Multilayer film made of synthetic resin

Stock material or miscellaneous articles – Sheet – web – or layer weakened to permit separation through...

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Details

428412, 4284761, 428516, 428520, 428913, B32B 2732, B65D 6528

Patent

active

053086686

ABSTRACT:
A multilayer film made of synthetic resin is characterized in that at least one resin layer containing resins which have a poor compatibility with respect to each other and is composed of a mixture of two or more kinds of isomeric resins having a large difference in melting point. The isomeric resins provide easy-to-tear characteristics in a certain direction, where the resins form a numberless phases in certain directions within the resin layers.

REFERENCES:
patent: 4147827 (1979-04-01), Breidt, Jr.

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