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竹纤维/HDPE混熔生产竹塑复合材料的研究 被引量:2

Study on Bamboo Fibers/HDPE Producing Bamboo Plastic Composites
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摘要 Bamboo Plastic Composites(BPCs),竹塑产品是由竹粉和塑料混合制造而成。由于其良好的尺寸稳定性,竹塑产品可以应用于室内和户外工程,代替木制品和塑料制品。本研究的核心技术是采用专为加工竹塑而设计的啮合式双螺杆挤出机。特点为:可更换的模块化螺杆;塑化柔和,混炼均匀;螺杆加热/冷却系统确保精确的熔体温度控制;高产量但螺杆转速很低;准确的排气控制,挤出压力稳定,预热加料机置于主机顶部,先抽出竹粉中残留的水分,使主机加料段更加充实,提高塑化混炼效果。优化的螺杆设计使剪切小,不易剪断竹纤维,能使物料在机内停留时间均匀。螺杆机筒采用双金属处理,耐磨耐腐蚀,使用寿命延长。 BPCs - Bamboo Plastic Composites - are a special compound of bamboo and plastic material Due to their dimensional stability, BPCs are suitable for indoor and outdoor application and as a substitute of traditional wood and plastic materials. Key component in the production process is the twin - screw extruder with intermeshing screws. We specifically designed for processing bamboo fiber composites and have the following advantages: interchangeable screw segments, gentle plasticizing and good homogenization of the materials, screw heating and cooling system allowing for temperature control of the melt, high output capacity at low screw speed, controlled degassing of raw materials and color components. The feeding section of the extruder can be filled with enough material and the plasticization effect will be better. Special and well designed screw enables the raw material to be evenly stay in the extruder. The screws and the barrel are bi -metallic treated, more wearable and anto-corrosion.
出处 《贵州化工》 2010年第2期18-20,30,共4页 Guizhou Chemical Industry
基金 本课题属于贵州“十一五”重大专项“竹产业关键技术研究与方法”,(2007)6002.
关键词 竹塑复合材料 竹塑挤出机 竹纤维 塑料 bamboo plastic composites BPCs extrusion bamboo fibers HDPE
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