METHOD OF PRODUCING POLYMER MOULDING MATERIAL Russian patent published in 2014 - IPC C08G8/18 D06M13/12 D06M11/77 C08J5/04 

FIELD: chemistry.

SUBSTANCE: polyacrylonitrile (PAN) fibre is saturated with a mixture of monomers and resin is synthesised on the surface and in the structure the PAN fibre for 30 minutes. Further, moulding is carried out at pressure of 0.1 MPa. The mixture of monomers used is a mixture of para-phenolsulphonic acid and formalin. The mixture of monomers contains a modifying additive - ultrafine silicon with specific surface area of 67 m²/g. The ultrafine silicon has a spherical shape and an internal nucleus-shell structure, and the ratio of the thickness of the shell to the inner diameter is 1:4. The ratio of the used components PAN fibre:monomer mixture:ultrafine silicon is 1:15:0.1-0.3.

EFFECT: invention increases exchange capacity of the moulding material, reduces its electrical resistance, enables to form a polymer structure with a multi-level system of pores, which enables to use the material at high flow rates of the purified liquid.

1 dwg, 2 tbl, 3 ex