Method for producing glass bubbles

Details Method for producing glass bubbles Method for producing glass bubbles

1985-06-18

1987-09-15

Lindsay, Robert

Glass manufacturing

Processes

Self-supporting particle making

65 22, 65 3012, 65 32, C03B 1908, C03B 1910

Patent

active

046937390

ABSTRACT:
A method for producing glass bubbles, which comprises heating a glass powder containing a gas-blowing agent in an atmosphere containing steam having a partial steam pressure of at least 0.2 atmosphere to foam it.

REFERENCES:
patent: 2524613 (1950-10-01), Wainer
patent: 3272615 (1966-09-01), Hoffman et al.
patent: 3403990 (1968-10-01), Schulz et al.
patent: 3692507 (1972-09-01), Gladney et al.
patent: 3870496 (1975-03-01), Cutler
patent: 4059425 (1977-11-01), Brydges et al.
patent: 4475936 (1984-10-01), Aston et al.

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