Abstract
Response surface analysis was applied to optimize the processing of preparing the heat-resistance of the cotton stalks bast fiber reinforced PLA composite. Effects of all factors were evaluated and three factors were selected, which were addition of TAIC, mass fraction of fibers and length of fibers. Subsequently, response surface analysis based on Box-Behnken experimental design was employed to evaluate the interactive effects of three factors. One mathematical model for the processing of composites as functions was established. The results showed that the optimal processing was that the addition of TAIC was 2.1%, the mass fraction of fibers was 26.7%, the length of fibers was 11.7mm, and the HDT of composite was 161.39°C. Under the optimal conditions, the true value was close to the predicted value.
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