Conversion of polymerization can be improved by using oxidation-reduction initiator system but it is difficult to extend the idle time.

Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.

This paper, introduces a new REDOX initiation system (BPO-DHPT) which makes methyl methacrylate resin cure effectively at room temperature.