Water-based epoxy patterned porous insulation

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428195, 428292, 428334, 428335, 428343, 428349, 428354, 428413, 4285375, 428906, B32B 300

Patent

active

047419474

ABSTRACT:
An adhesive solid emulsion, containing both high and low epoxy equivalent weight epoxy solids, a curing agent and an optional emulsifying agent, in a carrier containing at least about 55 weight percent water is continuously coated on at least one side of a moving, porous, flexible sheet as discrete resin pattern areas, which resin coated sheet is heated to dry the adhesive emulsion to the B-stage.

REFERENCES:
patent: 3237136 (1966-02-01), Ford
patent: 3246271 (1966-04-01), Ford
patent: 4095557 (1978-06-01), Croop et al.

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