摘要
依据塑料工业发展低耗、高效、环保型"绿色"加工成型技术的重大需求,随着塑料塑化输运方法的不断演变与创新,在塑料动态加工成型方法和设备的基础上提出和研究了基于拉伸流变的塑料加工成型方法和技术,着重讨论了拉伸形变支配的叶片挤压系统中塑料塑化输运过程、叶片挤压系统的技术特征和叶片塑化输运技术的应用。研究结果表明,与传统技术及设备相比较,这种新技术及设备具有加工历程缩短50%以上、加工能耗降低30%左右、混合混炼效果好、制品质量提高、对物料适应性广等优异的技术性能。同时发现,新技术及设备在多相多组份复合材料、剪切热敏感高分子材料等物料体系的加工方面具有独特优势。
According to the great demand for the＂green＂ plastics processing technology of the low energy consumption,high efficiency and environmental protection in plastics industry,the plastics processing method and technology based on the elongation rheology,with continuing evolution and innovation of the plastics plasticating and conveying method,are presented and researched on the basis of the plastics dynamic processing method and equipment,and it is focused on that the plastics plasticating and conveying process in the vane extrusion system,the technical characteristics of that and the applications of vane plasticating and conveying technology are discussed.The research results show that compared with the conventional processing equipment,this new technology and equipment shows many outstanding advantages,such as shortening the thermo-mechanical history of the plastics processing more than 50 %,reducing the energy consumption 30 % or so,improving the mixing and blending effects,improving the quality of the products and the adaptability to materials,etc.,and it is meanwhile found that the new technology and equipment has special superiority in the fields of the processing for material systems,such as the multiphase and multicomponent composite materials,the shear heat sensitive macromolecular materials,etc.
出处
《中国工程科学》
2011年第10期58-68,共11页
Strategic Study of CAE
基金
国家自然科学基金项目(10872071
50973035
50903033)
国家科技支撑计划项目(2009BA184B06)
关键词
塑料
加工成型
拉伸形变
塑化输运
plastics
processing
elongation deformation
plasticating and conveying
