METHOD OF CHIPBOARDS PRODUCTION AND COMPOSITION FOR ITS IMPLEMENTATION Russian patent published in 2008 - IPC B27N3/02 C08L97/02 

Abstract RU 2336996 C1

FIELD: technological processes.

SUBSTANCE: method includes grinding of woodworking wastes or plant materials, mixing with binder and subsequent pressing. Binder is liquid sodium glass that contains dry substance of glass 30-70; water 70-130 wt parts; at that cold pressing is executed, and binder is taken in amount of 20-50 wt parts per 100 wt parts of wastes. Binder may additionally contain hardener - salts of mineral acids in amount of 3-5 wt parts, in this case liquid sodium glass is preliminarily homogenised with hardener.

EFFECT: invention makes it possible to prepare ecologically clean, thermally resistant and moisture resistant items.

8 cl, 3 tbl

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RU 2 336 996 C1

Authors

Kazakov Roman Jakovlevich

Zakharova Tamara Vital'Evna

Peshkov Nikolaj Aleksandrovich

Dates

2008-10-27Published

2007-02-28Filed