Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 17, Issue 6, Pages 3859-3863Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2017.13987
Keywords
Poly(vinyl chloride); Wood Flour; Composite Foaming; Surface Treatment; Mechanical Properties
Categories
Funding
- National Science Foundation of China [51407134]
- China Postdoctoral Science Foundation [2016M590619]
- Natural Science Basic Research Plan in Shaanxi Province of China [2015JM5215]
- Special Scientific Research Program of Shaanxi Provincial Department of Education [16JK1043]
- Key Project of Baoji University of Arts and Sciences [ZK16072]
- Baoji Engineering Technology Research Center for Ultrafast Optics and New Materials [2015CXNL-1-3]
- China Scholarship of Council [201508615058]
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Various particle size wood fibers (WF) were used to enhance poly(vinyl chloride) (PVC) in preparing PVC/WF composite foam. Sodium hydroxide (NaOH) solution and 3-triethxysilyl-1-propanamine (KH-550) as surface treatment reagents were used to modify WF. The modified WF was characterized by FT-IR. The PVC/modified WF composite foam were prepared via the one-step compression molding. The structure and properties of PVC/modified WF composite foam were studied. The tensile strength of PVC/WF foam increased with the particle size of WF decreasing. When the particle size of WF was 120 mesh, the tensile strength of PVC/WF foam reached the maximize value (1.04 MPa). Compared to KH-550 treatment, the results showed that the PVC/WF composite modified by 15% NaOH/WF could get the best performance. The density of PVC/15% NaOH modified WF composite foam decreased from 215.4 kg/m(3) to 102.2 kg/m(3) and the tensile strength enhanced by 112%.
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