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研究两种BaSO4应用于ABS黄色母粒中及其对ABS黄色母粒色彩性能的影响。利用分光光度测色仪测定黄色母粒注塑样板制品的反射率曲线、L*a*b*值以及色差△E,并就两种助剂对ABS黄色母粒色彩性能的影响进行比较。结果表明:用BaSO4替代20%～30%的黄色颜料时,在黄色母粒其他性能基本保持不变的情况下,制品的色彩性能也保持不变;BaSO4对色母粒色彩性能的影响主要取决于BaSO4颗粒的粒度大小、粒径分布和表面处理的情况。
The effects of two kinds of BaSO4 on ABS yellow masterbatch and their influence on the color properties of ABS yellow masterbatch were studied. The reflectance curve, L * a * b * value and color difference △ E of the yellow masterbatch injection molded samples were measured by spectrophotometer. The effects of the two additives on the color properties of ABS yellow masterbatch were compared. The results show that when BaSO4 is used to replace 20% ~ 30% yellow pigment, the color performance of the product remains the same under the other properties of the yellow masterbatch remain unchanged. The effect of BaSO4 on the color performance of the masterbatch depends mainly BaSO4 particle size size, particle size distribution and surface treatment.