Peelable protective film
AssigneeBASF SE
InventorsChristelle Staller, Karl-Heinz Schumacher, Oliver Hartz, Harald Roeckel
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Abstract
Adhesive-coated, peelable protective films and peelable labels, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises, to an extent of from 0.1 to 10 wt %, based on the copolymer, a compound A compound of at least one copolymerizable, ethylenically unsaturated group and a group of the formula 1 in which R1 and R2 independently stand for hydrogen or a C1-C5 alkyl group or R1 and R2 together form a bridging C2-C4 alkylene group which can be mono- or di-substituted by a C1-C4 alkoxy group or hydroxyl group and X stands for O or S.
Claims10
An adhesive-coated, peelable protective film or a peelable label, wherein the adhesive contains a copolymer that is capable of undergoing free-radical polymerization and which comprises, to an extent of from 0.1 to 10 wt %, based on the copolymer, a compound A containing at least one copolymerizable, ethylenically unsaturated group and a group of formula I
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- in which R1 and R2 independently stand for hydrogen or C1-C5 alkyl or R1 and R2 together form a bridging C2-C4 alkylene group, which can be mono- or di-substituted by a C1-C4 alkoxy group or hydroxyl group, and X stands for O or S:
Dependencies are inferred from the claim text.