Rheological Behavior of Blend Spinning Solution of Sodium Alginate and Carbon Black

Abstract:

Rheological properties of blend spinning solution of sodium alginate and carbon black (SA/CB) were investigated. The results reported that blend spinning solutions were non-newtonian fluids. The apparent viscosity and structural viscosity index increased with increasing CB content in SA spinning solution, but the non-newtonian index decreased, both demonstrated the blend solution was sensitive to shear rates. Blend spinning solution with 6% CB had large flow activation energy (Eη), so the temperature must be controlled exactly in spinning. Temperature had similar impact on sample spinning solutions: the apparent viscosity decreased when it increased. Study on dynamic rheological behavior shows SA/CB blend spinning solutions had greater die swell ratio and worse flowability than pure SA solution, but the flowability of blend solutions could be regulated by changing temperature.

• Periodical: Advanced Materials Research (Volumes 332-334)
• Pages: 268-274
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.332-334.268
• Online since: September 2011
• Authors: Li Wen Tan, Quan Ji, Jian Jun Zhang, Feng Jun Wang, Feng Yu Quan, Yan Zhi Xia
• Keywords: Carbon Black (CB), Rheology, Sodium Alginate, Spinning

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