• Barton Handbook Of Solubility Parameters Free
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• Barton Handbook Of Solubility Parameters

• Barton, Allan F. CRC handbook of solubility parameters and other cohesion parameters / Allan F.M.
• Introduction Hildebrand Parameters and Basic Polymer Solution Thermodynamics Hansen Solubility Parameters Methods and Problems in the Determination of Partial Solubility Parameters Calculation of the Dispersion Solubility Parameter, δD Calculation of the Polar Solubility Parameter, δP Calculation of the Hydrogen Bonding Solubility Parameter, δH Supplementary Calculations and Procedures.

The Hildebrand solubility parameter (δ) provides a numerical estimate of the degree of interaction between materials and can be a good indication of solubility, particularly for nonpolar materials such as many polymers. Materials with similar values of δ are likely to be miscible.

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'The CRC Handbook of Solubility Parameters and Other Cohesion Parameters, Second Edition', which includes 17 new sections and 40 new data tables, incorporates information from a vast amount of material published over the last ten years. The volume is based on a bibliography of 2,900 reports, including 1,200 new citations. The detailed, careful construction of the handbook devel...

'The CRC Handbook of Solubility Parameters and Other Cohesion Parameters, Second Edition', which includes 17 new sections and 40 new data tables, incorporates information from a vast amount of material published over the last ten years. The volume is based on a bibliography of 2,900 reports, including 1,200 new citations. The detailed, careful construction of the handbook develops the concept of solubility parameters from empirical, thermodynamic, and molecular points of view and demonstrates their application to liquid, gas, solid, and polymer systems.Data are presented with self-consistent units and terminology in tables and illustrated diagrammatically in solubility maps with full reference to primary resources. The result is a uniquely comprehensive survey that will be valuable for a wide range of research scientists and technicians concerned with synthetic and natural polymers, plasticizers, solvents, pigments, plants, dyes, inks, lubricants, adhesives, membranes, chromatography, colloids, solvent extraction, biological systems, reaction kinetics, and surface processes.

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Hansen Solubility Sphere

Hansen solubility parameters were developed by Charles M. Hansen in 1967 to predict the solubility of polymers in solvents. They are widely used in the paint and coatings industry. The method is based on the idea that like dissolves like. This is the case when the solvent and the solute have similar Hansen Solubility Parameters.
The three Hansen parameters can be considered the coordinates of a point in the so-called Hansen space. The closer two points are, the more likely the compounds are to dissolve into each other. In the case of a polymer, only solvents within a certain range will dissolve the polymer. This range is usually an ellipsoid and only solvents within this space are likely to dissolve the polymer in question.

Barton Handbook Of Solubility Parameters Free

Hansen Solubility Sphere

Occasionally, the scale of the dispersion axis is doubled, providing approximately a spherical volume of solubility. Then the distance of the solvent coordinates (δ_d2, δ_p2, δ_h2) from the center point (δ_d1, δ_p1, δ_h1) of the solute sphere is given by

R_a² = 4(δ_d2 - δ_d1)² + (δ_p2 - δ_p1)² + (δ_h2 - δ_h1)²

The distance R_a in the equation above can be compared with the solubility radius of the polymer, R₀. If R_a < R₀ then there is a high likelihood of the solvent to dissolve the polymer. The radius of the solubility sphere is often called the interaction radius and the ratio R_a / R₀ the relative energy difference (RED) of the system.

R_a / R₀ > 1 → the compound is a non-solvent

R_a / R₀ < 1 → the compound is a solvent

R_a / R₀ = 0 → the compound may cause swelling

Barton Handbook Of Solubility Parameters 2

Hansen¹ and Barton² have tabulated the interaction radius and partial solubility parameters for many polymers and solvents.

Barton Handbook Of Solubility Parameters

To give an example, we calculate R_a / R₀ of polystyrene (PS) and acetone. According to Hansen¹, PS has an interaction radius of approximately 12.7 and its partial solubility parameters are (δ_d, δ_p, δ_h) = (21.3, 5.7, 4.3) and those of acetone are (15.5, 10.4, 7.0). This gives

R_a = {(2·15.5 - 2·22.3)² + (10.4 - 5.8)² + (7.0 - 4.3)²}^1/2 = 12.8

→ R_a / R₀ = 12.8 / 12.7 ≈ 1.0

This result indicates that acetone is not a solvent for polystyrene but might cause some swelling of the polymer.

References

1. Charles M. Hansen, Hansen Solubility Parameters: A User's Handbook, 2nd Edition, 2007
2. Allan F.M. Barton, CRC Handbook of Solubility Parameters and Other Cohesion Parameters, 2nd ed., 1991