Papers by Keyword: Textile

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Authors: Ke Jie Fu, Qi Bei Bao, Yun Feng, Li Sheng Yang, Chang Sheng Feng, Song Zhang
Abstract: a new method for rapid detection of formaldehyde has been developed in this research. Under this method, the formaldehyde solution has condensation reaction with 4-amino-3-hydrazine-5-mercapto-1,2,4-triazole (AHMT) and is oxidized by potassium periodate to produce purple chemical compounds. The method for rapid detection of the formaldehyde content in textiles has been optimized after researching primary influencing factors and considering the specimen extraction effect in GB/T 2912.1-2009.This method is sensitive, accurate and fast, taking only 12.5min, 9.6 times faster than the method provided in GB/T 2912.1-2009.
Authors: Mohd Azam Musa, Wan Ahmad Najmuddin Wan Saidin, Nazrul Idzham Kasim, Mohd Irman Ibrahim, Noraishah Mohamad Noor
Abstract: The joint technology using ultrasonic welding is used to bond plastic material. Currently there are many researches to study the feasibility of using ultrasonic bonding to joint other materials. This paper reviewed the study on using ultrasonic bonding to joint multi metal, surface mount component, and textile material. The process configurations of each material are discussed and the results for each study are also presented. The multi metal materials bonding result shows that these materials bonded well to each other. The ultrasonic bonding strength for SMT components was as good as reflow oven and it was cosmetically accepted. The configuration of textile materials is investigated using vibrating ultrasonic horn and stationary anvil using high mechanical vibration and the result show it can be integrated ultrasonically. With advancement of computer control in ultrasonic welding, this technology can be used for any material in future to achieve world class manufacturing.
Authors: Ye Hong Wang, Jian Liu
Abstract: According to the documents and nongovernmental recording, there had been various color names of textiles in Qing dynasty. For example, there were at least 40 colors recorded in the official documents. Process of dyeing got to be good and stable in Qianlong 19th , there were at least 30 different dyeing processes at that time, such as direct dyeing, mordant dyeing, deoxidize dyeing and so on, or something more complicate. The dye stuff included indigo, rhubarb, young fustic, safflower, brazilwood, buds of pagoda tree, Amur cork, cape jasmine, gall, hulls of acorn. Dyeing additives included alum, alkali, prunus mume and almond oil. Rules for blue, red, green dyeing were stricter, while that for yellow and other colors were more flexible.
Authors: Wen Liang Mao, Hai Xiang Chen, Lei Wang
Abstract: The main purpose of this study was to characterize the adsorption behavior of naphthalene, one of polycyclic aromatic hydrocarbons (PAHs), on silk fabric. Typical batch reactors were used to perform adsorption kinetics and isotherm experiments. It was found in this study that the pseudo-second-order model described the sorption kinetics data well. An adsorption isotherm in the form of Linear Equation was observed, and the adsorbed capacity was influenced evidently by the enhanced temperature. In addition, the results demonstrated that silk fabric could adsorb large amounts of naphthalene from water, and the maximum exceeded 700 μg/g.
Authors: Shi Ping Yin, Shi Lang Xu
Abstract: The influences of the mesh sizes, the surface treatment and cover thickness of the textile on anti-crack and bearing capacity of the competent were investigated. Additionally, to prevent the splitting of the concrete, hanging U-shaped hook upon textiles was also experimentally studied. The experiment results indicate that sticking sand on epoxy resin-impregnated textile and reduced cover thickness are helpful to improve the mechanical performance of the component; the textile with 10mm×10mm mesh size is superior than that with 20mm×20mm mesh size regardless of in the respect of enhancing the bearing capacity of the TRC or in the respect of controlling matrix cracking; the novel method of adding U-shape iron hook not only can improve the bonding performance between the textile and the concrete, but also can enhance the shearing capacity of the concrete.
Authors: Wei Guo, Shi Hai Zhao, Xian Bao Wang
Abstract: Firstly, the development of a general image processing program , and the image processing program , select a certain number of wool fibers MATLAB2010 SEM images of image processing software platform programming experiment to achieve clear image contains a description of the fiber diameter index , and based on the processed in previous studies, the diameter of the image measurement method based on the improved measurement methods and a detailed description of the experiment show that the method can greatly improve the recognition accuracy of wool fibers .
Authors: Mei Jun Chen, Tao Qiu, Xue Ke Sun, Cen Feng
Abstract: Based on the current color fastness standard of textiles at home and abroad, this paper gives a comparative analysis of the testing standard of related indicators, discuss the major color fastness of textiles including color fastness to water, to perspiration, to rubbing, to laundering. The quantified data of the sample test results show that there are some differences among the test methods, the equivalent of quantitative values and the requirements of indicator in GB, ISO, AATCC.
Authors: Lisa M. Dangora, James Sherwood, Cynthia Mitchell
Abstract: During the manufacturing of fabric-reinforced composite parts using a matched-die compression molding process or liquid composite molding, the fabric may experience local in-plane compressive loads that cause out-of-plane deformations. The waves that result from this outofplane motion can lead to the formation of resin rich pockets (during the infusion stage of a dry fabric) or they may be forced down into a fold by the tooling. Defects such as resin-rich pockets and folds compromise the structural integrity of the formed composite part. Therefore, it is valuable to have a simulation tool that can accurately capture the fabric bending properties and predict the locations where waves or folds are likely to occur as a result of the manufacturing process. The tool can then be used to investigate changes in the forming parameters such that the development of such defects can be mitigated. A hybrid finite element model used with a discrete mesoscopic approach captures the behavior of continuous fiber-reinforced fabrics where the fabric yarn is represented by beam elements and the shear behavior is implemented in shell elements. User-defined material subroutines describe the mechanical behavior of the beams and shells for their respective contributions to the overall fabric behavior. Simulations are used to demonstrate the ability of the modeling approach to predict the amplitude and curvature of out-of-plane waves. The simulation results are compared with experimental data to show the accuracy of the modeling. Additional models are presented to demonstrate the capability of the simulation tool to capture fabric folding.
Authors: Yun Tong
Abstract: Discussion on application on ecological size on warp sizing in textile production, aimed to substitute PVA(Polyvinyl alcohol) as primary size in warp slashing, which has been used for a long term despite of poor degradation in nature. Concerning the ecological sizing, the key factors such as size property, sizing recipe as well as technique parameters known as sizing regain, moisture regain, elongation regain, squeezing pressure, viscosity of size glue, solid content and other factors has been discussed.
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