PRINTING METHOD AND PRE-TREATMENT COMPOSITION

摘要

Pre-treatment composition and printing method, for producing durable images, using it are disclosed. Said pre-treatment composition includes a liquid vehicle, a polyvalent metal salt as fixing agent, and a latex resin having a glass transition temperature (Tg) ranging from - 22 ? to 20 ?. Said method encompasses applying the pre-treatment composition onto a recording medium and applying an ink composition including an aqueous liquid vehicle and a colorant, over said pre-treatment composition, wherein the time interval between the finishing point of the application of the pre-treatment composition and between the starting point of the application of the ink composition is between 1 and 30 seconds.