Journal
POLYMER
Volume 47, Issue 19, Pages 6874-6879Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2006.07.038
Keywords
clay; flame retardancy; silicone
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A novel flame retardant, silicone elastomeric nanoparticle (S-ENP) with T-g of -120 degrees C and particle size of similar to 100 nm has been developed and used as a modifier for polyamide 6 (nylon-6). It has been found that S-ENP can not only increase the toughness and improve the flame retardancy of nylon-6 but also helps unmodified clay exfoliate in nylon-6 matrix. It has been also found that the S-ENP and exfoliated clay platelet in nylon-6 have a synergistic flame retardant effect on nylon-6. A novel flame retardant nanocomposite of nylon-6/unmodified clay/S-ENP with high toughness, high heat resistance, high stiffness and good flowability has been prepared and a mechanism of synergistic flame retardancy has also been proposed. (c) 2006 Elsevier Ltd. All rights reserved.
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