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The non-isothermal crystallization kinetics and foaming properties of polypropylene (PP) filled with various contents of diatomite were investigated. The results showed that the diatomite had strong effects on the PP crystallization kinetics, which significantly increased the crystallization temperature and reduced crystallite size. These were attributed to the nucleation effect of the diatomite particles...
Summary Four aromatic poly(ether sulfone)s (PESs) based on (3-niethyl)phenylhydroquinone. (3-trifluoromethyl)plienylhydroquinone, (3,5-dimethyl)phenyIhydroquinone, and (3,5-ditrifluoromethyl)phenylhydroquinone were prepared via a nucleophilic aromatic substitution polycondensation with bis(4-fluorophenyl) sulfone. These PESs had a high thermal stability with a 5% weight loss above 423 °C in N2. The...
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