Abstract
Abstract Blending of ethylene–methyl acrylate (EMA) copolymer and polydimethyl siloxane (PDMS) rubber led to miscibility of the two components under the processing conditions of 180°C and 100 rpm rotor speed, and the miscibility was assumed to be due to reaction between EMA and PDMS rubber. A plausible mechanism has been suggested. The mechanism has been confirmed by infrared and solid-state MAS nuclear magnetic resonance spectroscopy, which show a reduction in the vinyl group concentration of PDMS rubber and an increase in the[sbnd]CH2[sbnd]bridge concentration of EMA in the vicinity of the α-carbon atom in the blend.
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