Polymers from Renewable Resources最新文献

Polymers from renewable resources: Drug delivery platforms for transdermal delivery 可再生资源聚合物：透皮给药平台

Polymers from Renewable Resources Pub Date : 2024-07-26 DOI: 10.1177/20412479241266955

Pooyan Makvandi, Madineh Moradialvand, Ehsan Nazarzadeh Zare

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Lactic acid-facilitated surface modification of nanocellulose extracted from Borassus flabellifer leaves 乳酸促进了从长叶紫草叶中提取的纳米纤维素的表面改性

Polymers from Renewable Resources Pub Date : 2024-07-24 DOI: 10.1177/20412479241266957

Ankit Chakraborty, Pradnya Ghalsasi, P. Radha

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Recent advances in enhancing thermoelectric performance of polymeric materials 提高聚合物材料热电性能的最新进展

Polymers from Renewable Resources Pub Date : 2024-07-23 DOI: 10.1177/20412479241266953

R. Mulla, Sharnappa Chapi

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Exploring the performance of bio-based PLA/PHB blends: A comprehensive analysis 探索生物基聚乳酸/聚对苯二甲酸乙二醇酯混合物的性能：综合分析

Polymers from Renewable Resources Pub Date : 2024-07-23 DOI: 10.1177/20412479241266954

Luyao Gao, Aleksey D. Drozdov

{"title":"Exploring the performance of bio-based PLA/PHB blends: A comprehensive analysis","authors":"Luyao Gao, Aleksey D. Drozdov","doi":"10.1177/20412479241266954","DOIUrl":"https://doi.org/10.1177/20412479241266954","url":null,"abstract":"Poly(lactic acid) (PLA) is a bio-based linear aliphatic polyester that is broadly used in biomedical applications. A shortcoming of PLA is its brittleness and low toughness. Poly(hydroxybutyrate) (PHB) is a microbial bioprocessed and biodegradable polyester. To enhance toughness of PLA, it was melt-blended with PHB-based thermoplastic elastomer in various proportions by using a twin-screw extruder. Scanning electron microscope images reveal that PLA forms a continuous phase in PLA/PHB blends reinforced with inclusions of PHB. Fourier transform infrared spectroscopy measurements demonstrate strong intermolecular interactions between PLA and PHB chains. Differential scanning calorimeter thermogramms show that PHB reduces the glass transition temperature of PLA and affects its crystalline structure. When the mass fraction of PHB was 20, the glass transition temperature of the blend decreased to 33.9°C. Rheological measurements demonstrate that blending of PLA with PHB changes qualitatively the dependence of its viscosity on shear rate. Quasi-static (uniaxial tension) and dynamic (impact) tests confirm that blending of PLA with PHB results in a noticeable (by a factor of three) increase in its impact toughness and causes transition from the brittle to ductile regime of fracture. When the mass fraction of PHB was 40, the impact toughness reached to 0.40 kJ/m2, almost 3 times to neat PLA.","PeriodicalId":20353,"journal":{"name":"Polymers from Renewable Resources","volume":"100 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141812203","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

Production of nanocomposite films based on low density polyethylene/surface activated nanoperlite for modified atmosphere packaging applications 生产基于低密度聚乙烯/表面活性纳米铂的纳米复合薄膜，用于改良气氛包装应用

Polymers from Renewable Resources Pub Date : 2024-07-23 DOI: 10.1177/20412479241266958

R. Sahraeian, S. Paran, Masoud Esfandeh, G. Naderi

{"title":"Production of nanocomposite films based on low density polyethylene/surface activated nanoperlite for modified atmosphere packaging applications","authors":"R. Sahraeian, S. Paran, Masoud Esfandeh, G. Naderi","doi":"10.1177/20412479241266958","DOIUrl":"https://doi.org/10.1177/20412479241266958","url":null,"abstract":"The modified atmosphere packaging films based on polyethylene nanocomposites reinforced with perlite nanoparticles were prepared using a blow molding machine. The perlite particles were first reduced to nano dimensions using an abrasive mill, then the porosity of nanoperlite was increased to improve their efficiency in absorbing ethylene gas. For this purpose, 6 normal sodium hydroxide solution at 50°C temperature was used. Finally, perlite nanoparticles were modified by polymethyl hydrogen siloxane silane compound. In each of the stages of grinding and modifying the perlite surface, the necessary tests including dynamic light diffraction test, nitrogen absorption test and ethylene gas absorption test were performed using gas chromatography method. The results showed that the size of perlite particles was reduced to 500 nm by using an abrasive mill, and the surface modification process increased the specific surface area of perlite by 10 times. Based on this, the amount of ethylene gas absorption in perlite nanoparticles with modified surface increased up to 3 times compared to normal perlite. The results of the gas chromatography test showed that the nanocomposite film based on polyethylene reinforced with 6% by weight of modified perlite nanoparticles has several times the efficiency in absorbing ethylene gas compared to the potassium permanganate sachets The results of the mechanical properties tests of nanocomposite film in comparison with pure polyethylene film showed that nanocomposite film has higher properties than pure polyethylene. The results of shelf-life tests of green tomatoes packed in nanocomposite film based on polyethylene reinforced with modified nanoperlite showed that green tomatoes can be stored for two months using the prepared modified atmosphere packaging.","PeriodicalId":20353,"journal":{"name":"Polymers from Renewable Resources","volume":"42 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141813247","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

Letter re: Polymers from renewable resources: Plant-based nanoparticles 信件内容：来自可再生资源的聚合物：植物基纳米粒子

Polymers from Renewable Resources Pub Date : 2024-07-22 DOI: 10.1177/20412479241266956

Hossein Ipakchi, Ali Mohammadi

引用次数: 0

Polymers from renewable resources: Glucose from enzymatic hydrolysis of hemp biomass 来自可再生资源的聚合物：酶水解大麻生物质产生的葡萄糖

Polymers from Renewable Resources Pub Date : 2024-07-22 DOI: 10.1177/20412479241266952

V. Toteva, Ivo Valchev, S. Petrin

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Phosphorylation of chitin and chitosan: A review on its significance and various synthesis routes 甲壳素和壳聚糖的磷酸化：关于其意义和各种合成路线的综述

Polymers from Renewable Resources Pub Date : 2024-03-01 DOI: 10.1177/20412479241227139

Geeta, Satish Kumar, Shivani, Shayoraj, Mohit Saini, Santosh Kumar Dubey

{"title":"Phosphorylation of chitin and chitosan: A review on its significance and various synthesis routes","authors":"Geeta, Satish Kumar, Shivani, Shayoraj, Mohit Saini, Santosh Kumar Dubey","doi":"10.1177/20412479241227139","DOIUrl":"https://doi.org/10.1177/20412479241227139","url":null,"abstract":"Over the past few decades, chitin and chitosan, value-added biopolymers obtained majorly from seafood wastes, have been extensively evaluated and utilized for their application in plenty of domains such as biomedical, pharmaceutical, agricultural, food processing industries, fuel cells, wastewater curing, and flame retardants. A vast number of physical, chemical, and enzymatic approaches have been followed to improve the biological activities, biocompatibility, and physicochemical properties of chitin and chitosan. Among the innumerable modifications, this article focuses primarily on the importance of phosphorylation, as it intensifies not only water solubility but also tissue regeneration, flame retardation, ionic conductivity, metal chelation, and drug-carrying abilities. Furthermore, the aim of this review is to thoroughly assess various techniques that involve the use of phosphorylating agents such as phosphoric acid, phosphorus acid, phosphorus oxychloride, phosphorus pentoxide, and the grafting method to synthesize phosphorylated derivatives of chitin and chitosan, so that a clear vision can be provided to the reader aimed at choosing a best-fit method for phosphorylation.","PeriodicalId":20353,"journal":{"name":"Polymers from Renewable Resources","volume":"82 23","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140087244","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

Biosensors from renewable resources: Decarbonization and sustainability 来自可再生资源的生物传感器：去碳化和可持续性

Polymers from Renewable Resources Pub Date : 2024-02-29 DOI: 10.1177/20412479241233849

M. Saeb

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Review of alginate-based composites for 3D printing material 用于 3D 打印材料的藻酸盐基复合材料综述

Polymers from Renewable Resources Pub Date : 2024-01-18 DOI: 10.1177/20412479241227137

B. Bukit, F. Syamani, E. Rochima, C. Panatarani, W. Widiyastuti, Danar Praseptiangga, Novizar Nazir, Yeyen Nurhamiyah, Siti Agustina

{"title":"Review of alginate-based composites for 3D printing material","authors":"B. Bukit, F. Syamani, E. Rochima, C. Panatarani, W. Widiyastuti, Danar Praseptiangga, Novizar Nazir, Yeyen Nurhamiyah, Siti Agustina","doi":"10.1177/20412479241227137","DOIUrl":"https://doi.org/10.1177/20412479241227137","url":null,"abstract":"The ability of alginates to form hydrogel solutions makes them a promising biomaterial for three-dimensional (3D) printing. Researchers are investigating several techniques to improve the alginate hydrogels’ quality, such as using alginate-based nanocomposites as materials for 3D printing. This review examines the material of alginate-based composites, the printing technique, and the applications of 3D printing alginate-based composites. Material composites for 3D printing include alginate with clay, a combination of alginate with polymers or biopolymers, and a mixture of alginate with metal oxide and carbon. The 3D printing material from alginate combined with polymers is usually used in the medical and green packaging industries, whereas a mixture of alginate with clay, metal oxide, and carbon 3D printing material is utilized in the environmental field. When considering printing procedures, extrusion techniques are the most affordable. Furthermore, the purpose of alginate composite characterization is to determine the impact generated by the material combinations. This characterization is carried out based on the intended application. However, it is common to employ mechanical, thermal, rheological, scanning electron, XRD, and FTIR analysis to identify the fundamental characteristics of the alginate composite according to research.","PeriodicalId":20353,"journal":{"name":"Polymers from Renewable Resources","volume":"8 13","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139525934","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