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Understanding dispersion of copper phthalocyanine alpha blue pigment in polyethylene masterbatch with the use of wax
Coloration Technology ( IF 1.8 ) Pub Date : 2020-11-03 , DOI: 10.1111/cote.12506
Mert Yücetürk 1, 2 , Mehmet Özgür Seydibeyoğlu 1
Affiliation  

Coloured plastics and polymers are widely used in packaging and consumer goods. Despite their critical roles, there is limited literature on detailed analysis of effective pigment dispersion in polymer matrices for masterbatch applications. In this study, detailed research was conducted on pigment dispersion using different wax materials and their performances in polyethylene masterbatches were compared. During the study, it was first found that the presence of salt crystals plays a critical role in dispersion in one of the tested pigments. Using a laser particle size device, it was shown that homogeneous particle size distribution is another critical parameter for proper pigment distribution. Although filter testing is a common method in industrial applications, there is very limited information in the academic literature. The filter test method was used to examine the effects of different polyethylene waxes on pigment dispersion. The best filter pressure values were obtained in masterbatches made with micronised wax. It was also observed that the improved dispersion increased the mechanical properties of the masterbatch. The masterbatch colours were measured with a sphere spectrophotometer and it was observed that uniform pigment distribution increased the colour strengths. Similar results were also seen in polyethylene films produced by the blown film process.

中文翻译:

了解使用蜡将铜酞菁α蓝色颜料分散在聚乙烯母料中

有色塑料和聚合物广泛用于包装和消费品。尽管它们发挥了关键作用,但对于用于母料应用的聚合物基质中有效颜料分散的详细分析,文献有限。在这项研究中,对使用不同蜡材料的颜料分散进行了详细研究,并比较了它们在聚乙烯母料中的性能。在研究过程中,首先发现盐晶体的存在对在一种测试颜料中的分散性起着至关重要的作用。使用激光粒度仪,结果表明,均匀的粒度分布是正确分配颜料的另一个关键参数。尽管过滤器测试是工业应用中的常用方法,但是学术文献中的信息非常有限。过滤器测试方法用于检查不同聚乙烯蜡对颜料分散性的影响。在由微粉化蜡制成的母料中可获得最佳的过滤器压力值。还观察到改善的分散性提高了母料的机械性能。用球形分光光度计测量色母的颜色,并且观察到均匀的颜料分布增加了色强度。在通过吹膜方法生产的聚乙烯膜中也看到了相似的结果。用球形分光光度计测量色母的颜色,并且观察到均匀的颜料分布增加了色强度。在通过吹膜方法生产的聚乙烯膜中也看到了相似的结果。用球形分光光度计测量色母的颜色,并且观察到均匀的颜料分布增加了色强度。在通过吹膜方法生产的聚乙烯膜中也看到了相似的结果。
更新日期:2020-11-12
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