BINDER Russian patent published in 1997 - IPC

Abstract RU 2076120 C1

FIELD: building materials production. SUBSTANCE: proposed binder contains 45-75 mass % of phenol-formaldehyde resin and 25-55 mass % of modifying additive. Product of oxidation of lignosulfonate by Perhydrole at their ratio 19:1 respectively is used as mentioned above modifying additive. EFFECT: improves quality of desired product. 2 tbl

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RU 2 076 120 C1

Authors

Solomatov V.I.

Buzulukov V.I.

Cherkasov V.D.

Seljaev V.P.

Rusakov V.A.

Dates

1997-03-27—Published

1993-04-23—Filed