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Active film adhered to flexible packages and method thereof

US-8142603-B2

Abstract

The present invention relates to a method of attaching an active film ( 5 ) onto a flexible package comprising the steps of heating a foil ( 2 ); applying an active film ( 5 ) to the foil ( 2 ); and applying sufficient pressure to the active film ( 5 ) and foil ( 2 ) combination and sufficient heat to the foil ( 2 ) so that active film ( 5 ) adheres to the foil ( 2 ). In one example, the active film ( 5 ) comprises two components and wherein the two components are an active agent and a polymer. In another example, the active agent is an absorbing material.

Patent figures（5）

US-8142603-B2 figure 1
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US-8142603-B2 figure 2
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US-8142603-B2 figure 3
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US-8142603-B2 figure 4
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US-8142603-B2 figure 5
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Source status & events

No source-status events are recorded.

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