Funding for this research was provided by:
Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol Fiber Material (HGY201805)
Natural Science Foundation of Hunan Province (2017JJ2231)
Article History
Received: 16 March 2019
First Online: 24 June 2019
Compliance with ethical standards
:
: All the authors do not have any possible conflicts of interest.