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- Title
An efficient approach to improving fire retardancy and smoke suppression for intumescent flame‐retardant polypropylene composites via incorporating organo‐modified sepiolite.
- Authors
Juan, Sergio; Zhang, Junhao; Acuña, Pablo; Nie, Shibin; Liu, Zhiqi; Zhang, Wen; Luisa Puertas, María; Esteban‐Cubillo, Antonio; Santarén, Julio; Wang, De‐Yi
- Abstract
Summary: In this work, an efficient approach to improving the fire retardancy and smoke suppression for intumescent flame‐retardant polypropylene (PP) composites is developed via incorporating functionalized sepiolite (organo‐modified sepiolite [ONSep]). The PP composites with different amounts of intumescent flame retardants and ONSep were prepared by melt compounding. The morphology, thermal behavior, fire retardancy, smoke suppression, and mechanical property of flame‐retardant PP composites were studied. The results indicate an appropriate amount of ONSep in the flame‐retardant PP composites can increase thermal degradation temperature and char formation as well as a reduction of the peak heat release rate and total heat release; moreover, the addition of ONSep significantly decreases the CO production, total smoke production, smoke production rate, and smoke temperature. Simultaneously, the impact strength of intumescent flame‐retardant PP composite is also maintained by introducing an appropriate amount of ONSep as compared with that without ONSep.
- Subjects
FIREPROOFING agents; HEAT release rates; POLYPROPYLENE; SMOKE; IMPACT strength; MEERSCHAUM
- Publication
Fire & Materials, 2019, Vol 43, Issue 8, p961
- ISSN
0308-0501
- Publication type
Article
- DOI
10.1002/fam.2757