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Solubility and diffusion coefficients of gaseous formaldehyde in polymers.

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Hennebert, Paul [UCL]

The solubility and diffusion (desorption) coefficients of gaseous formaldehyde in 14 materials have been measured at different temperatures. Cellulose, paper, polyamide (Nylon 6), polyester and natural rubber (latex) show very high values of formaldehyde solubility and very low diffusion coefficients, with a weak or inversed influence of the temperature, leading to the conclusion that a chemical reaction occurs with the formaldehyde. The behaviour of the other polymers follows the classical laws of solubility and diffusion of gases except for silicone rubber which shows two-phase desorption curves.

Document type Article de périodique (Journal article) – Comparative Study, Journal Article, Research Support, Non-U.S. Gov't
Publication date 1988
Journal information "Biomaterials" - Vol. 9, no. 2, p. 162-7 (1988)
Peer reviewed yes
issn 0142-9612
Publication status Publié
Affiliation UCL
MESH Subject Biocompatible Materials ; Diffusion ; Formaldehyde ; Heat ; Kinetics ; Polymers ; Solubility ; Sterilization
Links
Bibliographic reference Hennebert, Paul. Solubility and diffusion coefficients of gaseous formaldehyde in polymers.. In: Biomaterials, Vol. 9, no. 2, p. 162-7 (1988)
Permanent URL http://hdl.handle.net/2078.1/11785