EVA foam material widely used what are the reasons?

along with our country in the aspect of plastic raw materials research and development of the rapid development of technology and the improvement of technology, there will be more and more EVA foam material is widely used in all walks of life, the use of EVA plastic raw materials will be more and more widely. So, Eva foam material widely used what are the reasons?

ethylene - EVA material is Vinyl acetate copolymer, general (vinyl acetate VA） Content at 5% ~ 40%. Compared with polyethylene, EVA due to the introduction of vinyl acetate monomer in the molecular chain, which reduces the high crystallinity, improve the flexibility, impact resistance, heat intermiscibility of filling and sealing performance, are widely used in foaming shoe materials, functional films, packaging film, hot melt adhesive, wire and cable and toys, and other fields. In general, EVA resin performance mainly depends on the molecular chain of vinyl acetate content. With the development of the footwear industry in China as well as an increase in the amount of functional films, China's demand for EVA soles, will also increase year by year.

than to improve the performance of PE, EVA sole mainly is elastic, flexible, gloss, air permeability, etc, in addition, the EVA sole, improved resistance to environmental stress cracking of packing by capacitive increases, can adopt the method of adding more reinforcing filler to avoid or reduce the EVA sole mechanical properties than PE. EVA soles can also be obtained by modified and new applications, the modification can be mainly considered from two aspects: one is the EVA sole as other monomer grafting backbone; 2 it is will be partial alcoholysis EVA sole.

than to improve the performance of PE, EVA sole mainly is elastic, flexible, gloss, air permeability, etc, in addition, the EVA sole, improved resistance to environmental stress cracking of packing by capacitive increases, can adopt the method of adding more reinforcing filler to avoid or reduce the EVA sole mechanical properties than PE. EVA soles can also be obtained by modified and new applications, the modification can be mainly considered from two aspects: one is the EVA sole as other monomer grafting backbone; 2 it is will be partial alcoholysis EVA sole.

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