Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1977-01-24
1978-02-14
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
156 79, 156330, 156335, 428285, 428292, 428337, 428414, 428425, 428460, 428920, B32B 326
Patent
active
040739988
ABSTRACT:
A laminate providing a high strength, low flammability improved moisture vapor barrier for use in producing improved construction panels, to the construction panels which comprise a polyurethane foam interior having a top and a bottom laminate skin bonded thereto, and to the process for producing the construction panels. The laminate is composed of an outer metal skin, e.g., aluminum foil, a scrim and an adhesive tie-coat attaching the scrim to the outer skin. The adhesive tie-coat is carefully selected so that it will react during manufacture of the polyurethane foam to produce the panel and tightly bond the foam to the foil. The tie-coat is preferably a high molecular weight, linear epoxy resin adhesive having free hydroxyl groups which react with the isocyanate, or isocyanurate, used in producing the polyurethane foam.
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patent: 3446685 (1969-05-01), Goldstone et al.
patent: 3616134 (1971-10-01), Palenske
patent: 3814659 (1974-06-01), Nadeau
patent: 3870594 (1975-03-01), Kudo
patent: 3874980 (1975-04-01), Richards et al.
Bay Mills Limited
Van Balen William J.
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