This study is to investigate the fabrication of filled polyurethane elastomer tiles by
the reaction injection moulding (RIM) process. The base matrix is composed of a
crosslinked polyurethane elastomer formed by the reaction between a diisocyanate
(MDI) and a polyol (polytetramethylene glycol) and crosslinked by trimethylol
propane (TMP). The two fillers investigated were barium sulphate and Expancel
which were used to dissipate and scatter sonic waves in acoustic damping
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.
Great Britain, Ministry of Defence, Defence Evaluation and Research Agency (DERA).