Citation: Jia-zi Hou, Xiao-ping Sun, Wan-xi Zhang, Li-li Li, Hong Teng. PREPARATION AND CHARACTERIZATION OF ELECTROSPUN FIBERS BASED ON POLY(L-LACTIC ACID)/CELLULOSE ACETATE[J]. Chinese Journal of Polymer Science, ;2012, 30(6): 916-922. doi: 10.1007/s10118-012-1191-6 shu

PREPARATION AND CHARACTERIZATION OF ELECTROSPUN FIBERS BASED ON POLY(L-LACTIC ACID)/CELLULOSE ACETATE

Received Date: 24 April 2012
Revised Date: 30 June 2012

Fund Project: This work was financially supported by the National Natural Science Foundation of China (No. 51103058), the Youth Foundation of Jilin Province (No. 201101059) and Open Foundation of Key Laboratory of Automobile Materials (Jilin University), Ministry of Education (No. 10-450060326014).

PLLA/CA mixtures of different compositions were successfully electrospun to obtain composite nanofibrous membranes. The microstructures of the membrances changed from homogeneous to heterogeneous with the addition of CA, which was observed by FE-ESEM. The PLLA/CA fabric membranes were characterized by mechanical testing, DSC and contact angle measurements. The tensile stress of the composite ?brous membranes increased obviously with the increase of CA content. DSC results indicated that the CA component was the main factor for the changes of enthalpies in the composite ?bers. Contact angle measurements showed the hydrophilicity of the electrospun nanofiber membranes was improved with the addition of CA.
- Electrospinning,
- Poly(L-lactic acid),
- Cellulose acetate,
- Fiber,
- Tensile stress
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