COMPOSITION FOR WOOD FIBER BOARDS Russian patent published in 2003 - IPC

Abstract RU 2196791 C1

FIELD: chemical technology; manufacture of solid fiber boards by wet method. SUBSTANCE: composition includes maturated wood fiber, fiber-containing sediment, phenol-formaldehyde resin , paraffin and sulfuric acid; composition contains fiber-containing sediment as part of raw wood material which is obtained after mechanical cleaning of industrial run-off of cellulose or plate production process. Consumption of maturated wood fiber is reduced due to definite ratio of components. EFFECT: improved hydrophobic properties of wood fiber boards. 1 tbl

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RU 2 196 791 C1

Authors

Denisov S.V.

Chelysheva I.N.

Dates

2003-01-20—Published

2001-07-25—Filed