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Advances in modification of flame retardant PP composites

Effects of additives on modification of flame retardant PP

1. Add a polymer/Montmorillonite nano-materials using MMT and polypropylene combined, so as to change physical properties of polypropylene, pp can probably play the result. PP/MMT preparation of Nano-composite material is PP inserted into MMT, destroy the layers of MMT layout, so that they take the thickness of nano-sheet evacuation in PP, between Nano-composite [4]. Resolution added PP-g-MA or modification of MMT, further growth of Interfacial interaction between the two, so as to make the combat strength of the composite material, tensile properties, material hardness of a considerable improvement of mechanical properties than the pure PP, PP flame retardant result is greatly improved. And PP density is relatively small, this nano-composite materials for a better alternative to other materials provide a better choice. Su Jiying, [5] introduced in the preparation of halogen-free flame retardant PP, modified by montmorillonite and other tests on polypropylene flame-resistant results, summarized the pure flame retardant PP PP and some properties to compare. Resolved to implement introduction of data analysis, MMT's participation can be made flame retardant PP results reached the level of V-0,

Yang m zh [6] study on flame retardant PP modified Montmorillonite to seek the implementation of PP in the limiting oxygen index test, flame retardant PP modified by adding flame retardants can result. Montmorillonite invention when results of flame retardant on PP, PP flame retardant properties of Montmorillonite has significantly improved, but compared to amount of Montmorillonite in the implementation of inventions, Montmorillonite content should be controlled at about 1%.