Blocked Polyurethane/Tetrabromo Vinyl Ester Interpenetrating Polymer Networks: Thermal and Flame Retardant Properties

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Abstract:

The thermal and flame retardant properties have been studied in blocked polyurethane (BPU)/tetrabromo vinyl ester (BVE) full-interpenetrating polymer networks (full-IPNs) by simultaneous polymerization (SINs) method. The studies of thermal properties of IPNs are based on the heat deflection temperature (HDT) and vicat softening temperature (VST). Results show the HDT and VST of IPNs decreased with increasing BPU content. In the meantime, the HDT and VST of BPU/BVE IPNs with filler (kaolin) are better than that of without the filler. The studies of flame retardant properties of IPNs are based on limited oxygen index (LOI) and UL-94. The IPNs showed the excellent flame retardant properties when the IPNs decreased the BPU content.

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455-460

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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