Pellable seal package

Details Pellable seal package Pellable seal package

1985-07-02

1987-04-07

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

206631, 229 43, 428515, 428516, 428520, B27N 502

Patent

active

046560688

ABSTRACT:
An improved heat sealable, peelable seal package structure having walls defined by sheet members and having a region where a first wall portion overlaps upon a second wall portion. The overlapping portions are heat sealable together but are thereafter separatable by peeling. The surface of such first wall portion is comprised of an ethylene acid copolymer, preferably of the ionomer type, and the surface of such second wall portion is comprised of a polyblend of polyethylene and ethylene vinyl acetate copolymer.

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Brochure entitled: "Surlyn 1650 Ionomer Resin" published by the du Pont Company, Wilmington, Delaware (publication date unknown).
Brochure entitled: "Surlyn 1601/1601B Ionomer Resin" publ. by the du Pont Company, Wilmington, Delaware (publication data unknown).
Brochure entitled: "du Pont ACR 0903 Ethylene-Methacrylic Acid Copolymer Resin for Flexible Packaging" published by the du Pont Company, Wilmington, Delaware.
Brochure entitled: "Primacor 1410 Adhesive Polymers for Blown Film" published by the DOW Chemical Company, Midland, Michigan (publication date unknown).
Modern Plastics Encyclopedia, Oct. 1983, vol. 60, No. 10A, 1983-1984, pp. 27, 55-65.
Data sheet (and price list) from the du Pont Company, concerning du Pont's "ELVAX" Ethylene-Vinyl Acetate Copolymer Resins.
Data sheet from Gulf Oil Chemicals Company concerning "Gulf Low Density Polyethylene".
Data sheet from the du Pont Company concerning du Pont's "ELVAX 3128" Ethylene-Vinyl Acetate Copolymer Resin.
Data sheet from the du Pont Company concerning du Pont's "ELVAX 3130" Ethylene-Vinyl Acetate Copolymer Resin.
Data sheet from the du Pont Company concerning du Pont's "ELVAX 3170" Ethylene-Vinyl Acetate Copolymer Resin.
Data sheet from the du Pont Company concerning du Pont's "SURLYN 1601" Ionomer Resin.
Data sheet from the du Pont Company concerning du Pont's "SURLYN 1650" Ionomer Resin.
Data sheet from the du Pont Company concerning du Pont's "ACR 0903" Ethylene-Methacrylic Acid Copolymer Resin.
Data sheet from the Dow Chemical Company Concerning "Dow's EAA Copolymer 455".
Data sheet from the Dow Chemical Company concerning Dow's "Primacor Adhesive 1410".
Data sheet from Gulf Oil Chemicals Company concerning Gulf's Ethylene-Methylacrylate "Poly-eth 2205" and Poly-eth 2255.

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