Facilely produced highly adhered, low thermal conductivity and non-combustible coatings for fire safety
Journal of Colloid and Interface Science, ISSN: 0021-9797, Vol: 604, Page: 378-389
2021
- 21Citations
- 10Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Fire resistant coatings have been proven as an efficient way to improve fire safety in three aspects: reducing the Heat Release Rate (HRR), delaying the ignition time and preventing heat transfer. Herein, a SiO 2 based polymeric composite coating with a lower thermal conductivity and brilliant fire resistance was developed. Isocyanate and sodium silicate could form the final Si-O-Si network structure by polymerization. Compared to the wood without coating, the coated wood shows a significantly increase in limit oxygen index (LOI), has reached 48.0 vol% in the test. As for the cone calorimetry test, coated wood shows a 55.3% decrease in the first peak Heat Release Rate (pHRR) and the Total Heat Release (THR) obtains fire-resistant standard. After exposed to butane flame for 30 mins, the coated wood could still maintain its structural integrity with only 180℃ on the non-exposed side. The commercial standard test of the coating was also investigated. To better understand what role does the polyurea play in the system, a theoretical calculation was done during the research to discuss the interaction between the silica and polyurea. As a fast brush-formed coating, it exhibits a great potential in the field of fire-resistant materials, and may broaden the application prospects of wood.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0021979721010067; http://dx.doi.org/10.1016/j.jcis.2021.06.135; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85109584110&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/34265692; https://linkinghub.elsevier.com/retrieve/pii/S0021979721010067; https://dx.doi.org/10.1016/j.jcis.2021.06.135
Elsevier BV
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