Abstract
The effects of three inorganic fillers (talc, sericite, calcium carbonate) on UV irradiation resistance of homo-polypropylene (PPH), block-polypropylene (PPB) and random-polypropylene (PPR) were studied by melt blending, and the microstructure and macro-properties of the composites were characterized by chromatic aberration, stereomicroscopy, Fourier transform infrared spectroscopy (FTIR), et al. The results show that the blend systems containing PPB exhibit the highest UV irradiation resistance. The interfacial bonding property between calcium carbonate and the PP matrix is relatively poor compared to that between lamellar talc or sericite and the PP matrix. The carbonyl indexes of PPH/sericite, PPB/sericite and PPR/sericite are 0.11, 0.14 and 0.02, respectively. PPR/sericite has higher UV irradiation resistance owing to its lowest carbonyl index in comparison with those of the other two composites.
| Original language | English |
|---|---|
| Pages (from-to) | 65-69 and 74 |
| Journal | Hecheng Shuzhi Ji Suliao/China Synthetic Resin and Plastics |
| Volume | 31 |
| Issue number | 5 |
| State | Published - 25 Sep 2014 |
Keywords
- Calcium carbonate
- Composite
- Polypropylene
- Sericite
- Structure
- Talc
- Ultraviolet radiation