废胶粉/塑料热塑性弹性体反应加工新技术及机理研究

By using reactive processing methods, waster rubber powder (WRP) was introduced successfully into most of genral purpose plastics, such as PE, PP, PS, PVC, EVA, and POE, to prepare thermoplatic elastermers(TPE). The results showed that these reactive processing methods could be widely used in making TPE. Especially for PP, We prepared WRP wrapped with macromolecular compatilizer/PP, WRP in-sit grafted by MAH-HMD/MPP/PP and dynamic grafted by MAH and styrene/PP TPE. By using predigested models we illustrated the relationship between stress transferring modes in WRP/plastic TPE and interfaces of composite structure, viscoelasticity and other mechanic properties of plastic and WRP. On the base of various WRP/plastic TPE prepared, the relationship of structures and properties were investigated from different angles. TEM showed that the particles of WRP became fine considerably through reactive processing, whose least size is 1-20μm at single dimension. This find is significant to the theories of preparation and the setting up of some correlational models of WRP/plastic TPE.

以双螺杆挤出技术，利用废胶粉表面改性，采用反应性相容剂代替硫磺硫化体系，通过反应加工技术，制备综合性能优良、成本低廉的废胶粉/塑料热塑性弹性体。研究其独特的反应庸せ砗陀纱说贾碌男掠钡摹⒍嗖愦蔚慕缑娼峁梗唤疾炱浣缑嬗αΥ菽Ｊ剑⑵浣峁?--性能关系。为充分利用废旧资源、开发新型廉价材料开辟一条新途径。...........