Coated release liner substrate
AssigneeNewpage Corporation
InventorGopal Iyengar
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Abstract
Release liner substrates and release liners produced therefrom wherein the substrate includes a coating layer containing a binder and a hyperplatey talc. The release liner may comprise a release liner substrate with a binder and a hyperplatey talc coating and a silicone coating applied to the substrate coating. In accordance with certain aspects, the binder may comprise a carboxylated latex binder.
Claims15
A release liner comprising a substrate base and a coating on the substrate base wherein the coating comprises a latex binder and hyperplatey talc;
- and
- a silicone coating on said substrate coating, wherein the latex binder has a gel content from about 60% to 90%.
A release liner comprising a substrate base and a coating on the substrate base wherein the coating comprises a carboxylated styrene butadiene binder and hyperplatey talc;
- and
- a silicone coating on said substrate coating,
- wherein the binder has a gel content from about 60% to 90% and a carboxylation percentage of between about 5 to 10% and the hyperplatey talc has an aspect ratio of at least 60.
Dependencies are inferred from the claim text.