cqvip:Based on results of single factor experiments,analytical levels for three additives were established and experimental scheme was designed by central composite of response surface methodology(RSM) with the software of Design-Expert 7.1.6.Funnily,we got the SA-CS blending fiber with a strength of 13.56 cN/tex,should be spun at the conditiongs as follows: The mass dosage of SA to the polysaccharide was 48.89%,the temperature of the water bath was 58.57℃,and the response time was 29.31 minutes.,and in the predict model,the result shows as 13.5688cN/tex,compared the later with the former,it has the error of 0.064%.
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