研究學(xué)術(shù)成果
解決方案
學(xué)術(shù)研究：用于PET阻燃性的以倍半硅氧烷作為增效劑和眼磷酸鋅的對比研究
用于PET阻燃性的以倍半硅氧烷作為增效劑和亞磷酸鋅的對比研究
A comparative study of POSS as synergists with zinc phosphinates for PET fire retardancy
用于PET阻燃性的以倍半硅氧烷作為增效劑和亞磷酸鋅的對比研究
作者：Didane, Nizar, Stéphane Giraud, Eric Devaux, et Guillaume Lemort
發(fā)表： Polymer Degradation and Stability 97, no 3 (mars 2012): 383 391. doi:10.1016/j.polymdegradstab.2011.12.004
Abstract/摘要：
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.
Keywords/關(guān)鍵詞：
PET;
POSS 倍半硅氧烷;
Fire retardancy 阻燃性;
Synergism 協(xié)效作用;
Intumescence 膨脹
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