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发表时间：2022-10-06

发表刊物：中国塑料

卷号：19

期号：5

页面范围：39-42

ISSN号：1001-9278

摘要：The effect of intumescent flame retardant (IFR) composed of ammonium
   polyphosphate (APP) and pentaerythritol (PER) on ABS was studied using
   thermal gravimetric analysts (TGA), scanning electron microscope (SEM),
   and limited oxygen index (LOI), etc. TGA analysis indicated that the
   amount of charred residue at 650 °C achieved 21.3 % , which in contrast
   with 1.9 % for ABS resins containing traditional halogen flame
   retardants. SEM observation revealed that puffy coking charred layers
   were formed by lots of closed bubbles in ABS specimen filled with IFR
   after burning. When content of IFR was 30 % , an LOI value of 27. 4 %
   for ABS was obtained.

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