Process of making roofing material

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

15624424, 1562726, 156278, 156289, 156337, B32B 3120

Patent

active

049369385

ABSTRACT:
A laminated roofing material includes an aluminum foil top sheet laminated to a polyethylene film by an ionomer resin. After the sheets are bonded together they are cooled to set the resin and a bitumen coating is applied to the exposed polyethylene sheet and covered with a release paper.

REFERENCES:
patent: 3770559 (1973-11-01), Jackson
patent: 3900102 (1975-08-01), Hurst
patent: 3937640 (1976-02-01), Tajima
patent: 4055453 (1977-10-01), Tajima
patent: 4374687 (1983-02-01), Yamamoto
patent: 4386981 (1983-06-01), Clapperton
patent: 4514442 (1985-04-01), Crepeau
patent: 4589804 (1986-05-01), Paeglis et al.
patent: 4670071 (1987-06-01), Cooper

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