Method of preparing fire retardant insulation

Details Method of preparing fire retardant insulation Method of preparing fire retardant insulation

1977-11-21

1979-10-30

Smith, John D.

Compositions

Electrolytes for electrical devices

252 81, 423277, 427390D, C04B 4300, C09K 328

Patent

active

041728041

ABSTRACT:
A method of preparing fire retardant cellulosic fiber insulation which includes the steps of reacting borax with a source of hydrogen ions such as sulfuric acid or various other acids or acid salts in an amount sufficient to convert at least about 20% of the borax into boric acid and a sodium salt and then mixing the resulting composition with a cellulosic fiber base.

REFERENCES:
patent: 1612678 (1926-12-01), Vivas
patent: 1723989 (1929-08-01), Balduf
patent: 2147793 (1939-02-01), Kropp
patent: 2470641 (1949-05-01), Portz
patent: 2746841 (1956-05-01), Taylor
patent: 3027326 (1962-03-01), Moffett
patent: 3259104 (1966-07-01), Gerber
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Edition, vol. 3, p. 615, 1963.
Anderson, "Boric Acid Future in Insulation Uncertain" C & EN, Apr. 10, 1978, pp. 11 to 13.

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