Experimental and theoretical study of twin-screw extrusion of polypropylene
β Scribed by O. S. Carneiro; J. A. Covas; B. Vergnes
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 378 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0021-8995
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## Abstract This article reports an experimental and theoretical study of the peroxideβinduced degradation of polypropylene in a corotating twinβscrew extruder. Experiments were performed with different peroxide concentrations and different operating conditions. The evolution of the chemical reacti
Figure 7. Influence of barrel temperature and isolated soybean protein concentration on the colour difference of the product at 23% feed moisture.
Dietary fibre from soya residues (by-products of soya bean curd production) before and after twin-screw extrusion were fractionated into water insoluble, 5 g kg-' ammonium oxalate insoluble, 40 g kg-' KOH insoluble and 240 g kg-' KOH insoluble fractions. The porous property, swelling ability in wate