B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 7/48 (2006.01) C08J 3/09 (2006.01) C08L 83/04 (2006.01)
Patent
CA 2288525
A highly productive method for the continuous production of homogeneous solutions of organopolysiloxane gums is carried out by mixing a solvent and an organopolysiloxane gum. It is characterized by using for mixing, a twin screw compounding extruder which is self-cleaning in which the extruder has at least 2 solvent feed ports downstream from the gum feed port and the internal pressure in the extruder is maintained at a value from 0.00981 to 0.981 MPa during the process.
Higuchi Norikatsu
Matsuda Norio
Mori Hideyuki
Suto Fumitaka
Dow Corning Toray Silicone Company Ltd.
Gowling Lafleur Henderson Llp
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