Synergistic Effect of TNPP and Carbon Black in Weathered XLPE Materials

Al-Robaidi Amin

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Synergistic Effect of TNPP and Carbon Black in Weathered XLPE Materials

机译：TNPP和炭黑在风化XLPE材料中的协同效应

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Carbon black is one of the most widely used and most effective ultraviolet (UV) light stabilizers for plastics applications. Several important segments of the plastics industry rely on carbon black for UV stabilization of weather-resistant products, including telecommunications, power cable jacketing, and plastic pipes. In this research work a combination of Trisnonylphospate (TNPP) antioxidant and different size carbon black were applied in crosslinked polyethylene (XLPE) to improve its wether-ability. The primary reason for cross-linking polyethylene (PE) is to raise the thermal stability of the material under load. This substantially improves environmental stress crack resistance and resistance to slow crack growth. The results achieved of this additive package combination show a synergism effect and improved weatherability of electrical cable. Increased weathering lifetime was also achieved. Further, we were able to confirm in this work, that the size and quality of the carbon black dispersion in a XLPE samples is an important component of both the UV-resistance and mechanical properties of the finished plastic article. Incremental improvements of carbon black dispersion can positively influence the expected life of plastic articles. Mechanical testing and FTIR were used to detect degradation of the accelerated weathered XLPE samples. The morphological considerations of UV energy absorption and presents laboratory data demonstrating the link between dispersion and weatherability as well as between morphology and weatherability.

机译：炭黑是塑料应用中使用最广泛，最有效的紫外线（UV）稳定剂之一。塑料工业的几个重要领域依靠炭黑来稳定耐候产品的紫外线，包括电信，电缆护套和塑料管。在这项研究工作中，将三壬基磷酸酯（TNPP）抗氧化剂和不同尺寸的炭黑结合使用在交联聚乙烯（XLPE）中，以提高其润湿性。交联聚乙烯（PE）的主要原因是提高材料在负载下的热稳定性。这大大提高了耐环境应力开裂性和抗慢速裂纹扩展性。这种添加剂包装组合获得的结果显示出协同作用和改善的电缆耐候性。还可以延长风化寿命。此外，我们能够在这项工作中证实，XLPE样品中炭黑分散体的大小和质量是塑料制品的耐紫外线性和机械性能的重要组成部分。炭黑分散性的逐步改善可以积极影响塑料制品的预期寿命。机械测试和FTIR用于检测加速风化的XLPE样品的降解。紫外线能量吸收的形态学考虑因素，并提供了实验室数据，证明了分散性与耐候性之间以及形态与耐候性之间的联系。

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来源
《Journal of Polymers and the Environment》 |2009年第4期|267-272|共6页
作者
Al-Robaidi Amin;
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作者单位

Faculty of Engineering, Al-Balq'a Applied University, Al-Salt, Jordan;

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原文格式 PDF
正文语种 eng
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关键词
XLPE; weathering; degradation; electrical cable; FTIR; mechanical testing; TNPP;

机译：交联聚乙烯;风化;降解;电缆;FTIR;机械测试;TNPP;

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机译：评估聚乙烯中的炭黑分散体以预测耐候性

Synergistic Effect of TNPP and Carbon Black in Weathered XLPE Materials

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