Research On Extraction And Spinnability Of Meyer Sedge Fiber

Meyer sedge degumming in meyer sedge fiber production process is the most important process in meyer sedge fiber production process,it plays an important role in the product quality stability and improving the process. Meyer sedge is a natural plant, belongs to pure Chinese herbal medicine, known to the world as grass. Its fiber is soft and durable, and it has a warm, antibacterial and deodorant, breathable, sweat absorption, insulation, moisture-proof and good health care function.Due to the chemical composition and bast fiber sedge of similar, so in the preparation process of meyer sedge fiber are mainly referred to the degumming of hemp fiber. However, traditional degumming technology itself has many defects, biological degumming method of environmental requirements is very high, and the degumming cycle is long, the process is very difficult to be controlled, and the environmental pollution is serious. Chemical degumming method has realized the industrialization, and the ability to mass production, but the degumming methods, process is relatively long, the consumption of more serious, chemical sewage discharge will cause serious pollution to the environment.At the same time, compared the sedge and ramie, flax, cellulose and hemicellulose content is relatively low, pectin, ash and extract were higher, while the content of lignin from Ramie and flax. Pectin and lignin is thought to be the glial component is difficult to remove, so the sedge degumming difficulty is greater, than the traditional textile crop, so, the topic for the sedge glial composition characteristics of reasonable design of the factors affecting the degumming process, from reducing emissions of pollutants, Protect environment, and obtain high quality Meyer sedge fiber, degumming process of Carex meyeriana were studied.The first, the hemp fiber degumming process used in the production of the method for extracting meyer sedge fiber degumming, and these methods are analyzed and compared, selected from meyer sedge fiber degumming process optimization.Then, the ultrasonic enzyme chemical degumming from sedge of meyer sedge fiber with orthogonal test method, multi index to research the optimal process, including ultrasonic pretreatment time, alkali cooking time, dosage of alkali, hydrogen peroxide dosage; in the biological enzyme degumming process, using the same method of orthogonal experiment, influence factors biological enzyme degumming of sedge(temperature, concentration of the enzyme) were studied, and selecting the optimal condition, make every effort to reduce the residual gum content in biological enzyme degumming process. For after work smoothly in order to reduce burden. To explore the optimal process conditions for meyer sedge degumming: ultrasonic pretreatment time is 60 min; biological enzyme degumming enzyme concentration is 12%(o.w.f), processing time is 10 h; the oxygen alkali scouring conditions: the concentration of NaOH 10 g/L, hydrogen peroxide concentration was 6 g/L, the temperature of 110 ℃scouring time 110 min.The last, study on the properties and spinnability of meyer sedge fiber. The physical process of fiber fineness, tensile strength and other properties were tested, the fracture strength of fiber fineness, length were 76.38~90.47 mm, process were 2.83~4.36 tex, 3.30 cN/dtex. And compared to determine the feasibility of the development of meyer sedge fiber can be spun with hemp fiber.