Minnesota Mining and Manufacturing Company

William D Lammers

Ronald P Leseman

Pressure-sensitive adhesive tape comprising a backing, layer of fibrillated, polymeric film adhered to at least one major surface of said backing, and a layer of pressure-sensitive adhesive applied to the major surface of said layer of said fibrillated, polymeric film not facing said backing. A method for manufacturing the aforementioned pressure-sensitive adhesive tape is also provided. The tape of this invention can be made to have a tensile strength in excess of 100 lbs/in and cross-direction tear resistance in excess of 11 lbs/in.

Method of making fibrillated tape

Pressure-sensitive adhesive tape comprising a backing, layer of fibrillated, polymeric film adhered to at least one major surface of said backing, and a layer of pressure-sensitive adhesive applied to the major surface of said layer of said fibrillated, polymeric film not facing said backing. A methd for manufacturing the aforementioned pressure-sensitive adhesive tape is also provided. The tape of this invention can be made to have a tensile strength in excess of 100 lbs/in and cross-direction tear resistance in excess of 11 lbs/in.

Growing community of inventors

Saint Paul, MN, United States of America

William D Lammers