Anti-static multilayer laminate comprising a non-woven layer ext

Details Anti-static multilayer laminate comprising a non-woven layer ext Anti-static multilayer laminate comprising a non-woven layer ext

1989-08-22

1991-07-30

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2 2, 2 84, 15624411, 15624423, 156336, 428287, 428516, 525240, A62B 1700, B32B 2708, B32B 2718, B32B 3130, B32B 3300

Patent

active

050359410

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.

REFERENCES:
patent: 4339507 (1982-07-01), Kurtz et al.
patent: 4587175 (1986-05-01), Akao
patent: 4590126 (1986-05-01), Andersson
patent: 4592941 (1986-06-01), Emmons
patent: 4677696 (1987-07-01), Tanake
"Anti-Static Agents," Modern Plastics Encyclopedia 1986-1987, p. 117 (by J. D. Van Drumpt), pp. 655-657.
"Abanda.RTM. Limited Use Protective Clothing for Industry," 1984 Product Brochure of Disposables, Inc. (Manhasset, N.Y.), pp. 13 & 14.

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