Dawu Shu, Shaolei Cao, Yan Zhang, Wanxin Li, Bo Han, Fangfang An, Ruining Liu
{"title":"Sustainable cotton dyeing with reactive dyes in the recycled dyeing wastewater","authors":"Dawu Shu, Shaolei Cao, Yan Zhang, Wanxin Li, Bo Han, Fangfang An, Ruining Liu","doi":"10.1108/prt-09-2023-0082","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0082","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to find a suitable solution to degrade the C.I. Reactive Red 24 (RR24) dyeing wastewater by using sodium persulphate to recycle water and inorganic salts.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The effects of temperature, the concentration of inorganic salts and Na<sub>2</sub>CO<sub>3</sub> and the initial pH value on the degradation of RR24 were studied. Furthermore, the relationship between free radicals and RR24 degradation effect was investigated. Microscopic routes and mechanisms of dye degradation were further confirmed by testing the degradation karyoplasmic ratio of the product. The feasibility of the one-bath cyclic dyeing in the recycled dyeing wastewater was confirmed through the properties of dye utilization and color parameters.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The appropriate conditions were 0.3 g/L of sodium persulphate and treatment at 95°C for 30 min, which resulted in a decolorization rate of 98.4% for the dyeing wastewater. Acidic conditions are conducive to rapid degradation of dyes, while ·OH or SO<sub>4</sub><sup>−</sup>· have a destructive effect on dyes under alkaline conditions. In the early stage of degradation, ·OH played a major role in the degradation of dyes. For sustainable cyclic dyeing of RR24, inorganic salts were reused in this dyeing process and dye uptake increased with the times of cycles. After the fixation, some Na<sub>2</sub>CO<sub>3</sub> may be converted to other salts, thereby increasing the dye uptake in subsequent cyclic staining. However, it has little impact on the dye exhaustion rate and color parameters of dyed fabrics.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The recommended technology not only reduces the quantity of dyeing wastewater but also enables the recycling of inorganic salts and water, which meets the requirements of sustainable development and clean production.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"295 2 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139663857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Reasmy Raj, Amirul Syafiq, Vengadaesvaran Balakrishnan, Shakeel Ahmad, Nasrudin Abd Rahim, Pouya Hassandarvish, Sazaly Abu Bakar, A.K. Pandey
{"title":"Synthesis of polymer-based antiviral coating using polyethylene glycol (PEG) and acrylic resin as binder","authors":"Reasmy Raj, Amirul Syafiq, Vengadaesvaran Balakrishnan, Shakeel Ahmad, Nasrudin Abd Rahim, Pouya Hassandarvish, Sazaly Abu Bakar, A.K. Pandey","doi":"10.1108/prt-08-2023-0070","DOIUrl":"https://doi.org/10.1108/prt-08-2023-0070","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to fabricate a polymer-based polyethylene glycol (PEG) coating with acrylic resin as a binder that can show antiviral activity against the feline coronavirus (FCov) on the glass substrate.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The PEG/acrylic coating systems of different weight percentages were coated on the glass substrates using the spray-coating method and cured at room temperature for 24 h.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The coating system containing 20 Wt.% of PEG exhibits the highest antiviral activities as high as 99.9% against FCov compared with other samples.</p><!--/ Abstract__block -->\u0000<h3>Research limitations/implications</h3>\u0000<p>Findings will be useful in the development of antiviral coating for PPE fabrics by using the simple synthesis method.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>Application of PEG as an antiviral agent in the antiviral coating system with high antiviral activities about 99.9%.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"46 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139645902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of isobornyl acrylate and hexanediol diacrylate on the properties of UV-curable resin developed from suberic acid-derived polyester polyol","authors":"Umesh Mahajan, S.T. Mhaske","doi":"10.1108/prt-09-2023-0084","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0084","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to focus on how reactive diluents with mono- and di-functionalities affect the properties of resin formulation developed from bioderived precursors. A hydroxyethyl methacrylate (HEMA) terminated urethane acrylate oligomer was synthesized and characterized to study its application in stereolithography 3D printing with different ratios of isobornyl acrylate and hexanediol diacrylate.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Polyester polyol was synthesized from suberic acid and butanediol. Additionally, isophorone diisocyanate, polyester polyol and HEMA were used to create urethane acrylate oligomer. Fourier transform infrared spectroscopy and <sup>1</sup>H NMR were used to characterize the polyester polyol and oligomer. Various formulations were created by combining oligomer with reactive diluents in concentrations ranging from 0% to 30% by weight and curing with ultraviolet (UV) radiation. The cured coatings and 3D printed specimens were then evaluated for their properties.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The findings revealed an improvement in thermal stability, contact angle value, tensile strength and surface properties of the product which indicated its suitability for use as a 3D printing material.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This study discusses how oligomers that have been cured by UV radiation with mono- and difunctional reactive diluents give excellent coating characteristics and demonstrate suitability and stability for 3D printing applications.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"13 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139646187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seda Aygül, Serkan Yılmazsönmez, Arzu Soyalp, Ayse Aytac
{"title":"Investigation of TiO2 replacement alternatives for water-based paints using styrene butyl acrylate","authors":"Seda Aygül, Serkan Yılmazsönmez, Arzu Soyalp, Ayse Aytac","doi":"10.1108/prt-12-2023-0110","DOIUrl":"https://doi.org/10.1108/prt-12-2023-0110","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>Titanium dioxide (TiO<sub>2</sub>) has high opacity, high brightness and whiteness, owing to its high refractive index value. It is mainly used in the coating industry and continuous efforts have been made to replace some of the TiO<sub>2</sub> in paint with new pigments. This study aims to replace part of TiO<sub>2</sub> pigment with various percentages of BaSO<sub>4</sub>, CaCO<sub>3</sub> and kaolin in styrene butyl acrylate-based paint formulations, without changing the properties of paints using only titanium dioxide.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>To determine the optimum use rate of new pigment mixing, opacity, gloss, scrub resistance and weather resistance properties have been investigated in the water-based paint formulation. The morphological properties of these samples were examined by scanning electron microscopy analysis.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>In the total color change (ΔE) measurements, it was observed that the sample coded 85Ti/15Ba produced extremely similar results to the situation when TiO<sub>2</sub> was used alone. It was seen that the best results were obtained when 85Ti/15Ba was used instead of TiO<sub>2</sub>.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>Comparison research on the impact of replacing TiO<sub>2</sub> with BaSO<sub>4</sub>, CaCO<sub>3</sub> and kaolin on the performance characteristics of water-based styrene butyl acrylate-based paint formulations has not been done in the literature, according to the literature search.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"190 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139559256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gobikannan Tamilmani, Venkhatesan D., Santhosh P., Tamilselvan M., Suryappa Jayappa Pawar, Amin Hirenbhai Navinbhai
{"title":"Multifunctional finishes on photochromic microcapsule-printed cotton fabrics using titanium oxide nanoparticles","authors":"Gobikannan Tamilmani, Venkhatesan D., Santhosh P., Tamilselvan M., Suryappa Jayappa Pawar, Amin Hirenbhai Navinbhai","doi":"10.1108/prt-09-2023-0079","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0079","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This paper aims to study the combination of photochromic microcapsules, which use the ultraviolet (UV) rays for colour changing phenomena, and titanium oxide (TiO<sub>2</sub>) nanoparticles (NPs), which block the UV rays by their photocatalytic activity in the sunlight on the cotton fabric.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>The TiO<sub>2</sub> NPs mixed with photochromic printing paste are used for coating on cotton fabric and further curing is performed in a one-step process. The photochromic pigment printed fabric impregnated in a liquid solution is processed in a two-step process with two variables such as 1% TiO<sub>2</sub> and 2% TiO<sub>2</sub>. The characterization of samples was done with a UV transmittance analyser, surface contact angle, antimicrobial test and fabric physical properties.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The UV protection of TiO<sub>2</sub>-treated photochromic printed fabric was high and gives the ultraviolet protection factor rating of 2,000 which denotes almost maximum blocking of UV rays. The antibacterial activity of the one-step samples shows the highest 36 mm zone of inhibition (ZOI) against <em>S. aureus</em> (gram-positive) and 32 mm ZOI against <em>E. coli</em> (gram-negative) bacteria. The one-step sample shows the highest static water contact angle of 118.6° representing more hydrophobicity, whereas the untreated fabric is fully wetted (0.4°). In two-step processes, as the concentration of TiO<sub>2</sub> increased, the antibacterial activity, UV blocking and hydrophobicity became better.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>This work achieves the multifunctional finishes by using photochromic microcapsules and NPs in a single process as a first attempt. The results inferred that one-step sample has achieved higher values in most of the tests conducted when compared to all other sample.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"81 1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139421374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fabrication of thermal insulation sodium alginate/SiO2 composite aerogel with superior radiative cooling function for firefighting clothing","authors":"Qing Jiang, Yuhang Wan, Xiaoqian Li, Xueru Qu, Shengnan Ouyang, Yi Qin, Zhenyu Zhu, Yushu Wang, Hualing He, Zhicai Yu","doi":"10.1108/prt-11-2023-0102","DOIUrl":"https://doi.org/10.1108/prt-11-2023-0102","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to evaluate the thermal performance of sodium alginate (SA) aerogel attached to nano SiO<sub>2</sub> and its radiative cooling effect on firefighting clothing without environmental pollution.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>SA/SiO<sub>2</sub> aerogel with refractory heat insulation and enhanced radiative cooling performance was fabricated by freeze-drying method, which can be used in firefighting clothing. The microstructure, chemical composition, thermal stability, and thermal emissivity were analyzed using Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetric analyzer and infrared emissivity measurement instrument. The radiative cooling effect of aerogel was studied using thermal infrared imager and thermocouple.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>When the addition of SiO<sub>2</sub> is 25% of SA, the prepared aerogel has excellent heat insulation and a high radiative cooling effect. Under a clear sky, the temperature of SA/SiO<sub>2</sub> aerogel is 9.4°C lower than that of pure SA aerogel and 22.1°C lower than that of the simulated environment. In addition, aerogel has more exceptional heat insulation effect than other common fabrics in the heat insulation performance test.</p><!--/ Abstract__block -->\u0000<h3>Research limitations/implications</h3>\u0000<p>SA/SiO<sub>2</sub> aerogel has passive radiative cooling function, which can efficaciously economize global energy, and it is paramount to environment-friendly cooling.</p><!--/ Abstract__block -->\u0000<h3>Practical implications</h3>\u0000<p>This method could pave the way for high-performance cooling materials designed for firefighting clothing to keep maintain the wearing comfort of firefighters.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>SA/SiO<sub>2</sub> aerogel used in firefighting clothing can release heat to the low-temperature outer space in the form of thermal radiation to achieve its own cooling purpose, without additional energy supply.</p><!--/ Abstract__block -->\u0000<h3>Graphical abstract</h3>\u0000<p> </p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"39 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139411713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preparation of polysulfone/sulfonated polysulfone-SiO2 nanofiltration membrane and its performance characterization","authors":"Liangbin Chen, Lihong Zhao, Keren Ding, Kaibo Xu, Xianzhe Tang","doi":"10.1108/prt-10-2023-0096","DOIUrl":"https://doi.org/10.1108/prt-10-2023-0096","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to optimize the preparation conditions and modify the nanofiltration (NF) membranes to prepare high-performance polysulfone/sulfonated polysulfone composite nanofiltration (PSF/SPSF-NF) membranes through interfacial polymerization.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Investigating the impacts of anhydrous piperazine (PIP) concentration, trimesoyl chloride (TMC) concentration and basement membrane type on NF membrane performance, the optimal membrane was prepared. In addition, nano-SiO<sub>2</sub> was added to the active separation layer to modify the NF membranes.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The comprehensive performance of PSF/SPSF-NF membranes was optimized when the concentration of PIP was 0.75 Wt.% and the concentration of TMC was 0.15 Wt.%, at which time the water flux was 66.1 L·m<sup>−2</sup>·h<sup>−1</sup> and the retention rate of Na<sub>2</sub>SO<sub>4</sub> was 98.1%. The comprehensive performance of polysulfone/sulfonated polysulfone-SiO<sub>2</sub> nanofiltration (PSF/SPSF-SiO<sub>2</sub>-NF) membranes was optimized when the blending ratio of nano-SiO<sub>2</sub> to PIP was 2:3, with a pure water flux of 81.9 L·m<sup>−2</sup>·h<sup>−1</sup> and a Na<sub>2</sub>SO<sub>4</sub> retention rate of 95.9%. Compared to polysulfone nanofiltration (PSF-NF) membranes and PSF/SPSF-NF membranes, NF membranes with nano-SiO<sub>2</sub> increased the flux recovery rate by 22.9% and 8.7%.</p><!--/ Abstract__block -->\u0000<h3>Practical implications</h3>\u0000<p>PSF/SPSF-SiO2-NF membrane exhibits excellent antifouling properties.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>There is currently no literature available on the preparation of NF membranes using polysulfone/sulfonated polysulfone (PSF/SPFS) as a substrate. This provides a method for modifying NF membranes, starting with the modification of the basement membrane and then modifying the active separation layer.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"1 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139411761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preparation and performance of self-healing polymer cement-based waterproof coating with ion chelator","authors":"Linghuan Li, Shibin Sun, Ronghua Zhuang, Bing Zhang, Zeyu Li, Jianying Yu","doi":"10.1108/prt-09-2023-0080","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0080","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to develop a polymer cement-based waterproof coating with self-healing capability to efficiently and intelligently solve the building leakage caused by cracking of waterproof materials, along with excellent durability to prolong its service life.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Ion chelators are introduced into the composite system based on ethylene vinyl acetate copolymer emulsion and ordinary Portland cement to prepare self-healing polymer cement-based waterproof coating. Hydration, microstructure, wettability, mechanical properties, durability, self-healing performance and self-healing products of polymer cement-based waterproof coating with ion chelator are investigated systematically. Meanwhile, the chemical composition of self-healing products in the crack was examined.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>The results showed that ion chelators could motivate the hydration of C<sub>2</sub>S and C<sub>3</sub>S, as well as the formation of hydration products (C-S-H gel) of the waterproof coating to improve its compactness. Compared with the control group, the waterproof coating with ion chelator had more excellent water resistance, alkali resistance, thermal and UV aging resistance. When the dosage of ion chelator was 2%, after 28 days of curing, cracks with a width of 0.29 mm in waterproof coating could fully heal and cracks with a width of 0.50 mm could achieve a self-healing efficiency of 72%. Furthermore, the results reveal that the self-healing product in the crack was calcite crystalline CaCO<sub>3</sub>.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>A novel ion chelator was introduced into the composite coating system to endow it with excellent self-healing ability to prolong its service life. It has huge application potential in the field of building waterproofing.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"3 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139396689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Embedding anatase, rutile, and brookite TiO2 nanoparticles to cotton fabric with epoxy silane and comparison of their effects on photodegradation","authors":"Sabiha Sezgin Bozok","doi":"10.1108/prt-09-2023-0077","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0077","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to embed anatase, rutile and brookite TiO<sub>2</sub> nanoparticles (NPs) with different crystal phases into cotton fabrics by epoxy silane and to examine the effect of these applications on the photocatalytic and mechanical properties of the fabric.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>Different aqueous dispersions which contain anatase, rutile and brookite were prepared at three different concentrations (5%, 10% and 15%). These NPs were embedded in cotton fabrics by using GPTS [(3-glycidyloxypropyl) trimethoxysilane]. Characterization tests were performed by scanning electron microscopy (SEM), Raman and Fourier-transform infrared spectroscopy (FT/IR). Samples were stained with methylene blue (MB) and then exposed to solar light for different periods. Color changes of the samples were examined with a spectrophotometer. Air permeability, abrasion and tear strength tests were applied to all samples.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>According to SEM images, the NPs were successfully attached to the cotton fabrics, and epoxy silane coating surrounded the fiber surfaces. The presence of the coating was also confirmed by Raman spectroscopy and FT/IR. The treatments reduced the stainability of the samples. The most effective applications for ensuring photocatalytic activity in cotton fabrics were suspensions as 10% brookite, 10% anatase and 5% anatase, in descending order. The applied coating slightly reduced the samples’ air permeability, and wear and tear strength.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The importance of this study is to determine the optimal crystal phase and its concentration by using epoxy silane to ensure self-cleaning properties on cotton fabrics. The sample treated with 10% brookite is the most approached its original white color by 99.65% as a result of degradation of MB (after 120 min). On the other hand, using the pure rutile with epoxy silane was not suitable for removing MB from the fabric.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"14 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139069282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Manikandaraja G., Pandiyarajan R., Vasanthanathan A., Sabarish S.
{"title":"Experimental exploration of mechanical behaviour of graphene oxide blend polymer nanocomposites","authors":"Manikandaraja G., Pandiyarajan R., Vasanthanathan A., Sabarish S.","doi":"10.1108/prt-09-2023-0078","DOIUrl":"https://doi.org/10.1108/prt-09-2023-0078","url":null,"abstract":"<h3>Purpose</h3>\u0000<p>This study aims to evaluate the development of composites made of epoxy (E) resin with different weight percentages of polypropylene (PP) and graphene oxide (Go) to form nanocomposite plates.</p><!--/ Abstract__block -->\u0000<h3>Design/methodology/approach</h3>\u0000<p>A hand lay-up process was used to develop 21 different composites, with varying concentrations of PP (5%–35%) and Go (5%–35%). A ternary composite of E matrix was produced by combining binary fillers PP and Go (5%–35%) in a 1:1 ratio to a (95%–5%) solution. With the help of adopting the melt condensation deal to extract Go, the modified Hummers method was used to make Go platelets.</p><!--/ Abstract__block -->\u0000<h3>Findings</h3>\u0000<p>Through field emission scanning electron microscopy (FESEM) and X-ray diffraction investigations, the particulate’s size and structural characteristics were identified. Based on the FESEM analysis of the collapsed zones of the composites, a warp-and-weft-like structure is evident, which endorses the growth yield strength, flexural modulus and impact strength of the composites.</p><!--/ Abstract__block -->\u0000<h3>Originality/value</h3>\u0000<p>The developed nanocomposites have exceptional mechanical capabilities compared to plain E resin, with E resin exhibiting better tensile strength, modulus and flexural strength when combined with 10% PP and 10% Go. When compared to neat E resin, materials formed from composites have exceptional mechanical properties. When mixed with 10% PP and 10% Go, E resin in particular displays improved tensile strength (23 MPa), tensile modulus (4.15 GPa), flexural strength (75.6 MPa) and other attributes. Engineering implications include automobile side door panels, spacecraft applications, brake pads and flexible battery guards.</p><!--/ Abstract__block -->","PeriodicalId":20214,"journal":{"name":"Pigment & Resin Technology","volume":"7 1","pages":""},"PeriodicalIF":1.4,"publicationDate":"2023-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138745462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}