Polymers and Polymer Composites

FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT

July 1, 2007 By: Liu M; Huang X; Liu Y; Wang Q Research article

Title: FLAME RETARDANT POLYETHYLENE WITH INTUMESCENT SYSTEM CONTAINING MACROMOLECULE-ENCAPSULATED LOW MOLECULAR WEIGHT CHARRING AGENT
Page Range: p.591-596
Author(s): Liu M; Huang X; Liu Y; Wang Q
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 15
Issue No: No.7

Abstract
The development of a composite intumescent flame retardant system for high density polyethylene based on a charring agent, pentaerythritol, encapsulated by thermoplastic polyurethane, is described. The synergistic effects of other common flame retardants including melamine phosphate, melamine polyphosphate and ammonium polyphosphate with the composite system were investigated by limiting oxygen index and vertical burning tests, TGA, water absorption and TEM, and the results are discussed in terms of optimisation of flame retardance effects. 23 refs.


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