DuPont Dow introduces high Mooney EPDM types: gas-phase process used for EPDM grades which can be highly filled. (Rubber news).(Ethylene-Propylene-Diene-Monomer)

European Rubber Journal, December, 2002 by Shaw, David

DuPont Dow Elastomers is introducing a grade of non-oil extended EPDM with high Mooney viscosity. Torkel Rhenman, DDE's global business director for EPDM products said existing high Mooney grades are all oil-extended at the manufacturing stage, and presented in bale form. The new grade, known as MG47130, is offered in pellet form, with a light fill of carbon black but no oil.

He said the new grades can only be made in the company's plant at Seadrift, Texas, which uses metallocene catalysts and gas-phase polymerisation. That plant first came on stream earlier in 2002, after DDE acquired it from Dow Chemical following Dow's acquisition of Union Carbide Corp.

This is the third grade of EPDM to come out of the Seadrift plant in the first few months of a...

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