Pressure-sensitive adhesive tape

Details Pressure-sensitive adhesive tape Pressure-sensitive adhesive tape

C - Chemistry, Metallurgy

09

J

117/25, 2/98.18

C09J 7/02 (2006.01) A61F 13/15 (2006.01) C08L 23/04 (2006.01) C08L 23/12 (2006.01)

Patent

CA 1317819

PRESSURE-SENSITIVE ADHESIVE TAPE Abstract Normally tacky, pressure-sensitive adhesive tapes which are soft, pliable, conformable, and heat sealable are provided. The tapes have a backing of a substantially untensilized, tough, ductile film, the film being a blend of crystalline isotactic polypropylene and a compatible ethylene-based polymer, and a normally tacky, pressure-sensitive adhesive on one side of the film. The films have a longitudinal secant modulus of less than 3700 kg/cm2, a transverse secant modulus of less than 3700 kg/cm2, a longitudinal elastic modulus of less than 5200 kg/cm2, a transverse elastic modulus of less than 5200 kg/cm2, a longitudinal stiffness of less than 1.7, and a transverse stiffness of less than 3Ø

526700

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