Patent ID: 6811869
Filing Date: 2004-11-02
Classification: C09J,Y10T

Abstract:
A self-adhesive protective sheet for painted surfaces of vehicles, comprising a film which is coated on one side with an adhesive, the adhesive coated side of which adheres to steel with a bond strength of between 0.1 and 2.0 N/cm, and which self-adhesive protective sheet following storage, under alternating climatic conditions at a temperature of at least 50Â° C., is removable without residue from painted surfaces to which the adhesive coated side is bonded, at speeds of 20 m/min with a bond strength of the adhesive coated side to said painted surfaces of from 2.3 to 3.6 N/cm, is detachable at a temperature of up to at least 50Â° C.,said adhesive comprising at least one copolymer of at least two different &agr;-olefins, no monomer of said copolymer having a fraction of 75 mol % or more in the copolymer, the copolymer having a Mooney viscosity ML (1+4) 125Â° C. of at least 50, and the copolymer optionally including a diene as a comonomer.