Study On Extraction、Basic Properties And Spinnability Of Lotus Fiber

Nowadays,the production and application of chemical fiber and traditional natural fiber are restricted to a certain extent.On the one hand, the chemical fiber production is subject to the non renewable oil resources, more and more high production costs, and the plight of the extremely serious pollution;on the other hand, the traditional natural fiber is limited by the growth condition, the land bearing, the productive resources.Therefore, the development of new biomass fiber has become more and more urgent.In this study,study on the structure, properties and application of textile of louts fiber that extract from lotus stem.The literature suggests that there are few research about lotus fiber, and lack of convincing data.In recent years, it has not been reported that the development and the rapid development of the lotus stem fiber. From the point of view that the amount of the lotus stem and the lotus stem is easy to be harvested, the research on the extraction of waste fiber from Lotus stem is more practical.This study focuses on the following four aspects:First, the different extraction methods of lotus fiber,such as Chemical extraction method, steam explosion method, microorganism degradation method, manual extraction method;Second,study on the basic microstructure, chemical composition and mechanical properties of lotus fiber;Third,study on the spinnability of lotus fiber and try to blend it with Australian cotton;Fourth,testing the properties of blended yarns,and try to weaving with the blended yarns.The result of study on different on extraction method has documented that:1) chemical method is not only high cost, pollution, and it is difficult to ensure that the fiber properties are not destroyed; 2) there is no control in the process of steam explosion, and the mechanical properties of lotus fiber can be destroyed;3) microbial degradation method to extract lotus fiber, fiber is difficult to purify, and it may damage the mechanical properties of lotus fiber;4) the manual extraction, have less restriction factors, and easy to realize fiber extraction.The study on the basic specifications, microstructure and mechanical properties of lotus fiber show that:1) lotus fiber is pale yellow;2) SEM photos show that lotus fiber is 3-8 monofilament spiral structure and composition of multifilament diameter between 2 μm-4μm, each of the monofilaments was approximately cylinder;3) the infrared spectrum shows that the lotus fiber is mainly composed of cellulose and lignin;4) the thermal weight analysis showed that lotus fiber began to decompose at about 160℃, and its main weight loss temperature was 260℃;5) lotus fiber’s moisture regain is 11.1%;6) FAVIMAT+ universal type automatic fiber analyzer showed that the elongation at break of lotus fiber is 1.75%, the size is 2.01 detx, fracture strength is 29.60cN/dtex, breaking strength is 4.89cN;7) the friction coefficient of the lotus fiber to the rubber is 0.66.The blending of lotus fiber with Australian cotton and spin pure cotton yarn made from the same process,contrast the two,the blended yarn color presents natural light brown and has better moisture absorption performance.Study on the spinniability of the lotus fiber show that:1) lotus fiber can be blended with Australian cotton,spun blended yarn blended ratio: Cotton/Lotus is 80/20, process: manual open pine-HFAXA1 carding machine combing-HFXA2 drawing frame drawing-FA493 roving machine-DSSP01 A spinning machine;2) In the total number of yarn hairiness, the blended yarn have 16.7% more than pure cotton yarn;3) the breaking strength of the blended yarn is 492.8cN, CV is 33.29%, the elongation is 5.9%, CV is 17.62%;4) compared with the pure cotton yarn, the wear resistance of the cotton / Lotus blended yarn is worse than the pure cotton yarn,the yarn break in the No. 600 sandpaper after 80.1times friction;5) The blended yarn moisture regain is 10.1%;6)The blended yarn can be woven.The study showed that the extraction of lotus fiber is convenient and have a certain output;Have a good color, moisture absorption and physical and mechanical properties, and have considerable potential in the textile industry.