Solubility and diffusivity of sulfur dioxide in latex paint films | Zendy

Hendricks B. J. | Zendy; Balik C. M. | Zendy

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Solubility and diffusivity of sulfur dioxide in latex paint films

Author(s) -

Hendricks B. J.,

Balik C. M.

Publication year - 1990

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1990.070400528

Subject(s) - solubility , sorption , diffusion , sulfur dioxide , thermal diffusivity , polymer , materials science , chemistry , chemical engineering , polymer chemistry , thermodynamics , organic chemistry , composite material , adsorption , physics , engineering

Sorption of SO 2 in latex paint films is measured as a function of time. This data is used to extract the solubility ( S ) and the diffusion coefficient ( D ) for SO 2 in these films. The solubility of SO 2 in each of the samples follows Henry's law behavior. Sorption occurs only in the polymer, with the inorganic pigment particles acting as impenetrable fillers. The diffusion of SO 2 is Fickin with an exponential dependence upon the concentration of SO 2 . This data is used to calculate the permeabilities of the paint samples to SO 2 , at levels typically found in the atmosphere.

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