Results 21 to 30 of about 22,575 (161)

Flame Retardancy and Thermal Behavior of an Unsaturated Polyester Modified with Kaolinite–Urea Intercalation Complexes

Molecules, 2020
Organic modified kaolinite-urea intercalation complex (KUIC) was prepared using dimethyl sulfoxide (DMSO) as the precursor of kaolinite intercalation.
Lina Yue, Junfei Li, Xuan Zhou, Yingjuan Sun, Ming Gao, Taohua Zhu, Xiaoqian Zhang, Teng Feng, Zhanhong Shi, Yongchun Liu   +9 more
doaj   +1 more source

RepVGG-YOLOv7: A Modified YOLOv7 for Fire Smoke Detection

Fire, 2023
To further improve the detection of smoke and small target smoke in complex backgrounds, a novel smoke detection model called RepVGG-YOLOv7 is proposed in this paper.
Xin Chen, Yipeng Xue, Qingshan Hou, Yan Fu, Yaolin Zhu   +4 more
doaj   +1 more source

Visually activated sprinklers applied in atria to mitigate the interaction of water spray with the smoke layer

Case Studies in Thermal Engineering, 2023
This research investigates the fire suppression effectiveness of sprinklers in a large atrium of a public transport hub in Taipei, Taiwan, during a fire using FDS.
Chih Kuo Chiu, Yew Khoy Chuah, Yang-Cheng Shih   +2 more
doaj   +1 more source

"Research progress in flame retardancy and smoke suppression of silicone rubber foam"

Hecheng xiangjiao gongye
The flame retardancy and smoke suppression performance of silicone rubber foam (SiFs) greatly affected its promotion and application in the field of high performance materials.
KANG Fu-ru, TU Jia-yao, ZHAO Heng, ZHOU Ting-bin
doaj   +1 more source

Preparation of an organometallic complex based on phosphonitrile and its flame retardant application in epoxy resin

Journal of Materials Research and Technology, 2022
An organo-cobalt coordination complex (Co-H4APD), based on phosphonitrile-azacycles, was prepared by hydrothermal method. The flame retardancy, smoke suppression and thermal stability of epoxy (EP) composites were investigate by means of limited oxygen ...
Bo Xu, Simiao Wei, Yanting Liu, Siheng Zhao, Lijun Qian   +4 more
doaj   +1 more source

Hypophosphite/Graphitic Carbon Nitride Hybrids: Preparation and Flame-Retardant Application in Thermoplastic Polyurethane

Nanomaterials, 2017
A series of aluminum hypophosphite (AHPi)/graphite-like carbon nitride (g-C3N4) (designated as CAHPi) hybrids were prepared, followed by incorporation into thermoplastic polyurethane (TPU).
Yongqian Shi, Libi Fu, Xilei Chen, Jin Guo, Fuqiang Yang, Jingui Wang, Yuying Zheng, Yuan Hu   +7 more
doaj   +1 more source

Cone calorimeter analysis of fire behaviour, mass loss, and smoke suppression in PALF-reinforced epoxy composites with hybrid fire retardants

Polymer Testing
This study examined the fire behaviour and smoke-suppression performance of pineapple leaf fibre (PALF)-reinforced polymer composites (PRPC) containing hybrid and non-hybrid flame-retardant (FR) systems, addressing the limited understanding of how such ...
Nor Hazwani Mamat, Mohd Shukry Abdul Majid, Mohd Azaman Md Deros, Mohd Ridzuan Mohd Jamir, Ee Meng Cheng, Nadlene Razali, Sharul Sham Dol   +6 more
doaj   +1 more source

Hydrothermal Synthesis of Lanthanum-Doped MgAl-Layered Double Hydroxide/Graphene Oxide Hybrid and Its Application as Flame Retardant for Thermoplastic Polyurethane

Advances in Polymer Technology, 2020
A novel lanthanum-doped MgAl-layered double hydroxide/graphene oxide hybrid (La LDH/GO) with a La3+/Al3+ molar ratio of 0.05 was successfully synthesized by the hydrothermal method.
Yi Qian, Peng Qiao, Long Li, Haoyue Han, Haiming Zhang, Guozhang Chang   +5 more
doaj   +1 more source

LMDFS: A Lightweight Model for Detecting Forest Fire Smoke in UAV Images Based on YOLOv7

Remote Sensing, 2023
Forest fires pose significant hazards to ecological environments and economic society. The detection of forest fire smoke can provide crucial information for the suppression of early fires.
Gong Chen, Renxi Cheng, Xufeng Lin, Wanguo Jiao, Di Bai, Haifeng Lin   +5 more
doaj   +1 more source

Small-Scale Experimental Study on Smoke Blocking and Thermal Insulation Performance of Water Mist Sprinkler

Fire
To investigate the performance patterns of high-pressure water mist sprinklers with different flow coefficients in smoke containment and thermal insulation during fire suppression, this study conducted droplet size experiments and small-scale fire tests ...
Jianan Men, Qiang Liang, Hui Xu, Zhenyu Liu, Jielong Lv, Xiaopo Wang   +5 more
doaj   +1 more source