Transport of substituted benzenes through nitrile rubber/natural rubber blend membranes
作者： Asha Elizabeth Mathai , RP Singh , Sabu Thomas
DOI: 10.1016/S0376-7388(01)00700-1
关键词: Chemical engineering 、 Membrane 、 Solvent 、 Permeation 、 Nitrile rubber 、 Sorption 、 Organic chemistry 、 Materials science 、 Natural rubber 、 Penetrant (mechanical, electrical, or structural) 、 Polymer blend
摘要: Abstract Diffusion and permeation properties of substituted benzenes (aromatics) through a new variety membranes from blends nitrile rubber natural (NR) have been investigated in the temperature interval 28–70 °C to characterise physical chemical polymer blend. These blend find application dairy industry, where good mechanical swelling resistance are required. The effects ratio penetrant size on transport were studied. In blends, equilibrium solvent uptake decreases with an increase concentration rubber. relationship between behaviour morphology system was examined. mechanism diffusion shows anomalous trend. sorption data used estimate activation energies for permeation. van’t Hoff determine thermodynamic parameters. affine phantom models cross-links predict nature cross-links. experimental compared various theoretical predictions.
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