METHOD OF PRODUCING STYRENE OLIGOMERS, HOMOLOGUES THEREOF, METHYLMETHACRYLATE OR MIXTURE OF ACRYLIC AND METHACRYLIC ESTERS AND METHOD OF PRODUCING COMPOSITE MATERIALS THEREFROM Russian patent published in 2011 - IPC C07C2/04 C08F2/38 C08F112/08 C08F120/14 

FIELD: chemistry.

SUBSTANCE: present invention relates to a method of producing oligomers and a method of producing composite materials therefrom. Described is a method of producing styrene oligomers, homologues thereof, methylmethacrylate or mixture of acrylic and methacrylic esters, involving heating a monomer to 70-98°C for 15-60 minutes in the presence of a radical polymerisation initiator in amount of 0.001-0.5 wt % of the monomer until achieving viscosity of 500-2500 mPa·s, and then cooling and adding a polymerisation inhibitor in amount of 0.0005-0.05% of the weight of the monomer. Described also is a method of producing composite materials, characterised by that the oligomer produced using the above described method is mixed with a polymerisation initiator taken in amount of 0.1-4% of the mass of the oligomer and a mineral and/or polymer filler taken in amount of 60-90% of the reaction mass, followed by pressing and/or solidification of the obtained mass at temperature 10-100°C.

EFFECT: shorter oligomerisation time and obtaining an oligomer with longer storage time, obtaining composite material with improved physical-mechanical and technological parametres.

3 cl, 1 tbl, 10 ex