Pigment & Resin Technology最新文献_第5页

Glucose-lignin-based phenolic resin: an environmentally friendly low-formaldehyde wood adhesive 葡萄糖-木质素基酚醛树脂:环保型低甲醛木材胶粘剂

Pigment & Resin Technology Pub Date : 2023-04-13 DOI: 10.1108/prt-12-2022-0150

Kaiyan Yang, Xiaowu Gong, Lanli Bai, Yun Zhang, Na Zhou

{"title":"Glucose-lignin-based phenolic resin: an environmentally friendly low-formaldehyde wood adhesive","authors":"Kaiyan Yang, Xiaowu Gong, Lanli Bai, Yun Zhang, Na Zhou","doi":"10.1108/prt-12-2022-0150","DOIUrl":"https://doi.org/10.1108/prt-12-2022-0150","url":null,"abstract":"\u0000Purpose\u0000This study aims to prepare a low-formaldehyde and environmentally friendly glucose-lignin-based phenolic resin.\u0000\u0000\u0000Design/methodology/approach\u0000The authors directly used lignin to substitute formaldehyde to prepare lignin-based phenolic resin (LPF) with urea as formaldehyde absorbent. To improve the performance of the adhesive, the biobased glucose was introduced and the modified glucose-LPF (GLPF) was obtained.\u0000\u0000\u0000Findings\u0000The results showed that when the replacing amount of lignin to formaldehyde reached 15 Wt.%, the physical properties of the prepared LPF met the Chinese national standard, and the bonding strength increased by 21.9%, from 0.75 to 0.96 MPa, compared with PF. The addition of glucose boost the performance of wood adhesive, for example, the free phenol content of the obtained GLPF was significantly reduced by 79.11%, from 5.60% to 1.17%, the bonding strength (1.19 MPa) of GLPF increased by 19.3% in comparison to LPF and the curing temperature of GLPF decreased by 13.08%.\u0000\u0000\u0000Practical implications\u0000The low-formaldehyde and environmentally friendly GLPF has higher bonding strength and lower curing temperature, which is profitable to industrial application.\u0000\u0000\u0000Social implications\u0000The prepared GLPF has lower free formaldehyde and formaldehyde emission, which is cost-effective and beneficial to human health.\u0000\u0000\u0000Originality/value\u0000The joint work of lignin and glucose provides the wood adhesive with increased bonding strength, decreased free phenol content and reduced curing temperature.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78972259","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

Guest editorial: Environmental science and sustainable energy: colorants and coatings 客座评论:环境科学和可持续能源:着色剂和涂料

Pigment & Resin Technology Pub Date : 2023-04-11 DOI: 10.1108/prt-05-2023-153

Z. Ranjbar, M. Hosseinnezhad, K. Gharanjig

引用次数: 1

Extraction and identification of anthocyanin from blueberries: effects of ultrasound-/microwave-assisted parameters 蓝莓中花青素的提取与鉴定:超声/微波辅助参数的影响

Pigment & Resin Technology Pub Date : 2023-04-11 DOI: 10.1108/prt-09-2022-0106

Qi Yang, Zhiqiang Feng, R. Zhang, Yunpu Wang, Dengle Duan, Qin Wang, Xiaoyu Zou, Yuhuan Liu

{"title":"Extraction and identification of anthocyanin from blueberries: effects of ultrasound-/microwave-assisted parameters","authors":"Qi Yang, Zhiqiang Feng, R. Zhang, Yunpu Wang, Dengle Duan, Qin Wang, Xiaoyu Zou, Yuhuan Liu","doi":"10.1108/prt-09-2022-0106","DOIUrl":"https://doi.org/10.1108/prt-09-2022-0106","url":null,"abstract":"\u0000Purpose\u0000This study aims to develop a green, economical and efficient ultrasonic-/microwave assisted extraction (UMAE) process for the extraction of anthocyanins.\u0000\u0000\u0000Design/methodology/approach\u0000After optimizing the extraction conditions by response surface methodology, three assays including DPPH, ABTS·+, FRAP were applied to analyze the antioxidant activity of the extracted anthocyanins. The stability under different temperatures, reductant concentrations and pHs was also discussed. The components of anthocyanins in blueberry were analyzed by HPLC-QTOF-MS2.\u0000\u0000\u0000Findings\u0000The optimal extraction parameters were ultrasonic power of 300 W, microwave power of 365.28 W and solid–liquid ratio of 30 (g/mL). The possible structures can be speculated as Delphinidin-3-O-galactoside, Delphinidin, Petunidin, Delphinidin-3-O-glucoside, Petunidin-3-O-glucoside, Cyanidin-3-O-glucoside. The results demonstrated that the UMAE can improve the yield of anthocyanins in shorter extraction time with higher activity.\u0000\u0000\u0000Originality/value\u0000The present study may provide a promising and feasible route for extracting anthocyanins from blueberries and studying their physicochemical properties, ultimately promoting the utilization of blueberry anthocyanins.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80904826","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

Citrate-crosslinked silver nanoparticles impregnation on curcumin-dyed cellulose fabric for potential surgical applications 柠檬酸交联银纳米颗粒浸渍在姜黄素染色纤维素织物上的潜在外科应用

Pigment & Resin Technology Pub Date : 2023-04-11 DOI: 10.1108/prt-10-2022-0117

Saima Habib, Farzana Kishwar, Z. A. Raza, S. Abid

{"title":"Citrate-crosslinked silver nanoparticles impregnation on curcumin-dyed cellulose fabric for potential surgical applications","authors":"Saima Habib, Farzana Kishwar, Z. A. Raza, S. Abid","doi":"10.1108/prt-10-2022-0117","DOIUrl":"https://doi.org/10.1108/prt-10-2022-0117","url":null,"abstract":"\u0000Purpose\u0000This study aims to present a sustainable approach in the natural dyeing of cellulose fabric followed by nanosilver finishing through a green crosslinker of citric acid for potential antibacterial surgical gown fabrication.\u0000\u0000\u0000Design/methodology/approach\u0000The nanosilver finish was reproduced using the chemical reduction method. The fabric dyeing was performed on a lab-scale dyeing machine, whereas silver nano-finishing through a pad-dry-cure approach. Citric acid was used as an eco-friendly crosslinker. The specimens were characterized for antibacterial activity, surface chemical, textile, color properties and finish release trend.\u0000\u0000\u0000Findings\u0000The results demonstrated the successful application of curcumin dye followed by silver nano-finishing. The resultant fabric exhibited appropriate textile, dyeing performance indicators, hydrophobic behavior and sustainable broad-spectrum antibacterial activity.\u0000\u0000\u0000Practical implications\u0000The prepared nanosilver-finished/curcumin-treated fabric expressed desirable properties for potential applications in the fabrication of surgical gowns.\u0000\u0000\u0000Originality/value\u0000The authors found no reports on an extensive examination of nanosilver finishing on the color parameters of curcumin-dyed cellulose fabric while retaining its textile and comfort properties for possible surgical gown fabrication.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"1976 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90258034","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

Eco-friendly polyfunctional ceramic pigments: an approach 环保多功能陶瓷颜料:一种方法

Pigment & Resin Technology Pub Date : 2023-04-11 DOI: 10.1108/prt-04-2022-0038

G. Monrós, M. Llusar, J. Badenes

{"title":"Eco-friendly polyfunctional ceramic pigments: an approach","authors":"G. Monrós, M. Llusar, J. Badenes","doi":"10.1108/prt-04-2022-0038","DOIUrl":"https://doi.org/10.1108/prt-04-2022-0038","url":null,"abstract":"\u0000Purpose\u0000The purpose of this study is the synthesis and characterization of a CMYK palette (cyan of Cr-BiVO4, magenta of Pr-CeO2, yellow of Bi-(Ce,Zr)O2 composite and black of YMnO3) as an eco-friendly polyfunctional palette that combines (a) high near-infrared reflectance (cool pigments) that allows moderate temperatures in indoor environments and the urban heat island effect; (b) photocatalytic activity for the degradation of organic contaminants of emerging concern of substrates in solution (such as Orange II or methylene blue) and gaseous (NOx and volatile organic compounds such as acetaldehyde or toluene); (c) X-ray radiation attenuators associated with bismuth ions; and (d) biocidal effect combined with co-doping with bactericidal agents.\u0000\u0000\u0000Design/methodology/approach\u0000Pigments were prepared by a solid-state reaction and characterized by X-ray diffraction, diffuse reflectance spectroscopy, photocatalytic activity over Orange II and scanning electron microscopy.\u0000\u0000\u0000Findings\u0000The behaviour of the proposed palette was compared to that of a commercial inkjet palette, and an improvement in all functionalities was observed.\u0000\u0000\u0000Social implications\u0000The functionalities of pigments allow the building envelope and indoor walls to exhibit temperature-moderating effects (with the additional effects of moderating global warming and increasing air conditioning efficiency), purification and disinfection of both indoor and outdoor air, and radiation attenuation.\u0000\u0000\u0000Originality/value\u0000The proposed palette and its polyfunctional characterization are novel.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89260435","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

A review on flexible dye-sensitized solar cells as new sustainable energy resources 柔性染料敏化太阳能电池作为新型可持续能源的研究进展

Pigment & Resin Technology Pub Date : 2023-04-05 DOI: 10.1108/prt-01-2022-0010

M. Hosseinnezhad, Z. Ranjbar

{"title":"A review on flexible dye-sensitized solar cells as new sustainable energy resources","authors":"M. Hosseinnezhad, Z. Ranjbar","doi":"10.1108/prt-01-2022-0010","DOIUrl":"https://doi.org/10.1108/prt-01-2022-0010","url":null,"abstract":"\u0000Purpose\u0000The purpose of this paper is to introduce flexible dye-sensitized solar cells (FDSSCs).\u0000\u0000\u0000Design/methodology/approach\u0000In the third generation solar cells, glass was used as a substrate, which due to its high weight and fragility, was not possible to produce continuously. However, in flexible solar cells, flexible substrates are used as new technology. The most important thing may choose a suitable substrate to produce a photovoltaic (PV) device with optimal efficiency.\u0000\u0000\u0000Findings\u0000Conductive plastics or metallic foils are the two main candidates for glass replacement, each with its advantages and disadvantages. As some high-temperature methods are used to prepare solar cells, metal substrates can be used to prepare PV devices without any problems. In contrast to the advantage of high thermal resistance in metals, metal substrates are dark and do not transmit enough light. In other words, metal substrates have a high loss of photon energy. Like all technologies, PV devices with polymer substrates have technical disadvantages.\u0000\u0000\u0000Practical implications\u0000In this study, the development of FDSSCs offers improved photovoltaic properties.\u0000\u0000\u0000Social implications\u0000The most important challenge is the poor thermal stability of polymers compared to glass and metal, which requires special methods to prepare polymer solar cells. The second important point is choosing the suitable components and materials for this purpose.\u0000\u0000\u0000Originality/value\u0000Dependence of efficiency and performance of the device on the angle of sunlight, high-cost preparation devices components, limitations of functional materials such as organic-mineral sensitizers, lack of close connection between practical achievements and theoretical results and complicated fabrication process and high weight.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"58 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77838326","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

The encapsulation efficiency of zircon pigments from robust solids to clear solutions 锆石颜料从坚固固体到透明溶液的封装效率

Pigment & Resin Technology Pub Date : 2023-03-29 DOI: 10.1108/prt-12-2022-0147

Shan Peng, Ranran Yang, B. Lei, Yun Gao, Renhua Chen, X. Xia, K. Homewood

{"title":"The encapsulation efficiency of zircon pigments from robust solids to clear solutions","authors":"Shan Peng, Ranran Yang, B. Lei, Yun Gao, Renhua Chen, X. Xia, K. Homewood","doi":"10.1108/prt-12-2022-0147","DOIUrl":"https://doi.org/10.1108/prt-12-2022-0147","url":null,"abstract":"\u0000Purpose\u0000This paper aims to systematically demonstrate a methodology to determine the relative and absolute encapsulation efficiencies (αRe and αAb) for thermally- and chemically-robust inorganic pigments, typically like ZrSiO4-based pigments, thereby enhancing their coloring performance.\u0000\u0000\u0000Design/methodology/approach\u0000The authors designed a route, surplus alkali-decomposition and subsequently strong-acid dissolution (SAD2) to completely decompose three classic zircon pigments (Pr–ZrSiO4, Fe2O3@ZrSiO4 and CdS@ZrSiO4) into clear solutions and preferably used inductively coupled plasma-optical emission spectrometry (ICP-OES) to determine the concentrations of host elements and chromophores, thereby deriving the numeric data and interrelation of αRe and αAb.\u0000\u0000\u0000Findings\u0000Zircon pigments can be thoroughly decomposed into some dissoluble zirconate–silicate resultants by SAD2 at a ratio of the fluxing agent to pigment over 6. ICP-OES is proved more suitable than some other quantification techniques in deriving the compositional concentrations, thereby the values of αRe and αAb, and their transformation coefficient KRA, which maintains stably within 0.8–0.9 in Fe2O3@ZrSiO4 and CdS@ZrSiO4 and is slightly reduced to 0.67–0.85 in Pr–ZrSiO4.\u0000\u0000\u0000Practical implications\u0000The SAD2 method and encapsulation efficiencies are well applicable for both zircon pigments and the other pigmental or non-pigmental inhomogeneous systems in characterizing their accurate composition.\u0000\u0000\u0000Originality/value\u0000The authors herein first proposed strict definitions for the relative and absolute encapsulation efficiencies for inorganic pigments, developed a relatively stringent methodology to determine their accurate values and interrelation.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91047412","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

Preparation of fluorine and silicon modified cationic acrylic resin and its application in cathodic electrodeposition coatings 氟硅改性阳离子丙烯酸树脂的制备及其在阴极电沉积涂料中的应用

Pigment & Resin Technology Pub Date : 2023-03-28 DOI: 10.1108/prt-08-2022-0096

Zheqing Gong, Lijun Chen

{"title":"Preparation of fluorine and silicon modified cationic acrylic resin and its application in cathodic electrodeposition coatings","authors":"Zheqing Gong, Lijun Chen","doi":"10.1108/prt-08-2022-0096","DOIUrl":"https://doi.org/10.1108/prt-08-2022-0096","url":null,"abstract":"\u0000Purpose\u0000Fluorinated silicon polymers are expected to be adopted in specific coatings to afford outstanding advantages, such as high chemical and photochemical resistance, low surface tension and low refractive index. The modified acrylate resin is prepared via solution polymerization of fluorine and silicon monomers, acrylate monomers and other functional monomers. The purpose of this paper is that the fluorine and silicon monomers such as vinyltriethoxysilane (VTES) and hexafluorobutyl methacrylate (HFMA) and some cheap monomers such as styrene are used to prepare the cationic acrylic resin.\u0000\u0000\u0000Design/methodology/approach\u0000The fluorine and silicon modified cationic acrylic resin is prepared via solution polymerization technology, which uses butyl acrylate (BA), methyl methacrylate (MMA), styrene (St), HFMA, VTES, dimethylaminoethyl methacrylate (DMAEMA) and hydroxypropyl methacrylate (HPMA) as the co-polymerized monomers, propylene glycol monomethyl ether (PGME) as solvent and 2,2-Azo-bis-iso-butyronitrile (AIBN) as the initiator to create a resin to introduce the Si–O and C–F into the polymer chains. The cathodic electrodeposition (CED) coatings were prepared by mixing the synthetic resin and blocked isocyanate.\u0000\u0000\u0000Findings\u0000The influence of the amounts of HFMA and VETS on the resin and the resultant CED coatings is investigated in detail. The optimum amounts of HFMA and VETS are obtained, which is 7–8% and 4–5%, respectively. The hydrophobicity and the acid and alkaline resistance of the film are improved when VETS and HFMA are introduced to co-polymerize with other monomers.\u0000\u0000\u0000Originality/value\u0000The fluorine and silicon monomers such as VTES and HFMA and some cheap monomers such as styrene, which are used to prepare the cationic acrylic resin, are seldom reported in the open literature.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"108 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90643670","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

Eco-friendly tiles: fabrication and testing of composite tile made from industrial gypsum wastes 环保瓷砖:用工业石膏废料制成的复合瓷砖的制造和测试

Pigment & Resin Technology Pub Date : 2023-03-20 DOI: 10.1108/prt-10-2022-0118

Emad S. Shafik, N. Rozik, N. Youssef, S. Abd-El-Messieh

{"title":"Eco-friendly tiles: fabrication and testing of composite tile made from industrial gypsum wastes","authors":"Emad S. Shafik, N. Rozik, N. Youssef, S. Abd-El-Messieh","doi":"10.1108/prt-10-2022-0118","DOIUrl":"https://doi.org/10.1108/prt-10-2022-0118","url":null,"abstract":"\u0000Purpose\u0000The purpose of this study is to utilize two types of gypsum mold wastes from two different factories as novel and economical reinforcing fillers for composites that may be useful for building materials and floors. Two types of gypsum mold wastes from two different factories as raw materials were incorporated into linear low density polyethylene (LLDPE) aiming to get rid of that waste in one hand and obtaining useful economical composites suitable for building materials and floors.\u0000\u0000\u0000Design/methodology/approach\u0000Composites were prepared from two types of gypsum mold wastes substituted with different ratios from raw gypsum and LLDPE throughout the melt blending technique. The physico-mechanical and electrical investigations in addition to the morphology of the composites were included.\u0000\u0000\u0000Findings\u0000The mechanical results illustrate that substituting commercial gypsum with gypsum mold waste positively affects tensile strength, flexural strength and hardness shore D for the LLDPE composites. The tensile strength increased from 5 MPa for LLDPE filled with commercial gypsum as blank samples to 11.2 and 13.2 MPa for LLDPE filled with D and S waste. Also, electrical properties which include both permittivity ɛ′ and dielectric loss ɛ″ increased with increasing the waste content in the LLDPE matrix. In addition to the electrical conductivity values, σ lies in the order of insulation materials. Consequently, it is possible to produce materials with a gypsum matrix by adding industrial waste, improving the behavior of the traditional gypsum and enabling those composites to be applied in various construction applications as eco-friendly tiles.\u0000\u0000\u0000Originality/value\u0000This study aims to prepare eco-friendly composites based on LLDPE and waste gypsum mold to preserve resources for the coming generations, other than lowering the environmental footprint and saving the costs of getting rid of it.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74020148","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

Natural dyeing of silk and jute fabric with the aqueous extract of coconut leaves – an eco-friendly approach 天然染色丝绸和黄麻织物与椰子叶的水提取物-一个环保的方法

Pigment & Resin Technology Pub Date : 2023-03-07 DOI: 10.1108/prt-10-2022-0125

Shahin Hossain, M. Jalil, Rois U Mahmud, A. Kader

{"title":"Natural dyeing of silk and jute fabric with the aqueous extract of coconut leaves – an eco-friendly approach","authors":"Shahin Hossain, M. Jalil, Rois U Mahmud, A. Kader","doi":"10.1108/prt-10-2022-0125","DOIUrl":"https://doi.org/10.1108/prt-10-2022-0125","url":null,"abstract":"\u0000Purpose\u0000In recent years, natural dyes have attracted significant attention globally because of growing public awareness of the environment and health hazards associated with synthetic dyes. Natural dyes can provide special aesthetic qualities as well as the ethical significance of a product which is environmentally friendly. By keeping this burning issue in mind, this study aims to explore the dyeing properties of various unexplored environmentally friendly natural dyes.\u0000\u0000\u0000Design/methodology/approach\u0000In this study, the aqueous extract of coconut leaves is used for dyeing purpose. The silk and jute fabrics were dyed with the extract alone as well as in combination with metal salts as mordants by employing pre-, meta- and postmordanting techniques. The dyeing properties of the colored samples were evaluated by measuring their color strength; CIEL*a*b* values; and color fastness to washing, light and rubbing.\u0000\u0000\u0000Findings\u0000A yellow shade was achieved when the fabric samples were dyed solely with the extract. However, shade variations were observed when different mordants and mordanting techniques were applied. In all the cases, metallic salts improved the color fastness properties of dyed samples to washing, light and rubbing especially for the silk fabric.\u0000\u0000\u0000Originality/value\u0000To the best of the authors’ knowledge, this is the first report on a natural dye extracted from the leaves of coconut. Leaf as the source of dye has added an extra advantage, as it is reproducible and can be collected easily without harming the plants. The reported dye could be an attractive choice for sustainable and eco-friendly dyeing.\u0000","PeriodicalId":20147,"journal":{"name":"Pigment & Resin Technology","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78355451","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

Pigment &amp; Resin Technology最新文献

Pigment & Resin Technology最新文献