4.2 Article

Performance of halogen-free flame retardant EVA/MH/LDH composites with nano-LDHs and MH

Journal

CHINESE SCIENCE BULLETIN
Volume 56, Issue 35, Pages 3878-3883

Publisher

SCIENCE PRESS
DOI: 10.1007/s11434-011-4837-9

Keywords

layered double hydroxide; cone calorimeter; flame retardancy; EVA; synergistic effects

Funding

  1. Zhejiang Province Education Department [Y200908844]
  2. Schemes of Outstanding Young Teachers in Higher Education in Zhejiang Province

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The flammability properties of three series of Ethylene-Vinyl Acetate/Magnesium Hydroxide/Layered Double Hydroxide (EVA/MH/LDH) composites as well as the flame retardance effect between LDH and the conventional flame retardant additive MH are investigated. In addition to acting as an insulating barrier, LDH assists the dispersion of MH particles in the EVA matrix, and promotes the formation of the char residues because of its abundant interlayer hydroxyl groups. Composites containing LDH show good flame retardancy in Cone and LOI testings. This means that the combustion properties of the composites have decreased, which may lessen the fire hazard when this materials are used.

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