Abstract
AbstractIn order to take advantage of the potential benefits provided by solid‐state processing of thermoplastic polymers (1–3), conventional compaction and sintering techniques must be modified to prevent large‐scale recovery (or dimensional changes) that occur upon heating polymeric compacts above their respective glass transition temperature (Tg). Two solid‐state processing techniques that have the potential for reducing recover, hot compaction and consolidation (sintering polymeric compacts under applied pressure), were investigated in this study. The results presented in this paper show that while hot compaction (below Tg) does not prevent large‐scale recovery, consolidation using pressures as low as 50 kPa (7.3 psi) did significantly reduce recovery in polycarbonate compacts.
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