Sodium resistant sealing glasses

Details Sodium resistant sealing glasses Sodium resistant sealing glasses

1980-04-21

1981-05-19

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C03C 308

Patent

active

042683130

ABSTRACT:
Sodium resistant sealing glasses having borosilicate glass compositions in which glass stability is improved by the incorporation of several percent sodium oxide with a select percentage of the alkali earth oxides of calcium oxide, strontium oxide and barium oxide. The sodium oxide is present in the sealing glass compositions in a total weight percent range from 2 to 6 weight percent. Each of the alkali earth oxides is present in the glass compositions in the range from 2 to 8 weight percent with the total of the three oxides not exceeding 16 weight percent.

REFERENCES:
patent: 3477863 (1969-11-01), Bromer et al.
patent: 3597785 (1971-07-01), Bruce et al.
patent: 3669698 (1972-06-01), Graff et al.
patent: 3946751 (1976-03-01), Breiter et al.
patent: 4037027 (1977-07-01), Desplanches et al.
patent: 4132820 (1979-01-01), Mitoff

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