Multilayer Pressure-Sensitive Adhesive Films With Pressure-Sensitive Adhesives Derived From 2-Alkyl Alkanols

A multilayer pressure sensitive adhesive (PSA) film, having a first pressure sensitive adhesive layer and at least one opposing layer, wherein the first pressure sensitive adhesive layer comprises a pressure-sensitive adhesive composition comprising (co)polymers of:

• a) (meth)acrylate ester of 2-alkyl alkanols wherein the molar carbon number average of said 2-alkyl alkanols is 12 to 32;
• and optionally
• b) (meth)acrylate esters of C1-12 alkanols;
• wherein the molar carbon number average of the alkanols of the a) and b) (meth)acrylic acid esters is 12 to 32;
• wherein the at least one opposing layer comprises at least one filler material selected from the group of filler particles, wherein the filler particles are expanded perlite;
• and wherein the molar carbon number average of said 2-alkyl alkanols is calculated by summing the number of moles of each alkanol (2-alkyl alkanols and C1-12 alkanols) multiplied by the carbon number of each alkanol, and dividing the result by the total number of moles of alkanols as defined in the following formula:
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