Use of modified with oxyalkylene ether epoxypolysiloxanes as hydrophobing agents in SREPs

Use of modified with oxyalkylene ether epoxypolysiloxanes containing at least one group bonded to a Si atom of the Epoxypolysiloxans group of the general formula (I) -R included, in which R n is 2 to 8, m is 0 to 2n, x has a value from 1 to 200, and R R R