4,331 research outputs found

    Shape Memory Polymers for Smart Textile Applications

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    Shape memory polymer (SMP) is a genre of smart materials which demonstrate a capability to fix in the temporarily programed shape and to recover the original shape upon exposure to external stimuli. Such unique and amazing properties of SMPs are applied to develop smart textiles by incorporating SMP into the fabric. Various types of stimuli-responsive SMPs such as thermal, light, pH, and moisture have been used in textiles for enhancing or attaining some smart properties. The integration of SMPs in fabric provides many fascinating and improved properties such as good aesthetic appeal, comfort, textile soft display, smart controlled drug release, fantasy design, wound monitoring, smart wetting properties and protection against extreme variations in environmental conditions. In this chapter, we discussed different types of SMP used for this purpose, their functions, and applications in textiles with their potential applications in the near future

    Positive And Negative Reappraisal As Love Regulation Strategies In College Students

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    This study examined the effects of reappraisal of an ex-partner on reducing romantic love-feelings in students who are experiencing distress related to a romantic break-up. The current study was based on the study by Langeslag and Sanchez (2018), which assessed various love regulation strategies. My goal was to replicate their findings that negative reappraisal of an ex- partner reduced love feelings, and to add a positive reappraisal condition to further explore these findings. Forty seven students completed a pre-screening questionnaire. Thirty-two of the participants who met screening requirements were contacted to participate in the final phase of the study, however, only 5 participants completed the study. The 5 participants were randomly assigned to a positive, negative, or control reappraisal task which contained prompts asking them to reflect on a positive or negative aspect of their ex-partner (or on information unrelated to their partner in the control condition) and then completed measures of love-feelings. Participants in the positive reappraisal condition saw almost no reduction in love scores across but did report feeling less unpleasant than those in the negative condition. Those in the negative condition saw reduction in their love scores on both measures

    Wearable design requirements identification and evaluation

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    : Wearable electronics make it possible to monitor human activity and behavior. Most of these devices have not taken into account human factors and they have instead focused on technological issues. This fact could not only affect human–computer interaction and user experience but also the devices’ use cycle. Firstly, this paper presents a classification of wearable design requirements that have been carried out by combining a quantitative and a qualitative methodology. Secondly, we present some evaluation procedures based on design methodologies and human–computer interaction measurement tools. Thus, this contribution aims to provide a roadmap for wearable designers and researchers in order to help them to find more efficient processes by providing a classification of the design requirements and evaluation tools. These resources represent time and resource-saving contributions. Therefore designers and researchers do not have to review the literature. It will no be necessary to carry out exploratory studies for the purposes of identifying requirements or evaluation tools either

    A fabric-based textile stretch sensor for optimized measurement of strain in clothing

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    Fabric stretch sensors are available as planar fabrics, but their reliability and reproducibility are low. To find a good working setup for use in an elastic sports garment, the design of such sensors must be optimized. The main purpose of this study was to develop resistive strain sensors from stretchable conductive fabric and investigating the influence of stretchability on conductivity/resistivity. The influence of using the sensor in a sweat rich environment was also determined, in order to evaluate the potential use of the sensor in sporting garments. The sensor resistivity performance was analyzed for its sensitivity, working range, and repeatability and it was determined what makes the sensitivity when elongated or stretched. The resistivity was found to decrease with elongation if no sweat is present, this can be due to molecular rearrangement and a higher degree of orientation that improves the conductivity of a material. The result from this finding also shows that for wearable applications the commercial EeonTexTM conductive stretchable fabric did not show a considerable resistivity increase, nor a good sensitivity. The sensitivity of the sensor was between 0.97 and 1.28 and varies with different elongation %. This may be due to the mechanical deformation characteristics of knitted samples that lead to changes in conductivity. We advise that the testing performed in this paper is done by default on new stretch sensitive textile materials, so practical use of the material can be correctly estimated

    Publicity, celebrity, fashion: photographing Edna St. Vincent Millay

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    Publicity, celebrity, fashion: photographing Edna St. Vincent Milla

    Quality Function Deployment Method and Its Application on Wearable Technology Product Development

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    The purpose of this thesis was to investigate consumers and product developer’s expectations of wearable technology products in the context of the Quality Function Deployment (QFD) framework. The specific objectives were to: 1) Explore the quality features that consumers consider most important when purchasing wearable technology product. 2) Explore the technical features product developers consider most important in the development of wearable technology. 3) Identify the technical features that wearable technology product developers need to focus on to meet the customer requirements. The Qualtrix online survey system was used to collect demographic, quantitative and essay length written responses from participants. Three hundred seventy eight men and women who were either consumers of wearable technology or professionals involved in its design and manufacture participated in this research. Data were analyzed with Statistical Analysis System (SAS) Enterprise 6.1. Open ended questions were analyzed for content and coded on an Excel spreadsheet using the thematic method. Results indicate consumers considered the most important feature of wearable technology to be Product Safety whereas professionals involved in its design and manufacture regarded Materials Selection as the most important aspect. This study provides valuable information for both industry and academia and identifies areas that must be addressed by manufacturers of wearable technology to meet consumer’s demand for product features

    Recent Progress in Nanostructured Zinc Oxide Grown on Fabric for Wearable Thermoelectric Power Generator with UV Shielding

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    Traditional materials for thermoelectric such as bismuth telluride have been studied and utilized commercially for the last half century, but recent advancements in materials selection are one of the principal function of the active thermoelectric device as it determines the reliability of the fabrication regarding technical and economic aspects. Recently, many researcher’s efforts have been made to utilize oxide nanomaterials for wearable thermoelectric power generator (WTPG) applications which may provide environmental stable, mechanical flexibility, and light weight with low cost of manufacturing. In precise, fabric containing oxide metals have shown great promise as P−/N-type materials with improved transport and UV shielding properties. On the other hand, we have focused on ZnO nanostructures as a high-efficiency WTPG material because they are non-toxic to skin, inexpensive and easy to obtain and possess attractive electronic properties, which means that they are available for clothing with low-cost fabrication. To our observation, we are chaptering about the thermoelectric properties of ZnO and their composite nanostructures coated cotton fabric via the solvothermal method for the first time

    Towards the internet of smart clothing: a review on IoT wearables and garments for creating intelligent connected e-textiles

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    [Abstract] Technology has become ubiquitous, it is all around us and is becoming part of us. Togetherwith the rise of the Internet of Things (IoT) paradigm and enabling technologies (e.g., Augmented Reality (AR), Cyber-Physical Systems, Artificial Intelligence (AI), blockchain or edge computing), smart wearables and IoT-based garments can potentially have a lot of influence by harmonizing functionality and the delight created by fashion. Thus, smart clothes look for a balance among fashion, engineering, interaction, user experience, cybersecurity, design and science to reinvent technologies that can anticipate needs and desires. Nowadays, the rapid convergence of textile and electronics is enabling the seamless and massive integration of sensors into textiles and the development of conductive yarn. The potential of smart fabrics, which can communicate with smartphones to process biometric information such as heart rate, temperature, breathing, stress, movement, acceleration, or even hormone levels, promises a new era for retail. This article reviews the main requirements for developing smart IoT-enabled garments and shows smart clothing potential impact on business models in the medium-term. Specifically, a global IoT architecture is proposed, the main types and components of smart IoT wearables and garments are presented, their main requirements are analyzed and some of the most recent smart clothing applications are studied. In this way, this article reviews the past and present of smart garments in order to provide guidelines for the future developers of a network where garments will be connected like other IoT objects: the Internet of Smart Clothing.Xunta de Galicia; ED431C 2016-045Xunta de Galicia; ED341D R2016/012Xunta de Galicia; ED431G/01Agencia Estatal de Investigación de España; TEC2013-47141-C4-1-RAgencia Estatal de Investigación de España; TEC2016-75067-C4-1-RAgencia Estatal de Investigación de España; TEC2015-69648-RED

    Grafton, New Hampshire 2004 report of the town officers for the year ending December 31, 2004.

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    This is an annual report containing vital statistics for a town/city in the state of New Hampshire
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