Abstract
Thermogravimetry was applied in order to study the variety of the phase structure of poly(4-methyl-1-pentene) (PMP) membranes. The results gave indirect information about the morphology of the polymeric systems. DTG curves, recorded for the membranes including residual amount of solvent, exhibited three processes. The processes were interpreted as a removal of the solvent molecules occluded in different local structures: ‘real’ amorphous; ‘semi-ordered’ amorphous, crystalline. The location of the molecules in those structures was correlated with chain behaviours studied using dynamic mechanical analysis. The relaxation processes (αg, αc) were analysed with a special attention to the amount of occluded solvent molecules.
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Wolnik, A., Borek, J., Sułkowski, W.W. et al. Supermolecular structure variety of PMP membranes. J Therm Anal Calorim 90, 237–242 (2007). https://doi.org/10.1007/s10973-006-7667-2
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DOI: https://doi.org/10.1007/s10973-006-7667-2