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The Performance of Microencapsulated Ammonium Polyphosphate
  
DOI：10.11980/j.issn.0254-508X.2013.07.004
Key Words:melamine-formaldehyde resin  microcapsule  ammonium polyphosphate  flame retardant
Fund Project:本课题获得陕西省科技厅项目2012K08-22资助。
Author NameAffiliation
李运涛 陕西科技大学化学化工学院，轻化工化学与技术教育部重点实验室，陕西西安，710021 
陈　蕊* 陕西科技大学化学化工学院，轻化工化学与技术教育部重点实验室，陕西西安，710021 
王慧霞 陕西科技大学化学化工学院，轻化工化学与技术教育部重点实验室，陕西西安，710021 
马　骏 陕西科技大学化学化工学院，轻化工化学与技术教育部重点实验室，陕西西安，710021 
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Abstract:A microencapsulated flame retardant MFAPP with ammonium polyphosphate (APP)as the core and melamine-formaldehyde resin (MF)as the shell was prepared by in-situ polymerization.The chemical structure of MFAPP was characterized by Fourier Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscope (SEM) and X-ray photoelectron spectroscopy (XPS). The product had good water resistant property, its solubility was as low as 0.11 g/100 g when the encapsulato rate was above 20% and the temperature was 20℃. The flame resistance of the paper containing MFAPP was erabreated by Limited Oxygen Index (LOI) and UL 94 tests. The results showed that the paper had excellent flame resistance when the concentration of MFAPP in the pulp was 35% or it was used combined with pentaerythritol (PER).
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