Anti-static multilayer laminate comprising a non-woven layer extrusion coated with polymeric laminae, and method of making the same
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United States of America Patent
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Jul 30, 1991
Grant Date -
N/A
app pub date -
Aug 22, 1989
filing date -
Aug 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multilayer laminate comprising: (a) a substrate layer of fibrous material; (b) an intermediate layer of polymeric material which is free of anti-static material and is extrusion laminated to the substrate layer; and (c) an outer layer of polyethylene containing anti-static material and including low density polyethylene and linear low density polyethylene, which is coextruded with and extrusion laminated to the intermediate layer. Also disclosed is an appertaining process for making a multilayer laminate. The laminate of the invention has particular utility in the fabrication of protective garment articles, for use in applications involving exposure to flammable or explosive environmental constituents which are susceptible to ignition by static discharge.
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