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http://dx.doi.org/10.7317/pk.2013.37.6.770

Rubber Compounds with High Gas Barrier Property by Mixing Nylon 6 to Maleic Anhydride Grafted ENR 50  

Lim, Jong Hyuk (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Cho, Ur Ryong (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Publication Information
Polymer(Korea) / v.37, no.6, 2013 , pp. 770-776 More about this Journal
Abstract
The ENR 50 having the lowest gas permeability was blended with Nylon 6 which exhibits superior gas permeability, excellent wear resistance by using a twin-screw extruder. The blended materials showed the increased gas barrier property and physical properties, but did not yield a great synergistic effect due to low dispersion of Nylon 6 to ENR 50. To improve dispersion of Nylon 6 in the rubber matrix, maleic anhydride (MAH) was grafted to ENR 50. The grafting reaction between MAH and ENR 50 was evidenced using IR spectroscopy. The grafted and blended materials, ENR 50- g-MAH/Nylon 6 compounds, resulted in an enhanced gas barrier property and physical properties compared with compounds without MAH. The compound at 5 phr of MAH showed the highest crosslinking density and the best performances.
Keywords
ENR 50; Nylon 6; maleic anhydride; graft; gas barrier property;
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