Journal of Fire Sciences最新文献_第10页

Recent developments in s-triazine holding phosphorus and nitrogen flame-retardant materials 含磷含氮s-三嗪阻燃材料的研究进展

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-09-03 DOI: 10.1177/0734904120952347

N. Mishra, D. Vasava

引用次数: 19

Fire risk assessment of cypress wood coated with metal oxide and metal silicate flame retardant using cone calorimeter 用锥形量热计评估涂有金属氧化物和金属硅酸盐阻燃剂的柏木的火灾风险

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-08-28 DOI: 10.1177/0734904120948215

Eui Jin, Yeong-Jin Chung

{"title":"Fire risk assessment of cypress wood coated with metal oxide and metal silicate flame retardant using cone calorimeter","authors":"Eui Jin, Yeong-Jin Chung","doi":"10.1177/0734904120948215","DOIUrl":"https://doi.org/10.1177/0734904120948215","url":null,"abstract":"This study investigated the fire risk properties of cypress wood for the construction of interiors, especially focusing on heat and smoke hazard properties in fire scenarios. Fire risk characteristics were measured using a cone calorimeter (ISO 5660-1). The external heat flux was maintained at 50 kW/m2. The flame retardants used were metal oxide and metal silicate; they were mixed with a water glass solution. Flame retardants and the silicon compound were dispersed in a concentration of 20 wt% versus 80 wt%, respectively, during 24 h using a magnetic stirrer. The fire performance indexes of the specimens increased by 3–16 times, compared with uncoated specimen and the fire growth index of the specimens increased by 70%–92%. The smoke performance index of the specimens increased by 9–66 times, compared with uncoated specimens. The smoke risk as shown by the smoke performance index increased in the following order: SnO < mica < Co3O4 < ZrSiO4 < cypress. The smoke growth index decreased from 93% to 98%, compared with uncoated wood. The smoke risk due to smoke growth index increased in the following order: SnO < mica < ZrSiO4≈ Co3O4 < cypress. The smoke intensity decreased from a minimum of 85% to a maximum of 99%, compared with uncoated wood. The concentration of CO gas generated after combustion was decreased by 24%–67%. They increased in the following order: mica ≈ ZrSiO4 < SnO < Co3O4 < cypress. A comprehensive assessment of fire performance shows that flame retardants decreased heat hazards, smoke hazards, and CO toxicity.","PeriodicalId":15772,"journal":{"name":"Journal of Fire Sciences","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1177/0734904120948215","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41942513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

Preparation of spherical cobalt hydroxystannate and its flame retardant and smoke suppressant effect in poly(vinyl chloride) 球形羟基锡酸钴的制备及其在聚氯乙烯中的阻燃抑烟效果

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-08-18 DOI: 10.1177/0734904120947324

Fuya Liu, Zewei Wen, Ning Zhang, He Zhao, Weidong Hu, Jianzhong Xu, Y. Jiao

{"title":"Preparation of spherical cobalt hydroxystannate and its flame retardant and smoke suppressant effect in poly(vinyl chloride)","authors":"Fuya Liu, Zewei Wen, Ning Zhang, He Zhao, Weidong Hu, Jianzhong Xu, Y. Jiao","doi":"10.1177/0734904120947324","DOIUrl":"https://doi.org/10.1177/0734904120947324","url":null,"abstract":"Spherical cobalt hydroxystannate was prepared and characterized by X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy, and thermogravimetric analyzer–Fourier-transform infrared spectroscopy. Results showed that cobalt hydroxystannate spheres have an average particle size of 440 nm and disperse uniformly. The flame-retardant flexible poly(vinyl chloride) treated with cobalt hydroxystannate was studied by the limiting oxygen index, universal tensile testing machine, thermogravimetric analyzer–Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, and laser Raman spectra methods. Compared with the pure poly(vinyl chloride), the limiting oxygen index value of the poly(vinyl chloride) sample (PVC/10) treated with 10 phr of cobalt hydroxystannate is increased by 4% points, and its total heat release and total smoke production decreased by 18% and 50%, respectively. The result could be attributed to the water produced by the dehydration of cobalt hydroxystannate, and the interaction of cobalt hydroxystannate and the poly(vinyl chloride) matrix, which produces dense and highly graphitized char residue containing hexagonal phase graphite, CoCl2, Co2O3, and Co3O4.","PeriodicalId":15772,"journal":{"name":"Journal of Fire Sciences","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1177/0734904120947324","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47960011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Characterization of polyvinyl chloride–based floor covering thermal decomposition parameters in a cone calorimeter 锥形量热计中聚氯乙烯基地板覆盖物热分解参数的表征

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-08-03 DOI: 10.1177/0734904120944340

J. Luche, T. Rogaume, É. Guillaume

引用次数: 1

Flame-retardant behaviors of aluminum phosphates coated sepiolite in epoxy resin 环氧树脂中磷酸铝包覆海泡石的阻燃性能

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-07-27 DOI: 10.1177/0734904120934085

Wei Yan, P. Xie, Zhengwei Yang, G. Luo, Weijiang Huang, Qin Tian, Chun I. Tu, Chunmei Zhang, Chunlin Yang, Kui Wang

引用次数: 10

Fire performance properties of commonly used South African hardwood 常用南非硬木的防火性能特性

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-07-15 DOI: 10.1177/0734904120930342

Tebogo Maake, J. Asante, B. Mwakikunga

{"title":"Fire performance properties of commonly used South African hardwood","authors":"Tebogo Maake, J. Asante, B. Mwakikunga","doi":"10.1177/0734904120930342","DOIUrl":"https://doi.org/10.1177/0734904120930342","url":null,"abstract":"The effect of fire or heat and the associated fire hazards of South African hardwoods had been minimally researched. Quantitative investigations on fire performances of selected and common South African hardwood species that include Leadwood (Combretum imberbe), Mopani (Colophospermum mopane), Tamboti (Spirostachys Africana), Stinkwood (ocotea bullata), and Real Yellowwood (Podocarpus latifolius) were undertaken using the cone calorimeter and the thermal gravimetric analysis instrument. The results indicated that Leadwood has the superior thermal performance. It has the lowest peak heat release rate (first peak at 156 kW/m2) at external heat irradiation flux of 75 kW/m2, highest thermal response parameter (376.2 kW s1/2/m2), highest thermal inertial (11.5 kW2 s/K2 m4), highest q · ″ cr = 15 kW / m 2 , lowest fire growth index (derived from first heat release rate peak at 3120 W/s) and lowest smoke growth index (derived from first smoke production rate peaks at 0.760 m2/s2), and lowest smoke release (toxicity) 446.5 kg/kg. Bad thermal performance wood species are Mopani and Real Yellowwood. Stinkwood on the other hand has the best thermal stability from activation energy measurements.","PeriodicalId":15772,"journal":{"name":"Journal of Fire Sciences","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1177/0734904120930342","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44122536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Modelling the thermal radiation from kitchen hob fires 厨房灶台火灾的热辐射建模

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-06-19 DOI: 10.1177/0734904120923566

M. Spearpoint, C. Hopkin, D. Hopkin

引用次数: 7

Combustion behavior and fire security of storage grains before and after mildew 霉变前后储粮的燃烧特性及防火安全性

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-06-19 DOI: 10.1177/0734904120927314

Jingwen Wang, Heng Yu, Weijian Chen, Wei Cai, Liang Cheng, Junling Wang, Xin Jin, Lei Song, X. Mu, Yuan Hu

引用次数: 6

Heat blockage of air gap for inner overheating of high-voltage power cable and delay of early detection 高压电力电缆内部过热气隙热堵塞，延迟早期发现

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-06-07 DOI: 10.1177/0734904120920818

Q. Xie, Hong Chen, Yanhua Yuan

引用次数: 1

Effects of sulfonated carbon on the catalytic carbonization and smoke suppression of sawdust board 磺化炭对木屑板催化炭化抑烟性能的影响

IF 1.9 4区工程技术

Journal of Fire Sciences Pub Date : 2020-05-05 DOI: 10.1177/0734904120915153

Yuanbo Wu, Liandong Tang, L. Yuan, Yunchu Hu, Hao Wang, G. Yuan

{"title":"Effects of sulfonated carbon on the catalytic carbonization and smoke suppression of sawdust board","authors":"Yuanbo Wu, Liandong Tang, L. Yuan, Yunchu Hu, Hao Wang, G. Yuan","doi":"10.1177/0734904120915153","DOIUrl":"https://doi.org/10.1177/0734904120915153","url":null,"abstract":"In this study, sulfonated carbon was obtained by sulfonating pine carbon with fuming sulfuric acid. Characterized by elemental analyzer, fourier transform infrared spectroscopy and X-ray photoelectron spectrometry, it showed that –SO3H was successfully bonded onto the pine carbon’ skeleton in the sulfonation reaction. The effects of pine carbon and sulfonated carbon on the catalytic carbonization and smoke suppression of sawdust boards, and its flame-retardant mechanism were investigated by cone calorimetry, thermogravimetric analysis, scanning electron microscopy, and pyrolysis–gas chromatography–mass spectrometry. And the results demonstrated that sawdust boards containing sulfonated carbon showed superior performance, determined by comparing the peak heat release rate, total heat release, smoke release rate, and total smoke product. Furthermore, with the addition of sulfonated carbon, a carbon layer was formed with a strong oxygen-containing hybrid structure and carbohydrate structure, the pyrolysis of sawdust boards was inhibited, and its char yield was increased.","PeriodicalId":15772,"journal":{"name":"Journal of Fire Sciences","volume":null,"pages":null},"PeriodicalIF":1.9,"publicationDate":"2020-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1177/0734904120915153","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45924799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0