SILOXANE-CONTAINING TITANIUM ALKOXYDERIVATIVES AS WATER REPELLANT OF CELLULOSE-CONTAINING MATERIALS, PROCESS FOR PREPARING THEREOF AND COMPOSITION FOR HYDROFOBIZATION Russian patent published in 1994 - IPC

FIELD: hydrofobization of cellulose- containing materials. SUBSTANCE: siloxane-containing titanium alkoxyderivatives of the general formula: wherein R is C₂-C₄ alkyl; R′ and R″, the same or different, are C₁-C₉ alkyls, aryl or trifluoropropyl; R′′′ is (1) or (2); n is 1-7; y is 1-3; x is 1-3 are prepared by hetero- functional condensation of 2 moles of titanium alkoxyderivatives of the formula: wherein R is C₂-C₄ alkyl; R′′′ is OR, (1), (2) with 1-3 moles of a diol organosilicon of the formula: HP[Si(R′R″)O]_nH, wherein R′ and R″, the same or different, are C₁-C₉ alkyls, aryl or trifluoropropyl; n is 1-7. The composition comprises (%): 20-70 siloxane-containing titanium alkoxyderivatives and 30-80 an organic solvent. EFFECT: improved properties of the water repellent. 4 tbl