Asphalt impregnated foam and method of producing the same

Details Asphalt impregnated foam and method of producing the same Asphalt impregnated foam and method of producing the same

1985-12-16

1986-09-09

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

427244, 4283179, 428489, B32B 1104

Patent

active

046109226

ABSTRACT:
An asphalt foam having open cells wherein asphalt mixed with an alkali metal silicate is fixed to the wall of the open cells. The asphalt foam is useful for a joint filler, a vehicle floor material, etc. A method of producing the asphalt foam, which comprises the steps of impregnating an open cell foam sheet with an aqueous mixture consisting of asphalt emulsion and an aqueous solution of an alkali metal silicate, and drying the impregnated foam sheet.

REFERENCES:
patent: 3483664 (1969-12-01), Funk et al.
patent: 3535198 (1970-10-01), Bloom
patent: 3802950 (1974-04-01), Stevens
patent: 4351873 (1982-09-01), Davis
patent: 4357377 (1982-11-01), Yamamoto

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