Polymer mixture

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/30 (2006.01) C08L 27/08 (2006.01) C08L 79/04 (2006.01)

Patent

CA 2050837

The invention provides a polymer composition comprising polyvinylidene chloride and polyethyloxazoline. The composition possesses an unusual combination of characteristics; the inclusion of polyethyloxazoline in the polyvinylidene chloride causes a substantial increase in moisture permeability with no substantial change in permeability to oxygen or carbon dioxide. The polyethyloxazoline is highly miscible with the polyvinylidene chloride and reduces melt viscosity. The combination of properties is indicative of utility as a packaging film.

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