METHOD OF PRODUCING MODIFIED FIBROUS MATERIALS BASED ON BASALT THREAD Russian patent published in 2023 - IPC C03C25/40 

FIELD: chemistry.

SUBSTANCE: invention relates to the chemical field of producing reinforcing fillers. A method of producing modified fibrous materials based on basalt thread involves modifying fibrous materials with aqueous solutions of 3-glycidoxypropyltrimethoxysilane under the following conditions: water content, wt.%. - 89.5-97.9; content of 3-glycidoxypropyltrimethoxysilane, wt.% - 2.0-10.0; acetic acid content, wt.% - 0.1-0.5; pH of the medium - 4.4-4.6; duration of modification, s - 58-62; solution temperature, °C - 18-22, followed by drying of impregnated fibrous materials at a temperature of 48-52°C for 38-42 minutes and heat treatment at a temperature of 98-102°C for 14-16 minutes.

EFFECT: invention makes it possible to obtain fibrous materials based on a basalt thread with increased strength - 2,590 mN/tex.

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