The basic mechanisms of flame retardants vary depending on the specific flame retardant and the substrate. Additive and reactive flame-retardant chemicals can both function in the vapor (gaseous) or condensed (solid) phase. Some compounds break down endothermically when subjected to high temperatures.
The impact of FR (flame retardant) materials on the survivability of the building occupants was assessed in two ways: First, comparing the time until a domestic space is not fit for occupation in the burning room, known as "untenability"; this is applicable to the occupants of the burning room.
Brominated flame retardants may also change the physical properties of plastics, resulting in inferior performance in recycled products and in “downcycling” of the materials. It appears that plastics with brominated flame retardants are mingling with flame-retardant-free plastics in the recycling stream and such downcycling is taking place.
Don't get burned: By utilizing the active P−H bond of a flame retardant, an organic gel electrolyte is fabricated. The ion transport mechanism in the electrolyte is proposed. The electrolyte has good low-temperature tolerance, mechanical properties, and flame retardancy.
Pursuant with the Toxic Substances Control Act of 1976, the Environmental Protection Agency is also actively evaluating the safety of various flame retardants, including chlorinated phosphate esters, tetrabromobisphenol A, cyclic aliphatic bromides, and brominated phthalates.
A large group of the studied flame retardants were found to have a good environmental and health profile: ammonium polyphosphate (APP), aluminium diethyl phosphinate (Alpi), aluminium hydroxide (ATH), magnesium hydroxide (MDH), melamine polyphosphate (MPP), dihydrooxaphosphaphenanthrene (DOPO), zinc stannate (ZS) and zinc hydroxstannate (ZHS).
How and Why Flame Retardants Are Used in Electronics
Flame retardants are used to prevent ignition of flammable materials. Not all flame retardants are the same. They are a diverse set of chemicals that vary by functionality and application. They all help to inhibit or suppress fire ignition — no ignition, no fire.
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Novel approach towards the synthesis of highly efficient flame ...
We have developed a facile one pot process to synthesize an ultra-light functionalized spongy graphene (FSG). This is the first approach to use carbon based flame …
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Flame‐Retardant, Highly Conductive, and …
Traditional liquid electrolytes are volatile, flammable, and easy to leak, which makes the energy storage device easy to burn and explode in the case of overcharge and …
Learn More
Flame‐Retardant, Highly Conductive, and Low‐Temperature‐Resistant …
Here, by utilizing the active P−H bond of a flame retardant (DOPO) to graft onto the polymer chain, flame‐retardant organic gel electrolytes were fabricated to address these issues. The gel...
Learn More
How and Why Flame Retardants Are Used in Electronics
Flame retardants are used to prevent ignition of flammable materials. Not all flame retardants are the same. They are a diverse set of chemicals that vary by functionality and application. They …
Learn More
Developing a flame-retardant flexible composite phase change material …
The flame-retardant flexible CPCM not only exhibited the highest flame-retardant rating of V-0, a significant latent heat capacity and good thermal reliability, but also demonstrated improved thermal conductivity and enhanced mechanical properties in tensile strength, bending, and compression as compared with the uncoated counterpart. The flame ...
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Developing a flame-retardant flexible composite phase change …
The flame-retardant flexible CPCM not only exhibited the highest flame-retardant rating of V-0, a significant latent heat capacity and good thermal reliability, but also …
Learn More
Fabrication and Characterization of Flame Retardant ...
To qualify as effective flame retardants, certain characteristics must be exhibited, these include the capacity for endothermic decomposition to absorb heat and release inert substances, the …
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Development of flame-retardant ion-gel electrolytes for safe and ...
Thus, we developed an easy-to-prepare ion-gel supercapacitor with strong flame-retardant properties, thermal stability, flexibility, and good electrochemical characteristics. …
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Flame retardant
Flame retardants are a diverse group of chemicals that are added to manufactured materials, such as plastics and textiles, and surface finishes and coatings. [1] . Flame retardants are activated by the presence of an ignition source and prevent or slow the further development of flames by a variety of different physical and chemical mechanisms.
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Flame retardant
Flame retardants are a diverse group of chemicals that are added to manufactured materials, such as plastics and textiles, and surface finishes and coatings. [1] . Flame retardants are …
Learn More
Flame‐Retardant, Highly Conductive, and …
Here, by utilizing the active P−H bond of a flame retardant (DOPO) to graft onto the polymer chain, flame‐retardant organic gel electrolytes were fabricated to address these …
Learn More
Fabrication and Characterization of Flame Retardant ...
To qualify as effective flame retardants, certain characteristics must be exhibited, these include the capacity for endothermic decomposition to absorb heat and release inert substances, the ability to scavenge free radicals and suppress chemical combustion, the promotion of heightened heat or mass flux to shield materials, reduction of mass tra...
Learn More
Development of flame-retardant ion-gel electrolytes for safe and ...
Thus, we developed an easy-to-prepare ion-gel supercapacitor with strong flame-retardant properties, thermal stability, flexibility, and good electrochemical characteristics. Specifically, this ion-gel supercapacitor provides excellent performance by using the in situ cross-linking of ion-gel electrolytes on electrodes. The ...
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Flame-retardant textile based triboelectric nanogenerators for …
Once equipped with a rectifier, the TENG is adept at illuminating 300 LEDs, charging diverse capacitors, and powering electronic devices like watches and calculators. Additionally, the TENG excels in capturing biomechanical energy derived from actions such as finger taps and cuff movements.
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Novel approach towards the synthesis of highly efficient flame ...
We have developed a facile one pot process to synthesize an ultra-light functionalized spongy graphene (FSG). This is the first approach to use carbon based flame retardant spongy material as an electrode to build completely flame retardant supercapacitor (FRS) also as an oil/organic solvent absorber. The fully FRS concept has ...
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Flame‐Retardant, Highly Conductive, and Low‐Temperature‐Resistant …
Traditional liquid electrolytes are volatile, flammable, and easy to leak, which makes the energy storage device easy to burn and explode in the case of overcharge and short circuit. Here, by utilizing the active P−H bond of a flame retardant (DOPO) to graft onto the polymer chain, flame-retardant organic gel electrolytes were ...
Learn More
Resin-Encased, Metallized, Humidity-Resistant Film Capacitor
In this paper, we examine how to make resin-encased film capacitors flame-retardant while also extending their service life. To evaluate these properties, we performed a high-temperature and high-humidity bias test (THB test) at 85°C and 85% RH. This test is an accelerated test that allows us to estimate the actual service life.
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Flame-retardant textile based triboelectric nanogenerators for …
Once equipped with a rectifier, the TENG is adept at illuminating 300 LEDs, charging diverse capacitors, and powering electronic devices like watches and calculators. …
Learn More
Resin-Encased, Metallized, Humidity-Resistant Film Capacitor
In this paper, we examine how to make resin-encased film capacitors flame-retardant while also extending their service life. To evaluate these properties, we performed a high-temperature and high-humidity bias test (THB test) at 85°C and 85% RH. This test is an accelerated test that …
Learn More
