Provided is a pretreatment liquid for use on a fabric prior to printing with ink on the fabric, the pretreatment liquid comprising:
water;
polyvalent metal ions; and
first fine polymer particles,
wherein the first fine polymer particles are crosslinkable polyurethane and/or crosslinkable polyurethane-polyurea, the particles having a glass transition temperature of -10°C or lower and a particle diameter as determined by a light scattering method of 30 nm to 5 µm.
提供了一种预处理液,用于在织物上印墨之前对织物进行预处理,预处理液包括
水
多价
金属离子
第一种精细聚合物颗粒、
其中,第一细聚合物颗粒为可交联聚
氨酯和/或可交联聚
氨酯-聚
脲,颗粒的
玻璃化温度为-10°C 或更低,通过光散射法测定的颗粒直径为 30 纳米至 5 微米。