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Miscibility and gas permeability of poly(ethylene-co-5,4 mol% 3,5,5-trimethylhexyl methacrylate)-polydimethyl-siloxane blends

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Abstract

Blends of polyfethylene-co-5.4 mol% 3,5,5-trimethylhexyl methacrylate) (PE-TMHM) with poly(dimethylsiloxane) (PDMS) were prepared in the PDMS content range from 0 to 20%. The miscibility was studied for PE-TMHM-PDMS blends by DSC, dynamic mechanical and microscopic spectroscopy, and the gas permeability was measured for O2, N2 and CO2 as function of PDMS content. PE-TMHM and PDMS were partially miscible with each other below 20 wt% of PDMS content. The permeability coefficients (P) for O2, N2 and CO2 were increased by the blending of PDMS to PE-TMHM. The change of P for O2 with PDMS content well reflected the partially miscible phase separation behavior.

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Mizoguchi, K., Terada, K., Naito, Y. et al. Miscibility and gas permeability of poly(ethylene-co-5,4 mol% 3,5,5-trimethylhexyl methacrylate)-polydimethyl-siloxane blends. Colloid Polym Sci 275, 86–90 (1997). https://doi.org/10.1007/s003960050056

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  • DOI: https://doi.org/10.1007/s003960050056

Key words Poly(ethylene-co-5.4 mol% 3,5,5-trimethylhexyl methacrythlate)

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