FIELD: metallurgy.
SUBSTANCE: proposed binder comprises organic polymer composed by polymer sodium- and polyalkylene oxide derivative of polymethylene-naphthalensulfonic acids and additive glycosides. Ratio of said components is as follows (in wt %): polymer sodium- and polyalkylene oxide derivative of polymethylene-naphthalensulfonic acids - 30-80 and additive glycosides - 20-70. Quantity of links in polyalkylene oxide chain is n=5÷25. Note here that polymer sodium- and polyalkylene oxide derivative of polymethylene-naphthalensulfonic acids is produced by condensation of sulfonic acid of naphthalene with formaldehyde while additives of glycoside derivatives represent fructosides, glucosides, galactosides or the mix thereof.
EFFECT: high-temperature durability and mechanical strength.
4 cl, 2 tbl
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