Oxygen dissolution and transport in cobaltporphyrin‐bound organophosphazene membranes

Hiroyuki Nishide, H. Kawakami, S. Nishihara, K. Tsuda, T. Suzuki, E. Tsuchida

研究成果: Article

3 被引用数 (Scopus)

抄録

Rubbery poly(organophosphazene)s were synthesized, and were combined with cobaltporphyrin (CoP) which binds molecular oxygen rapidly and reversibly. The apparent oxygen‐binding equilibrium constant (Kapp) is in proportion to the physical solubility coefficient of oxygen in the polymer, although the reduced equilibrium and thermodynamic parameters are not dependent on the polymer matrix species. Diffusivity of oxygen via the fixed CoP(DC) is enhanced for poly(organophosphazene) membranes with a larger oxygen diffusion constant. Poly(organophosphazene) membranes with both a large Kapp and DC yield high oxygen permeability.

本文言語English
ページ(範囲)17-20
ページ数4
ジャーナルPolymers for Advanced Technologies
4
1
DOI
出版ステータスPublished - 1993

ASJC Scopus subject areas

  • Polymers and Plastics

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