CT - TCC - Engenharia Têxtil

URI permanente para esta coleçãohttps://repositorio.ufrn.br/handle/123456789/53394

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Melhoria no fluxo de testes de tingimento reativo realizados em laboratório químico de uma indústria têxtil do Rio Grande do Norte
(Universidade Federal do Rio Grande do Norte, 2026-07-06) Farias, Joselma da Silva; Medeiros, José Ivan de; https://orcid.org/0000-0002-8888-4765; http://lattes.cnpq.br/0875521131771417; Aquino, Marcos Silva de; https://orcid.org/0000-0003-4260-3259; http://lattes.cnpq.br/8780485157382325; Thiago Félix dos Santos; https://orcid.org/0000-0002-0791-2059; http://lattes.cnpq.br/7461005807625025
The reactive dyeing process using the pad-batch method requires strict quality control to ensure color reproducibility and the conformity of textile products. In a textile company, laboratory color reproducibility tests were found to have long execution times and frequent repetitions, resulting in delays in production release and increased machine idle time. In this context, the objective of this study was to analyze and optimize the laboratory testing workflow, reducing response time without compromising the reliability of the results. To achieve this, a time and methods study was conducted, including workflow mapping, identification of the critical test, evaluation of different sample resting times, and validation of the results through visual assessment in a light booth and color fastness to washing tests. The results demonstrated that reducing the sample resting time maintained the color stability of the evaluated samples, significantly decreasing the test execution time. Furthermore, the company started performing the complete color reproducibility test only for critical colors, adopting the drop test for the remaining colors, reducing the evaluation time from approximately 90 minutes to 10 minutes. It was concluded that the implemented improvements increased the efficiency of both the laboratory and the production process, reduced production waiting time, and optimized the quality control process without compromising dyeing quality
Deposição a Plasma por Cilindros Catódicos de dióxido de titânio em algodão
(Universidade Federal do Rio Grande do Norte, 2026-07-02) Aires, Michelle de Medeiros; Feitor, Michelle Cequeira; https://orcid.org/0000-0002-4850-9493; http://lattes.cnpq.br/4011909474871656; https://orcid.org/0000-0002-4383-5804; http://lattes.cnpq.br/0109757587437841; Araújo, Anthunes Íkaro de; https://orcid.org/0009-0007-8181-7280; http://lattes.cnpq.br/1828899248242526; Libório, Maxwel Santana; https://orcid.org/0000-0003-1579-8775
The development of textile biomaterials with antimicrobial and biocompatible properties has attracted growing interest due to the need for new non-pharmacological strategies in light of increasing bacterial resistance. Accordingly, this study aimed to modify cotton fabric through the plasma deposition of titanium dioxide (TiO₂) using cathode cylinders—a recent technique with low environmental impact—to impart antibacterial effects and promote cell growth to the substrate, while analyzing the influence of deposition time on the fabric. Functionalization was performed by depositing TiO₂ onto the cotton fabric for 60 and 120 minutes. The morphological and physicochemical characterization of the samples was performed using scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS), allowing for the evaluation of fiber morphology and confirmation of the incorporation of the TiO₂ coating. Antimicrobial activity was assessed using crystal violet and MTT assays with resistant strains of Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa (KPC+), while biocompatibility was evaluated using the MTT assay with NIH/3T3 murine fibroblasts. The results demonstrated that increasing the deposition time led to greater surface coverage of the fibers and a higher concentration of titanium, thereby reducing biofilm formation and bacterial metabolic activity in both species evaluated. At the same time, the functionalized samples maintained fibroblast metabolic activity, indicating cell proliferation and demonstrating the non-cytotoxic nature of the treatment. The results showed that the functionalization of cotton fabric with TiO₂ promoted a selective biological response that was unfavorable to microorganisms and compatible with cells involved in the healing process. It is concluded that the developed material has potential for biomedical application, constituting a promising alternative for controlling infections and promoting tissue regeneration
Desenvolvimento de nanocompósito à base de tecido de algodão, óxido de grafeno reduzido e poliuretano como potencial de aplicação automobilística
(Universidade Federal do Rio Grande do Norte, 2026-06-26) Oliveira, Beatriz de; Nascimento, Jose Heriberto Oliveira do; Ferreira, Myllena Kely Pereira; http://lattes.cnpq.br/6002504302207735; https://orcid.org/0000-0001-6804-2854; http://lattes.cnpq.br/7033735079037677; Galvão, Felipe Mendonça Fontes; https://orcid.org/0000-0002-6734-6968; http://lattes.cnpq.br/9200627955403246; Santos, Thiago Félix dos; https://orcid.org/0000-0002-0791-2059; http://lattes.cnpq.br/7461005807625025
The automotive industry is constantly seeking advanced materials that can enhance safety, efficiency, and comfort. In this context, this study aims to develop and evaluate the properties of a reduced graphene oxide (RGO)/polyurethane (PUR) nanocomposite applied to a 100% cotton twill fabric for automotive use, employing a 2³ factorial design. The independent variables analyzed in the process were the mass of reduced graphene oxide (RGO), heat-setting temperature, and time. The samples were characterized via thermal analysis (TG/DSC). Microstructural analyses of GO, RGO, and the nanocomposites were also performed using XRD and FTIR techniques. The results demonstrated that the optimized condition (0.100 g of RGO, 130 °C, and 60 s) increased the maximum degradation temperature from approximately 395 °C to 408 °C (≈3.3%), indicating superior thermal resistance of the nanocomposite compared to the uncoated cotton fabric. It is concluded that RGO is an emerging 2D material for the development of nanocomposites with potential application in the automotive industry
Aplicação de tecnologias da indústria 4.0 na gestão da produção têxtil: uma revisão bibliográfica
(Universidade Federal do Rio Grande do Norte, 2026-06-10) Moura, Camila de Araújo; Silva, Dany Geraldo Kramer Cavalcanti e; Galvão, Felipe Mendonça Fontes; Limão, Ilmara Pinheiro; Felipe, Brenno Henrique Silva
The textile faces challenges in the quality management, as a result of reliance on manual inspection conventional methods, which are very vulnerable to human failure. The insertion of Industry 4.0 technologies arises as a driver capable of optimizing production processes and operating income. The purpose of this study is to carry out a bibliographic research to display the impact of the Industry 4.0 on textile production management. The methodology consists of a survey of scientific texts published between 2021 and 2026 found in the Scopus platform. A screening resulted in selecting 13 papers that approach predictive analysis and real-time automated defect detection. The text corpus analysis was carried out in the Iramuteq software through the Zipf diagram, word cloud and similitude analysis, proving the connection between the terms “textile”, “fabric”, “industry” and “quality”. The main findings emphasize that the proposed models overcome human limitations and optimize quality management in the textile. It is concluded that technological advances tend to lead to the development of more accessible technological solutions, both intellectually and financially. This evolution benefits the inclusive modernization to small and medium-size industries, overcoming high cost and skills shortage difficulties.
Desenvolvimento e caracterização de tecido 100% algodão funcionalizado com nanopartículas de prata e argila montmorilonita via coating
(Universidade Federal do Rio Grande do Norte, 2025-12-10) Nobre, Fernanda Cristiely da; Silva, Íris Oliveira da; Silva, Rita Kássia da; Aires, Michelle de Medeiros
Nanotechnology has been advancing the development of functional materials in the textile sector, enabling the incorporation of enhanced properties into conventional fabrics. This study aims to develop and characterize 100% cotton fabrics functionalized with silver nanoparticles (AgNPs) and montmorillonite clay (MMT) using a coating-based printing process. The produced samples undergo structural and chemical characterization, including X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM) coupled with Energy-Dispersive X-ray Spectroscopy (EDS). XRD identifies the characteristic peaks of cellulose and montmorillonite, indicating preservation of the cotton crystalline structure and incorporation of the functional materials. SEM analyses reveal morphological changes consistent with the formation of the coating layer, while EDS confirms the presence of Ag, Si, and Al on the treated surfaces. FTIR verifies the fixation of the acrylic binder through the appearance of the carbonyl band at ~1730 cm⁻¹. The results demonstrate that the coating process acts as an efficient route for the simultaneous anchoring of AgNPs and MMT, providing the fabric with structural characteristics compatible with functional textiles and potential applicability in products that require finish stability and antimicrobial performance.
Avaliação qualitativa do uso de geotêxtil como sistema de antirreflexão de trincas em pavimento asfáltico na BR-427/RN
(Universidade Federal do Rio Grande do Norte, 2025-12-01) Rocha, Beatriz Alves; Medeiros, José Ivan de; França, Fagner Alexandre Nunes de; Cardoso, Raymison Rodrigues
Desenvolvimento e caracterização de filmes biopoliméricos a partir de PVA, sericina da seda e holocelulose extraída da borra do café
(Universidade Federal do Rio Grande do Norte, 2025-12-11) Costa, Amanda do Nascimento; Nascimento, José Heriberto Oliveira do; Ferreira, Myllena Kely Pereira; Santos, Thiago Félix dos; Silva, Rita Kássia da
Upcycling molecular: conversão hidrotermal de efluentes têxteis em pontos quânticos de carbono para novos processos de tingimento
(Universidade Federal do Rio Grande do Norte, 2025-12-09) Cândido, Beatriz Fernandes; Nascimento, José Heriberto Oliveira do; Galvão, Felipe Mendonça Fontes; http://lattes.cnpq.br/9200627955403246; https://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4736373J0&tokenCaptchar=0cAFcWeA6UAuIhY3vqu3fGvgRWGH1Smbr76Gbny0ewZIYvAeHxX9B2JI_U1tl3jLIZptSAN7CScYepz8e9uqWFvekIVK4tQWMGUItTkDT3Ot6PDBFN0UWLhXN31YFrhqCT-6tbAaJUfZ2_6V-P88O-gS_NlsfpYcmbjZc4aMHlie1CZsBFlhPGfDMBTS51LEjH5LqfY7lyWaBBcnpNgmBmRPiSbDT0sEqfXgC5WIY9YN7aPRAtdUOvmamqOZ720HGNE56M6HxHsoHsmueTNJy1BL-OEJ1XO7QJ_lI0inqg2lUVqdSnJtTH5omBcoY04g-JaU-KHuGBk7HHIT1EiD-WaDwq9ngEp0QVXc5FAZ7CiaSXJ979I9PQ1IpCXkS0b2L-bRMg4qomuJC7dXbilY4PYyvlZzSOiqkWkWZhtJrb5-4hyNQtzU57kPgqv1JHwizMJZMZfUJbiYdIPME8OU__Ry6nJirYAsHHPNFA4itRhqSxJoIrqrgb9SDZB0xDXBHMf0jAmihFGjAZs9-HpHh2MA0qfXjblk2epYBZVGabYVxxFWHptwnvWkXgqs6HuxeauVuPlMpnOXa4KQbeQXK7pX8cqupy61x4AwGHWJkY24FqAiBTr77RqLCkWpUL09yGhrqb6EveEtSMBVg5e3dCpzxzA4LbhuWOj3mCzxRYIz3XPvnv1vd69FeLyVYc1VuWvFMZ8kow0WAWFLBD1nZrtwNLbDmKyWfDP4E8dutdekC3apqCxP_0MSy4tOvmdBWYGlufl8YBy0h7on7O94yg2MQyLQczXEi75LqGQolzwVy4lbi1amt4YMVlr9dyIfDVCX9ahgbWBer_; http://lattes.cnpq.br/6243536259585098; Freire, Rogerson Rodrigues; Ferreira, Myllena Kely Pereira
The textile industry has high economic relevance but also a significant negative environmental impact, especially due to intensive water consumption and the generation of effluents containing persistent organic compounds. In this context, this work proposes a sustainable approach for the synthesis and application of nitrogen-doped Carbon Quantum Dots (CQD's) obtained from simple precursors, simulating the effluent from the preparation stage for digital printing. The CQDs were synthesized by a thermochemical method at 160 °C for 2 hours, using citric acid, urea, and formic acid. Subsequently, the resulting pigment was applied to a 100\% cotton textile substrate by exhaustion, with and without the use of auxiliaries, evaluating the immobilization efficiency. The samples were characterized by optical, spectroscopic, and structural techniques, including UV-Vis, FTI-r, XRD, and reflectance spectrophotometry. The results confirm the formation of CQDs with characteristic optical behavior and showed that the use of auxiliaries, such as sodium chloride and sodium carbonate, increases the retention of the nanomaterial in the fabric, raising absorbance values. Structural analysis indicated changes in fiber crystallinity after treatments, while reflectance revealed significant variations in luminosity and hue. It is concluded that the studied route allows for the efficient synthesis of CQD's and their immobilization on cotton without the need for large chemical loads, constituting a sustainable and innovative alternative for the development of photoluminescent textile pigments.
O uso da inteligência artificial na indústria têxtil: mapeamento e tendências de pesquisa por meio da bibliometria
(Universidade Federal do Rio Grande do Norte, 2025-07-07) Ribeiro, Adelson Nunes; Nascimento, José Heriberto Oliveira do; Galvão, Felipe Mendonça Fontes.; Barros, Luciani Paola Rocha Cruz; Silva, Francisco Claudivan da
Estabilização dimensional do tecido com elastano em processo de rama no beneficiamento têxtil: um estudo de caso em uma indústria têxtil
(Universidade Federal do Rio Grande do Norte, 2025-07-10) Silva, Victória Ruama Freitas da; Aquino, Marcos Silva de; 0000-0003-4260-3259; Medeiros, José Ivan de; 0000-0002-8888-4765; Souza, Luiz Guilherme Meira de; 0000-0003-1234-1729
The textile manufacturing process involves transforming raw materials into fabric, which may subsequently be used, in part, for garment production. In the case ofcotton, the production chain comprises the stages of spinning, weaving, and finishing. The properties of de raw material directly influence the final quality of de fabric. Therefore, it is essential to maintain optimal quality control conditions in each stage of the process. Elastane, for instance, exhibits distinct characteristics compared tocotton: it can stretch up to seven times its original length at room temperature and tends to shrink when exposed to high temperatures. During the textile finishing process, defective fabrics were identified with varying widths within the same batch, dimensional stabilization is performed in the stenter machine with heat and tension. In response to this issue, a team was mobilized to conduct a case study aiming tounderstand the defect and identify its root cause, using tools provided by Lean Manufacturing. Test were conducted and pointed to a mechanical defect in the stenter machine asthe likely cause of the width variation: the chains were misaligned. The dimensional stabilization process depends directly on the fabric’s dwell time in the machine andthe proper adjustment of chain tension. After standardizing the machine settings, the results indicated that the root cause hadbeen correctly identified, as fabrics processed under the same parameters no longer exhibited the defect. It was therefore concluded that the misalignment of the chains was the root cause ofthe issue. The finding highlighted the importance of standardization as part of preventive maintenance procedures. Moreover, it was demonstrated that in addition to temperature and speed, the tension applied to the fabric is also a crucial factor inachieving dimensional stabilization during the finishing process.
Aplicação do método TRF em uma indústria de confecção têxtil: estudo de setup durante a troca de produto
(Universidade Federal do Rio Grande do Norte, 2025-06-26) Cândido, Eduardo Nunes; Fonseca, Viviane Muniz; Limão, Ilmara Pinheiro; http://lattes.cnpq.br/3940734079084103; http://lattes.cnpq.br/1977121411791179; https://orcid.org/0009-0008-2963-9058; http://lattes.cnpq.br/4856502703743608; Cruz, Luciani Paola Rocha; http://lattes.cnpq.br/7350527762559801
The textile industry is one of the pillars of the global economy and is facing growing challenges to remain competitive in a market characterized by constant evolution and high consumer demand. Therefore, the search for greater production efficiency, reduction of operating costs, and the need to attend to increasingly demanding delivery times are priority issues for companies in the sector, especially in the clothing segment. Thus, the use of management tools such as “Single minute exchange of die” (SMED) has been applied in order to minimize product replacement on an industrial production line. This study evaluated the application of the Rapid Tool Change (RTS) methodology to the setup process in a small production unit in the textile industry, with the aim of reducing downtime and optimizing production efficiency. The implementation of TRF involved separating activities between internal and external, as well as standardizing processes and training staff, in order to result in significant improvements in productivity, operational flexibility, and cost reduction. The results obtained in this work showed that the application of the TRF led to an increase in responsiveness to market demands, as well as contributing to the creation of a culture of continuous improvement and sustainability in the manufacturing environment, thus highlighting the relevance of innovative practices in the production context through the application of management tools.
Projeto e construção de urdideira portátil para tear artesanal
(Universidade Federal do Rio Grande do Norte, 2025-01-17) Oliveira Júnior, Geraldo Juliao de; Fonseca, Viviane Muniz; Medeiros, Jose Ivan de; Lima, Pedro Thiago de
Nowadays, the process of warping yarn for weaving is an industrial process with robust machines that require a lot of space, time, and specialized workers. The idea behind this project is to make it feasible to produce a manual, semi-automated warping machine on a laboratory scale that can be attached to a handloom. This type of equipment in the form in which it was designed does not exist on the market for sale, and those that do exist are very rudimentary. In this way, the project presented here is an innovation in the textile area of the highest importance, especially for industries that work in cooperatives and the like, where small craftspeople who work manually can not only improve the quality of their products but also their productivity, since the time taken to prepare the warp is minimal when considering the time taken to carry out this process by hand.
Adsorção de corantes ácidos tricrômicos utilizando óxido de grafeno reduzido obtido de resíduos sólidos de algodão
(Universidade Federal do Rio Grande do Norte, 2025-01-20) Wanderley, Pedro Vinícius Nóbrega; Nascimento, José Heriberto Oliveira do; Cabral, Rivaldo Leonn Bezerra; 0000-0002-9775-5818; http://lattes.cnpq.br/3591068130183817; 0000-0001-6804-2854; http://lattes.cnpq.br/7033735079037677; 0009-0004-3260-7322; https://lattes.cnpq.br/3140649904670117; Silva, Rita Kassia da; 0000-0002-6226-0049; http://lattes.cnpq.br/8964549885894427; Félix, Bruna Raquel Bezerra; http://lattes.cnpq.br/6948837630126052; Ferreira, Myllena Kely Pereira; 0000-0002-0540-2127; http://lattes.cnpq.br/6002504302207735; Jesus, Lucas Antonio da Silva de
The textile industry faces important challenges related to the generation of liquid waste, mainly due to the treatment applied to effluents generated from the dyeing process using dyes. These inputs have high solubility in water and chemical stability, which makes them difficult to remove using conventional treatment methods. In this context, this work presents an ecological approach in the adsorption of a combination of trichromic acid dyes with the adsorbent reduced graphene oxide (rGO) obtained from cellulosic biomass (rGO-BIO) of cotton fiber waste. The rGO-BIO was characterized by different techniques including HRTEM, Raman, XRD, FTIR, BET and Zeta Potential analysis, which confirmed its structural and chemical properties developed for the adsorption process. The study investigated the impact of variables such as pH, contact time, temperature, adsorbent mass and adsorbent concentration on the performance of the adsorption process. The analyses were performed under a wide range of conditions: solution concentrations from 20 to 200 mg/L, pH ranging from 1 to 12, adsorbent mass from 50 to 200 mg, contact times between 0 and 200 minutes and temperatures from 20 at 60°C. The kinetic model that best suited the reaction was the pseudo-second order with R2 greater than 0.997 and K2 = 0.148 (g/mg min). At the end of the processes, it was established that the ideal parameters for this adsorption were: solution concentrations 50 mg/L, pH 1.5, adsorbent mass of 200 mg, contact times 120 minutes, achieving an initial removal of 97%. in the first 20 min of reaction, to reach equilibrium, stirring speed of 200 rpm, and temperatures of 20 °C. The effective removal of trichrome of acid dyes from synthetic effluents demonstrates the promising potential of this adsorbent derived from industrial cotton waste, presenting itself as an ecologically more sustainable alternative in relation to the synthesis of other materials used to remove this type of contaminant.
As cores no ambiente laboral: impacto nas emoções, saúde, bem-estar e produtividade dos trabalhadores
(Universidade Federal do Rio Grande do Norte, 2025-01-17) Silva, Patrícia Layne Nere da; Bezerra, Clovis de Medeiros; Felipe, Maria Gorete; Veríssimo, Silvagner Adolpho
This study analyzed the relationship between colors and various aspects of the work environment, such as emotions, health and productivity. The review of recent scientific articles showed that colors have a significant impact on workers, and can positively or negatively influence their well-being and performance. Warm colors, such as red, stimulate energy but can cause irritability, while cool colors, such as blue, promote calm and concentration. The research also highlighted the importance of combining colors with natural elements and of workers' participation in choosing the colors of the environment. The review concluded that the appropriate choice of colors can optimize the work environment, increasing employee satisfaction and productivity. However, the research identified the need for further studies to deepen the understanding of the complexity of the relationship between colors and human behavior in the work context.
Análise das condições de trabalho no setor têxtil: estudo multicaso em Ceará-Mirim/RN, Brasil
(Universidade Federal do Rio Grande do Norte, 2025-01-09) Lima, Izamara do Nascimento; Silva, Dany Geraldo Kramer Cavalcanti e; Galvão, Felipe Mendonça Fontes; Cabral, Rivaldo Leonn Bezerra; Sousa, Anésio Mendes de
Working conditions in textile factories can be caused by several factors that vary according to the region, with repetitive exercises, non-air-conditioned environments, exposure to airborne particles (fibrils), as well as alarming noise levels, low efforts and long working hours being observed. Thus, the objective of this study was to analyze the working conditions of three textile factories located in Ceará-Mirim/RN. This is an exploratory, multi-case and longitudinal survey study, through the application of a questionnaire with 94 local employees and observational analysis of working conditions. The data were tabulated and analyzed using Sigmaplot software, version 15.0, through descriptive and inferential analysis using Spearman's transparency. It was observed that the majority of participants were women (77.66%); aged over 38 years (72.34%); with high school education (57.45%) and salary income of up to 01 minimum wage (97.87%). Of the main workload, sewing corresponds to (79.79%), the majority (62.77%) do not use Personal Protective Equipment (PPE). 72.34% mentioned knowing the occupational risks of their activity, the most frequent being noise (92.75%); textile fibrils (84.04%); repetitive tasks (88.30%) and tiring ergonomic positions (95.74%). 58.51% mentioned the need for improvement in the physical environment. In Spearman's transparency, a significant relationship was observed (p≤0.05) between the variable education and: knowledge of risks (ρ = 0.211); exposure to fibrils (ρ = 0.180); training (ρ = 0.261) and stress (ρ = -0.457). Time in the company was related to stress (ρ = 0.299) and training was related to knowledge of risks (ρ = 0.233). The results observed in the study allow us to infer that the interviewees are aware of the risks involved in their work activities, although they are not accustomed to using PPE. We found that the workers work long hours, have to work in repetitive positions and perform repetitive exercises. In addition, they mentioned the need for improvements in wages and the physical environment.
A influência da luz, cor, figurino e personagem do entretenimento nas vendas do mercado de têxteis licenciados
(Universidade Federal do Rio Grande do Norte, 2023-10-27) Pessoa, Heloísa Rodrigues da Silva; Bezerra, Clovis de Medeiros; Felipe, Maria Gorete; Maurício, Larissa Paula Alves
This work investigates the relationship between the entertainment industry and the textile clothing market, focusing on the costumes used by characters in different media and their interaction with light, color and the fashion world. Through a qualitative research based on a literature review of articles published between 2010 and 2023, the study demonstrates that there is an association between the entertainment and fashion industries, which generates an emotional impact on the individual and their social culture, creating a dynamic cycle of influence and innovation in the clothing industry. The work also analyzes how the textile industry explores this association to develop fashion collections inspired by, protected by industrial and intellectual property rights, that stimulate the demand for licensed clothing pieces. Finally, it discusses the role of costumes of iconic characters from the entertainment universe in shaping the clothing market and their influence on consumers, highlighting the importance of licensed fashion as a profitable and competitive segment in the industry. This market in Brazil is composed of 45 million loyal, diversified and financially independent consumers, willing to spend 40% more than the national average consumption on textile products.
Aplicações da tecnologia 3D na inovação e desenvolvimento de materiais têxteis
(Universidade Federal do Rio Grande do Norte, 2025-01-17) Barbosa, Allan Matheus Silva; Bezerra, Clóvis de Medeiros; https://lattes.cnpq.br/4530339382157830; Felipe, Maria Gorete; Verissímo, Silvagner Adolpho
This work, a systematic review of the scientific literature published between 2019 and 2024, investigates the impact of 3D printing technology on the textile industry. The analysis encompassed the contributions of additive manufacturing across several dimensions, including product design, functionality, sustainability, and personalization. The study explored the principles of 3D printing and its main methods—Fused Deposition Modeling (FDM), Selective Laser Sintering (SLS), Direct Ink Writing (DIW), Stereolithography (SLA), and Digital Light Processing (DLP)—as well as the materials most commonly employed in textile production. The analysis detailed the advancements enabled by the technology, such as innovation in design, enhanced fabric functionality, optimization of production efficiency, waste reduction, and transformation of sectors like fashion and technical textiles production. The study also evaluated the potential of 3D printing for more sustainable production, considering the circular economy, the mitigation of environmental impacts, and the support of local production. Furthermore, the research identified the challenges and limitations of the technology. It concludes that 3D printing presents transformative potential for the textile sector, despite existing barriers. It is therefore recommended that investments be made in research and development of materials and processes, as well as in professional training, to accelerate the adoption and advancement of the technology in the industry.
Aspectos ambientais na indústria têxtil: uma revisão bibliográfica
(Universidade Federal do Rio Grande do Norte, 2025-01-09) Luz, Débora Kauanna Régis da.; Silva, Dany Geraldo Kramer Cavalcanti e; Galvão, Felipe Mendonça Fontes; 0000-0001-7655-7444; 0009-0007-6641-0431; http://lattes.cnpq.br/1842636693338141; Sousa, Anésio Mendes de; Cabral, Rivaldo Leonn Bezerra
The textile industry has great social, economic and cultural relevance. Its production chain generates a high level of employability. However, it is a sector that presents relevant environmental aspects in all production stages, with emphasis on industrial effluents and solid waste produced in its transformation process. Thus, this study aims to discuss the main environmental impacts associated with the textile industry, through a bibliographic review. For this purpose, a literature search was carried out using the descriptors: “Textile Industry”; “Environmental Aspects”; “Environmental Impacts”; “Solid Waste Management”; “Effluent Treatment” and “Environmental Management”, on the Science Direct, Scielo and Capes platforms. 19 full texts were selected and submitted to analysis using the following techniques: Zipf Diagram; Simple Lexical Analysis; Similitude Analysis; Correspondence Factor Analysis and Descending Hierarchical Classification. The most relevant and frequent words were: “textile” (63); “industry” (47), water (33) and waste (30). These were grouped into classes according to the chi-square association (χ2), with the following clusters being observed: (textile χ2 = 25.08; nanoparticle χ2 = 18.41); (water χ2 = 32.94; dye χ2 = 35.27) and (environmental χ2 = 05.45; sustainable χ2 = 20.24). Therefore, there was correspondence between the analyzed texts and correlations were found, with a chi-square higher than 3.84. Thus, it was found that the texts correlate studies on the main environmental aspects of the textile sector, effluents and waste, recommending actions to mitigate these issues, so that risks to human and environmental health are reduced.
Análise de reflectância de meia malha de misturas de fibras de poliéster e algodão
(Universidade Federal do Rio Grande do Norte, 2024-08-15) Damasceno, Nicole Winne Ribeiro; Silva, Iris Oliveira da; Sá, Christiane Siqueira de Azevedo; Silva, Rita Kássia da
This work presents an investigation into the dyeing behavior of polyester and cotton fiber blends using disperse and reactive dyes. The study included spectrophotometric measurements, such as reflectance and absorbance (K/S) analyses, to evaluate the interaction between dyes and fibers and the uniformity of the obtained colors. Calibration curves were essential for quantifying color intensity and validating dyeing methods. The results indicated that polyester showed greater affinity for disperse dyes, especially at elevated temperatures, while cotton demonstrated more effective absorption with reactive dyes. Additionally, the polyester/cotton blend samples presented challenges in achieving uniform coloration, reflecting the complexity of dyeing mixed fibers. Wash and rub fastness tests showed that polyester samples retained color more effectively than cotton samples, while mixed samples showed variable results. This study contributes to the improvement of dyeing processes in the textile industry, providing valuable data for producing high-quality fabrics with uniform colors and adequate resistance. The practical application of these results could lead to more efficient processes and better-performing products in the market.
Síntese verde de nanopartícula de prata com extrato de eucalyptus globulus para o desenvolvimento de têxteis antimicrobianos funcionalizados
(Universidade Federal do Rio Grande do Norte, 2024-08-16) Morais, Sahra Medeiros de; Silva, Késia Karina de Oliveira Souto; Silva, Íris Oliveira da; Aires, Michelle de Medeiros; Silva, Rita Kássia da
The demand for technical textiles has grown so much in the market that it has encouraged the growth of research in the academic environment, enabling their development. These textiles undergo treatments and functionalizations through nanotechnology, using nanometric-scale mechanisms that provide high efficiency against microorganisms without interfering with the main qualities of textile materials, which stand out for being light, resistant, and durable, as they are capable of receiving various functionalizations. The significant advance in nanoparticle research has contributed to the development of several areas, such as biomedicine, mechanics, textiles, agriculture, among others. Silver (Ag) nanoparticles are one of the most widely used due to their high efficacy and antimicrobial activity, known and improved over the years, ease of production, and low cost compared to gold nanoparticles. Despite their advantages, there is significant concern about the synthesis and disposal of silver nanoparticles (AgNPs) in the environment. In order to minimize this environmental impact, the study proposes a green synthesis using eucalyptus extract (Eucalyptus globulus). This method aims to enhance the antibacterial effect of nanoparticle synthesis, making it a more sustainable production with greater potential against microorganisms. In addition to acting as a bioreducing agent in the synthesis, Eucalyptus globulus also has antimicrobial characteristics, which add to the antibacterial potential. This advance not only promotes a more sustainable alternative for the production of antimicrobial textiles, but also paves the way for new applications and improvements in the fight against microorganisms, meeting the growing market demands and contributing to environmental sustainability. The characterizations of the solutions and fabrics produced were performed using the following analyses: antimicrobial test, zeta potential and particle size. Based on the results found, the functionalized fabrics presented a halo indicating excellent antimicrobial potential of the fabrics against the bacteria Staphylococcus aureus BMB MRSA and ATCC, and the zeta potential presented a better load for green syntheses.

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