STARTING MATERIAL FOR CLAYDITE Russian patent published in 1999 - IPC

Abstract RU 2134671 C1

FIELD: manufacture of building materials. SUBSTANCE: material contains clay (96.08-95.26%) and, as organic additive (1.08-0.94%), ammonia-tar liquor from phenol- formaldehyde resin production and, additionally, sludge from waste water treatment at pickling and plating enterprises (2.84-3.80% on conversion to solids). EFFECT: increased swelling property. 2 tbl, 2 ex

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RU 2 134 671 C1

Authors

Strokatova S.F.

Jurk"Jan O.V.

Zheltobrjukhov V.F.

Dates

1999-08-20—Published

1998-02-24—Filed