The invention relates to a rheological additive in the form of a preactivated paste, comprising:
A) at least one fatty acid diamide introduced in the powder form, it being possible for said powder optionally to comprise, in addition to the diamide, hydrogenated castor oil,
B) at least one organic plasticizer, said plasticizer being liquid at room temperature.
A specific process for the preparation of this rheological additive, a composition comprising said additive, a process for the preparation of said composition and specific uses, in particular specific coatings obtained from said additive, are also concerned.
这项发明涉及一种流变添加剂,其为预活化的糊状物,包括:A)至少一种
脂肪酸二酰胺以粉末形式引入,该粉末可以选择性地包括除二酰胺外,氢化
蓖麻油;B)至少一种有机
增塑剂,该
增塑剂在室温下为液体。还涉及一种特定的制备该流变添加剂的方法,包括所述添加剂的组合物、制备所述组合物的方法以及特定用途,特别是从所述添加剂获得的特定涂层。