| abstract |
According to the present invention there is provided a heatnmode imaging element for providing a lithographic printing platenconsisting of a lithographic base with a hydrophilic surface and antop layer that is sensitive to IR-radiation, comprises a polymernsoluble in an aqueous alkaline solution, and is unpenetrable for annaqueous alkaline developer, characterized in that said top layerncomprises a polysiloxane surfactant. |