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July 8, 2026Journal of Polymer Science

Regulation of Thermal Degradation and Char Evolution of Polypropylene by Core–Shell MF@β‐CD and Amino‐Modified Attapulgite

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Authors

JGJiangtao GuoChangzhou UniversityHOHongxiang OuChangzhou UniversityWZWenqian ZhouChangzhou University

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Overview

Randomized trial investigates flame retardant effects on polypropylene to improve fire safety and thermal stability.

Key Points

  • This work aims to enhance the fire safety and thermal stability of polypropylene composites using core-shell flame retardants.
  • Fabrication of MF@β‐CD by coating β‐CD with melamine‐formaldehyde resin through in situ polymerization.
  • Preparation of amino-functionalized attapulgite (ATP‐NH2) via silane modification.
  • Formation of flame-retardant PP composites by melt blending MF@β‐CD and ATP‐NH2 with piperazine pyrophosphate (PAPP).
  • The PP composite with MF@β‐CD/ATP‐NH2 achieved a limiting oxygen index (LOI) of 33.8% and a UL-94 V-0 rating.
  • Peak heat release rate decreased by 91.9% and total smoke production decreased by 87.7% compared to neat PP.
  • Thermal analysis indicated enhanced formation of a stable char layer during combustion.

Cite This Study

Guo et al. (2026) studied this question.

synapsesocial.com/papers/6a4de804d2ea289ef6282f23https://doi.org/10.1002/pola.70260
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