Efficient diesel fuel antifoams of low silicone content

Details Efficient diesel fuel antifoams of low silicone content Efficient diesel fuel antifoams of low silicone content

C - Chemistry, Metallurgy

08

G

C08G 77/46 (2006.01) B01D 19/04 (2006.01) C10L 1/14 (2006.01) C10L 1/28 (2006.01) F02B 3/06 (2006.01)

Patent

CA 2143619

The present invention is a class of organosilicone terpolymers which may be used to abate the foaming of diesel fuel at silicon levels below 1.2 ppm. Said silicone terpolymers are modified alkyl phenol derivatives and polyethers grafted on a polysiloxane copolymer. Said polysiloxane terpolymer has a structure of MD x D*y D**Z M, where M is O.5Si(CH3)3, D is a OSi(CH3)2, D* is OSi(CH3)R, R is a polyether, D** is OSi(CH3)R', R' is a phenol derivative x+y+z is 35-350, x/(y+z) is 3 to 6 and y/z is 0.25 to about 9Ø

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