Excess volumes and dielectric properties for (methyl methacrylate  +  a branched alcohol) atT =  298.15 K andT =  308.15 K

✍ Scribed by N.V. Sastry; S.R. Patel

• Publisher: Elsevier Science
• Year: 2000
• Tongue: English
• Weight: 323 KB
• Volume: 32
• Category: Article
• ISSN: 0021-9614
• DOI: 10.1006/jcht.2000.0707

✦ Synopsis

Excess molar volumes V E m , and deviations in relative permittivity δε r of (methyl methacrylate + propan-2-ol, or 2-methylpropan-1-ol, or butan-2-ol, or 2-methylpropan-2-ol) over the entire range of composition have been determined from density and relative permittivity measurements at T = (298.15 and 308.15) K. The excess molar electrical susceptibilities χ E m , and molar and orientation polarizations P E m and P E o have been calculated by combining density and relative permittivity data for all the mixtures. The V E m values are positive in all the mixtures. The δε r , χ E m and P E o values are largely negative with few initial positive values for some of the mixtures. The P E m curves are however sigmoid with positive and negative regions. Similar trends in the δε r and P E o curves are observed for all the mixtures. The variation of the correlation factor g K has also been examined over the whole composition range.