Polymers and Polymer Composites

THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66

June 1, 2010 By: Liu Y; Wang Q Research article

Title: THE INVESTIGATION OF MELAMINE CYANURATE-ENCAPSULATING MAGNESIUM HYDROXIDE FLAME RETARDED POLYAMIDE-66
Page Range: p.315-320
Author(s): Liu Y; Wang Q
File size: 192K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 18
Issue No: No.6

Abstract
Inorganic flame retardant, magnesium hydroxide (MH), was surface-modified through in-situ encapsulation of an organic nitrogen flame retardant, melamine cyanurate (MCA) by making use of the self-thickening effects during melamine-cyanurate self-assembly process. The obtained MH encapsulated by MCA (MCA-MH) was applied for the flame retardance of polyamide-66 (PA66). As compared to MH modified by silane coupling agent (MH-SC), MH-MCA had much better compatibility and dispersion in PA66 matrix due to replacing MH-PA66 interface by MCA-PA66, As a result, MCA-MH flame retarded PA66 showed obviously enhanced the flame retardancy and mechanical properties. Additionally, the relationship between the MCA/MH ratio and the flame retardancy, as well as the mechanical properties was investigated, and the corresponding synergistic effects between MCA and MH were researched. 10 Refs.


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