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Application on the Use of Paraffin in the Field of Phase Changes Textiles

Author: ZhangHongXing
Tutor: SunYuZuo
School: Hebei University of Science and Technology
Course: Textile Engineering
Keywords: Phase Change Material textile Phase Thermostat Textile adhesive Phase temperature Phase Change effect
CLC: TB34
Type: Master's thesis
Year: 2011
Downloads: 62
Quote: 0
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Abstract


With the rapid social development and the increasing improvement of living standard, people tend to pursue comfortable, health, functional and intelligent textiles, especially those which are characterized with intelligent thermostat function attract more and more attention. Phase Change Materials has great Phase Change latent heat to keep body comfortable in extreme cold and heating environment by using the phase thermostat textile made of Phase Change Materials. It is of vital importance to develop Phase Change thermostat products and research the performance of Phase Change thermostat textiles. There are numerous methods of applicating Phase Change Materials in the field of textiles, of which Phase Change textiles made through impregnation have advantages.This paper combined Phase Change Materials with textiles by impregnation, producing Phase Change textiles which may keep human body comfortable in cold environment and be applicated in frostbite protection.Based on the test on human body microclimate, this paper determined Phase Change temperature of Phase Change Materials used in frostbite protection and cold environment to keep body comfortable; according to the requirement of Phase Change Materials, different performance of various paraffin materials and Phase Change Materials required by textiles, the author chose C14-C22 even N-alkanes as textile Phase Change Materials and computed through schroder formula and then determined optimum ratio of Phase Change Materials which met the requirement of certain Phase Change temperature. On this basis, the author employed woven and knitted fabrics as absorption base of Phase Change Materials and studied different kinds of fabrics and absorption and maintenance performance of textile tissue structure on Phase Change Materials, setting optimum parameter of textiles; through the comparison of performance, Acrylic adhesive was used to increase absorption of Phase Change Material in textile and the holdings of Phase Change Materials; through experiment analysis, the optimum dosage of adhesive was established and it also studied the effect of the adhesive usage on Phase Change temperature and result; through the analysis of thermal buffer effect of Phase Change textile made, this paper tested the process of Phase Change and thermal buffer of Phase Change textile made, and then discussed the Phase Change thermostat effect of Phase Change thermostat textiles, proposing various methods to increase textile thermal buffer performance, such as repeat dipping, application of composite layer and so on.

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