Preparation Of Grafted Poe Elastomer Polyamide Modified Applied Research

The reactive technology is one of the most effective methods to improve compatibility of polymer and to enforce reaction between different domains. In this paper, a new grafting blending system, grafting modified polyolefin elastomer (POE), was applied to Nylon modified. It developed a new method for Nylon-6 chemically modified.The method for preparing reactive compatibilizers, POE-g-GMA, was studied. The effect of initiating agent, active monomer content and reacting time, et cetera, on the grafting ratio of geafting modification polyolefin elastomer (POE-g-MAH) was investigated. The rheological behaviour of POE-g-GMA on different prescription was explored with rheogeniometer. Conditions foe preparing the reactive compatibilizers with good results were disclosed.Through twin extruder, the efficiency of POE-g-GMA on different prescription to mechanical property of Nylon-6 was evaluated. The results demonstrate that geafting modification polyolefin elastomer (POE-g-MAH) can increase the impact intensity of PA6 markedly. The Izod was improved from 81.2J/m to 768J/m; enhanced 1.76 compared with nylon 6.The changes of microstructures in nylon-6 after mixing with reactive compatibilizers were overserved with scanning electronic microscope. The consequence is that with incorporating of reactive compatibilizers the reaction between different domains was enforced effectively.The influence of reactive compatibilizers on the crystallinity and nucleating of PA6 was examined with the use of differential scanning calorimetry (DSC). The results showed that POE-g-GMA have the effect in the increasing the crystallinity and the nucleating rate ofPA6.The glass transition temperature of PA6/POE-g-GMA was measured with DMA. It was indicated that with the addition of reactive compatibilizers the Tg of PA6 would decrease its value.