Journal of Polymer Engineering最新文献

Synthesis, rheology, cytotoxicity and antibacterial studies of N-acrolylglycine-acrylamide copolymer soft nano hydrogel N- 丙烯酸-丙烯酰胺共聚物软纳米水凝胶的合成、流变学、细胞毒性和抗菌研究

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-09-13 DOI: 10.1515/polyeng-2023-0247

Anilkumar Yamala, Jai Shree Kurba, D. Sanjeev Kumar, Ravi Kumar Kanaparthi, Ashok K. Madikonda

{"title":"Synthesis, rheology, cytotoxicity and antibacterial studies of N-acrolylglycine-acrylamide copolymer soft nano hydrogel","authors":"Anilkumar Yamala, Jai Shree Kurba, D. Sanjeev Kumar, Ravi Kumar Kanaparthi, Ashok K. Madikonda","doi":"10.1515/polyeng-2023-0247","DOIUrl":"https://doi.org/10.1515/polyeng-2023-0247","url":null,"abstract":"Hydrogels possess excellent biological properties that make them ideal for biomedical applications. They are compatible with living cells and tissues because they can swell in the presence of water. In this study, we investigated the stability and biocompatibility of hydrogels. We synthesized and characterized N-acryl glycine (NAG) monomer and then synthesized its copolymer using the miniemulsion-polymerization technique, a soft-hydrogel method. To confirm the morphological properties of the dried hydrogel particles, we used the field emission scanning electron microscopy (FESEM) technique. We also investigated the rheological properties of the hydrogels for different concentrations to evaluate their mechanical strength and gel-like properties. Our findings indicated that the 10 % gel had superior strength and yield strain at all examined temperatures (30 °C, 37 °C, and 40 °C) compared to other concentrated gels. We systematically evaluated the biocompatibility of the hydrogel using three different cell lines: HEK 293T, RAW 264.7, and HeLa. Our cell line studies demonstrated that hydrogels are viable when exposed to a concentration of 0.5 mg/mL. Moreover, cell proliferation was observed at concentrations below 0.25 mg/mL. The MTT assay and rheology results suggest that hydrogel characteristics are more suitable for various biomedical applications, such as drug delivery and tissue engineering.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142264856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Low thickness electromagnetic wave absorbing polyurethane and IIR composites by interfacial polarization of multi-layer structure 通过多层结构的界面极化实现低厚度电磁波吸收聚氨酯和 IIR 复合材料

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-09-05 DOI: 10.1515/polyeng-2024-0095

Jinghui Yang

引用次数: 0

An experimental investigation on the influence of pore foaming agent particle size on cell morphology, hydrophobicity, and acoustic performance of open cell poly (vinylidene fluoride) polymeric foams 孔隙发泡剂颗粒大小对开孔聚偏氟乙烯聚合物泡沫的细胞形态、疏水性和声学性能影响的实验研究

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-09-05 DOI: 10.1515/polyeng-2024-0124

Nivedhitha Durgam Muralidharan, Jeyanthi Subramanian

{"title":"An experimental investigation on the influence of pore foaming agent particle size on cell morphology, hydrophobicity, and acoustic performance of open cell poly (vinylidene fluoride) polymeric foams","authors":"Nivedhitha Durgam Muralidharan, Jeyanthi Subramanian","doi":"10.1515/polyeng-2024-0124","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0124","url":null,"abstract":"Globally, the development of porous structured materials has been receiving incredible responses for various high-performance engineering applications. Piezoelectric cellular foams have recently attracted the attention of researchers to emerging applications of acoustic sensors, low-frequency hydrophones, and energy-harvesting devices. As pore morphology is closely related to the shape and the size of the pore-foaming agent, it is necessary to address the influence of particle size of the foaming agent on cell morphology to expand their application area. Hence, this research article establishes the impact of particle size of pore foaming agents on pore morphology, hydrophobicity, and acoustic characteristics of open-cell polyvinylidene fluoride (PVDF) based piezoelectric cellular composites. Open-cell PVDF cellular composites have been fabricated using the template removal method with sodium chloride (NaCl) as a sacrificial templating agent in three different particle sizes: larger, medium, and finer. Based on the experimental results, it can be stated that the particle size of the templating agents dramatically influences the pore morphology, hydrophobicity, and acoustics performance of the PVDF foam samples. The PVDF foams possessing medium pore size have exhibited a maximum sound absorption coefficient of 0.89 at a frequency range of 1,000–1,500 Hz, indicating that PVDF foams have great potential for noise-controlling applications.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142184717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis and properties of reed-based polyurethane (PU) coating 芦苇基聚氨酯（PU）涂层的合成与性能

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-29 DOI: 10.1515/polyeng-2024-0109

Ruiying Wu, Meng Chen, Wenjing Zhang, Wenqing Yang, Libin Bai, Li Huo

{"title":"Synthesis and properties of reed-based polyurethane (PU) coating","authors":"Ruiying Wu, Meng Chen, Wenjing Zhang, Wenqing Yang, Libin Bai, Li Huo","doi":"10.1515/polyeng-2024-0109","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0109","url":null,"abstract":"The reuse of agricultural waste and the development of bio-based materials are the main strategies for solving the global energy crisis and environmental problems. Agricultural waste reeds containing natural nano-silica (SiO2) were liquefied with PEG-400, Castor oil, and acid to produce reed-based polyols (R–P). The result shows that the liquefied product is a polyol with a hydroxyl value of 171 mgKOH/g, a viscosity of 1.221 Pa S, the number average molecular weight (Mn) of 1.202 kg/mol. Then reed-based two-component polyurethane emulsion (R-T-PU) and reed-based one-component waterborne polyurethane emulsion (R-O-WPU) with good glossiness and excellent mechanical properties were prepared. Because of the natural nano-SiO2 in reed and castor oil, the coatings exhibit excellent mechanical properties and hydrophobicity. The results show that the series of reed-based polyurethane has excellent mechanical properties, a maximum hardness of 6H, good hydrophobic effect, a maximum contact angle of 109°, high thermal stability, and a maximum initial decomposition temperature can reach 299.1 °C. Therefore, the environmental protection bio-based polyurethane coating with excellent properties can be prepared with the reed, which is expected to replace fossil resources. It provides an experimental basis for the high-added-value utilization of reed.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142184705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of epoxidized soybean oil on melting behavior of poly(l-lactic acid) and poly(d-lactic acid) blends after isothermal crystallization 环氧化大豆油对聚（l-乳酸）和聚（d-乳酸）混合物等温结晶后熔融行为的影响

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-27 DOI: 10.1515/polyeng-2024-0081

Wenwei Li, Jun Shen, Dutchanee Pholharn, Keartisak Sriprateep, Patnarin Worajittiphon, Yottha Srithep

{"title":"Effect of epoxidized soybean oil on melting behavior of poly(l-lactic acid) and poly(d-lactic acid) blends after isothermal crystallization","authors":"Wenwei Li, Jun Shen, Dutchanee Pholharn, Keartisak Sriprateep, Patnarin Worajittiphon, Yottha Srithep","doi":"10.1515/polyeng-2024-0081","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0081","url":null,"abstract":"The effect of epoxidized soybean oil (ESO) on homocrystallization (HC) and stereocomplex (SC) formation behavior of poly(l-lactide) (PLLA) and poly(d-lactide) (PDLA) bends was investigated utilizing differential scanning calorimetry (DSC). Isothermal crystallization was performed on ESO/PLLA/PDLA blends with varying ESO contents (0, 5, 8, and 10 wt%) and temperatures (90 °C, 120 °C, and 150 °C) for a different duration (12.5, 25, and 125 min). It was found that the ESO could effectively inhibit HC crystallization and promote SC crystallization. For the sample without ESO (ESO-0), the isothermal crystallization temperature and duration had little effect on the melting behavior, whereas sample with 5 wt% ESO (ESO-5), HC crystallization decreased while SC crystallization continued to increase with increasing duration. Additionally, at higher crystallization temperatures with constant ESO content, the melting temperature of SC crystals did not significantly change, suggesting that ESO did not degrade PLLA/PDLA blends. These findings imply that ESO modifies crystallization kinetics, suppressing HC formation and enhancing SC formation, which could benefit for specific material properties and applications.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142184719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of plasticisation during foam injection moulding on the melt viscosity and fibre length of long glass fibre-reinforced polypropylene 泡沫注射成型过程中的塑化对长玻璃纤维增强聚丙烯的熔体粘度和纤维长度的影响

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-27 DOI: 10.1515/polyeng-2024-0104

Christian Hopmann, Jan Wolters

引用次数: 0

Fabrication of ultrafiltration membranes based on methacrylate copolymers containing quaternary ammonium and PEG units for dye removal 基于含有季铵和 PEG 单元的甲基丙烯酸酯共聚物的超滤膜的制作，用于去除染料

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-24 DOI: 10.1515/polyeng-2024-0085

Zihao Zhao, Yunyun Xue, Yani Jiang, Qianwei Su, Tong Sun, Wushang Yang, Zelin Qiu, Liheng Zhu, Lifeng Fang, Baoku Zhu

{"title":"Fabrication of ultrafiltration membranes based on methacrylate copolymers containing quaternary ammonium and PEG units for dye removal","authors":"Zihao Zhao, Yunyun Xue, Yani Jiang, Qianwei Su, Tong Sun, Wushang Yang, Zelin Qiu, Liheng Zhu, Lifeng Fang, Baoku Zhu","doi":"10.1515/polyeng-2024-0085","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0085","url":null,"abstract":"Phase inversion involves in a complex process due to numerous factors affecting the membrane formation. Among them, polymer chain entanglement from polymeric membrane materials plays a critical role in regulating membrane structure and is still worth further exploration. Herein, a series of methacrylate copolymers with different contents of poly(ethylene glycol) methacrylate (PEGMA) were designed and synthesized, and ultrafiltration membranes cast from these copolymers were systematically investigated regarding structural evolution and filtration performance. Surface zeta potential of membranes gradually transformed from positive to negative with the increasing PEGMA content due to nonsolvent-induced surface migration of element oxygen, and meanwhile the transformation from finger-like pore structure to sponge-like pore structure in the support layer was observed, which could be attributed to chain entanglement of the PEGMA-rich copolymer. Filtration experiments indicated that sponge-like membranes possessed better separation effect of Victoria blue B compared with finger-like membranes, and the optimized mPP40-15 % showed a retention rate of 99.55 % and permeance of 110.26 L m−2 h−1 bar−1 and displayed good selective separation of dye/salt mixture. Besides, sponge-like membranes also exhibited easy regeneration, anti-fouling property and filtration stability. This work will provide guidance for modulating membrane structure and offer an alternative material for membrane separation in handling dye wastewater.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142184729","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hydrogel for slow-release drug delivery in wound treatment 用于伤口治疗中缓释给药的水凝胶

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-22 DOI: 10.1515/polyeng-2024-0094

Bei Ma, Pan Liu, Yaofeng Zhang, Lijun Tang, Zhengyang Zhao, Ze Ding, Tianyang Wang, Tianzhen Dong, Hongwei Chen, Junfeng Liu

{"title":"Hydrogel for slow-release drug delivery in wound treatment","authors":"Bei Ma, Pan Liu, Yaofeng Zhang, Lijun Tang, Zhengyang Zhao, Ze Ding, Tianyang Wang, Tianzhen Dong, Hongwei Chen, Junfeng Liu","doi":"10.1515/polyeng-2024-0094","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0094","url":null,"abstract":"When skin comes into direct contact with the outside environment, it becomes extremely prone to injury and external factors can make wounds difficult to heal. Traditional medical dressings often cause secondary injury and are poorly resistant to infection. Hydrogels offer a promising alternative to overcome these difficulties. In this study, chitosan (CS)/gelatin (GEL)/polyvinyl alcohol (PVA) hydrogels were developed by chemical cross-linking and loaded with the drug kitasamycin (KM) for testing. The hydrogels’ in vitro drug release and wound-healing properties were assessed. For 48 h, the drug release from the hydrogel in vitro persisted, which was significantly longer than the release time of the KM solution. Antimicrobial activity tests showed that the loaded KM hydrogel maintained its bacteriostatic ability at the same concentration as the KM solution, and during in vitro bacteriostatic inhibition, the duration of bacteriostatic inhibition of the KM hydrogel was significantly prolonged compared to that of the KM solution. This confirms the controlled release capability of the hydrogel. In addition, the hydrogel reduced the wound size in mice by 96 % and histopathological tests showed complete re-epithelialization of the wound. The prepared hydrogels successfully demonstrated their potential ability to control drug release and promote skin wound healing.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of MXene-based flexible piezoresistive sensors 开发基于 MXene 的柔性压阻传感器

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-22 DOI: 10.1515/polyeng-2024-0110

Tong Xu, Heyan Peng

{"title":"Development of MXene-based flexible piezoresistive sensors","authors":"Tong Xu, Heyan Peng","doi":"10.1515/polyeng-2024-0110","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0110","url":null,"abstract":"The flexibility and sensitivity of traditional sensors is hard to achieve unless wearable technology develops. Flexible piezoresistive sensor (FPS) is one of the solutions in the nondestructive health monitoring of living body. In the application of sensing devices for physiological or biochemical signals, fast feedback speed and accurate signal feedback are essential requirements for obtaining sensitive response signals. Additionally, the development of FPS has promoted the research of conductive materials that could be used in wearable devices. However, improving the performance of functional materials is an important way of effort for researchers. Recently, MXene as a new kind of 2D materials and their composites have made a tremendous impact in the field of sensors for wearable health sensors. Numerous conductive materials based 2D MXene could expedite their practical application in FPS by overcoming the present limitations of FPS such as poor responsivity, signal accuracy, and the narrower corresponding range. There has been plenty of breakthrough in the MXene-based FPS in the past several years. The main purpose of this paper is reviewing the recent development of MXene-based FPS and providing an outlook on the future development of it.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142224122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

ScCO2-processed thermoplastic starch/chitosan oligosaccharide blown films and their oxygen barrier or antibacterial applications 经 ScCO2 处理的热塑性淀粉/壳聚糖寡糖吹塑薄膜及其氧气阻隔或抗菌应用

IF 2 4区工程技术

Journal of Polymer Engineering Pub Date : 2024-08-20 DOI: 10.1515/polyeng-2024-0130

Zi-yu Wang, Qian-li Luo, Han-fang Mei, Ning Ma, Ya-qiong Huang, Jen-taut Yeh

{"title":"ScCO2-processed thermoplastic starch/chitosan oligosaccharide blown films and their oxygen barrier or antibacterial applications","authors":"Zi-yu Wang, Qian-li Luo, Han-fang Mei, Ning Ma, Ya-qiong Huang, Jen-taut Yeh","doi":"10.1515/polyeng-2024-0130","DOIUrl":"https://doi.org/10.1515/polyeng-2024-0130","url":null,"abstract":"Antibacterial and oxygen barrier films were inventively prepared by blending very small loadings (<2 wt%) of chitosan oligosaccharide (COS) or chitosan (CS) in thermoplastic starch (TPS) and/or processing with supercritical carbon dioxide (scCO2). Oxygen transmission rates (OTR) and free-volume-hole (FVH) characteristics of scCO2-processed TPS/COS and TPS/CS blown films diminish to a minimum, as their COS or CS approach a specific compatibility limit content. The minimum OTR and FVH characteristics of scCO2-processed TPS/COS films are somewhat smaller than those of corresponding TPS/COS films without scCO2-assistance, and decrease further with decreasing COS molecular weights. The minimum OTR values of scCO2-processed TPS/COS blown films with COS’s molecular weight of 200 and 500 are only 4.1 and 4.5 cm3/m2 × day × atm, respectively, and their antibacterial rates of Staphylococcus aureus are ≥97 %, which make them as promising antibacterial and oxygen barrier films having OTR ≦ 5 cm3/m2 × day × atm. Among other things, longitudinal or transversal tensile strengths acquired for the properly scCO2-processed TPS/COS or TPS/CS films are ∼30 to ∼50 % higher than those of the TPS films. Dynamic mechanical relaxation results of these scCO2-processed reveal that chitosan oligosaccharide or chitosan are compatible with TPS, as COS or CS contents are ≤ the compatibility limit value.","PeriodicalId":16881,"journal":{"name":"Journal of Polymer Engineering","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142184721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0