Biaxially stretched multilayered film and related label and method

• Main Authors: KOVALCHUK, JOHN E, AMON, MORIS
• Format: Patent
• Language: English; French; German
• Published: 02.12.2009
• Subjects: ADVERTISING; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; LABELS OR NAME-PLATES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; PERFORMING OPERATIONS; PHYSICS; SEALS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SIGNS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A film, for use in a label and a related method, including a print skin layer, a base layer, and an adhesive skin layer having at least one heat-activated thermoplastic polymer. The film is stretched biaxially in both a machine direction and a transverse direction. The stretch ratio in a first direction is greater than 2:1 to 10:1, the stretch ratio in a second direction ranges in value from 1.02:1 to 1.8:1, the film has an ASTM D1204 shrinkage at 100°C of at least 0.5% in both the machine and transverse directions, and the film has an ASTM D882 2% secant modulus of at least 679,134 kPa (98,500 psi) in the first direction.