Open Access

REVIEW

Samarjeet Singh Siwal^1,2, Qibo Zhang^1,3,*, Adesh Kumar Saini⁴, Vijay Kumar Thakur^5,6,*
Journal of Renewable Materials, Vol.8, No.12, pp. 1543-1563, 2020, DOI:10.32604/jrm.2020.014597 - 12 November 2020
Abstract Coronaviruses are responsible for a developing budgetary, human and fatality trouble, as the causative factor of infections, for example, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It has been well recognized that SARS-CoV-2 may survive under severe atmosphere circumstances. Hence, efficient containment approaches, for example, sanitizing, are crucial. Commonly, living compounds contribute a substance of chemical heterogeneity, with antiviral movement, and therefore can have efficacy as therapeutic tools toward coronavirus diseases. Here, in this review article, we have described the antimicrobialbased materials, which can be used to inhibit the spreading of the COVID-19. We have More >

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REVIEW

Limin Yuan¹, Yuejie Wu², Yan Qin², Huimin Yong², Jun Liu^2,*
Journal of Renewable Materials, Vol.8, No.12, pp. 1565-1579, 2020, DOI:10.32604/jrm.2020.014562 - 12 November 2020
（This article belongs to the Special Issue: Food Packaging Materials Based on Renewable Resources)
Abstract Locust bean gum (LBG) is a typical galactomannan isolated from carob bean (Ceratonia siliqua L.) cultivated in the Mediterranean area. Due to its superior biodegradable, rheological and film-forming properties, LBG has been used alone or combined with other biopolymers (e.g., polysaccharides, proteins and lipids) to develop films. Till now, different kinds of functional ingredients (e.g., montmorillonite, bacteriocins, antibiotics, plant extract, essential oils and microbial cells) have been added into LBG-based films. Notably, the physical and functional properties of LBG-based films are affected by many factors, such as the structure of LBG, the type and content of More >

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6

Open Access

REVIEW

Nishit Savla¹, Raksha Anand², Soumya Pandit^2,*, Ram Prasad^3,*
Journal of Renewable Materials, Vol.8, No.12, pp. 1581-1605, 2020, DOI:10.32604/jrm.2020.011803 - 12 November 2020
Abstract Microbial fuel cells (MFCs) are an attractive innovation at the nexus of energy and water security for the future. MFC utilizes electrochemically active microorganisms to oxidize biodegradable substrates and generate bioelectricity in a single step. The material of the anode plays a vital role in increasing the MFC’s power output. The anode in MFC can be upgraded using nanomaterials providing benefits of exceptional physicochemical properties. The nanomaterials in anode gives a high surface area, improved electron transfer promotes electroactive biofilm. Enhanced power output in terms of Direct current (DC) can be obtained as the consequence More >

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ARTICLE

Jinxing Li^1,#, Jingjing Liao^1,#, Jun Zhang¹, Xiaojian Zhou^1,2,*, Hisham Essawy³, Guanben Du^1,2
Journal of Renewable Materials, Vol.8, No.12, pp. 1607-1616, 2020, DOI:10.32604/jrm.2020.013976 - 12 November 2020
（This article belongs to the Special Issue: Renewable Foam Materials and Composites)
Abstract In this study, pre-concentrated bark, furfuryl alcohol and other biomass raw materials were used to prepare foaming materials by high-speed mechanical stirring without using a foaming agent. We investigated the effect of the postadded water amount on the properties of foaming materials. In particular, we determined basic physical properties of these materials, including the limiting oxygen index (LOI), porosity, thermal conductivity, thermogravimetric analysis, pore size distribution, and microstructure. The results of scanning electron microscopy (SEM) indicated that the pore size distribution was uniform and the pore size increased with increasing water volume. Thermogravimetric analysis (TG/… More >

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Senyun Liu^1,2, Qinglin Liu^1,2, Xian Yi^1,2,*, Yizhou Shen^4,*, Long Guo^1,2, Wenqing Hou⁴, Haifeng Chen³, Zhen Wang⁴
Journal of Renewable Materials, Vol.8, No.12, pp. 1617-1631, 2020, DOI:10.32604/jrm.2020.014158 - 12 November 2020
（This article belongs to the Special Issue: Green Coating and Film for Degeneration Protection)
Abstract The aim of this study is to explore the heterogeneous ice nucleation behavior based on controllable micro-cubic array structure surfaces from the statistic perspective. To this end, we firstly constructed a group of micro-cubic array structures on silicon substrates by a selective plasma etching technique. After grafting low-free-energy substance, the as-constructed micro-cubic array structure surfaces exhibited higher non-wettability with the water contact angle being up to 150°. On this basis, 500 cycles of freezing and melting processes were accurately recorded to analyze the instantaneous ice nucleation behavior according to the statistical results of freezing temperature.… More >

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ARTICLE

O. S. Dahham¹, N. Z. Noriman^1,2,*, H. Jaya¹, R. Hamzah¹, M. U. Umar^2,3, I. Johari⁴
Journal of Renewable Materials, Vol.8, No.12, pp. 1633-1645, 2020, DOI:10.32604/jrm.2020.011377 - 12 November 2020
（This article belongs to the Special Issue: Renewable Polymer Materials and Their Application)
Abstract In this work, Epoxidized natural rubber/sawdust short fiber (ENR-50/ SD) composites at different fiber content (5, 10, 15 and 20 phr) and size (fine size at 60–100 μm and coarse size at 10–20 mm) were prepared using two-roll mill and electrical-hydraulic hot press machine respectively. Curing characteristics, water uptake, tensile, morphological, physical, and thermal properties of the composites were investigated. Results indicated that the scorch time and cure time became shorter whereas torque improved as SD content increase. Though the decline of tensile strength and elongation at break values, modulus, hardness and crosslinking density have More >

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1693

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Yang Ming^1,2,3, Ping Chen^1,2,3,*, Yuanhao Wang^1,2,3,*, Ling Li^1,2,3, Xuandong Chen^1,2,3, Pengliang Sun^1,2,3,4
Journal of Renewable Materials, Vol.8, No.12, pp. 1647-1655, 2020, DOI:10.32604/jrm.2020.011929 - 12 November 2020
Abstract In order to increase use ratio of steel slag solid waste, the concrete containing steel slag powder and zeolite powder as admixtures was prepared by using the orthogonal test method. The effects of water-binder ratio, sand ratio, steel slag powder content and zeolite powder on working properties, mechanical strength and chloride ion permeability of the concrete was studied. It was found that the early strength of the concrete had a decrease with the mixing of steel slag and zeolite powders, but its later strength approached to pure concrete. Moreover, the physical filling and pozzolanic activity More >

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ARTICLE

Yi-Che Hsieh^1,*, Ta-Wui Cheng², Chia-Ho Wu²
Journal of Renewable Materials, Vol.8, No.12, pp. 1657-1670, 2020, DOI:10.32604/jrm.2020.013353 - 12 November 2020
（This article belongs to the Special Issue: Renewable building materials and properties)
Abstract In this study, the feasibility of producing eco-friendly bricks by using geopolymer technology and a waste grinding wheel (WGW) from the grinding wheel industries was investigated. Nowadays, in order to meet industrial needs, for instance, in Taiwan, approximately 500,000 grinding wheels are used annually. That is, a large number of “waste” grinding wheels are produced. Furthermore, few studies have been conducted on the use of WGWs as raw materials in geopolymer applications. The use of geopolymer technology to form bricks can avoid the utilization of clay and cement and even prevent the use of a… More >

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J. Y. Tey^*, W. H. Yeo, Y. J. King, W. O. Ding
Journal of Renewable Materials, Vol.8, No.12, pp. 1671-1680, 2020, DOI:10.32604/jrm.2020.011870 - 12 November 2020
（This article belongs to the Special Issue: Renewable materials for sustainable development)
Abstract Polylactic acid (PLA) bioplastic is a common material used in Fused Deposition Modeling (FDM) 3D printing. It is biodegradable and environmentally friendly biopolymer which made out of corn. However, it exhibits weak mechanical properties which reduced its usability as a functional prototype in a real-world application. In the present study, two PLA composites are created through coextruded with 3K carbon fibres and twisted Kevlar string (as core fibre) to form a fibre reinforced parts (FRP). The mechanical strength of printed parts was examined using ASTM D638 standard with a strain rate of 1 mm/min. It… More >

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Qingwei Liu^1,2, Chunmei Yang^1,2,*, Qian Miao^1,2, Yifan Liu^1,2, Jiuqing Liu^1,*, Wenji Yu³
Journal of Renewable Materials, Vol.8, No.12, pp. 1681-1689, 2020, DOI:10.32604/jrm.2020.012031 - 12 November 2020
（This article belongs to the Special Issue: Polymeric Composites Based on Sustainable Technologies and Renewable Materials)
Abstract Based on the LOM (Laminated Object Manufacturing) process, an inert gas-assisted laser method for wood cutting was proposed. The carbonization degree of wood surface was improved by the introduction of helium (He) gas, and the influence of process parameters on the carbonization layer of wood surface was solved, it was significance to reduce the post-processing of LOM and improve the quality of forming workpiece. The cherry wood veneer was used as the experimental material, under the condition of the same process parameters, the wood was cut with or without inert gas-assisted, and the influence factors… More >

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Wenbei Bi¹, Zengfeng Yan^1,*, Huan Zhao¹, Lixin Sun², Xudong Wang^3,4, Zhengmo Zhang³
Journal of Renewable Materials, Vol.8, No.12, pp. 1691-1710, 2020, DOI:10.32604/jrm.2020.012808 - 12 November 2020
Abstract Murals in Mogao Grottoes consist of three parts: support layer, earthen plasters and paint layer. The earthen plasters play a key role in the preservation of murals. It is a mixture of Dengban soil, sand, and plant fiber. Two different natural fibers, hemp fiber and cotton fiber, were reinforced to earthen plasters in the same percentage to evaluate the influence on hygrothermal performance. The two types of earthen plasters were studied: one containing hemp fiber in the fine plaster (HFP) and the other containing cotton fiber in the fine plaster (CFP). Specific heat capacity, dry… More >

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ARTICLE

Lei Guo^1,2,3, Zi Guan¹, Lixia Guo^1,2,3,*, Weiping Shen¹, Zhilong Xue¹, Pingping Chen¹, Mingru Li¹
Journal of Renewable Materials, Vol.8, No.12, pp. 1711-1727, 2020, DOI:10.32604/jrm.2020.013415 - 12 November 2020
（This article belongs to the Special Issue: Renewable building materials and properties)
Abstract A recycled aggregate (RA) was prepared by crushing and sieving demolished discarded concrete pavements and was subsequently tested and analyzed to determine its various physical properties. On this basis, pervious concrete (PC) mix proportions were designed. Coarse RA particles with sizes of 5–10 and 10–20 mm were selected. Concrete specimens were prepared with a water–cement ratio of 0.3, an aggregate–cement ratio of 4.5, the substitute rates of RA with 0, 25%, 50%, 75% and a single-/double-gap-graded RA mix (mass ratio of particles with sizes of 5–10 mm to particles with sizes of 10–20 mm: 1:1,… More >

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