Polymer barrier blends

Details Polymer barrier blends Polymer barrier blends

C - Chemistry, Metallurgy

08

L

400/5001

C08L 101/00 (2006.01)

Patent

CA 1282514

TITLE NOVEL POLYMER BARRIER BLENDS ABSTRACT OF THE DISCLOSURE Polymer blends with barrier properties having low organic liquid and vapor permeability are obtained by blending an organic liquid and vapor-permeable polymer with an organic liquid and vapor barrier polymer in a 75:40 to 25:60 weight ratio to form a discrete dispersion of the polymers in each other and causing the organic liquid and vapor-permeable polymer to undergo branching or a limited amount of crosslinking with an increase of viscosity sufficient to cause the polymers to separate into distinct phases composed of larger particles.

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