Breathable film compositions and articles and method

Details Breathable film compositions and articles and method Breathable film compositions and articles and method

C - Chemistry, Metallurgy

08

L

C08L 31/04 (2006.01) A41D 31/02 (2006.01) B01D 71/40 (2006.01) B32B 27/12 (2006.01) C08J 5/18 (2006.01) C08L 33/08 (2006.01) C08L 67/02 (2006.01) C08L 75/04 (2006.01) C08L 23/08 (2006.01)

Patent

CA 2305826

A breathable film is composed of a uniform blend of two thermoplastic resins, one having a high moisture vapor transmission rate and the other having a low rate. The blend is melt extruded into a film having good handling characteristics and a controlled degree of moisture vapor transmission, as determined by blend ratio per unit of film thickness.

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