Sealant material

Details Sealant material Sealant material

1980-07-22

1981-07-07

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 296R, 260 296MM, 521 65, 521 72, 521 91, 521149, 521910, C08J 930

Patent

active

042775680

ABSTRACT:
A sealant for the remedial sealing of self-sealing coke oven doors, or ordinary coke oven doors sealed with a conventional lute, or for sealing spigot joints in off-gas pipe lines in coke oven installations comprises a mixture of from 25 to 45% of a latex, (preferably a PVA-based latex) from 10 to 25% water, from 25 to 45% of a particulate filler (preferably a talc) and from 5 to 15% of an inorganic fiber (preferably an asbestos fiber). At least 40% of the fiber should pass through a British standard 100-mesh sieve.
The sealant may vary from a flowable to a putty or paste-like consistency and may be applied by spraying or trowelling as appropriate. If the inorganic fiber is not an asbestos the sealant may also include a proportion of a water soluble thickener to enhance the compatibility of the mixture.

REFERENCES:
patent: 2465295 (1949-03-01), Strauss
patent: 2930770 (1960-03-01), Wade
patent: 2993017 (1961-07-01), Sucetti
patent: 3215660 (1965-11-01), Bryan et al.
patent: 3239475 (1966-03-01), Clark
patent: 3278466 (1966-10-01), Cram et al.
patent: 3421277 (1969-01-01), Frischmuth
patent: 3483156 (1969-12-01), Mills, Jr. et al.

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