共聚甲醛在高效挤出脱挥发过程中的热稳定性研究

Study on the Thermal Stability of co Formaldehyde During Efficient Extrusion Devolatilization Process

围绕共聚甲醛的热稳定性进行了深入探讨。通过分析共聚甲醛分子结构与加工条件对其热稳定性的影响,提出一系列热稳定性提升方法。试验采用了高效挤出设备,并对挤出脱挥发过程进行了监测,采用热重分析(TGA)、差示扫描量热法(DSC)和实时在线监测技术对材料的热稳定性进行了评价。结果表明,添加剂的选用和比例对提升共聚甲醛热稳定性具有显著效果,且挤出过程中的工艺参数调整对挥发物质的控制和热稳定性的提升至关重要。研究还探讨了添加剂的作用机理和分子链稳定性。最终,总结共聚甲醛热稳定性的综合评价,并对挤出脱挥发过程的热稳定性控制提出了优化策略,为共聚甲醛的工业应用提供了理论依据和实践指导。

The article delves into the thermal stability of co formaldehyde.By analyzing the influence of the molecular structure and processing conditions of co formaldehyde on its thermal stability,this article proposes a series of methods to improve its thermal stability.The experiment used efficient extrusion equipment and monitored the extrusion devolatilization process.The thermal stability of the material was evaluated using thermogravimetric analysis(TGA),differential scanning calorimetry(DSC),and real-time online monitoring technology.The results indicate that the selection and proportion of additives have a signifi cant effect on improving the thermal stability of co formaldehyde,and the adjustment of process parameters during the extrusion process is crucial for controlling volatile substances and improving thermal stability.The study also explored the mechanism of action and molecular chain stability of additives.Finally,this article summarizes the comprehensive evaluation of the thermal stability of co formaldehyde and proposes optimization strategies for controlling the thermal stability of extrusion devolatilization process,providing theoretical basis and practical guidance for the industrial application of co formaldehyde.