Synergistic Boron-Modified Flame Retardant for Enhanced Char Formation in Polypropylene Fibers

Product Description

Product Overview

Flame retardants are functional additives designed to inhibit or delay material combustion, enhancing fire safety in plastics, textiles, coatings, electronics, and construction materials. Key characteristics include high efficiency, low smoke/toxic emission, heat resistance, and environmental compatibility. They operate through mechanisms such as heat absorption, chemical interruption of combustion chains, or formation of heat-insulating char layers. Main categories include halogen-free variants (e.g., phosphorus-based, inorganic hydroxides), intumescent types (expanding under heat to block oxygen), and bio-based alternatives (derived from renewable resources), ensuring material compatibility and eco-friendliness. Applications span preventing short-circuit fires in electronics, reducing flame spread in automotive interiors, and improving fire resistance in buildings. Advanced products offer additional features like anti-dripping, hydrophobicity, or UV resistance for complex scenarios. With tightening environmental regulations, low-VOC, heavy-metal-free, and biodegradable flame retardants have become focal points in R&D, balancing safety with sustainability. 

Characteristic

Comparison Table of Flame Retardant Chemical Properties

Type	Mechanism of Action	Key Components	Chemical Properties	Typical Decomposition Temp. (°C)	Notes
Phosphorus-based	Promotes char formation to isolate oxygen and heat; captures free radicals in gas phase	Phosphates, red phosphorus, ammonium polyphosphate (APP)	Endothermic decomposition produces phosphoric/polyphosphoric acids, catalyzes carbonization; some N-P synergistic systems enhance efficiency	200-300	Low smoke, halogen-free, but may reduce material strength
Halogen-based	Releases halogen radicals (Cl/Br) to interrupt combustion chain reactions	Decabromodiphenyl ether (DBDPO), tetrabromobisphenol A (TBBPA)	High temperature releases HX (HBr/HCl) to suppress flames; efficient but may produce toxic gases and corrosive substances	200-400	Being phased out by halogen-free alternatives; restricted in EU
Inorganic	Endothermic decomposition releases H2O/CO2 to dilute flammable gases; residual oxides provide heat insulation	Aluminum hydroxide (ATH), magnesium hydroxide (MDH)	High loading required (50-60%); ATH decomposes at 200°C, MDH has higher heat resistance (>300°C)	ATH: 180-200 MDH: 300-330	Eco-friendly, low cost, but affects material processability
Nitrogen-based	Decomposes to produce inert gases (NH3, N2) to dilute oxygen; synergizes with phosphorus to enhance char stability	Melamine, melamine cyanurate (MCA)	Endothermic sublimation reduces surface temperature; combines with phosphorus to form intumescent char	300-350	Low toxicity, but low efficiency when used alone
Silicon-based	Forms Si-O-Si protective layer for heat insulation; promotes surface ceramification	Silicone compounds, nano-silica	Forms stable silicate layer at high temperatures; improves heat resistance and mechanical properties	400-600	High temperature resistance, low smoke, but higher cost
Intumescent	Synergistic acid source + carbon source + gas source to form porous char layer	APP (acid) + pentaerythrit0l (carbon) + melamine (gas)	Multi-component reaction creates foaming expansion (10-100x volume increase) for physical flame barrier	250-350	High efficiency, low smoke, but requires precise formulation
Bio-based	Natural polymers (e.g., lignin, chitosan) carbonize or graft flame retardant groups	Phytic acid, starch derivatives, lignosulfonates	Renewable materials with hydroxyl/phosphate groups for char formation; requires modification for better thermal stability	150-250	High eco-potential but needs thermal stability improvement

 

Uses

1. Electronics & Electrical Appliances

Products: Circuit boards, wires & cables, electronic housings, batteries, chargers, etc.
Role of Flame Retardants:

·Prevent fires caused by short circuits or overheating (e.g., thermal runaway protection in lithium-ion batteries).

·Reduce toxic gas emissions during combustion (halogen-based retardants are being phased out for eco-friendly alternatives).

·Improve flame resistance of plastic housings (e.g., ABS, PC) to meet UL94, IEC, and other standards.

2. Construction & Building Materials

Products: Insulation materials, fireproof coatings, drywall, steel structure fireproofing, electrical conduits, etc.
Role of Flame Retardants:

·Prevent fire spread in insulation materials like polystyrene (EPS) and polyurethane (PU) foam.

·Extend fire resistance time; e.g., intumescent coatings expand under heat to form insulating layers.

·Reduce smoke and toxic gas emissions during fires, improving evacuation safety.

3. Transportation (Automotive, Aerospace, Marine)

Products: Automotive interiors (seats, dashboards), aircraft cabin materials, ship insulation/soundproofing, etc.
Role of Flame Retardants:

·Slow combustion of vehicle/aircraft interior materials (e.g., flame-retardant polypropylene for car interiors).

·Comply with strict standards like FAA FAR 25.853 (aviation) and IMO FTP Code (marine).

·Lower smoke toxicity during fires to enhance passenger survival rates.

4. Textiles & Household Goods

Products: Fire-resistant curtains, carpets, upholstery foam, protective clothing, etc.
Role of Flame Retardants:

·Provide self-extinguishing properties to cotton, polyester, etc. (e.g., children's sleepwear must meet CPSC 16 CFR 1610).

·Prevent rapid ignition of furniture foam (e.g., PU), reducing residential fire risks.

·Enhance heat resistance in industrial protective gear (firefighter suits, welding apparel).

5. Energy & Power Industry

Products: Solar panel backsheets, wind turbine blades, transformer insulation, energy storage systems, etc.
Role of Flame Retardants:

·Improve fire resistance of photovoltaic backsheets (e.g., PET films) to prevent high-temperature ignition.

·Flame-retardant epoxy resins in wind turbine blades mitigate lightning strike fire hazards.

·Ensure fireproofing for battery housings (e.g., lithium batteries) to prevent thermal runaway explosions.

6. Industrial Equipment & Packaging

Products: Machinery housings, logistics packaging (e.g., electronics), 3D printing materials, etc.
Role of Flame Retardants:

·Prevent plastic component combustion in high-temperature industrial environments (motors, chemical equipment).

·Safeguard hazardous material transport packaging against accidental fires.

·Enable flame-retardant 3D printing materials (PLA, nylon) for aerospace and harsh environments.

Key Functions of Flame Retardants

·Combustion Suppression: Delay fire progression for emergency response and evacuation.

·Smoke & Toxicity Reduction: Minimize secondary hazards (e.g., CO, HCN).

·Material Safety Enhancement: Help plastics, textiles, and rubbers meet fire safety standards.

·Eco-Friendly Evolution: Halogen-free, low-smoke, and bio-based retardants replace hazardous traditional options.

 

Company Profile

 

Weifang Phoenix New Material Co., Ltd

 

       Weifang Phoenix New Material Co., Ltd is a high-tech chemical enterprise integrating research and development, production, sales and technical services. Headquartered in Weifang, Shandong Province. Its production facilities are ocated in Weifang Binhai Chemical Industry Park, a state-approved chemical industry park.
 

      Our mission is to be the leading sustainable "one-stop shop" chemical solutions company, providing customers with innovative, science-led, differentiated products and solutions. To this end, we provide a safe and healthy working environment for our employees and comply with all local, national and international regulations.

 

Q and A

1.Q:How's the quality?
A:We are the source factory, quality is guaranteed.

2.Q:When does it ship?
A:We have standardized processes to ship as fast as possible.

3.Q:How do you protect the after-sales?
A:We keep samples of each batch and support returns and technical traceability in case of quality problems.