FIELD: chemistry.
SUBSTANCE: invention can be used for producing composite adhesive, in particular for use in production of composite materials, such as wood chipboards, wood-fibre boards, plywood or board elements of wood structures. Method comprises obtaining a composite adhesive which contains at least one polycondensation adhesive, at least one step-polymerisation adhesive and at least one particle, particularly oxide, hydroxide or oxyhydroxide nanoparticle with size less than 500 nm, where at least one particle is modified with at least one compound of general formula (I)
in presence of acid, where X represents H, OH or hydrolysable radical selected from a group comprising halogen, alkoxy, carboxy, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, alkylcarbonyl; R represents a non-hydrolysable organic radical selected from a group comprising alkyl, aryl, alkenyl, alkynyl, cycloalkyl, which may include -O- or -NH-, and where R has at least one functional group Q, which is selected from a group comprising epoxy, hydroxy, ether group, amino, monoalkylamino, dialkylamino, substituted and unsubstituted aniline, amide, carboxy, alkynyl, acrylic, acryloxy, methacrylate, methacryloxy, mercapto, cyano, alkoxy, isocyanatoe, aldehyde group, alkylcarbonyl, acid anhydride and/or phosphoric acid group, R and X each can be identical or different, and a = 1, 2, 3, in particular 1.
EFFECT: technical result is production of an adhesive system with improved processing properties.
15 cl, 1 dwg, 3 ex
