Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Halogen containing compound
Patent
1985-11-12
1988-08-30
Kittle, John E.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Halogen containing compound
52409, 52411, 428 57, 428192, 428194, 428200, 428334, 428346, 428347, 428349, 428355, 428516, 428517, 428519, 428520, 428522, B32B 306
Patent
active
047676531
ABSTRACT:
Heat-sealable sheet material for use in the fabrication of lapped-seam membrane. In a presently preferred construction, linear low density polyethylene film is adhered to one lateral border of cured polymerized EPDM composition; preferably the adhesive is protected with a removable liner, e.g., a polyester film until lapped-seam splicing is to be carried out. A transfer tape based on thermoplastic heat-sealable adhesive carried by a strippable liner also constitute part of the invention. The transfer tape is advantageously applied to a sheet of uncured EPDM compound and the resultant assembly subjected to heat and pressure to cure the compound and bond the heat-sealable adhesive firmly thereto.
REFERENCES:
patent: 3650874 (1972-03-01), Job et al.
patent: 4404249 (1983-09-01), Margerum et al.
patent: 4416944 (1983-11-01), Adur
patent: 4421807 (1983-12-01), Clausing et al.
Polysar Progress, Sep.-Oct., 1983, pp. 1, 4.
VersiGard Roofing Systems by Goodyear Tire & Rubber Company, Brochure No. 821-620-080.
Brink Richard E.
Kittle John E.
Minnesota Mining and Manufacturing Company
Schwartz P. R.
Sell Donald M.
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