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Flax roving scouring and bleaching is the flax spinning the most critical process plays a decisive role in the entire spinning. The main chemical components of flax fiber cellulose, also contains hemicellulose, lignin, pectin, grease wax and other impurities;, the presence of other chemical components are not conducive to the smooth progress of the spinning cellulose. Flax roving hetero large, the low degree of fiber splitting, it is difficult for a high branched spun yarn spun, while the purpose of scouring and bleaching is to remove impurities such as pectin, lignin, and improve the degree of fiber splitting and spinnability. Flax roving stage after scouring and bleaching processing, reduced contact between the fibers, the fibers can be divided split into finer fibers, which will help improve the quality of yarn. With the flax spinning process of continuous improvement, scouring and bleaching process are constantly developed, more mature, scouring and bleaching process is sub-oxygen bleaching process. However, sub - oxygen bleaching process due to the use of chemical reagents such as sodium chlorite, these reagents in addition to the corrosion of equipment, equipment requirements, there will be a large number of toxic gases - chlorine dioxide to escape, so the workers poor working conditions, endangering the health of workers, serious pollution of the environment, therefore, sub-oxygen bleaching process has been unable to meet the requirements of environmental protection. The starting point of this topic is to abolish the use of sodium chlorite, to find an environmentally friendly and can meet the requirements of the flax spinning process, scouring and bleaching process plan. Hydrogen peroxide is a good bleach whiteness durable non-yellowing, non-corroding equipment, production environment, and does not affect the environmental. Oxygen bleaching process in Asia, although the use of hydrogen peroxide, but only played the supporting role, and did not really play to their strengths. Therefore, this project intends to use hydrogen peroxide as a major scouring and bleaching agents, to explore oxygen bleaching process plan, hoping to find not only satisfies spinning the needs of the environment-friendly, scouring and bleaching process. This paper described the flax roving cook the drift in the use of the main chemical reagent consumption, temperature, time, and other factors were scouring and bleaching effect, by single-factor test to determine the approximate range of the various factors, and then using orthogonal test method by Terrible, analysis of variance, and other mathematical analysis method, to compare the different boiling and bleaching program after processing a breaking strength of the fibers, the whiteness, the rate of weight loss, splitting degree index, the comprehensive analysis of the test results obtained optimal scouring and bleaching program, and proven test to verify the reliability of the optimal scouring and bleaching program. Followed by the test optimization to determine the flax roving roving process. Finally, the optimal solution is to get the factory practice to verify its feasibility. This issue through research, and ultimately come to the three possible practical feasibility of scouring and bleaching process. To verify the feasibility of a process for which process the shortest practice in the factory, and Practice has proved that the process in addition to the whiteness of less than factory production levels and other indicators and factory is roughly equal, therefore, To some extent, the feasibility of the process.
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