Patent ID: 6218495
Filing Date: 2001-04-17
Classification: C08G,C08J,C08L,Y10S

Abstract:
A three-stage process for the continuous preparation of RTV-1 organopolysiloxane compositions, which comprises,in a first step, preparing a raw mixture of .alpha.,.omega.-dihydroxypolydiorganosiloxane, filler and, if desired, further constituents,in a second step, freeing the raw mixture of gas inclusions under reduced pressure and, if desired, mixing the raw mixture with further constituents to form a degassed raw mixture and, in a third step, mixing the degassed raw mixture with an additional component comprising one or more of a crosslinker, a condensation catalyst, or a further constituent, said additional component causing the product obtained from said third step to be different from the product obtained from said second step.