Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 31, Issue 18, Pages 1641-1645Publisher
WILEY-BLACKWELL
DOI: 10.1002/marc.201000211
Keywords
electrospinning; nanofibers; liquid crystal polymer
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Funding
- New Energy and Industrial Technology Development Organization, NEDO, Japan
- Grants-in-Aid for Scientific Research [22340120] Funding Source: KAKEN
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Liquid crystal polymer nanofibers with a diameter ranging from 0.13 to 4.71 mu m were prepared by electrospinning from a main-chain liquid crystalline polyester, BB-5(3-Me). WAXD measurements showed that the formation and orientation of the ordered structure in the electrospun fibers were controlled by the fiber diameter formed during electrospinning. For BB-5(3-Me), the SmA structure with two layer spacings was formed in the fiber during the electrospinning. Under optimal spinning conditions, the SmA structure is highly oriented in the fiber. In addition, annealing transformed the metastable SmA structure in the BB-5(3-Me) fiber into stable SmCA one.
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