Ageing mechanism of durability of various kinds of sealants was discussed in the light of their cross-linkingprocess, testing results of heat ageing and Xenon lamp weathering.
本文结合各类密封材料的交联反应过程和热老化、氙灯老化试验结果，对其耐久性的老化反应机理进行了探讨。
2
In the material with relatively low cross-linking density, extensive fracture process stripe is formed which is induced by the combined stress field near the rubber particles.
在交联密度较低的材料中，在橡胶颗粒附近叠加的应力场诱发下发生纵深度较大的断裂过程。
3
The manufacture process principles of heat-shrinking properties and application of polyethylene heat shrinking tape with chemical cross-linking are in this article.