期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 538, 期 -, 页码 7-13出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2017.10.077
关键词
Poly(epsilon-caprolactone); Electrospraying; Thiol-ene click reaction; Nanostructure
资金
- National Natural Science Foundation of China [21473153]
- Support Program for the Top Young Talents of Hebei Province
- China Postdoctoral Science Foundation [2015M580214]
- Scientific and Technological Research and Development Program of Qinhuangdao City [201701B004]
- Undergraduate Training Programs for Innovation and Entrepreneurship of Hebei Province [201710216099]
Facile preparation and UV stabilization of electrospun poly(e-caprolactone) (PCL)/2-methyl-3-(trimethoxysilyl) propylester (M8POSS)/pentaerythritol tetrakis(3-mercaptopropionate) (PETM) composite fibers via thiol-ene click reaction were investigated. The morphological studies clearly showed the M8POSS and PETM macromers were excluded from PCL crystalline phase during electrospinning. The cross-linking reaction occurs in the amorphous phase of PCL fibers and possibly the fiber surface. By locking amorphous PCL chains into the crosslinked M8POSS and PETM through thiol-ene click reaction, we are able to fabricate PCL/POSS composite fibers, which can remain structural stability under UVC for longer period of time. The facile fabrication of the composite fibers via thiol-ene click reaction reported here provided valuable insight into not only the surface coating of medical devices but also new biocompatible composite materials.
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