Ash coated cellular glass pellet

Details Ash coated cellular glass pellet Ash coated cellular glass pellet

1976-09-23

1979-03-06

Vertiz, O. R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

106 40V, 106 97, 106 98, 106DIG1, 428404, C03C 1722, C04B 3144, B32B 1706

Patent

active

041432029

ABSTRACT:
A foam glass pellet comprising a core of cellular glass and a coating of fine ash particles substantially enclosing said cellular glass core and bonded thereto is disclosed. The foam glass pellet is derived from a glass having a softening point less than 1250.degree. C. The pellets have a median size of about 0.5 to about 20 millimeters and a bulk density of about 8 lbs/ft..sup.3 to about 50 lbs./ft..sup.3 pounds per cubic feet or higher if desired. The ash coating is substantially a mono particle thick layer of ash bonded to the foam glass core. Fly ash is a particularly effective ash for this purpose. Also disclosed are foam glass pellets wherein the core of cellular glass comprises a glass foam body having ash particles dispersed therein. The foam glass pellets of this invention have superior strength and are particularly useful as a light-weight aggregate in matrices such as concrete, thermosetting and thermoplastic organic polymer bodies, metals and gypsum and plaster materials.

REFERENCES:
patent: 2987406 (1961-06-01), Minnick
patent: 3441396 (1969-04-01), D'Eustachis et al.
patent: 3562370 (1971-02-01), Shannon
patent: 3804058 (1974-04-01), Messenger
patent: 3830776 (1974-08-01), Carlson et al.
patent: 3917547 (1975-11-01), Massey
patent: 3963503 (1976-06-01), Mackenzie
patent: 4016229 (1977-04-01), Tobin

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