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Chemically crosslinked polyethylene foams of limited flammability (Rapid Communication)

机译:易燃性有限的化学交联聚乙烯泡沫(快速传递)

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摘要

A method to prepare chemically crosslinked polyethylene foams from a mixture consisting of polyethylene, foaming agent, crosslinking agent, antioxidant and flame retardant was discussed in this paper. The extrusion was carried out using a twin-screw extruder (temperature of barrel zones: 100, 110, 125 and 125 degrees C). Cross linking process of the extruded material was performed at 160 degrees C for 5 min. The polyethylene films were foamed in silicon oil at 225 degrees C for 2 mm. The influence of the content of flame retardant on density, hardness, flammability and tensile strength of the obtained foam was determined.
机译:本文讨论了一种由聚乙烯,发泡剂,交联剂,抗氧化剂和阻燃剂组成的混合物制备化学交联聚乙烯泡沫的方法。使用双螺杆挤出机(机筒区域的温度:100、110、125和125℃)进行挤出。挤出材料的交联过程在160摄氏度下进行5分钟。将聚乙烯膜在225℃的硅油中发泡2mm。确定了阻燃剂的含量对所得泡沫的密度,硬度,可燃性和拉伸强度的影响。

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