Shandong Provincial Key Laboratory of Olefin Catalysis and Polymerization, Key Laboratory of Rubber-Plastics (Ministry of Education), School of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
Ai-hua He (贺爱华), E-mail: aihuahe@iccas.ac.cn or ahhe@qust.edu.cn
收稿:2015-11-30,
修回:2015-12-31,
录用:2016-1-22,
纸质出版:2016-06
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Nie Hua-rong, Wang Chao, He Ai-hua. Fabrication and Chemical Crosslinking of Electrospun
Nie Hua-rong, Wang Chao, He Ai-hua. Fabrication and Chemical Crosslinking of Electrospun
Nie Hua-rong, Wang Chao, He Ai-hua. Fabrication and Chemical Crosslinking of Electrospun
Nie Hua-rong, Wang Chao, He Ai-hua. Fabrication and Chemical Crosslinking of Electrospun
In this work
the optimal electrospinning conditions of
trans
-polyisoprene (TPI) solutions were evaluated nevertheless its lower glass transition temperature than the room temperature. Subsequently
chemical crosslinking of TPI nonwovens was firstly investigated by vulcanizing at high temperatures in the case of the persistence of nanofiber structure. For this purpose
curing agents of TPI were embedded in TPI nanofibers by co-electrospinning
and then a protect layer was coated on TPI nanofibers by filtering gelatin solution going through TPI nonwoven before the vulcanization at 140-160 ℃. The results showed that the vulcanization of TPI fibrous nonwoven at high temperatures did not destroy the fiber morphology. Interestingly
TPI fibrous nonwovens after vulcanization showed excellent mechanical properties (~17 MPa of tensile strength) that could be comparable to or even higher than that of some bulk rubber materials.
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