Affiliation:
1. College of Material and Textile Engineering, Jiaxing University, Jiaxing, China
Abstract
College of Material and Textile Engineering, Jiaxing University, Jiaxing,
China The present study reports post-electrospinning crosslinking of
guar/polyvinyl alcohol (PVA)/citric acid nanofiber membranes by heat
treatment. Porous, interconnected nonwoven nanofiber membranes (average
diameter 194?23 nm) were electrospun from a homogeneous blend of 1wt% guar
gum and 8wt% polyvinyl alcohol solution (3:7 weight ratio) containing 5 wt%
(by the total weight of the solution) citric acid. The electrospun nanofiber
membranes were then cured at 140 oC for 2 h. The crosslinked nanofiber
membranes were insoluble in water, while the non-crosslinked membranes
dissolved instantaneously. FT-IR spectrum investigates that crosslinking of
guar/PVA occurred through esterfication reaction during heat treatment.
Publisher
National Library of Serbia
Subject
Renewable Energy, Sustainability and the Environment
Cited by
9 articles.
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