26 (2022): e52446, https://doi.org/10.1002/app.52446.\u0000 The above article, published online on 21 April 2022 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the journal Editor-in-Chief, Stefan Spiegel; and Wiley Periodicals LLC. The retraction has been agreed following an investigation into concerns raised by a third party, which uncovered evidence of image manipulation in Figure 12g. Additionally, Figure 14b and 14c were found to be duplicate images, with one being an inverted version of the other. The author was unable to provide any supporting data or an acceptable explanation for these issues. Due to the nature of these concerns, and several other inconsistencies, the editors have lost confidence in the results and conclusions of this article. The author was informed about the retraction.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.56539","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis and characterization of anionic polymerization initiator from functional styrene derivative

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-22 DOI: 10.1002/app.56409

Piotr Babula, Radosław Kozak, Ewa Schab-Balcerzak

{"title":"Synthesis and characterization of anionic polymerization initiator from functional styrene derivative","authors":"Piotr Babula, Radosław Kozak, Ewa Schab-Balcerzak","doi":"10.1002/app.56409","DOIUrl":"https://doi.org/10.1002/app.56409","url":null,"abstract":"Understanding the mechanisms underlying living anionic polymerization is essential for advancing efficient and sustainable elastomer production technologies. This study investigates the introduction of a functional styrene derivative at the initiation of a styrene-butadiene polymer chain with high efficiency. Butyllithium is the most widely used initiator in anionic polymerization due to its high reactivity, availability, and ability to provide precise control over polymer molecular weight and structure. Modified initiators, formed from N-(dimethyl(vinylbenzyl)silyl)-N,N-bis(trimethylsilyl)amine and isomers of butyllithium (n-, sec-, and tert-), increase initiation efficiency and reduce oligomer formation. The developed procedure demonstrates the effective use of a functional styrene derivative as an alpha chain-end modifier. The formation of a unimeric structure improves from 15.6% to 88.3%, significantly increasing the yield of alpha functionalization. Direct transfer of the functional styrene derivative to the alpha position expands the potential for functionalization in anionic polymerization. The activity of the preinitiators is evaluated in styrene-butadiene anionic copolymerization. The functional initiators are terminated and characterized by high-performance liquid chromatography coupled with gel permeation chromatography to assess the degree of polymerization. This method enables quantitative analysis of oligomer formation. The synthesized copolymers are further characterized by their molar masses, microstructure, Mooney viscosity, and glass transition temperature.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Poly(lactic acid) and copper-modified montmorillonite nanocomposite films for antimicrobial food packaging

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-09 DOI: 10.1002/app.56406

Julio E. Bruna, Cristina Muñoz-Shugulí, Lisette Espinoza, Andrea Herrera, Francisco J. Rodríguez-Mercadoz, Maria Angelica Ganga, Abel Guarda, Ma. José Galotto

{"title":"Poly(lactic acid) and copper-modified montmorillonite nanocomposite films for antimicrobial food packaging","authors":"Julio E. Bruna, Cristina Muñoz-Shugulí, Lisette Espinoza, Andrea Herrera, Francisco J. Rodríguez-Mercadoz, Maria Angelica Ganga, Abel Guarda, Ma. José Galotto","doi":"10.1002/app.56406","DOIUrl":"https://doi.org/10.1002/app.56406","url":null,"abstract":"Polymer-based nanocomposites loaded with metal nanoparticles are an interesting alternative for the development of antimicrobial food packaging. However, affinity and dispersion of metal nanoparticles could be improved using nanoclays. Therefore, nanocomposite films based on poly(lactic acid) (PLA) and copper modified-montmorillonite were developed by melt-extrusion technique. Copper-modified montmorillonite at different valence states (MtCu2+ and MtCu0) were prepared. The nanocomposites were evaluated by means of their structural, optical, thermal and antimicrobial properties. Results showed that both nanoclays were intercalated in PLA but MtCu2+ was better dispersed. Therefore, color change ΔE < 2, higher thermal stability and higher elongation at break was evidenced for MtCu2+/PLA in comparison to pure PLA. Contrary, MtCu0 showed the displacement of Cu0 nanoparticles to the polymer matrix. These free nanoparticles were agglomerated and they leaded on a ΔE > 9 for MtCu0/PLA nanocomposites compared with PLA. Moreover, Cu0 nanoparticles in the matrix accelerated the thermal degradation and decreased the ductility of nanocomposites. On the other hand, both nanocomposites were able to reduce over 2 log10 of Escherichia coli growth and MtCu2+/PLA showed a higher antimicrobial activity against Listeria innocua. These results showed the potential of nanocomposite films based on PLA and copper-modified montmorillonite for antimicrobial food packaging applications.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Facile fabrication of dasatinib laden multifunctional polymeric micelles: Evaluation of anti-proliferative and apoptotic activities in human cancer cells

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-08 DOI: 10.1002/app.56376

Soumya V. Menon, Sanketsinh Thakore, Ashish Verma, Surbhi Dhadda, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Muruganantham Bharathi, Palanisamy Arulselvan, Indumathi Thangavelu

{"title":"Facile fabrication of dasatinib laden multifunctional polymeric micelles: Evaluation of anti-proliferative and apoptotic activities in human cancer cells","authors":"Soumya V. Menon, Sanketsinh Thakore, Ashish Verma, Surbhi Dhadda, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Muruganantham Bharathi, Palanisamy Arulselvan, Indumathi Thangavelu","doi":"10.1002/app.56376","DOIUrl":"https://doi.org/10.1002/app.56376","url":null,"abstract":"Dasatinib (DAS) has recently gained significant interest for its anticancer potential. Yet, the lipophilicity inherent in DAS limited its potential use as a chemotherapeutic drug. This study aimed to examine the effectiveness of polyethylene glycol-polycaprolactone (PEG-PCL) as a nanocarrier for DAS to increase its anticancer capabilities. The DAS-loaded PEG-PCL nanoparticles (termed as DAS@PEG-PCL NPs) were characterized using Fourier transform infrared (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and dynamic light scattering (DLS). Morphological staining and MTT tests were employed to investigate drug-loaded nanoparticles' apoptotic and anti-proliferative effects. The MTT assay demonstrated that incorporating DAS onto PEG-PCL NPs resulted in a dose-dependent increase in cytotoxicity in A549 (lung cancer) and HeLa (cervical cancer) cells. The A549 cancer cells were analyzed for their morphology using the acridine orange/ethidium bromide (AO/EB) and DAPI staining techniques. Overall, these findings demonstrate that the polymeric PEG-PCL nanoparticle systems hold great potential as a novel therapeutic strategy for cancer treatment.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 3","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comparison of the ablative performance of silicone rubber-based composites by analyzing a large number of samples

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-08 DOI: 10.1002/app.56384

Hao Zhang, Chuxiang Zhou, Zhaohui Lu, Yue Tian, Jinfeng Tian, Xiaofeng Chi, Liwei Yan, Jinggang Gai, Shengtai Zhou, Mei Liang, Huawei Zou

{"title":"Comparison of the ablative performance of silicone rubber-based composites by analyzing a large number of samples","authors":"Hao Zhang, Chuxiang Zhou, Zhaohui Lu, Yue Tian, Jinfeng Tian, Xiaofeng Chi, Liwei Yan, Jinggang Gai, Shengtai Zhou, Mei Liang, Huawei Zou","doi":"10.1002/app.56384","DOIUrl":"https://doi.org/10.1002/app.56384","url":null,"abstract":"Silicone rubber-based materials are important thermal protection materials for high-temperature applications. In this work, a holistic analysis of silicone rubber-based materials was conducted with an aim to comparatively study the ablative performance of different rubber matrices using the oxyacetylene flame. Six types of silicone rubber-based composites were prepared in large quantities using a customized device, and the relationship between the ablative properties and influencing factors was elucidated, which was useful in guiding the design and preparation of flexible ablative materials for thermal protection purpose. The expansion and ceramicization of char layer, which was realized by introducing expandable graphite and alumina was found helpful in reducing line ablation rate. The increase in the thickness of char layer and the decrease in surface roughness indicated a successful implementation of the above strategy, which led to a significant decrease in line ablation rate and an increase in thermal insulation performance of the studied system. Moreover, a thermal ablative composite with excellent moldability after ablation process was prepared which showed a promising application as a reusable thermal protection material. This work provided guidelines for developing flexible thermal ablative composites, which can be targeted for practical applications in aerospace and fire protection sectors.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 3","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860733","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electrical conductivity enhancement of chopped carbon fiber-reinforced epoxy composite bipolar plate for proton exchange membrane fuel cells

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-06 DOI: 10.1002/app.56421

Iesti Hajar Hanapi, Siti Kartom Kamarudin, Azran Mohd Zainoodin, Mohd Shahbudin Masdar, Siti Radiah Mohd Kamarudin, Nabilah Afiqah Mohd Radzuan, Mahnoush Beygisangchin, Zulfirdaus Zakaria

{"title":"Electrical conductivity enhancement of chopped carbon fiber-reinforced epoxy composite bipolar plate for proton exchange membrane fuel cells","authors":"Iesti Hajar Hanapi, Siti Kartom Kamarudin, Azran Mohd Zainoodin, Mohd Shahbudin Masdar, Siti Radiah Mohd Kamarudin, Nabilah Afiqah Mohd Radzuan, Mahnoush Beygisangchin, Zulfirdaus Zakaria","doi":"10.1002/app.56421","DOIUrl":"https://doi.org/10.1002/app.56421","url":null,"abstract":"This study investigated the development of chopped carbon fiber (CCF)-reinforced epoxy (EP)/graphite (G) composite bipolar plates (BPs) using a one-step compression molding process. The primary objective was to fabricate CCF-reinforced EP/G BPs to enhance their electrical conductivity performance by evaluating the electrical conductivity and compactness of the plate among expanded graphite (EG), carbon black (CB) Vulcan, a combination of EG and CB Vulcan, and CB Ensaco. The results indicated that the EG exhibited the highest electrical conductivity of 9.3 S cm−1 and compactness due to the low surface area. Consequently, CCF-reinforced EP/G/EG was selected for further optimization using response surface methodology (RSM) to analyze the parameters of EG composition, CCF composition, and temperature for optimizing electrical conductivity and porosity. The optimum conductivity and porosity of the CCF-reinforced EP/G/EG reached 22.7 S cm−1 and 9.84% with EG composition, CCF composition, and temperature of 7.56 wt.%, 6.63 wt.%, and 186°C, respectively. After optimization, EP/G/EG was connected to a circuit to light up a bulb. It showed a substantial improvement in illumination compared with the samples before optimization. Therefore, the use of CCF-reinforced EP/G/EG with one-step compression molding has proven highly successful for converting energy in renewable energy applications, showcasing exceptional performance.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142860434","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced microwave absorption of sandwich panels with magnetized carbon fiber corrugated array reinforced PMI foam core

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-03 DOI: 10.1002/app.56397

Zhuqing Zhang, Haihong Wu, Lin Jiang, Juntao Zhang, Jiquan Li, Tie Geng

{"title":"Enhanced microwave absorption of sandwich panels with magnetized carbon fiber corrugated array reinforced PMI foam core","authors":"Zhuqing Zhang, Haihong Wu, Lin Jiang, Juntao Zhang, Jiquan Li, Tie Geng","doi":"10.1002/app.56397","DOIUrl":"https://doi.org/10.1002/app.56397","url":null,"abstract":"Integrating periodic array structures made of metal wires or conductive inks into the foam core of electromagnetic (EM) wave absorbing sandwich panels can significantly improve broadband absorption performance. However, the complex fabrication process and poor corrosion resistance of these materials limit their practical applications. This work innovatively introduces magnetized carbon fiber (CF) into PMI foam, simultaneously achieving broadband absorption and lightweight characteristics of the sandwich structure through the design of array structure and fiber bundle geometry. Simulation analysis compared the EM absorption performance of sandwich panels with carbonyl iron powder (CIP)/CF tape and helical twisted CIP/CF rope corrugated arrays, determining the optimal array structure parameters, which were then experimentally validated. The experimental results align with the simulations, showing that CIP/CF rope corrugated arrays with an amplitude of 10 mm, a cycle length of 15 mm, and an array spacing of 15 mm provide optimal absorption performance, with a reflection loss below −10 dB across the 9–18 GHz frequency range and a maximum absorption of −33.9 dB at 17 GHz. Finally, the absorption mechanism of these sandwich structures is discussed, highlighting how the synergistic effects between the electromagnetic properties and structural morphology of CIP/CF enhance the absorption performance of the EM absorbing sandwich panel.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Thermochromic insulation composites for prewarning of thermal faults in electrical equipment

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-02 DOI: 10.1002/app.56414

Xianrui Jiang, Tianyu Hu, Ke Yao, Ruotong Xiong, Jiashu Qu, Qichang Liu, Chaolu Niu, Potao Sun, Wenxia Sima

{"title":"Thermochromic insulation composites for prewarning of thermal faults in electrical equipment","authors":"Xianrui Jiang, Tianyu Hu, Ke Yao, Ruotong Xiong, Jiashu Qu, Qichang Liu, Chaolu Niu, Potao Sun, Wenxia Sima","doi":"10.1002/app.56414","DOIUrl":"https://doi.org/10.1002/app.56414","url":null,"abstract":"Thermal faults occur in the continuous operation of electrical equipment. This poses a threat to the stable operation of power systems. However, existing detection methods do not apply to large-scale temperature measurement scenarios due to high cost and poor stability. To solve the above problems, a reversible thermochromic microcapsule is proposed in this work. Silicone rubber composite can be endowed with thermal sensing capability by doping an appropriate amount of thermochromic microcapsules inside the silicone rubber matrix. The test results showed that the color of the obtained thermochromic composites changed sensitively with the change in external temperature. The material undergoes a sudden color change at about 50°C achieving a reversible color change from blue to colorless. The color difference before and after the color change can be up to 37.24. In addition, the color difference shows an exponential decay trend with time. When the dopant concentration of the microcapsules is 1.5 wt%, the composite material shows excellent color-changing performance, and the insulation strength is increased by 6.92% compared with the pure silicone rubber. Meanwhile, the water contact angle of the composite is 115.3°, which proves that it has good hydrophobicity. Notably, the thermochromic composite also showed excellent weathering properties in thermal aging experiments. The thermochromic microcapsule proposed in this work can realize the visualization of the local overheating state of the electrical equipment, which provides a new idea for the application of thermal fault prewarning of the electrical equipment.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimizing melt electrowriting prototypes for printing non-medical and medical grade polycaprolactone meshes in prolapse repair

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2024-11-02 DOI: 10.1002/app.56408

Maria Francisca Vaz, Joana Alexandra Pinheiro Martins, Fabio Pinheiro, Nuno Miguel Ferreira, Sofia Brandão, Jorge Lino Alves, Antonio Augusto Fernandes, M. P. L. Parente, Maria Elisabete Silva

{"title":"Optimizing melt electrowriting prototypes for printing non-medical and medical grade polycaprolactone meshes in prolapse repair","authors":"Maria Francisca Vaz, Joana Alexandra Pinheiro Martins, Fabio Pinheiro, Nuno Miguel Ferreira, Sofia Brandão, Jorge Lino Alves, Antonio Augusto Fernandes, M. P. L. Parente, Maria Elisabete Silva","doi":"10.1002/app.56408","DOIUrl":"https://doi.org/10.1002/app.56408","url":null,"abstract":"Pelvic organ prolapse (POP) arises from insufficient support of female pelvic organs. Synthetic implants used in treatment can cause complications like infections, mesh shrinkage, and tissue erosion, often due to biomechanical compatibility issues. This research aims to optimize printing parameters for a melt electrowriting process using medical grade biodegradable Poly (ε-caprolactone) (PCL) with a pellet extruder. The primary goal is to produce meshes with specific characteristics, including square and diagonal shapes, and filament diameters of 80, 160, and 240 μm. These meshes are evaluated through mechanical tests, comparing their performance with a commercially available mesh and sheep vaginal tissue. The mechanical analysis showed that the commercial mesh was 84% stiffer than sheep vaginal tissue at higher strain levels. Non-medical grade PCL, with 80 μm meshes, closely matched the tissue's mechanical properties, with an 8% variation. Medical-grade PCL exhibited distinct behavior, with the 80 μm square mesh (two layers) showing a 27% variation and the 160 μm diagonal mesh (one layer) displaying the closest fit at 9%. The findings indicate that 3D-printed biodegradable meshes, particularly those printed with medical-grade PCL, may serve as a suitable alternative to mitigate complications associated with commercial implants.","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 4","pages":""},"PeriodicalIF":2.7,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142859848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0