Patent ID: 7871697

Claim:
A peelable seal comprising: a first sealing layer having a first sealing surface; a second sealing layer having a second sealing surface, the first sealing surface contacting the second sealing surface to define a seal such that one or both of the first and second sealing layers have one or more wrinkles or pleats incorporated therein, wherein at least one of the first and second sealing layers include: a polyolefin polymer; and an exfoliated organoclay dispersed within at least a portion of the polyolefin polymer, wherein at least one of the first and second sealing layers has a seal initiation temperature from about 170° F. to about 350° F. and at least one of the first and second sealing layers has a tensile modulus from about 500 to about 2000 MPa, the organoclay comprising platelets having an average separation of at least 20 angstroms and the sealing surface having a roughness average from about 1500 to about 5000 angstroms.