Patent ID: 7935733

Claim:
A composition comprising: a dispersant, which is expressed by one of the following Formulae 1 and 3-6: (CF 3 (CF 2 ) a CH 2 CH 2 O) x PO(OR′) y (OCH 2 CH 2 OH) z FORMULA 1 wherein a is an integer ranging from 1 to 30, R′ is selected from a group consisting of H, NH 4 , Li, Na and K, and further wherein the following expressions are satisfied: x+y+z=3, x≠0, and y≠0, (CF 3 (CF 2 ) a CH 2 CH 2 O)PO(OR′)(OCH 2 CH 2 (CF 2 ) b CF 3 ) FORMULA 3 wherein a and b are independently an integer ranging from 1 to 30, and R′ is selected from a group consisting of H, NH 4 , Li, Na and K, and further wherein a≠b, CF 3 (CF 2 ) a CH 2 CH 2 R FORMULA 4 wherein a is an integer ranging from 1 to 30 and R is selected from a group consisting of a phosphoric acid or salts thereof, and a sulfonic acid or salts thereof, CF 3 (CF 2 CFR) a CF 3 FORMULA 5 wherein a is an integer ranging from 50 to 160 and R is selected from a group consisting of a carboxylic acid or salts thereof, a phosphoric acid or salts thereof, and a sulfonic acid or salts thereof; and CF 3 [(CF 2 CF 2 ) a (CF 2 CF(OCF 2 CF(CF 3 )OCF 2 CF 2 R)] x CF 3 FORMULA 6 wherein a is an integer ranging from 0 to 4, x is an integer ranging from 45 to 160 and R is selected from a group consisting of a carboxylic acid or salts thereof, and a phosphoric acid or salts thereof; an aqueous liquid medium; and a carbon nanotube, wherein a weight ratio of the carbon nanotube and the dispersant when mixed is about 1:0.1-1:100.