Plastic consumption has generated some environmental problems such as contamination of the environment. Plastic waste resulting from inappropriate disposal, due to its characteristics, mainly due to its form factor, has led to an increase in the mortality of life in rivers and seas. In light of these problems, it is necessary to develop actions that reduce these impacts, such as the recycling of these materials and the use of circular economy, which exposes a concern regarding the life cycle of products and their applications. The work aimed to develop a filament applicable in the textile industry, resulting from the combination of recycled poly(ethylene terephthalate) (PETR) from bottle grade and woven PET (PETT) from the clothing industry. The PETR/PETT binary blend with and without the use of ethylene-methyl acrylate-glycidyl methacrylate copolymer (EMA-GMA) as a chain-extending agent was plasticized and homogenized in a twin screw extruder with d = 16 mm and l/d = 40, varying the compositions in 10 wt% of PETT in PETR until the composition fo 100 wt% of PETT and, using 3 wt% of EMA-GMA in the formulations of these mixtures. After the production of polymeric mixtures, rheological characterizations were carried out by melt flow index (MFI) measurements, thermal characterization by differential scanning calorimetry (DSC), physicochemical characterization by X-ray fluorescence (FRX), mechanical characterization by uniaxial tensile and, morphological characterization by scanning electron microscopy (SEM). Previous work showed that the EMA-GMA copolymer showed evidences of reaction with PET and the results of the characterizations in this work corroborated the results obtained previously. The MFI and tensile test results corroborated the optimization and definition of the best compositions to be processed in the single screw extruder with d = 16 mm and l/d = 26, aiming at the production of continuous filaments. Through the MFI evaluated the fluidity as a function of temperature and the flow stability of the polymeric mixtures and, the results of tensile strength, elongation at break and modulus of elasticity showed the materials that presented the best results to be selected and used in the production of textile filaments. FRX analysis performed on PETT identified the presence of titanium dioxide (TiO2), which is used as a white pigment in clothes. The photomicrographs obtained by SEM showed phase separation between the two types of PET, recycled bottle grade and woven. The pure polymers were processed under the same conditions, having the same thermal history and were used as a reference for the final quality of the filaments produced from the polymeric mixtures. The results of the characterizations showed that the mixtures with 60, 70 and 90 wt% of PETT were the materials that presented the best results to be applied in the manufacture of textile filaments and, finally, measurements of the titration and measurements of the thickness of these textile filaments by SEM were carried out.

The present study used Calotropis procera fiber as a natural adsorbent for the reactive
dye present in textile effluents. The justification for choosing this dye was due to its
wide use in dyeing processes on cotton substrates. Due to the lack of affinity of the fiber
with water, the fiber was submitted to a functionalization with chitosan, aiming at a
better adsorption and interaction between fiber and effluent. The adsorbents used, for
the most part, are not biodegradable, which is currently not interesting for the
environment, the current search is for environmentally friendly materials. The
Calotropis fiber was selected due to its high predominance in the northeast region of
Brazil, because it is considered a weed and because it has internal voids that help in the
adsorption process, in addition to being biodegradable. The use of chitosan as a
functionalizing agent is justified by its non-toxicity, biocompatibility and
biodegradability. The fiber characteristics were evaluated with the aid of SEM, FTIR
and XRD analysis. The effluent was characterized through the environmental
parameters of pH, turbidity, conductivity, dissolved oxygen (DO) and UV-Vis
absorbance, these analyzes were performed before and after contact with the fiber. The
SEM analyzes demonstrated that Calotropis has a smooth surface, without convolutions
and internally hollow, even after its functionalization, the infrared analyzes indicated
the presence of carboxylic and hydroxyl groups. The adsorption efficiency was analyzed
using the effluent generated by dyeing with reactive dye BLUE BG-R CONC, obtaining
a removal of 100%. The results showed that Calotropis procera functionalized with
chitosan is suitable for the adsorption of reactive dye, being a simple alternative,
environmentally correct, being a potential method for removing color from textile
effluents, contributing to the preservation of the environment.

The UN's 2030 agenda aims to achieve this sustainability through 17 objectives, namely: industry, innovation and infrastructure; clean water and sanitation. In this sense, it is necessary to search for sustainable materials, in particular, to act in the treatment of water in the textile industry, which is one of the largest consumers of water in its chemical processes and with a low reuse rate and, consequently, generating a high load. of polluting effluents. Thus, nanomaterials are widely studied and used for applications that minimize this problem. One of the applications is via photocatalysis processes, due to the high efficiency of these nanostructures due to their surface area, such as: TiO₂, ZnO and other semiconductors. Other emerging nanomaterials are nanoparticles with reduced size in the range of 1-10 nanometers, which, due to their size, undergo quantum confinement and are therefore called quantum dots. The main problem involving TiO₂ quantum dots is the agglomeration of particles in the medium, which makes their use in photocatalysis complex, since a secondary treatment is necessary to recover it. In this proposed study, the objective was to evaluate the applicability of TiO2 quantum dots (TiO₂ PQs) immobilized in textile fibers for potential photocatalytic application. The synthesis of PQs TiO₂ was performed via solgel and in the first stage of this study, immobilized on soybean fibers by the layer-by-layer method using chitosan as a cationizing agent. The photocatalytic evaluation was carried out using a concentration variation (2 to 8 ppm) of rhodamine B. In the second study, a Box-Behken-type factorial design was used where the variables: TiO₂/Au ratio (%), temperature, time and pH of the immobilization solution, having as response variable, the photodegradation of the reactive dye black 5 (C26H25N5O19S6), one of the most used dyes in the textile industry. Soybean and polyamide fabric samples were characterized for their microstructural properties using XRD, XPS, HRTEM-SAED, SEM-FEG as well as colorimetric analyses. The results prove that the obtained quantum dots present a tetragonal crystalline structure, corresponding to the anatase phase, with a size approaching 6 nm. The results of the photocatalysis of the functionalized soy fiber showed excellent photocatalytic efficiency, degrading 2 ppm of Rhb in 120 minutes, with durability of up to 5 cycles of reuse, with a loss of approximately 10% of its photocatalytic efficiency. The polyamide fabric nanocoated with PQs TiO₂/Au, presented an efficiency of approximately 100% of photodegradation of 20 ppm of the RB5 dye, in 240 minutes and with reuse stability in 5 consecutive cycles. Therefore, the application of quantum dots in textile fibers as functionalization agents is a promising way to obtain flexible surfaces with excellent photocatalytic properties.

The ever increasing demand for research and development of new materials and technologies that can be applied to health is imperative, especially in tissue engineering. The materials and dressings that support wound healing currently on the market are a significant source of non-renewable waste disposal. However, research involving nanotechnology, more sustainable textile finishes, and biodegradable raw materials, with lower cost and environmental impact, is still quite limited, pointing to the need for research and investments in the area. This work aims to contribute to developing porous nanofibrous structures that can be made through cleaner and more efficient techniques, later serving to develop dressings, scaffolds, and extracellular growth matrices. The use of biodegradable, bioabsorbable, and biocompatible polymers, using hydrolyzed collagen extracted from tilapia skin as raw material and blankets produced by solution blow spinning, are proposed alternatives with less environmental impact and functional optimization.

Due to the large volume of effluents from the textile industry, which causes
environmental contamination of water bodies, it is necessary to take treatment
measures for the reuse or correct disposal of these effluents. The objective of this
work is to produce a polysulfone (PSU) and zinc oxide (ZnO) membrane for
decontamination of textile effluents from the dyeing stage. To produce pure and
hybrid membranes, the phase inversion technique was used. The membranes
produced were analyzed by FTIR and XRD. The results of the diffractogram of the
membranes showed peaks characteristic of the PSU. The spectrum in the infrared
region of the hybrid membranes showed characteristic polysulfone bands
superimposed on the characteristic ZnO bands. The membranes will also be
characterized by scanning electron microscopy and thermogravimetric analysis and
tested for their applicability in cleaning synthetic textile effluent for efficiency
evaluation, given the bactericidal properties presented by ZnO.

Cellulose is one of the most abundant polymers in nature and its structure is composed of interactions such as intra and intermolecular hydrogen bonds, in these bonds there are strong tendencies for cellulose to form crystals making it insoluble in water and most organic solvents. Several works published in the literature present the synthesis of hydrogel from the analytical standard cellulose with a high degree of purity, provided by different laboratories, which facilitate the dissolution process and later, the manufacture of hydrogel. Its application is vast and multidisciplinary, in different industrial areas such as biomedical, pharmaceutical, cosmetics, engineering, fuel, biomaterials, wasterwater treatment, drug delivery and fertilizers. Due to this theme and its diversity of application, as well as, using environmentally friendly and sustainable ways, this work aims to produce the hydrogel using cellulose in its raw form, from the cotton residue from the sanding process in the textile industry. Using up cycling as the object of using this residue without application and which had the purpose of being discarded as process waste. Thus, the cellulosic material was collected from a local industry and previously dissolved in NaOH/Urea proportions with controlled temperature and time and then cross-linked in an epichlorohydrin solution. Finally, the resulting solution underwent a freezing and thawing process. The hydrogel obtained was characterized in terms of its microstructure via FTIR, XRD and SEM-FEG as well as thermogravimetric analysis (TGA). The result obtained proves that the process of obtaining the hydrogel depends on the concentration of the crosslinking agent and with a high degree of swelling. It is then concluded that the use of cellulose residue from the textile industry, from the physical sanding process, has a wide application in obtaining cellulose hydrogels.

The aim of this work was to develop a continuous filament of high density polyethylene (HDPE) with thermochromic property, for applications in textile materials. For this, two types of thermochromic pigments, in orange and purple, both with color change at a temperature of 31°C, were mixed with HDPE during extrusion processing to obtain a filament at melt state, and the proportions used of 0.5, 1.0 and 2.0 wt.% of pigments. The photomicrographs obtained from the pigment powders showed that the materials had a spherical morphology. To identify the activation temperature of the pigments, the powders were subjected to heating, where the thermochromic transition temperature could be identified and the images were obtained in a digital camera, showing the differences in colors at 21°C and 45°C. After the mixing process by extrusion and granulation of all samples, part of the granules was used to mold specimens by injection molding, these specimens were used in the preliminary characterizations to evaluate the incorporation of pigments in HDPE before the production of filamento yarns continuous. The rest of the granules were used for the production of continuous filamento yarns, keeping the screw rotation speed and the filament pulling speed constant in all samples. Flow index measurements (MFI) were performed on pure HDPE granules and on mixtures of HDPE with pigments for the three proportions used. The results of the melt flow index (MFI) analysis had increasing values, unlike the results of the Shore D hardness analysis, which decreased, such behavior was an indication that the proportions of thermochromic pigments used promoted an increase in the mobility of the HDPE polymer chains, which which may have influenced a change in viscosity and an increase in MFI values. The photomicrographs obtained by scanning electron microscopy (SEM) of the injection molded specimens showed that the pigments maintained the spherical structure preserved within the polymer, maintaining its protected function. The images obtained from the specimens by digital camera showed the color change of pure HDPE from beige to orange and purple, as well as the color change to yellow and blue, respectively, when the samples were submitted to thermochromic activation temperature, the color change is reversible. The yarns obtained from the granules also acquired the thermochromic property and, through images taken with a digital camera, it was possible to identify the difference in color when the samples were exposed to 21°C and 45°C. The spectrophotometric analysis showed the change in reflectance spectra when these materials were exposed to these two temperatures, evidencing the color alteration caused by the structural alterations of the pigments. The uniaxial tensile results showed that the addition of the two types of thermochromic pigments, at the concentrations used, did not interfere in the mechanical properties of the HDPE polymer matrix, even as a result of the difference in size observed in the two types of pigments used. The atomic force microscopy (AFM) test showed that despite a slight difference in the surface roughness of the HDPE additives, the thermochromic pigment particles were incorporated into the matrix. It was concluded in this work that the optimal thermochromic addition composition is less than 0.5 wt.% and that these characteristics are not lost during melt processing and due to the high shear rate in injection molding processing.

Recently, polymeric composites reinforced with natural fibers have been gaining prominence in the development of research, with the objective of replacing synthetic materials used in reinforcements. However, poor interfacial adhesion of natural fibers with the polymer matrix can negatively affect the mechanical and physical properties of composites. The APTES type silane coupling agent was applied to composites in order to promote better adhesion between the materials and consequently bring more satisfactory results to the mechanical and physical properties of polymeric matrix composites reinforced with residual sisal fiber powder. The objective of this work, then, is to investigate the influence of the addition of APTES in these composites, as well as the content of sisal powder and particle size.

The sewing process is one of the most important segments in the clothing industry, being an essential part of the assembly of most textile products through various industrial machines. Given the variety of machinery to meet the range of sewing operations existing in the confection, it is necessary to specify needles and thicknesses suitable for the pattern of the different fabrics on the market, aiming at the desired quality in the sewing. Therefore, it is extremely important to pay attention to the sewing machine needle, and its replacement is essential to have quality sewing; however, machine operators only do so when they perceive it to be badly damaged, bent, or when it breaks. . Needle wear is a problem faced by the sewing industries and understanding the causes of wear and applying this knowledge to reduce needle temperature during high sewing speed can bring greater benefits. This dissertation aimed to identify the types of needle wear in the sewing process and its possible causes. To carry out the present study, needles were collected in a micro-enterprise that manufactures clothing, two different sizes of needles were collected and 3 machines and 4 types of sewing processes were also considered. This selection aimed to study the influence of sewing parameters and fabric type on needle wear. The methodology consisted of three steps: a collection of needles in the factory environment, identifying the reasons that led the operator to replace them, the second step was a visual analysis, and the third the characterization of wear with the aid of scanning electron microscopy. In the visual analysis, damages such as rougher ("blunt") needle and needle breakage were identified, damages that justified the replacement of the needle. The operating time of each needle is an average of eight hours. Regarding the needle wear mechanisms, I observe a deformation in the needle tip, resulting in its flattening. There is also a widening of the needle eye due to wear caused by friction with the thread. There were signs of adhesion of materials to the surface of the needle.

Clothing aimed at professionals for carrying out their labor activities is called uniform. In the case of military clothing, it is the official symbol and representation of soldiers in the armed forces, expressing the values, tradition, hierarchy, and discipline in each of the institutions, as in the Military Police. Military clothing must perform the following main objectives to the users: protection from external factors, functionality for tasks, and identification; but also provide comfort. Due to its importance, there are scientific efforts in studies focused on this theme, mainly in the institutions of the armed forces. However, there are few studies on the functionality and comfort of uniforms used by the Military Police. This fact fosters a scenario of scarcity of knowledge about the characteristics of structural and ergonomic attributes of these uniforms, and their relationship in the different situations experienced by the PMs (climate, social, and work performance). Therefore, this research aims to characterize the structural, colorimetric, and mechanical properties of the Military Police uniforms in the Brazilian states: Minas Gerais (MG), Rio Grande do Norte (RN), and Santa Catarina (SC). It investigating how suitable they are for conjuncture of the PM's work activities, and analyzes the perception of the military police in the state of RN. For this, several tests were carried out on specimens from each state to characterize the structural, colorimetric, and mechanical properties; and PMRN agents were interviewed using a self-administered questionnaire to investigate the perception of comfort, protection, and satisfaction of their uniforms. As a result, it was possible to verify structural similarity between the PMMG and PMSC uniforms, and some significant differences regarding the PMRN uniform; in the behavior of the tissues in the mechanical properties, the PMRN uniform obtained greater resistance and elongation; and the satisfactory performance in dry fastness and dry friction and unsatisfactory in wet friction fastness for the three uniforms. From the perspective of PMRN agents, they reported feeling dissatisfied and unprotected with the current uniform, having a negative perception in most aspects of comfort, protection, and satisfaction. Such results demonstrate that these garments are closer to conventional fabrics, and cannot be considered technical textiles and also do not meet the demands of the PM. Regarding the specific uniform of the PMRN, it is possible to indicate that it is not yet adequate and does not have functionalities and that there is a need for further studies and improvements to meet these aspects and ergonomic requirements.

The concern with a rapid healing of chronic wounds, such as those observed in skin lesions caused by Leishmania parasites, has become the reason for several study groups to develop high-performance dressings. This new approach to textile nanotechnology seeks to develop dressings that promote the controlled release of drugs directly to the wound site more quickly and effectively. This study aimed to develop nanofiber blends using the Solution Blow Spinning (SBS) technique, based upon the combination of the biopolymers Polycaprolactone (PCL) and Chitosan, with the incorporation of N-methyl-D-glucamine, the drug of choice for the treatment of cutaneous leishmaniasis. Initially, a solution was prepared containing the concentration of 25% (w/v) and 75% (w/v) of Chitosan and PCL, respectively, diluted in 99.8% glacial acetic acid. In a second solution, under the same conditions described above, the drug N-methyl-D-glucamine at a concentration of 6.7% (w/v) was included. Both solutions were homogenized by stirring a magnetic bar for 24 hours at room temperature. After obtaining, the solutions were transferred to a syringe attached to the ejection pump to obtain the nanofiber. Scanning electron microscopy (SEM) and infrared spectroscopy (FTIR), were used to characterize the nanofibers. The release of NMDG from this new drug delivery system was analyzed using visible light spectroscopy (UV-VIS). The production process developed in this research allowed to obtain blending scaffolding by combining the biopolymers PCL and Chitosan, without and with the drug N-methyl-D-glucamine, using the solution blowing technique (SBS). From the SEM analysis, it was possible to observe significant differences in the mean diameter of the scaffolding blends, which showed values of 320.9 ± 93.5 nm in the nanofiber without drug and 365.8 ± 113.2 nm for the nanofiber with the drug (p <0.001). The FTIR characterization indicates in the fibers the presence of functional groups characteristic of each material used and produced, allowing to detect the incorporation of the drug with an increase of 6.2% in the transmittance of the nanofibers. The mixing of two polymers proved to be an effective technique to obtain a new material with desirable properties, which may be relevant to optimize drug incorporation the drug delivery, and targeting properties. The study also proved the effectiveness of the SBS technique for obtaining nanofibers with chitosan. Although in vitro biological activity studies are necessary to prove the biological application of nanofibers, our data point to the promising use of PCL / chitosan nanofibers incorporated with NMDG for the treatment of cutaneous leishmaniasis.

This work proposes the use of textile structures made of meta-aramid fibers in an application of an environmental nature (forest fires), from a subtype of geotextile structures defined as sandbags. The model was developed, theoretically, with a basis for the development of prototypes / new products based on the confection DFSS (design for six sigma) though DMADV methodology and, experimentally, through circular knits composed of 100% meta-aramid yarns 18 and 27 tex. Each yarn count built individual knits and they were cut to dimensions of 15x10 cm and transformed into bags. The central purpose of the work is to analyze what happens with some performance parameters of these fibers and structures after being exposed in uncontrolled natural conditions and to base their application in macro character, from the model developed in the prototype.

The scientific and technological evolution of functional textiles has brought a high added value when compared to conventional textiles due to their ability to satisfactorily respond to different needs of their users in different areas such as health, protection and in the sports segment. This research has as objective the production of an antibacterial textile for application in the sports area, from the use of vegetal extracts that are natural and sustainable compounds that have been used in several sectors of the industry, because they have a diversity of properties, mainly, the biological, making them suitable for application in functional finishes in textile materials. The microemulsified system is a method of impregnation and an effective alternative for the solubilization of functional agents, and being thermodynamically stable, it is efficient for long-term use. In this case, for the development of this study it was necessary to obtain the extract of the leaves of Momordica charantia (EMC), as well as the production of the extract mother solution (SME) and its solubilization with different concentrations in a base microemulsion (M) that resulted in samples P1, P2 and P3. The SME sample was characterized by spectroscopy analysis in the infrared region by Fourier transform (FTIR) and critical micellar concentration (CMC). For microemulsions, the characterization techniques performed were: particle size, zeta potential, thermal stress, pH, electrical conductivity, FTIR, transmission electron microscopy (MET) and antibacterial analyzes (Staphylococcus aureus, gram-positive), the latter was performed both at the EMC, and at the SME, and at the four microemulsion points. In summary to the proposed objective, EMC, SME and microemulsions P2 and P3 showed positive results against S. aureus, with the P3 microemulsified system being the most effective, with an inhibition halo of 12.5 mm. Therefore, the product developed in this research has potential for application in cationic fibers, promoting the development of functional textiles for the sports area.

The present study aims to study the photo degradation and performance impact properties for kevlar® fabrics impregnated with non-Newtonian fluids (FTS), composed of nanoSilica, PolyethyleneGlycol (PEG) and ethanol under different concentrations. The impregnation process was made by diffusion and fuorlardagem under kevlar® fabrics which were subsequently dried by raining (specifies time and temperature conditions). Initially, we performed a preliminary study, in which case the silane coupling agent was added to the FTS in order to study its influence mainly on the results of impact strength, adhesion and flexibility of impregnated Kevlar® layers. The results demonstrate that the addition of Silane coupling agent provides an increase in strength in the STF response. Reveals improved absorption of impact energy, as well, significant increase in adhesion and reduction in depth of penetration and flexibility. Those results demonstrates that the use of Silane coupling agent promotes greater improvement in the performance of the ballistic penetration resistance of the protective r the composite panels. Results obtained under different FTS compositions and the different orientation of the Kevlar fabric layers, showed that the performance of impact protection depends on the friction between threads, FTS adhesion, knife blade geometry and mainly the absorption and dissipation of the energy residual impact which in turn is directly to nanoparticulate content and consequently inversely proportional to the amount of PEG present in the FTS composition. However, in order to study the influence of the photodegradation phenomena, only the C3 sample was studied, which presented better results of impact performance and the control sample. It was expected that the STF impregnated samples would obtain greater resistance to photodegradation when compared to unimpregnated samples (control) and in which, consequently increased the shelf life of the STF impregnated on the Kevlar samples. The photodegradation resistance was evaluated by impact resistance using the Drop Tower and ballistic tests, spectroscopy, FTIR and SEM, respectivelly.

Essential oils (OEs) are natural products that have a wide range of applications, encompassing different areas of activity. Searching for researchers due to their properties, essential oils have different functions, such as repellency, analgesic, antibacterial, antiparasitic, antirheumatic, anti-inflammatory, moisturizing and therapeutic actions. Chitosan (QTS) as a biopolymer of great diversity has effective properties with antimicrobial activity and also chelating action for surface modifications of textile substrates. This is due to the presence of amine groups in their chemical structure, which when acetylated at pH acids become positively charged, giving rise to its chelating action and its surface modifying potential. This work was developed in the production of nanoemulsions using the ternary phase diagram study, to define the ideal setting of the desired formulations, using chitosan as aqueous phase (Fa), a non-ionic surfactant (T80) and the addition of the properties of two essential oils as oily phase (Fo) for the production of nanoemulsions. For the characterization of the essential oils of andiroba (OEA) and lemon grass (OCL) were verified its density, molecular weight and its acidity, saponification, iodine, peroxidation and refraction indices as well as its real antimicrobial capacity. Nanoemulsions, also called micellar systems, were characterized by pH, electrical conductivity, viscosity, zeta potential, DLS, temperature resistance and microbial activity. The nanoemulsion systems used in the functionalization of the 100% cotton fabric by the layer-by-layer method with the purpose of promoting specific functionalities to the textile materials. Functional tissues were characterized by XRD and FTIR analysis to confirm their surface modification and the presence of the characteristic groups of the NEOEs forming components. Their solidity was also analyzed, confirming the permanence and durability of the antimicrobial finishing in the tissues.

Biodegradable nonwovens based on Polycaprolactone (PCL) and poly (butylene adipate-co-terephtalate) (PBAT) were prepared by solution casting technique in Chloroform. Nonwovens were obtained in the proportions of 20:80, 15:85 and 10:90 polymer and solvent. Non-solvent addition films were also formed: distilled water. The films were characterized by SEM, XRD, FTIR, Wettability, TG and DSC Thermal Analysis and Steam Permeation. Crystallographic peaks from both polymers were found and in the solutions containing the non-solvent it was also noted that the peak`s intensity were low. From FTIR, the bands corresponding to C-H, C=O, CH₂ e C-O for PBAT and C-H, C=O, CH_2, C-O, C-C e COC for PCL were identified. From SEM a dense morphology was visualized for the films obtained only with polymer. There was no major change in the morphology of the films with the presence of the non-solvent, in which the addition form and its dissolution time did not cause considerable modifications in the film morphology. By wettability tests was observed that the non-solvent has influence on the contact angle. Through Thermal Analysis, it was observed that the film, after processing, does not have significant traces of the solvent used, and it is possible to observe that the PCL has a lower thermal stability in relation to the PBAT. Besides, the addition of distilled water in the films did not cause significant changes in the thermal characteristics of the material. In relation to water vapor permeation, it can be said that for hydrophobic polymers, the results were satisfactory, indicating that they may be used in drug permeation. Therefore, biodegradable nonwoves were obtained and analysed

Non-woven fabrics were obtained using the phase inversion method using the solvent evaporation technique from Polyacid Lactic/Poly (Adipate Co-Terephthalate Butylene) blend (PLA/PBAT) and the incorporation of a compound composed of Calcipotriol Hydrate and Betamethasone Dipropionate. The incorporation method of the drug according to it dissolution time was evaluated and the nonwoven were characterized by SEM, XRD, FTIR, TG, water vapor transmission and wettability. In the superficial SEM, a predominantly dense structure was observed in all samples. When analyzing transversely, elongate inclusions, characteristic of the blends, were observed in the systems with pure polymer, and in the membranes with drug included, the image shows uniformly distributed pores. By DRX the characteristic peaks of PBAT and PLA in the pure membrane were visualized and after the incorporation of the drug there was an increase of the respective peaks, indicating the effectiveness of the incorporation. The FTIR analysis showed that the bands increased with the addition of the drug, demonstrating that the drug was incorporated into the PLA/PBAT matrix. Thermogravimetric analysis showed that the presence of the drug decreased the thermal stability of the nonwoven, suggesting chemical interaction between the polymer and the drug. Wettability tests showed the presence of the drug alters the hydrophobicity of the system. From vapor transmission, a satisfactory flow was obtained, in accordance with the suggested need. Thus, the obtained non-woven fabrics are indicated so that they can be possibly used in a controlled drug delivery system.

Throughout the history of mankind, textiles performed various functions from protection to fashion. Globalization has had a big influence on the evolution of functional textiles for health protection. One of the effects of globalization is the demand for prevention of mosquito bites, which can cause an unpleasant sensation and transmit vector disease such as dengue, malaria and other diseases to mankind. For the WHO (World Health Organization), vector-borne diseases account for about 17% of all infectious diseases, leading to more than 1 million deaths each year. The lack of vaccines and methods to treat diseases makes sting prevention the most effective health protection. The application of mosquito repellents on the skin has limited protection effect. Based on this the WHO advises to treat the fabrics of clothing with repellent agents, as it is a very efficient way of avoiding mosquito bites. The substance that has been shown most efficiently in the mortality of disease transmitters is permethrin, which is an odorless and biodegradable synthetic insecticide derived from the plant Chrysanthemum cinerariifolium. It is the only one in its use as contact insecticide neural toxicity and as insect repellent and low toxicity in mamifers. The polyester fabric was the fiber used because the synthetic fibers are more than 55% of the products of the textile industry and exceed the production of natural fibers, in addition to the properties of high modulus and strength, stiffness, elasticity, resistance to wrinkling and abrasion , relatively low cost and ease of recycling. based on the low affinity between polyester and permethrin the process of surface modification by plasma was adopted, therefore, it is a clean and innovative technique to improve the quality of the product. The treatment of textile plasma is obtained by modifying the surface without modifying the basic properties of the materials. The process was carried out with the gases O², N² and mixture of 70/30 O² / N². With the objective of making chemical and physical changes in the surface of the textile material. Then a solution of 200g / l of permethrin in foulard was applied, followed by drying and polymerization. Part of the samples will be washed 10, 35 and 60 times for comparison with untreated samples on the efficiency of the process with respect to the anchoring of permethrin in the polyester fibers. Analyzes such as the XPS will evaluate the change in the chemical chains of the material, the FTIR will evaluate the maintenance of the permethrin in the fibers of the samples through the characteristic peaks. The SEM will evaluate the surface of the material. With this data it will be possible to identify and control each process and what its interference on the textile material.