Porous film

Details Porous film Porous film

C - Chemistry, Metallurgy

08

J

18/12

C08J 5/18 (2006.01) A61L 15/00 (2006.01) A61L 15/22 (2006.01) C08L 23/02 (2006.01)

Patent

CA 1317710

Abstract of the Disclosure A porous film comprises a polyolefin resin, a filler and a polyester obtained from a polybasic acid, a polyhydric alcohol and a monobasic acid having 14 to 22 carbon atoms and/or a monohydric alcohol having 12 to 22 carbon atoms or a polyester obtained from a polybasic acid and a monohydric alcohol, the film being obtained by melting and moulding and then stretching. It has a good permeability to moisture and impermeability to liquid, being useful for a sanitary napkin.

538130

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