Moisture-permeable separating membrane material

B - Operations – Transporting – 01 – D

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Details

B01D 69/10 (2006.01) B01D 69/12 (2006.01) B01D 71/36 (2006.01) B01D 71/54 (2006.01) F28F 21/00 (2006.01)

Patent

CA 2755596

A moisture-permeable separating membrane material includes a porous fluororesin membrane, a continuous moisture-permeable resin layer formed on the surface of the porous fluororesin membrane, and a textile layer for reinforcing the porous fluororesin membrane and the continuous moisture-permeable resin layer. The textile layer contains a flame retardant in the inside of each fiber and the surface of each fiber has been treated with a flame retardant. The moisture-permeable separating membrane material makes it possible to improve flame retardancy without deteriorating heat exchange characteristics.

La présente invention concerne un diaphragme perméable à la vapeur d'eau composé d'une membrane de résine fluorée poreuse, d'une couche de résine continue perméable à la vapeur d'eau formée à la surface de la membrane de résine fluorée, et d'une couche de fibres pour renforcer la membrane de résine fluorée poreuse et la couche de résine continue perméable à la vapeur d'eau. La couche de fibres contient un ignifugeant au sein des fibres, et les surfaces des fibres sont traitées avec l'ignifugeant. Le diaphragme perméable à la vapeur d'eau peut améliorer l'ininflammabilité sans détériorer les caractéristiques d'échange thermique.

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