The commercial & newly commercial organic peroxides used in this paper are:
- Luperox® DC40KEP, (VaroxÒ DCP-40KE) -- 40% dicumyl peroxide on inert filler designated as DC40KE in this paper
- LuperoxÒ DC40P-SP2, (VaroxÒ DCP-40C-SP2) -- Enhanced Scorch Protected 40% dicumyl peroxide on inert filler, designated as DC40P-SP2 in this paper
- LuperoxÒ F40KEP, (VaroxÒ 802-40KE) -- 40% di(t-butylperoxy)diisopropylbenzene on inert filler, designated as F40KE in this paper
- LuperoxÒ F40M-SP, (VaroxÒ 802SP-40MB) -- Scorch Protected 40% assay di(t-butylperoxy)diisopropylbenzene compounded into an EPDM in a cubed pellet form, designated as F40M-SP in this paper
- LuperoxÒ F40P-SP2, (VaroxÒ 802-40C-SP2) -- Enhanced Scorch Protected 40% di(t-butylperoxy)diisopropylbenzene on inert filler, designated as F40P-SP2 in this paper
Elastomers, peroxide formulations and coagents (if used) were mixed using a C.W. Brabender Plasti-Corder Model EPL-V5502 with an oil-heated mixing head Model R.E.O-5. Crosslinking evaluations were conducted using an Alpha Technologies MDR 2000 and an Alpha Technologies RPA (Rubber Process Analyzer) upgraded with a new instrument board and the latest software.
Additional data for this paper was also kindly provided by: Zeon Chemicals L. P., and The R. T. Vanderbilt Company, Inc.
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