C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/27
C10L 1/28 (2006.01)
Patent
CA 1331512
Abstract of the Disclosure The specification discloses a method of de-hazing distil- late fuel which comprises adding to the fuel an organosiloxane having at least one quaternary ammonium substituted siloxane unit having the general formula (i) Image in which a has the value 1 or 2, each R represents a substituted or unsubstituted hydrocarbon group of up to 10 carbon atoms provided that one of the Rs may be a hydroxyl group when a has the value 2, Z represents a quaternary ammonium group (ii) R'N+(R2)3X- linked to the silicon atom of the siloxane unit, R' represents a divalent hydrocarbon group linking the silicon and nitrogen atoms, each R2 represents an alkyl group having up to 20 carbon atoms and X- represents a halogen ion. Preferred organosi- loxanes also comprise siloxane units according to the general formula (iii) Image in which each R is a substituted or unsubstituted hydrocarbon group of up to 10 carbon atoms and b has the value 1, 2, or 3 and may be according to the average general formula (iv) R3SiO(R2SiO)x(RSiOR'N+(R2)3X-)ySiR3 in which x has a value in the range 1 to 150, y has a value in the range 1 to 10 and the ratio of x+y/y lies in the range 2 to 25. In preferred organosiloxanes two of the groups R2 have 1 to 5 carbon atoms and one of the groups R2 has a chain of 10 to 15 carbon atoms.
565687
Easton Thomas
Thomas Bryan
Dow Corning Limited
Gowling Lafleur Henderson Llp
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