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首页> 外文会议>Society of Plastics Engineers Annual Technical Conference 2005(ANTEC 2005) vol.1; 20050501-05; Boston,MA(US) >THE EFFECT OF INGREDIENTS AND PROCESSING CONDITIONS ON THE EXTRUSION PROCESSABILITY OF HALOGEN-FREE FLAME RETARD ANT THERMOPLASITCS
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THE EFFECT OF INGREDIENTS AND PROCESSING CONDITIONS ON THE EXTRUSION PROCESSABILITY OF HALOGEN-FREE FLAME RETARD ANT THERMOPLASITCS

机译：成分和加工条件对无卤阻燃阻燃剂热塑挤出过程的影响

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摘要

Inorganic flame retardants, such as aluminum trihydrate(ATH) and magnesium dihydrate(MDH), are most widely used fillers in halogen-free flame retardant polyolefin materials, especially for cable. These inorganic fillers, as they used in great amount, influence the rheological properties and extrusion characteristics of resin. During processing, they sometimes raise a problem such as die lip buildup, which refers to the resin accumulation on the open faces of extrusion dies. It commonly deteriorates the processability. The mechanism of die lip buildup is not fully understood, though there are many proposed explanations. The effects of resin composition and processing aids on the rheological and processing performance, including die lip buildup characteristics, were studied here. Also, processing conditions on the extrusion processability were investigated.
机译：无机阻燃剂，例如三水合铝（ATH）和二水合镁（MDH），是无卤阻燃聚烯烃材料（尤其是电缆）中使用最广泛的填料。这些无机填料的用量很大，它们会影响树脂的流变性能和挤出特性。在加工过程中，它们有时会引起诸如模唇堆积的问题，这是指树脂堆积在挤出模头的开口面上。通常会降低加工性能。尽管有许多建议的解释，但尚未完全了解模唇堆积的机理。本文研究了树脂组成和加工助剂对流变学和加工性能（包括模唇堆积特性）的影响。另外，研究了关于挤出加工性的加工条件。

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