A blend of commercial PVC was injection moulded using two different
cavities: a small thin square plaque and a larger rectangular one of
a variety of thicknesses. The effects of changes in processing conditions
were related to the resulting properties and structure of these mouldings
and shown to vary with positioning in the plaque. [Continues.]
A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.