PAPER SUBSTRATES USEFUL AS UNIVERSAL RELEASE LINERS

摘要

This invention relates to a paper substrate useful as a universal release liner, as well as methods of making and using the same.

主权项

1. A paper substrate, comprising
a web comprising a plurality of cellulosic fibers; and a composition applied to at least one surface of said web, said coating comprising at least one latex and at least one calcium carbonate, wherein said latex has a Tg ranging from about 4 to about 10° C.; said latex has a modulus ranging from about 7×106 to about 3×107 dyn/cm2 at a temperature range of from about 120 to about 200° F.; and said substrate having a Parker Print Smoothness ranging from about 1.0 to about 3.0 as measured by as measured by TAPPI test method T 555 om-99.