Patent ID: 6838143

Claim:
An adhesive-coated protective film or label, which is peelable without leaving a residue, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises from 2 wt % to 10 wt %, based on the copolymer, a compound A containing at least one copolymerizable, ethylenically unsaturated group and a group of formula I in which R 1 and R 2 independently stand for hydrogen or C 1 -C 5 alkyl or R 1 and R 2 together form a bridging C 2 -C 4 alkylene group, which can be mono- or di-substituted by a C 1 -C 4 alkoxy group or hydroxyl group, and X stands for O or S, wherein the copolymer has a peel strength of from 1 to 5 newton, when it is applied at rate of 20 g of copolymer per 1 m 2 of polyethylene film and a 25 mm wide tape of the coated polyethylene film is stuck to steel under a contact pressure of 2.5 kg and the tape is peeled at 21° C.