Title: Polymer-inorganic foam

Abstract: Polymer-inorganic hybrid foam, having utility as construction materials, comprised of a continuous plastic phase or backbone structure of unexpanded polymer, e.g. polyvinyl acetate, vinyl-acrylic copolymer or asphalt or bituminous pitch, having distributed therein particles of an inorganic phase such as Portland cement particles, such inorganic phase being substantially free of sand, rock or aggregate, the cells of the hybrid foam being highly uniform, such hybrid foam being strong, and load supporting, and of low density, and being fire resistant and thermally insulating.

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Inventors: Sachs, Carrol C. (Van Nuys, CA, US)

Application Number: 412333
Filing Date: 1973-11-02
Publication_date: 1979-01-30
Assignee:
Primary Class(es): 521/154 521/83
Other Classes:
US Patent Ref:

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Other Refs:
Primary Examiner: Foelak, Morton
Assistant Examiner:
Attorney: Geldin; Max