期刊
MATERIALS & DESIGN
卷 51, 期 -, 页码 658-664出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.04.070
关键词
Fluoroelastomer; Thermoplastic vulcanizate; Polyvinylidene fluoride; Dynamic vulcanization; Solvent resistance
资金
- National Science Foundation of China [51203105, 51073108]
- National High Technology Research and Development Program (863 Program) [SS2012AA062613]
Authors believe that two aspects of this manuscript will make it interesting to general readers of the journal Materials & Design''. First, in this manuscript we report for the first time that a new fluorine-contained thermoplastic vulcanizate (TPV) was successfully prepared through dynamic vulcanization. Our results indicated that the dispersion of FKM particles in PVDF matrix and the mechanical properties of TPVs were significantly improved after dynamic vulcanization. The tensile strength of PVDF/FKM (50/50) blends increased from 16.2 to 33.5 MPa, by about 107%; while elongation at break increased from 125.6% to 468.9%, by 2.7 times after dynamic vulcanization. Second, it was found that the solvent resistant properties of the prepared TPVs are better than the traditional compression molded FKM vulcanizates. The approach proposed here provides a viable technological alternative for the cost-effective preparation of fluorine-contained TPVs with superior properties to substitute present FKM vulcanizates which are difficult to recycle. (c) 2013 Elsevier Ltd. All rights reserved.
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