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Fracture of ultrafine calcium carbonate/polypropylene composites

✍ Scribed by G. Levita; A. Marchetti; A. Lazzeri

Publisher
Society for Plastic Engineers
Year
1989
Tongue
English
Weight
406 KB
Volume
10
Category
Article
ISSN
0272-8397

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The non-isothermal crystallization behaviour of high purity b-phase and a-phase polypropylene (PP) and their calcium carbonate-Ðlled composites was investigated by means of di †erential scanning calorimetry. High purity b-PP polymer was prepared by adding an e †ective b-nucleator consisting of equal