Low pressure CO 2  sorption in poly(vinyl cyclohexane‐carboxylate) | Zendy

Hirose Takuji | Zendy; Mizoguchi Keishin | Zendy; Kamiya Yoshinori | Zendy

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Low pressure CO 2 sorption in poly(vinyl cyclohexane‐carboxylate)

Author(s) -

Hirose Takuji,

Mizoguchi Keishin,

Kamiya Yoshinori

Publication year - 1987

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.1987.070340424

Subject(s) - sorption , gravimetric analysis , cyclohexane , diffusion , polymer chemistry , solubility , glass transition , materials science , thermodynamics , analytical chemistry (journal) , chemistry , polymer , organic chemistry , adsorption , physics

A gravimetric method was applied to determine the solubility of CO 2 in poly(vinyl cyclohexanecarboxylate) below 1 atm. The temperatures were varied from 5 to 85°C, above and below the glass transition temperature. The sorption isotherms were concave to the pressure axis below T g and they were tentatively analyzed by the dual‐mode sorption model. Above T g , the isotherms were linear and described by the Henry's law. Below 75°C, the diffusion coefficients of CO 2 were also obtained from the half‐time of the sorption process.

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