Retort container, and hot melt adhesive therefor

Details Retort container, and hot melt adhesive therefor Retort container, and hot melt adhesive therefor

C - Chemistry, Metallurgy

09

J

C09J 133/24 (2006.01) B32B 27/28 (2006.01) B65D 81/24 (2006.01) B65D 81/34 (2006.01)

Patent

CA 2506902

A retort container comprises a container body structured and arranged for holding a food product, the container body defining an opening and a sealing surface surrounding the opening, and a lid bonded to the sealing surface of the container body to close the opening, the lid being bonded to the sealing surface with a hot melt adhesive. The adhesive comprises a polyamide resin blended with a second resin that raises the glass transition temperature of the adhesive above the glass transition temperature of the polyamide resin alone, the adhesive bonding the lid to the sealing surface with a temperature-dependent bond strength that is relatively low at room temperature and substantially higher at retort temperatures of 100° C to 120° C.

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