POLY(ALKOXY)(ACYLOXY)SILSESQUIOXANES AS GREASING-HYDROPHOBIZING AGENT FOR FUR AND LEATHER SEMIPRODUCT AND A METHOD OF THEIR PREPARING Russian patent published in 1995 - IPC

FIELD: organic chemistry. SUBSTANCE: product: poly(alkoxy)(acyloxy)silsesquioxanes of the general formula I where R - CH₃, C₂H₅; Alk - C₁₇H₃₅-C₃₉H₇₉; m + n = 4; n = 1-4. Method of synthesis: condensation of poly(alkoxy)silsesquioxanes of the general formula II where R - R = CH₃, C₂H₅ with higher aliphatic carboxylic acid or with a mixture of higher aliphatic fatty carboxylic acid with C₁₇H₃₅-C₃₉H₇₉ at 100-120 C at single-step addition of the latter. EFFECT: enhanced effectiveness of agent. 3 cl, 1 tbl