Use of at least one UV stabiliser (A) of formula (I) wherein R1 is a non-substituted or substituted aliphatic or aromatic hydrocarbyl radical comprising heteroatoms; and R2, R3, R5 and R6 are independently non-substituted or substituted aliphatic C1-C4 hydrocarbyl radicals, R4 is H or CH3, as an extrusion processing aid for polyethylene compositions comprising one or more pigments (C).
至少一种式 (I) 紫外线稳定剂 (A) 的用途 其中 R1 是包含杂原子的非取代或取代的脂肪族或芳香族烃基;R2、R3、R5 和 R6 独立地是非取代或取代的脂肪族 C1-C4 烃基,R4 是 H 或
CH3,用作包含一种或多种
颜料 (C) 的聚
乙烯组合物的挤出加工助剂。