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Polymer-Plastics Technology and Engineering Volume 53, 2014 - Issue 4
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Original Articles

Flame-retardant and Anti-dripping Properties of Intumescent Flame-retardant Polylactide with Different Synergists

Jing Zhan State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China
,
Lei Wang State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China; Suzhou Key Laboratory of Urban Public Safety, Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou, Jiangsu, P.R. China
,
Ningning Hong State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China
,
Weizhao Hu State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China
,
Jian Wang State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China
,
Lei Song State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China
&
Yuan Hu State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, P.R. China; Suzhou Key Laboratory of Urban Public Safety, Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou, Jiangsu, P.R. ChinaCorrespondence[email protected]
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Pages 387-394 | Published online: 14 Feb 2014
 
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Abstract

The flame-retardant and anti-dripping properties of biodegradable polylactide (PLA) materials during the combustion process were improved using intumescent flame-retardant (IFR) and different synergists. Organophilic montmorillonite (OMT), zinc borate (ZB), fumed silica (FS), tetraethoxysilane (TEOS) and polytetrafluoroethylene (PTFE) were chosen as the anti-dripping synergists for IFR in flame-retardant PLA. The flammability properties and thermal stability of PLA composites were investigated with UL-94, limiting oxygen index (LOI), thermogravimetric analysis (TGA), melt flow index (MFI), etc. It is found that OMT and ZB are the best anti-dripping synergists for IFR PLA. The anti-dripping mechanisms of all the additives are discussed.

Notes

Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/lpte.

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