| abstract |
An ink composition includes from about 2 wt% to about 5 wt% of a colorant; from about 10 wt% to about 20 wt% of a co-solvent; from about 0.5 wt% to about 1.0 wt% of an alkyl phosphate ester; from about 0.5 wt% to about 9 wt% of any of methyl gluceth-10, methyl gluceth-20, PPG-10 methyl glucose ether, or PPG-20 methyl glucose ether; and a balance of water. |