Leather and Footwear Journal最新文献

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The Influence of Chitosan towards Antibacterial Properties in Natural Leather 壳聚糖对天然皮革抗菌性能的影响
Leather and Footwear Journal Pub Date : 2020-12-15 DOI: 10.24264/LFJ.20.4.8
Mustafidah Udkhiyati, Nur Mutia Rosiati, F. Silvianti
{"title":"The Influence of Chitosan towards Antibacterial Properties in Natural Leather","authors":"Mustafidah Udkhiyati, Nur Mutia Rosiati, F. Silvianti","doi":"10.24264/LFJ.20.4.8","DOIUrl":"https://doi.org/10.24264/LFJ.20.4.8","url":null,"abstract":"The abundant hydroxyl groups (-OH) of vegetable tanned leather enhances the bacterial growth possibility. In this work, antibacterial vegetable tanned leather was developed taking advantage of chitosan antibacterial activity. Different chitosan utilization method was conducted, namely drum impregnation and spraying. Antibacterial testing was carried out using agar diffusion method to identify the effect of chitosan against Gram-positive bacteria (Staphylococcus aureus). The results showed that the use of 1% (w/v) chitosan by spraying method tends to be more effective in improving the antibacterial properties of vegetable tanned leather. While, the leather sample of drum impregnation at initial pH 4 has the lowest antibacterial activity among others. The results of FTIR analysis showed that there was no significant difference between control and chitosan modified tanned leather, confirming the similar functional groups between it.","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48756281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Estimation of the Allowable Concentration of Chlorides in Soaking Effluents from the Tanning Process Using Ecotoxicological Tools 利用生态毒理学工具估计制革过程中浸泡废水中氯化物的允许浓度
Leather and Footwear Journal Pub Date : 2020-12-15 DOI: 10.24264/lfj.20.4.6
Ruth MOGOLLON ROPA, Liliana Marrufo Saldaña, Julio Barra Hinojosa, Rosa Contreras Panizo, Robert BULEJE DEL CARPIO
{"title":"Estimation of the Allowable Concentration of Chlorides in Soaking Effluents from the Tanning Process Using Ecotoxicological Tools","authors":"Ruth MOGOLLON ROPA, Liliana Marrufo Saldaña, Julio Barra Hinojosa, Rosa Contreras Panizo, Robert BULEJE DEL CARPIO","doi":"10.24264/lfj.20.4.6","DOIUrl":"https://doi.org/10.24264/lfj.20.4.6","url":null,"abstract":"The use of sodium chloride for the preservation of pelts and skins destined for tanning is a very widespread technique in Peru, therefore the quantities used of this salt represent high concentrations of chlorides in the liquid effluents that are generated, which can affect the environmental quality of ecosystems and human health. The present study aimed to estimate an allowable concentration of chlorides in tanning effluents using ecotoxicological tools so that it would serve as a guide for the tanning industry and the authorities in their efforts to establish better conservation practices and effluent control parameters, which are currently absent from national environmental legislation. The permissible concentration of chlorides was determined using bioassays with seeds of Lactuca sativa species (lettuce), which was exposed to soaking effluents obtained from local tanneries. The studied species was determined based on sensitivity tests to zinc sulfate (ZnSO4) applied to three commercial lettuce species. The selected lettuce seed presented a germination rate higher than 90%, a CV lower than 30% and an IC50 of 38.97 mg/L of Zn+2 with a confidence interval between 19.30 mg/L and 58.65 mg/L of Zn+2. The admissible guide concentration determined for chlorides in soaking effluents from IC50 was 582.30 mg/L with a minimum value of 258.45 mg/L and a maximum of 906.15 mg/L. Additionally, because of the presence of other pollutants in the soaking effluents, such as bactericides, organic matter, enzymes and salts added in soaking process, tests with synthetic solutions of sodium chloride at the same concentrations of the soaking effluents were conducted, to evaluate the effect produced by those substances.","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68830103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biodegradable polymeric composite based on recycled polyurethane and rubber wastes: material for green shoe manufacturing 基于回收聚氨酯和橡胶废料的可生物降解聚合物复合材料:绿色鞋制造材料
Leather and Footwear Journal Pub Date : 2020-09-30 DOI: 10.24264/lfj.20.3.10
L. Alexandrescu, M. Georgescu, M. Sonmez, M. Nițuică
{"title":"Biodegradable polymeric composite based on recycled polyurethane and rubber wastes: material for green shoe manufacturing","authors":"L. Alexandrescu, M. Georgescu, M. Sonmez, M. Nițuică","doi":"10.24264/lfj.20.3.10","DOIUrl":"https://doi.org/10.24264/lfj.20.3.10","url":null,"abstract":"This paper presents the process of obtaining biodegradable polymeric composites based on post-consumption thermoplastic polyurethane and post-consumption vulcanized rubber waste, in various ratios (5, 10, 20, 30, 50%), cryogenically ground to min. 100 nm, and maleic anhydride grafted polyethylene as compatibilizer between the two phases. This composite will be formed into a low-density product, with low cost, recovery and reuse of waste, containing post-consumption polymers, and last but not least, biodegradable. The methodology for making the new materials involves the following steps: sorting waste, grinding, functionalization and compounding. These operations are easy to manage and do not involve new equipment. Compounding, the most important operation, will be carried out on a corotating twin-screw extruder-granulator with the possibility to adjust parameters such as temperature and speed depending on the material, having a screw ratio (L/D-35). The tested biodegradable composites were characterized structurally and physico-mechanically. Waste transformation (ground and functionalized) into new value-added products will lead to remarkable improvements in the life cycle of raw materials and the responsible use of this waste, contributing to sustainability, improving eco-efficiency and economic efficiency and reducing the “pressure” of waste on the environment.","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45857488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A Unified Technology of Crust Leather Production Using Polymeric Compounds Development 利用高分子化合物生产皮皮统一工艺的开发
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.4
N. Pervaia, O. Andreyeva, L. Maistrenko, O. Mokrousova, S. Harkavenko, A. Nikonova
{"title":"A Unified Technology of Crust Leather Production Using Polymeric Compounds Development","authors":"N. Pervaia, O. Andreyeva, L. Maistrenko, O. Mokrousova, S. Harkavenko, A. Nikonova","doi":"10.24264/lfj.19.3.4","DOIUrl":"https://doi.org/10.24264/lfj.19.3.4","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43169386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Plantar Pressure Analysis of Volleyball Players Based on Gait Features 基于步态特征的排球运动员足底压力分析
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.3
Zegang Wang
{"title":"Plantar Pressure Analysis of Volleyball Players Based on Gait Features","authors":"Zegang Wang","doi":"10.24264/lfj.19.3.3","DOIUrl":"https://doi.org/10.24264/lfj.19.3.3","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41880589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bass-Modeling for Fast Fashion Lady's Shoes Based on Consumer Behavior 基于消费者行为的快时尚女鞋低音建模
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.1
Keyu Hou, Jinzhi He, Lisha Liang, Jingjing Li, Jin Zhou
{"title":"Bass-Modeling for Fast Fashion Lady's Shoes Based on Consumer Behavior","authors":"Keyu Hou, Jinzhi He, Lisha Liang, Jingjing Li, Jin Zhou","doi":"10.24264/lfj.19.3.1","DOIUrl":"https://doi.org/10.24264/lfj.19.3.1","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42382861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Decision Making of Product Quality and Carbon Emission Reduction in Footwear Supply Chain under Production Capacity Constraint 产能约束下鞋类供应链产品质量与碳减排决策
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.5
Jian Tan, Guoqiang Jiang, Zuogong Wang
{"title":"Decision Making of Product Quality and Carbon Emission Reduction in Footwear Supply Chain under Production Capacity Constraint","authors":"Jian Tan, Guoqiang Jiang, Zuogong Wang","doi":"10.24264/lfj.19.3.5","DOIUrl":"https://doi.org/10.24264/lfj.19.3.5","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44035912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance Assessment of Green Practices in Liming with Reductive Potential Chemicals for Environmental Sustainability 具有还原潜力化学品的黎明市环境可持续性绿色实践绩效评估
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.2
Bahri Başaran, A. Yorgancioglu, E. Onem, B. Bitlisli
{"title":"Performance Assessment of Green Practices in Liming with Reductive Potential Chemicals for Environmental Sustainability","authors":"Bahri Başaran, A. Yorgancioglu, E. Onem, B. Bitlisli","doi":"10.24264/lfj.19.3.2","DOIUrl":"https://doi.org/10.24264/lfj.19.3.2","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41419390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Testing a New Product Based on Essential Oil with Antifungal Properties for Treatment of Natural Leather 测试一种基于具有抗真菌性能的精油的新产品,用于处理天然皮革
Leather and Footwear Journal Pub Date : 2019-09-30 DOI: 10.24264/lfj.19.3.6
O. Niculescu, L. Albu, Gheorghe Coară, L. Miu, C. Gaidău, R. Constantinescu, D. Gurau
{"title":"Testing a New Product Based on Essential Oil with Antifungal Properties for Treatment of Natural Leather","authors":"O. Niculescu, L. Albu, Gheorghe Coară, L. Miu, C. Gaidău, R. Constantinescu, D. Gurau","doi":"10.24264/lfj.19.3.6","DOIUrl":"https://doi.org/10.24264/lfj.19.3.6","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46764079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rigid antimicrobial polimeric composite with PVC matrix and ZnO and TiO2 functionalized nanoparticles PVC基质与ZnO和TiO2功能化纳米粒子的刚性抗菌聚合物复合材料
Leather and Footwear Journal Pub Date : 2019-06-30 DOI: 10.24264/lfj.19.2.5
L. Alexandrescu, M. Georgescu, M. Sonmez, D. Gurau, R. Constantinescu
{"title":"Rigid antimicrobial polimeric composite with PVC matrix and ZnO and TiO2 functionalized nanoparticles","authors":"L. Alexandrescu, M. Georgescu, M. Sonmez, D. Gurau, R. Constantinescu","doi":"10.24264/lfj.19.2.5","DOIUrl":"https://doi.org/10.24264/lfj.19.2.5","url":null,"abstract":"","PeriodicalId":38857,"journal":{"name":"Leather and Footwear Journal","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46731497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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