Abstract
The nano SiO2/polyphenylene sulfide (PPS) and SiO2-glass fiber(GF)/PPS composite were prepared to investigate the effects of nano SiO2 on the properties of PPS and GF/PPS composites. Nano SiO2 was used to manufacture SiO2/PPS by melt blending and SiO2-GF/PPS by hot press molding, and effects were characterized by SEM, DSC, DMA and mechanical tests. The results show that the crystallinity and bending properties of PPS can be improved with nano SiO2 uniformly dispersing in the matrix by melt blending. The mechanical properties of SiO2-GF/PPS composite are significantly improved by adding 1wt% nano SiO2, the interlaminar shear strength increases by 49.4%, the flexural strength increases by 30.6%, and the flexural modulus increases by 14.6%. The addition of nano SiO2 can improve the glass transition temperature of GF/PPS composite, and the particle can also improve the toughness of resin matrix and hinder the growth of cracks.
| Translated title of the contribution | Properties of nano SiO2/poly-phenylene sulfide and SiO2-glass fiber/ poly-phenylene sulfide composites |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 2397-2404 |
| Number of pages | 8 |
| Journal | Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica |
| Volume | 35 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1 Sep 2018 |
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