Pablo Díaz

Pablo Díaz
Universitat Politècnica de València | UPV · Department of Textile and Paper Engineering (DITEXPA)

About

45
Publications
11,220
Reads
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191
Citations
Citations since 2016
30 Research Items
155 Citations
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2016201720182019202020212022010203040
2016201720182019202020212022010203040

Publications

Publications (45)
Article
Full-text available
We demonstrate there is the possibility to retain liquid oil inside microcapsules, by emulsion electrospinning showing antibacterial properties.
Article
Sustainability in the textile industry is a challenge with an imminent need to be tackled. One approach can be focused on replacing fossil-based dyes with renewable and less polluting alternatives. In this sense, this study focuses on validating the suitability of an innovative natural-based blue dye, phycocyanin, sourced from Spirulina platensis m...
Article
Cover factor is defined as the ratio of the area covered by yarns to the total area of the fabric. This fabric’s characteristic is a basic construction parameter of woven cloth related to its end-use behaviour. Different authors are focused on studying the effect of the cover factor fabric on different properties of the fabric, like air permeabilit...
Article
Full-text available
The scientific community is continuously developing new methods for the recovery and purification of water, since the precious resources of our planet are increasingly scarce and we must work to save and clean our waters. One of the methods used is the use of adsorbent and absorbent materials that remove from the water those substances that are har...
Conference Paper
Cellulosic fibres, like cotton, are characterized by good properties. However, during their use and maintenance, textiles made with these fibres show high capacity of shrinkage, wrinkling and little wrinkle recovery. In order to solve this behaviour, cotton fabrics are treated applying crosslinkers agents in combination with an appropriate catalyst...
Conference Paper
Recently, natural dyes are becoming more important because they are considered environmentally friendly. However, the reduction in pollution is not only the main aspect that makes them interesting. New properties such antibacterial, flame retardancy, etc., can be added to the material dyed with them. In this work we consider different teas, the red...
Article
Full-text available
More and more consumers are attracted to fashion brands that make an extra effort to offer them personalized experiences. The unique details, as well as the complexity of the decorative elements of the folk costume inspire the fashion designers to return to the folk motifs, which they reinterpret and resize while integrating them in the contemporar...
Article
Composites are materials formed by the combination of two or more components that acquire better properties than the ones obtained by each component on its own. Composites have been widely used in the industry due to its light weight and good mechanical properties. To improve these properties several layers of reinforced material (e.g., carbon fibr...
Article
Full-text available
This study investigated existing dimensional variations in knitted fabrics produced by weft-knitting technology for knitting and dry relaxation, dyed and dry relaxation, and dyed and wash relaxation for the interlock, 1 × 1 rib, and single jersey structures. This paper demonstrates that once the structure has been knitted, the shape that the loop t...
Conference Paper
Over the last few years, Europe witnessed a rapid and massive expansion of e-learning courses. An increasing number of adults are following e-learning courses and MOOCs, with different motivations. Research has shown that online learning attracts learners from medium and higher socioeconomic and education background [1], so a challenge is to open u...
Article
Loop length is one of the most relevant variables to control while producing knitted fabrics because the final characteristics of the finished fabric depend on it to a great extent. The procedure followed to calculate it is based on standard UNE-EN 14970, and it is cumbersome, time-consuming and requires yarn-measuring equipment. This study investi...
Article
One of the variables that we need to know in knitted fabrics in order to explain variations in dimensions in their different relaxation states, which might occur during the production process, is the yarn length that a loop forms, known as loop length. To experimentally calculate it, quite a lengthy process is required and the following need to be...
Article
Full-text available
Pattern cutting, sizing and fit are major issues for the clothing brands. All fashion companies are interested on how the product will fit their target customers and this involves making samples that eventually will not look or fit as per the desired design. 3D technology solutions are truly the best to deal with the existing needs of clothing manu...
Article
Full-text available
Concern regarding the environment is increasing day by day. Industrialized countries are aware of the problem that waste creates and are focusing efforts toward solving it by recycling and reusing different kinds of waste. Posidonia oceanica is a seagrass species endemic to the Mediterranean Sea, which creates tons of fiber waste that accumulates a...
Article
Anciently fibers were dyed with natural dyes. Synthetic dyes arise from the development of chemical industry and gradually were stablished as the common dyes for textiles or other industries. Nowadays environmental issues are a serious concern and are dealing into new studies about natural dyes in order to reduce pollution from dyeing industry. Ann...
Chapter
Full-text available
Anciently fibers were dyed with natural dyes. Synthetic dyes arise from the development of chemical industry and gradually were stablished as the common dyes for textiles or other industries. Nowadays environmental issues are a serious concern and are dealing into new studies about natural dyes in order to reduce pollution from dyeing industry. Ann...
Article
Full-text available
The paper illustrates the role of CAD/CAM technology in developing virtual textile design on the computer screen. First, it was created the shape of the symbol "Flower of Life" from Sacred Geometry by using the CAD system ASCON Kompas for the design of shapes and the graphic software Adobe Photoshop for colour combinations. Then, we drew few graphi...
Article
Full-text available
This paper addresses the problem of selecting cash management models under different operating conditions from a multiobjective perspective considering not only cost but also risk. A number of models have been proposed to optimize corporate cash management policies. The impact on model performance of different operating conditions becomes an import...
Article
The textile industry is more and more concerned about the necessity of using new and more respectful processes, developing new products or systems to carry out different treatments. Finishing treatments in the textile industry are considered as not too safe regarding environmental issues. These processes use large amounts of water that generate a s...
Article
Full-text available
Chitosan is used in a wide range of applications due to its intrinsic properties. Chitosan is a biopolymer obtained from chitin and among their most important aspects highlights its bonding with cotton and its antibacterial properties. In this study two different molecular weight chitosan are used in the dyeing process of cotton with black tea to e...
Article
Full-text available
Nowadays the majority of textile industries are not able to characterize or to study the process of adhering the microcapsule to the fibre's surface. There are various industrial processes to apply PCM's microcapsules, but determining optimal amounts of products, temperature, conditions and other process variables are an important challenge for the...
Article
Full-text available
Selecting the best policy to keep the balance between what a company holds in cash and what is placed in alternative investments is by no means straightforward. We here introduce PyCaMa, a Python module for multiobjective cash management based on linear programming that allows to derive optimal policies for cash management with multiple bank accoun...
Article
Recently, natural dyes are becoming more important because they are considered environmentally friendly. However, the reduction in pollution is not only the main aspect that makes them interesting. New properties such antibacterial, sun protection, etc., can be added to the material dyed with them. In this work we consider different teas, the red o...
Article
Cotton treated with chitosan has many positive functionalities such as antimicrobial effect. Some authors have demonstrated that functional groups of chitosan can react with functional groups of cellulose. However, it is necessary to apply high temperatures to carry this reaction out. Cellulose is degraded by heat and the degradation involves oxida...
Article
The use of Microcapsules has increased in the textile sector. They have been applied as a possible means of introducing new products to textiles, such as insect repellents, antibiotics, skin moisturizers, etc. Microencapsulation technology has improved the fragrance durability on fabrics. Historically, the durability of the fragrance was poor, espe...
Article
Ultraviolet radiation has become an increasing problem in recent years. It causes many injuries in humans giving rise to the need for protection against ultraviolet radiation, which can be provided by textiles with a high ultraviolet protection factor. This factor can be determined by a variety of established methods. This work focuses on establish...
Article
In order to apply finishing particles onto fabrics, several methods such as, padding, bath exhaustion, spraying and foaming can be used. In this research, spray treatment is compared to padding when applying TiO2 nanoparticles onto textiles. Cotton fabric surfaces were observed by scanning electron microscopy and characterized by Fourier Transform...
Chapter
Shrinkage and wrinkling are the major undesirable properties of cotton fabric. Those fibers are generally treated with crosslinking agents to further provide new properties to cotton fabric such as durable press property. Generally, in a cross-linked cotton fabric, cellulose chains are bridged across through chemical reaction with certain compounds...
Chapter
Nowadays textiles are required to have extra properties, they should offer active functionality. Microcapsules applied on textiles have become a way of modifying textiles properties. Microencapsulated products can be applied on fabrics by impregnation, bath exhaustion, foam, spraying and coating. The most extended industrial application is by paddi...
Article
Purpose Electron beam is a way of radiation that can induce different reactions on polymers. The purpose of this work is to analyze the effect that the electron beam can produce on polyester fabrics. Design/methodology/approach Poly(ethylene terephthalate) (PET) fibres were treated at 0, 50, 100, 150, and 200 KGy. Later on surface modification was...
Article
Textile industry is one of the fields that have increased their consumption of microcapsules. They can be applied to textiles using different methods, such as, padding, bath exhaustion, spraying and foaming. Although the most extended industrial application is by padding, commercial brands also suggest bath exhaustion as a possible procedure. In th...
Article
Full-text available
The presence of microcapsules has increased in the textile field. They have been applied as a possible means of introducing new products to textiles, such as fragrances, antibiotics, skin hydrants, etc. This work studied the influence of resin on the adhesion of microcapsules to cotton fabrics. To paste microcapsules to fabrics, they should be in c...
Article
Traditional accounting is based on financial indicators; the balanced scorecard divides management into different perspectives, some authors suggesting no more than four or five for each company. To measure each perspective some indicators should be defined. The aim of this work is to propose some indicators that fit each perspective for some texti...
Article
The application of microencapsulated products is a system that allows incorporated new finishing treatments on fabrics. This system begins to be a widespread process. The microencapsulation provides the fabrics new functional properties, increasing their value and differentiation. The research is focused on optimize the microcapsules presence on fa...
Article
Some nonserious skin infections can be treated by hydration and antibacterial control. Microcapsules containing aloe-chitin are often used to treat this kind of problem. Microcapsules were applied to cotton fabrics by padding and sleeves were prepared. A hypoallergenic test was applied to the microcapsule emulsion and hydration of the epidermis was...
Article
This article aims to present the "matrix technologies-products" tool that facilitates the proposed companies with specific actions, which can be carried out with the technologies that they have or with minimum technical modifications, so that they manage to really carry out the reconversion towards the manufacture of other products or insertion in...

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