Importance

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Abstract

An erasable laminate for marking is disclosed. The laminate comprises a substrate with a marking surface, allowing a user to provide markings on the marking surface using the marking material. The marking surface comprises an outer layer containing a sulfonated block copolymer having an ion exchange capacity (IEC) of >0.5 meq/g. At least 50% of the markings can be erased from the marking surface with a wipe moist with a cleaning fluid (e.g., water, isopropyl alcohol, etc.) after wiping for less than 5 min. The laminate with erasable and reusable marking surface can be used for obtaining writing instruments, e.g., notebooks, artist easels, sketches, etc.

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First Claim