Granulat avsett för framställning av formade artiklar, förfarande för framställning av ett sådant granulat, samt förfarande för framställning av formade artiklar av trä eller annat cellulosahaltigt material

摘要

PCT No. PCT/SE95/00925 Sec. 371 Date Feb. 13, 1997 Sec. 102(e) Date Feb. 13, 1997 PCT Filed Aug. 15, 1995 PCT Pub. No. WO96/05953 PCT Pub. Date Feb. 29, 1996A granulate of wood or some other cellulose-containing material, pieces or particles of said material being at least partially esterified with 10-50% of a dicarboxylic acid anhydride and then impregnated with 2-25% of a polyol, the granulate being stable in storage and being possible to hot press or hot form later. A method for preparing the granulate by esterification at 80-160 DEG C. and, subsequently, impregnation at 150 DEG C. at most. A method for manufacturing formed articles by hot pressing or hot forming of the granulate, without the presence of a formaldehyde-containing adhesive and preferably without the presence of any other type of adhesive.