초록 ▼

A multilayer permeable membrane with a release layer for the packaging of aromatic condensation products. The permeable membrane has a first layer comprising low density polyethylene, a second layer comprising ultra low density polyethylene and a third layer comprising low density polyethylene. The

A multilayer permeable membrane with a release layer for the packaging of aromatic condensation products. The permeable membrane has a first layer comprising low density polyethylene, a second layer comprising ultra low density polyethylene and a third layer comprising low density polyethylene. The release layer is adhered to the first layer and may be peeled away from the permeable membrane to expose the membrane and provide for the controlled release of vapors over a period of time.

대표청구항 ▼

[ What is claimed is:] [1.] A membrane permeable to atmospheric diffusion of aromatic compounds, the membrane comprising:(a) a first permeable layer comprising low density polyethylene;(b) a second permeable layer adhered directly to one side of said first layer, comprising an ultra low density poly

[ What is claimed is:] [1.] A membrane permeable to atmospheric diffusion of aromatic compounds, the membrane comprising:(a) a first permeable layer comprising low density polyethylene;(b) a second permeable layer adhered directly to one side of said first layer, comprising an ultra low density polyethylene,(c) a third permeable layer adhered to said second layer opposite said first layer, comprising a low density polyethylene; and(d) a release layer adhered directly to said first layer opposite said second layer, comprising polypropylene; wherein the bond strength between the release layer and the first layer is less than the bond strength between the first and second layers and the second and third layers, and wherein the release layer delaminates from the first permeable layer when a force is applied.