BI-AXIALLY STRETCHED BREATHABLE FILM, PROCESS FOR MAKING THE SAME AND USE THEREOF

摘要

The invention relates to A bi-axially stretched breathable film comprising a polymeric mixture, said polymeric mixture comprising based on the total weight of the polymeric mixture/
- at least 50% of at least one polyether block copolymer; and
- from 0.5 to less than 50 % of at least one polyester.
The invention also relates to a method to manufacture said film, and uses of said film.
The invention also relates to a method for producing a bi-axially stretched breathable film comprising at least one polyether block copolymer.