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中文摘要：
以六氟异丙醇（HFIP）为丝素／聚乳酸（SF／PLA）的溶剂，得到了不同质量比的SF／PLA共混溶液。采用锥板流变仪研究了共混溶液的流变性能，探讨了共混溶液的非牛顿指数、流动曲线及表观粘流活化能。研究结果表明，在本实验条件下，共混溶液为非牛顿流体；低剪切速率时，SF／1）LA共混液是剪切增稠流体；高剪切速率时，SF／PLA共混溶液是剪切变稀流体，添加PLA组分使共混液的黏度下降；各种比例SF／PLA共混溶液的黏度受温度影响不大。
英文摘要：
Aimed to research for the silk fibroin performance, hexafluoro-2-propanol （ HFIP ） dissolved and polylactic acid （SF/PLA）blending solution rheology SF/PLA with different blending ratio, gained SF/PLA blending solution. Adopted the awl board rheometer to research the blending solution rheology performance of the shear rate scope within 0 s-1-1000 s-l at the temperature of 15 ℃, 20 ℃, 25 ℃, 30 ℃respectively, discussed the Non-Newton index, the flow curve and apparent pastic flow activation energy of the SF/PLA blending solutions. The results indicate： under this experimental condition, the blending solution is non-Newtonian fluid. In the low shear rate scope, SF/PLA blending solution is the shear thickening fluid. In the high shear rate scope, SF/PLA blending solution is the shear thinning fluid, the increased polylactie acid （PLA） component makes the blending solution＇s viscosity to reduce. The temperature affects all kinds of proportion SF/PLA blending solution a little.
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