Method for producing a plastic film having improved...

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating with particulate material

Reexamination Certificate

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Details

C264S349000

Reexamination Certificate

active

06977054

ABSTRACT:
A method for producing a plastic film having improved characteristics, which consists in nebulizing on the faces, in the region downstream of the extruder, at least one “active substance” or a mixture of “active substances”, utilizing the various states of aggregation of the product generated by the temperature distribution. These substances modify the structure of the film, in particular its surface structure, by bonding and penetrating to a depth which is a function of the temperature, of the material of the film and of the type of substance used.

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