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Citation: HUANG Bao-Sheng, LI Feng, ZHANG Hui, JIAO Qing-Ze, DUAN Xue, HAO Jian-Wei. Flame Retarding Property of a Nano-scale Layered Double Hydroxides for PVC[J]. Chinese Journal of Applied Chemistry, ;2002, 19(1): 71-75. shu

Flame Retarding Property of a Nano-scale Layered Double Hydroxides for PVC

1.
a Education Ministry Key Laboratory of Science and Technology for Controllable Chemical Reaction, Beijing University of Chemical Technology, Beijing 100029;
2.
b National Laboratory of Flame Retarding Materials, Beijing Institute of Technology, Beijing

Corresponding author: DUAN Xue,
Received Date: 23 April 2001
Available Online: 12 September 2001

The structure of nano-scale layered double hydroxides MgAl-CO₃-LDH and its flame retarding properties for PVC have been studied. LDH has been characterized by X-ray powder diffraction, scanning electronic micrograph observations and thermal analysis. The particle size of LDH was 50~100 nm. LDH-PVC composite has been characterized by electronic micrograph and the modified-LDH was found fairly distributed in PVC. The LDH showed flame retarding effect for PVC and appeared a favorable smoke suppressant. The smoke generation rate and the maximum density of smoke of LDH-PVC composite decreased by 40% with 20~40 phr LDH in comparison with unique PVC.
- nano-scale,
- layered double hydroxide,
- flame retardant
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