abstract |
FIELD: chemistry. n SUBSTANCE: process for preparing soluble in organic solvents of Polymethylsilsesquioxanes Methyltrialkoxysilanes hydrolytic polycondensation of the general formula MeSi (OAlk) 3 , where in Alk represents C 1 -C 3 alkyl, in a closed system at a temperature of 50-180°C and a pressure of 0.1-0.2 MPa. n EFFECT: possibility of obtaining soluble in organic solvents Polymethylsilsesquioxanes containing a large amount of OH groups of the available Methyltrialkoxysilanes under mild conditions. n 2 cl, 1 tbl, 6 ex |