E.i. Dupont De Nemours and Company

Kevin Patrick McAllister

Elizabeth R Griffin

A product comprises or is produced from a substrate and optionally a thermal insulation wherein the substrate comprises or is produced from polyvinyl chloride and a liquid plasticizer; the substrate, the insulation material, or both is coated, laminated, coextruded, or applied with a barrier layer comprising an ionomer; and the substrate is in close proximity to the insulation material. Also disclosed is a process that can be used to prevent liquid plasticizer from migrating out of polyvinyl chloride product wherein the product is optionally in close proximity to a thermal insulation; the process comprises coating, laminating, coextruding, or applying a barrier layer disclosed above onto the surface, or a portion thereof, of the product or onto the insulation.

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Bear, DE, United States of America

Kevin Patrick McAllister