Ascension pipe and ascension pipe cap sealers for by-product cok

Details Ascension pipe and ascension pipe cap sealers for by-product cok Ascension pipe and ascension pipe cap sealers for by-product cok

1982-06-14

1983-07-26

Griffin, Ronald W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

501 14, 501 28, 501 65, 523139, 523140, 523141, 524183, 524404, 524405, 524564, C03C 502, C04B 3500

Patent

active

043955053

ABSTRACT:
A water-based paste which is curable to a flowing glass which is made generally from boric acid, silica flour, or diatomite silica. Generally, silica flour is added for pipe sealer or diatomite-type silica for cap sealers. Optional additives are latex and Kelzan for modifying rheology and trisodium phosphate to fine control the softening point. These compositions may be utilized in standpipes and collecting mains in coke ovens. The softening point of the composition is selected so that it is compatible with the operation of the coke oven. Softening temperatures for these compositions range from about 400.degree. C. to about 750.degree. C. and the boric acid and silica components were selected with a particle size ranging from about 44-210 microns.

REFERENCES:
patent: 2194246 (1940-03-01), Oberlander et al.
patent: 3178323 (1965-04-01), Brown et al.
patent: 4072533 (1978-02-01), Barrall et al.
patent: 4169735 (1979-10-01), Boberski et al.
patent: 4171986 (1979-10-01), Freyhold et al.
patent: 4174331 (1979-11-01), Myles

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