| 摘要 |
<p>A biodegradable ink composition for ink jet printing, liquid at room temperature, including a binder comprising at least 0.5% by weight relative to the total weight of the ink, of at least one biodegradable polymer having a weight average molecular weight less than 70 kDa, an organic vehicle or solvent including one or more organic solvent compound(s), and optionally water, at least 0.1% by weight relative to the total weight of the ink of one or more dye(s) and/or pigment(s), in which the biodegradable polymer is polyhydroxyalkanoates (PHA), polyesteramides (PEA), poly(glycolic acid)s, poly(lactic acid)s (PLA), polycaprolactones (PCL), the copolymers thereof; and aliphatic copolyesters such as succinates, adipates or terephtalates, and in which the ink composition has a viscosity of 1 to 20 mPa·s.</p> |
