Chem. J. Chinese Universities ›› 2015, Vol. 36 ›› Issue (9): 1807.doi: 10.7503/cjcu20150414
• Polymer Chemistry • Previous Articles Next Articles
SHI Qisong*(), ZHAO Yining, ZHANG Mingchun, JIN Xinyi, LIU Yanchi, YANG Mingshan
Received:
2015-05-22
Online:
2015-09-10
Published:
2015-08-21
Contact:
SHI Qisong
E-mail:shiqisong@bipt.edu.cn
CLC Number:
TrendMD:
SHI Qisong, ZHAO Yining, ZHANG Mingchun, JIN Xinyi, LIU Yanchi, YANG Mingshan. Electrospinning Fabrication of PAN/Eu-fatty Acid Phase Change and Luminescence Bifunctional Composite Nanofibers†[J]. Chem. J. Chinese Universities, 2015, 36(9): 1807.
Sample | m(Eu-fatty acid)/g |
---|---|
S1(PAN/Eu-SA) | 0.34 |
S2(PAN/Eu-SA) | 0.51 |
S3(PAN/Eu-SA) | 0.85 |
S4 (PAN/Eu-SA) | 1.19 |
S5(PAN/Eu-LA) | 0.85 |
S6(PAN/Eu-MA) | 0.85 |
S7(PAN/Eu-PA) | 0.85 |
Table 1 Material ratios of precursors solution for prepa-ring PAN/Eu-fatty acid composite nanofibers*
Sample | m(Eu-fatty acid)/g |
---|---|
S1(PAN/Eu-SA) | 0.34 |
S2(PAN/Eu-SA) | 0.51 |
S3(PAN/Eu-SA) | 0.85 |
S4 (PAN/Eu-SA) | 1.19 |
S5(PAN/Eu-LA) | 0.85 |
S6(PAN/Eu-MA) | 0.85 |
S7(PAN/Eu-PA) | 0.85 |
Fig.1 SEM images of electrospun PAN/Eu-SA fibers different Eu3+ mass ratios(A) PAN(260 nm); (B) S1(440 nm); (C) S2(453 nm); (D) S3(480 nm); (E) S4(600 nm).
Fig.2 SEM images of electrospun PAN/Eu-fatty acid fibers at different fattyacid(A)PAN/Eu-LA(S5)(285 nm); (B) PAN/Eu-MA(S6)(384 nm); (C) PAN/Eu-PA(S7)(396 nm); (D) PAN/Eu-SA(S3)(480 nm).
Fig.5 Emission spectra(A) of PAN/Eu-SA composite nanofibers(S1, S2, S3 and S4) with different mass fractions of Eu-SA to PAN(λex=280 nm) and relationship between Eu-SA content and luminescence intensities of peak at 614 nm for PAN/Eu-SA composite nanofibers(B)
Sample | Tm/℃ | ΔHm/(kJ·kg-1) | Sample | Tm/℃ | ΔHm/(kJ·kg-1) |
---|---|---|---|---|---|
S3 | 64.54 | 65.91 | SA | 67.99 | 192.02 |
S5 | 46.34 | 60.32 | LA | 49.48 | 166.93 |
S6 | 56.57 | 65.32 | MA | 59.27 | 202.02 |
S7 | 57.14 | 67.48 | PA | 62.31 | 207.65 |
Table 2 Melting temperatures(Tm) and melting enthalpies(ΔHm) of electrospun fine composite fibers
Sample | Tm/℃ | ΔHm/(kJ·kg-1) | Sample | Tm/℃ | ΔHm/(kJ·kg-1) |
---|---|---|---|---|---|
S3 | 64.54 | 65.91 | SA | 67.99 | 192.02 |
S5 | 46.34 | 60.32 | LA | 49.48 | 166.93 |
S6 | 56.57 | 65.32 | MA | 59.27 | 202.02 |
S7 | 57.14 | 67.48 | PA | 62.31 | 207.65 |
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