MONOAXIALLY ORIENTED POLYPROPYLENE FILM HAVING HIGH TEAR TRANSMISSION RESISTANCE IN LATERAL DIRECTION

摘要

PROBLEM TO BE SOLVED: To provide an opaque backing material film having high tear transmission resistance in the lateral direction.

SOLUTION: This backing material film containing at least one polypropylene and monoaxially oriented in the longitudinal direction is characterized by heterogeneously distributing at least one nucleating agent in the backing material film.

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