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| Effect of Interlayer Anions on Properties of Mg-Al Hydrotalcites as Flame Retardant Reagent |
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| DOI：10.11980/j.issn.0254-508X.2012.01.004 |
| Key Words:interlayer anion Mg-Al hydrotalcites flame retardant property |
| Fund Project:本课题得到山东省青年科学家科研奖励基金（BS2009NJ013)资助。 |
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| Abstract:Mg-Al hydrotalcites with different interlayer anions were synthesized by co-precipitation, and used in flame retardant paper as filler. The nature of hydrotalcites and flame-retardant paper were characterized using X-ray diffraction, TG-DTA technique, etc. It was found that different types of Mg-Al hydrotalcites were layered nanoparticles, with perfectly crystallized structure and high cationic charge density. The Mg-Al hydrotalcites have the best thermal stability and flame retardant property while the interlayer anions are Cl-/NO-3. The oxygen index of the flame retardant paper is 26.2% when the dosage of Mg/Al-Cl/NO3 LDH is 20%, and the paper belongs to the grade with difficulty to burn. |
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