Thermal and photochemical degradation of PPO/HIPS blends
β Scribed by Clodoaldo Saron; Elisabete M. S. Sanchez; Maria Isabel Felisberti
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 152 KB
- Volume
- 104
- Category
- Article
- ISSN
- 0021-8995
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## Abstract The thermal stability of polymer blends was investigated by means of gas chromatographyβmass spectroscopy (GC/MS) and thermal analysis. Evaluated changes in thermal stability can be attributed to blending. On the other hand, we were interested in whether blending may provide a method to
The graft copolymer of high-impact polystyrene (HIPS) grafted with maleic anhydride (MA) (HIPS-g-MA) was prepared with melt mixing in the presence of a free-radical initiator. The grafting reaction was confirmed by infrared analyses, and the amount of MA grafted on HIPS was evaluated by a titration