成型加工过程中聚合物的连续自增强

Continuous Self-Reinforcement of Polymer During Molding Processing

提出了成型加工过程中聚合物连续自增强的概念.先介绍了传统加工过程中实现聚合物自增强的主要加工方法和设备,然后重点介绍了基于振动力场及拉伸力场的聚合物连续自增强加工方法和设备,阐述了聚合物在振动力场以及拉伸力场作用下连续自增强的机理、振动力场与拉伸力场对制品性能的影响.研究结果表明:振动力场和拉伸力场加工聚合物制品的自增强效果显著,制品力学性能与微观形态均明显改善;连续自增强技术具有物料适应广、适合实际生产加工等优点.

Proposed in this paper is a concept of continuous self-reinforcement of polymer during moulding processing.In the investigation,first,the main techniques and equipment of self-reinforcement applied to the traditional polymer processing are introduced.Then,a technique and the equipment of continuous self-reinforcement based on vibration and elongation force fields are discussed in particular.Finally,the mechanism of polymer’s continuous self-reinforcement under vibration and elongation force fields is analyzed,and the effects of vibration and elongation force fields on the final properties of the product are revealed.The results show that the self-reinforcement of polymer products processed in vibration and elongation force fields is remarkable,which significantly improves the comprehensive mechanical properties and microstructure of polymer products;and that the proposed continuous selfreinforcement technique is applicable to the practical production with diverse materials.