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
Title | Year | Author | Number |
---|---|---|---|
COMPOSITION FOR PRESSED ARTICLE MAKING | 1989 |
|
RU2031091C1 |
PANEL PRODUCTION METHOD | 2003 |
|
RU2266816C2 |
METHOD FOR PRODUCTION OF WOOD PARTICLE BOARDS | 1992 |
|
RU2074090C1 |
COMPOSITION FOR SPLINT-SLAB PLATES | 1989 |
|
RU2057773C1 |
METHOD FOR MANUFACTURE OF SLABS | 2001 |
|
RU2214329C2 |
WOOD-PARTICLE COMPOSITE MATERIAL AND METHOD FOR ITS MANUFACTURING | 2009 |
|
RU2400358C1 |
COMPOSITION FOR MANUFACTURING COMPACTED WOOD MATERIALS | 1994 |
|
RU2036943C1 |
COMPOSITION FOR PLATES MADE FROM RICE SHELL | 2005 |
|
RU2291051C1 |
METHOD OF MAKING THE MOLDING MATERIALS OF WASTE PRODUCTS OF WOOD-WORKING AND WOOD REPROCESSING OF WASTE PRODUCTS OF OTHER VEGETABLE RAW MATERIALS OR THEIR MIXTURES | 1994 |
|
RU2044636C1 |
METHOD OF MAKING CONSTRUCTION PLATES | 2018 |
|
RU2682450C1 |
Authors
Dates
2008-10-27—Published
2007-02-28—Filed