abstract |
A hot melt ink, comprising: n a vehicle which is solid at room temperature and becomes liquid when heated beyond its melting point; and n a colorant; n wherein the heat of melting is from 100 to 200 mJ/mg, the softening point is from 50 to 70 °C and the viscosity is from 0.01 to 0.03 Nsm⁻² (10 to 30 cp) at a temperature higher than the melting point. |