OLIGOETHOXY SILOXANE (VERSIONS) Russian patent published in 2014 - IPC C08J11/04 C08L83/04 C08G77/32 

FIELD: chemistry.

SUBSTANCE: invention relates to chemistry and can be used in the oil extraction industry, particularly to oligoethoxy siloxane, which is obtained by treating organosilicon wastes, ground to particle size of not more than 3 cm, with a mixture consisting of tetraethoxysilane, ethyl silicate 32 and/or ethyl silicate 40, potassium hydroxide or sodium hydroxide and water at temperature of 60-70°C for 3-8 hours, followed by filtration.

EFFECT: low cost of producing oligoethoxy silanes while preserving physical and chemical properties thereof.

2 cl, 2 tbl