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Properties reaction time and temperature

The combination of these unique appendages—plus the different equipment, reaction pressures, and temperatures, use of comonomers and catalyst —result in quite different properties for each thermoplastic. But they all can be remolded, melted, or dissolved a number of times after initial formation. [Pg.357]

A novel basic support and catalyst have been prepared by activation of aluminium phosphate with ammonia. Fine control of time and temperature allows to adjust the 0/N ratio of these oxynitride solids and thus to tune the acid-base properties. The aluminophosphate oxynitrides are active in Knoevenagel condensation, but a basicity range can not yet determined. Supporting Pt or Pt/Sn on AlPONs allows to prepare catalysts that are highly active and selective in dehydrogenation reactions. [Pg.84]

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