single screw extruders pdf
B, Polym. Uploaded by Hugo Wizenberg. Non-uniform composition insufficient mixing leads inevitably to poor properties, and poor external appearance of the product as well as to non-uniform distribution of its properties. Polyesters have been synthesised in extruder reactors from low molecular weight prepolymer. An example is use of an alpha, omega aminocrboxylic acid to form polyamide with water as side product.
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