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| Figure 7: PP/PLA core-shell fibers cross sectioned and imaged with FIB. (A) PLA core/PP shell with PLA: PP mass ratio of 50:50. PP core/PLA shell with PP: PLA mass ratios of (B) 15:85, (C) 50:50 and (D) 90:10. Fibers were all collected at an aspirator pressure of 25 psi [30]. |
