Study On Modified Viscose Fibers

This article has diatomite of the strong absorption of the natural bio-mineral materials added to the viscose spinning solution the Chinese Communists mixing and spinning, with the absorption of harmful gases modified viscose fibers.First, the solubility of the diatomite has been tested. Experiments show that the diatomaceous earth itself is insoluble in water, grinding of diatomite particles to the nanoscale can be compatibility with the viscose spinning solution. Different amount of nano-grade diatomaceous earth were added to the viscose spinning solution blend spinning liquid, and to study the performance of the different ratio of blend spinning solution. The results show that diatomite is added to improve the viscosity of the blend spinning liquid. The diatomite add more, the greater the viscosity of the blend spinning solution. Also found that the smaller blend spinning solution viscosity with increasing temperature.Secondly, the preparation and the nature of the blend films have been tested. From bio-microscope photographs of the blend film and scanning electron micrographs of the blend film surface roughness than that of pure viscose membrane and a granular substance, with the increase of diatomite addition, the blend film surface becomes more rough, The increase in particulate matter. Compared with the viscose film strength and elongation at break of the blend membranes decreased slightly with the increase in the amount of diatomaceous earth to add strength and elongation at break of the blend membranes decreased gradually. Blend membranes swelling ratio than that of pure viscose membrane large, and increased with the the diatomite add the amount of the blend membranes swelling ratio gradually increases the dimensional stability of the blend film is getting worse. Blend membrane adsorption tests show that the performance of the blend films with absorption of harmful gases.Then, I use the wet spinning successfully spun out of diatomite modified viscose fibers and to test its basic performance. Modified viscose fiber cross-section of ordinary viscose fiber outer edge of the contour is clearer, more obvious jagged. Can be seen by the electron micrograph of diatomite modified viscose fibers in diatomite and cellulose separation phenomenon; the degree of crystallinity of the diatomite modified viscose fibers and viscose fibers compared to no significant difference in the degree of orientation but less than the degree of orientation of the viscose fiber; decrease in room temperature dry state, the breaking strength of modified viscose fibers.Finally, the performance of the modified viscose fibers absorb harmful gas has been texted. The experiment measured the modified fiber has a good adsorption performance.