Principles and methods for producing thermal expandable microcapsule are introduced. Such microcapsules were mainly prepared by a limited coalescence suspension polymerization technique.
讨论了用原位聚合法合成物理发泡微胶囊的基本原理和一般工艺。
2
The results show a certain time thermal cycle can cause the fracture mechanism change. It varies from original pure shear fracture to microvoid coalescence fracture gradually.