作者：Didane, Nizar, Stéphane Giraud, Eric Devaux, et Guillaume Lemort

发表： Polymer Degradation and Stability 97, no 3 (mars 2012): 383 391. doi:10.1016/j.polymdegradstab.2011.12.004 

 

 

This paper deals with the fire behaviour of poly (ethylene terephthalate) (PET) filled with Exolit OP950, a zinc phosphinate fire retardant, and three polyhedral oligomeric silsesquioxanes (POSS) having different chemical structures. Regardless of the POSS type, intumescence occurs during combustion, but the insulation properties of the chars produced are different. Best reductions on total heat evolved (THE) and on cumulative CO2 with no increase in CO emissions are observed when dodecaphenyl POSS is used. This may be related to its thermal degradation pathway, releasing via this process volatile organic species contributing on intumescence and producing an effective protective layer having a foliated structure. 

 

 

PET;

POSS 倍半硅氧烷;

Fire retardancy 阻燃性;

Synergism 协效作用;

 Intumescence 膨胀