3m Innovative Properties Company

Jay M Krieger

Christopher J Rother

Jeffrey O Emslander

Ann R Fornof

Gregg A Patnode

Jacob D Young

Rafael Garcia-Ramirez

Jose P De Souza

Robert B Rosner

David L Hofeldt

Thomas J Strey

Paul C Thomas

Gregory J McGill

Methods and systems of measurement for blown film lines are provided. The sensing system includes a terahertz (THz) sensor positioned adjacent to a film bubble extruded from a blown film die, and a sensor support configured to guide the THz sensor around the circumference of the film bubble to measure its film thickness.

Methods and systems for blown film thickness measurement

Multilayer films and adhesive tapes that include such films, wherein the multilayer films include plasticized polyvinyl chloride and optionally one or more fillers.

Multilayer films and adhesive tapes

Adhesive tapes include a plasticized polyvinyl chloride backing, a primer including an ethylene/carbon monoxide-containing terpolymer and a styrene-containing block copolymer and an epoxidized polymer, and an adhesive.

Adhesive tapes

Adhesive tapes include a plasticized polyvinyl chloride backing, a primer including an ethylene/carbon monoxide-containing terpolymer and a styrene-containing block copolymer, and an adhesive.

Adhesive tapes include a plasticized polyvinyl chloride backing, a primer including an ethylene/carbon monoxide-containing terpolymer, and an adhesive.

Growing community of inventors

Eau Claire, WI, United States of America

Jay M Krieger