Exxonmobil Oil Corporation

Jindal Films Americas LLC

Jindal Innovation Center Srl

Eric W Bender

George Forman Cretekos

Lindsay J Mendes

Anand Sundararaman

Lori A Frauenhofer

Multi-layer laminated structures are disclosed. Such structures include a multi-layer polymeric film having a Layer A that includes at least one polymer and a polymeric sealant layer adjacent to Layer A. The sealant layer has a surface roughness, Ra&#x3e;5.0 and a Peak Count Value, Pc&#x3e;50.0. The multi-layer laminated structures also include a substrate in surface contact with the multi-layer polymeric film, typically opposite the sealant layer. Such structures have a top seal and/or side seal of the polymeric sealant layer to itself has a seal strength of &#x3e;5.00&#xd7;10grams/inch at 177&#xb0; C. The multi-layer films may be transparent, contain a cavitating agent, or are pigmented to form an opaque film. Also, the multi-layer film may be metallized or coated with a barrier coating.

Multi-layer films having improved sealing properties

In one aspect is provided a film, a shrink sleeve film in a particular embodiment, comprising at least one core layer, one skin layer, and optionally one tie layer between the two, wherein the core comprises from 0 to 30 wt % polypropylene by weight of the core layer, and from 70 to 100 wt % of a random propylene-&#x3b1;-olefin copolymer having within the range of from 1 to 10 wt % &#x3b1;-olefins, the &#x3b1;-olefin selected from the group consisting of ethylene and Cto C&#x3b1;-olefins, and having an MWD within the range of from 1.2 to 4.5 and a melting point within the range of from 110 to 150&#xb0; C.; wherein the film possesses a TD Tensile Strength of from 100 to 400 MPa and a MD Tensile Strength of from 20 to 60 MPa. In a particular embodiment, the at least one skin layer comprises a solvent sealable material.

Polypropylene-based shrink films

A heat sealable, multi-layer film structure for multi-color printing or lamination processes and method for making the same are provided. The multi-layer film structure may include a core layer comprising a thermoplastic polymer and essentially no migratory slip agents; a functional layer on a first side of the core layer, wherein the functional layer is a printable layer or a laminatable layer; and a heat sealable skin layer on a second side of the core layer, the heat sealable skin layer comprising a thermoplastic polymer and a slip system. The multi-layer film structure is prepared without any migratory slip additives. Without migratory slip additives, the multi-layer film structure exhibits excellent machinability on typical packaging equipment.

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Fairport, NY, United States of America

Eric W Bender