BINDER FOR LOW-TOXIC WOOD PLASTIC MATERIALS Russian patent published in 2001 - IPC

Abstract RU 2162860 C2

FIELD: chemical engineering, more particularly preparation of wood plastic materials. SUBSTANCE: binder is essentially product of reaction of phenol-formaldehyde resin with 40% aqueous ammonia emulsion of tall lignin, ratios of components being as follows: tall lignin emulsion 20-40. Tall lignin is sulfate-cellulose production waste and is essentially pasty product poorly miscible with water. EFFECT: lower toxicity of pheno-formaldehyde resins. 12 ex, 2 tbl

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RU 2 162 860 C2

Authors

Sinegibskaja A.D.

Donskaja T.A.

Kosmachevskaja N.P.

Kosmachevskaja N.V.

Dates

2001-02-10—Published

1999-03-09—Filed