nonpolar solvent


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nonpolar solvent

[¦nän′pō·lər ′säl·vənt]
(materials)
A solvent that does not have a permanent electric dipole moment and therefore has no tendency for intramolecular association with polar species.
References in periodicals archive ?
The calculations performed with two theoretical models, B3LYP-D2 and M05-2X, in polar and nonpolar solvents, proved to be in good accordance.
c) Nonpolar solvent, hexane, when eluted first pushes only edible oil leaving curcumin and related curcumin compounds at their origin.
As a result, the apparent activity coefficient of the monomer species will be greater than one when the pure solvent is diluted into another nonpolar solvent.
The conditions for this to occur appear to be either plasticizing the matrix with an appropriate nonpolar solvent, or heating the membrane above [T.sub.g,m].
low moisture and water vapor permeability, and excellent chemical resistance against polar solvents and solutions including acids, bases, esters, and alcohols but only moderate heat resistance and poor chemical resistance against nonpolar solvents like alkanes, ethers, and oils.
Unlike silicone, fluorosilicone contains tri-fluoropropyl groups that enhance its chemical resistance to nonpolar solvents, fuels, oils, acids and alkaline chemicals at temperatures between -70[degrees]F and 450[degrees]F.
There are two main objectives to my PhD, one is a theoretical approach to understanding colloid interactions in nonpolar solvents, and the other is to investigate the structure of polymer-surfactant complexes found in shampoo.
Schoonheydt and Johnston [37] reported that the absorption maxima of dye molecules in nonpolar solvents adsorbed onto the surface of clay minerals could shift to shorter wavelengths because the solvent-molecule interaction was stronger in the ground state than in the excited state.
The Si-NPs exhibit good luminescence spectra in some nonpolar solvents but its stability is very limited [18].