نتایج جستجو برای: fire retardancy

تعداد نتایج: 43235  

Journal: :Polymers for Advanced Technologies 2021

A systematic series of flexible polyurethane foams (FPUF) with different concentrations flame retardants, bis([dimethoxyphosphoryl]methyl) phenyl phosphate (BDMPP), and melamine (MA) or expandable graphite (EG) was prepared. The mechanical properties the FPUFs were evaluated by a universal testing machine. pyrolysis behaviors evolved gas analysis done thermogravimetric (TGA) TGA coupled Fourier...

Journal: :SPE polymers 2022

The growing importance of electric mobility has led to an increased demand for safety technologies in the automotive sector, such as flame retardancy materials used vehicles. fire protection a fully equipped rechargeable energy storage system (REESS), including battery, housing, control electronics, etc., against fuel must be tested according UNECE Regulation No. 100 Annex 8E - Fire Resistance ...

Journal: :Fire 2023

Fire accidents occur frequently and pose a great threat to high-rise buildings with flammable construction materials. Recently, researchers have been doing significant work on this topic improve the flame retardancy of composites by adding inorganic metal hydroxide, such as magnesium hydroxide (MH), due its higher thermal decomposition temperature low toxicity. Research retardant polymer is rap...

Journal: :Applied sciences 2021

Graphene quantum dots are zero-dimensional nanoparticles that used widely in advanced composite materials such as filtration membranes, adsorbent materials, optical devices, biomedical applications (especially biosensors), flame retardancy, and automotive, aerospace, agricultural environmental applications. In this article, the mechanical properties (flexural strength, flexural strain elastic m...

Journal: :Bioresources 2022

In this study, the effect of wollastonite on mechanical, physical, and morphological properties composites made sesame stem (Sesamum indicum L.) gypsum was investigated. The mixing ratio as a lignocellulosic material with at three levels (10:90, 20:80, 30:70) (0%, 5%, 10%, based dry weight cement) were considered variables. Fire resistance (weight loss) tested according to ISO 11925-3 DIN EN 63...

Nickel hydroxide nanostructures were synthesized by a hydrothermal reaction. The effect of different precursors and surfactants on the morphology of nickel hydroxide nanostructures was investigated. Nanostructures were characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, scanning electron microscopy and Fourier transform infrared  spectroscopy. The influence of Ni(OH)2 nano...

2016
Chunlei Dong Alvianto Wirasaputra Qinqin Luo Shumei Liu Yanchao Yuan Jianqing Zhao Yi Fu

It is difficult to realize flame retardancy of epoxy without suffering much detriment in thermal stability. To solve the problem, a super-efficient phosphorus-nitrogen-containing reactive-type flame retardant, 10-(hydroxy(4-hydroxyphenyl)methyl)-5,10-dihydrophenophosphazinine-10-oxide (HB-DPPA) is synthesized and characterized. When it is used as a co-curing agent of 4,4'-methylenedianiline (DD...

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