Top 6 High-Performance Phosphate Esters for Extraction and Coatings

Əsas paraqraf:
In industrial chemistry, few compounds are as multifunctional and dependable as phosphate esters — the quiet workhorses behind efficient metal extraction and durable coatings.

İzah paraqrafı:
The top six high-performance phosphate esters istifadə olunan extraction and coatings dır P204, TBP, TOP, TEP, NP-10, and AEO-3, each engineered for a specific balance of solubility, stability, and surface activity to enhance process efficiency and product performance.

Keçid paraqrafı:
From hydrometallurgy to waterborne paints, phosphate esters deliver crucial functions — acting as extractants, wetting agents, dispersants, and corrosion inhibitors. This article explains how each of these six esters works, why they are vital to extraction and coating systems, and how Donghong Kimya leads their production.

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1. 2-Ethylhexyl Phosphate (P204)

Əsas paraqraf:
When it comes to metal extraction, P204 is the industry’s gold standard.

İzah paraqrafı:
Known chemically as bis(2-ethylhexyl) phosphate, P204 is a strong acidic phosphate ester widely used in rare earth, nickel, copper, and cobalt extraction processes.

Key Specifications:

• Purity: ≥98%
• Acid Value: 140–150 mgKOH/g
• pH (5% sol.): 1–3
• Color: ≤40 APHA
• Solubility: Miscible with organic solvents, insoluble in water

Applications:

• Hydrometallurgy: Extracts and separates rare and non-ferrous metals.
• Coatings: Improves adhesion and corrosion resistance on metal substrates.
• Lubricants: Acts as an anti-wear and antioxidant additive.

Why It’s High-Performance:
P204 offers exceptional selectivity for metal ions while forming stable phosphate–metal complexes. In coatings, it enhances bonding between organic resins and metal surfaces.

Donghong Chemical’s P204 is produced under controlled esterification, ensuring low impurities and consistent acidity for efficient extraction and coating applications.

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Why It’s High-Performance:
TBP combines excellent solvency, low reactivity, and high thermal resistance, making it indispensable for extraction and as a coalescent in high-gloss coatings.

Donghong Chemical’s TBP offers water content ≤0.1% və odor-free grade, ideal for high-purity extraction systems and solvent-based paints.

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3. Trioctyl Phosphate (TOP)

Əsas paraqraf:
For high-temperature and heavy-duty systems, Trioctyl Phosphate (TOP) delivers unmatched stability.

İzah paraqrafı:
TOP is a hydrophobic, high-boiling triester used as a flame retardant, plasticizer, and lubricant additive.

Key Specifications:

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• Flash Point: ≥190°C
• Density: 0.92–0.94 g/cm³
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Applications:

• Coatings: Provides flexibility and high-temperature resistance.
• cURL Too many subrequests. Used for heavy metal separation in acidic conditions.
• Plastics: Enhances mechanical strength and flame retardancy.

Why It’s High-Performance:
TOP maintains structural stability even under strong acidic and thermal conditions, making it suitable for long-cycle extraction systems and heat-resistant coatings.

Donghong Chemical’s TOP is manufactured with a closed-loop esterification system, ensuring low VOC emissions and consistent film-forming performance in coatings.

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4. Triethyl Phosphate (TEP)

Əsas paraqraf:
As industries move toward safer, halogen-free additives, Triethyl Phosphate (TEP) has become the go-to eco-friendly choice.

İzah paraqrafı:
TEP is a low-viscosity, colorless, non-halogenated phosphate ester istifadə olunan flame retardant, catalytic, and coating applications.

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Əsas paraqraf:
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İzah paraqrafı:
cURL Too many subrequests. amphiphilic phosphate ester surfactant, combining strong wetting and dispersing abilities with low foaming and excellent compatibility in coating systems.

Key Specifications:

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• Acid Value: 80–120 mgKOH/g
• pH (5% sol.): 1–2
• Solubility: Water-soluble

Applications:

• Coatings: Pigment dispersant, wetting agent, and leveling aid.
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• Textiles: Used in dyeing and finishing auxiliaries.

Why It’s High-Performance:
NP-10 offers strong interfacial activity and is highly compatible with both anionic and nonionic systems. It provides clean, stable emulsions and smooth film finishes in coatings.

Donghong Chemical’s NP-10 is manufactured with acid value control (±5 mgKOH/g) to ensure perfect reproducibility in paint formulations.

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6. Fatty Alcohol Polyoxyethylene Ether (3) Phosphate (AEO-3)

Əsas paraqraf:
When balancing surface activity and environmental safety, AEO-3 Fosfat Esteri sets the industry standard.

İzah paraqrafı:
AEO-3 is an anionic surfactant-type phosphate ester known for its excellent wetting, emulsifying, and anti-corrosion performance in coatings, textiles, and cleaning systems.

Key Specifications:

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• Acid Value: 80–120 mgKOH/g
• pH (5% sol.): 1–2
• Biodegradability: ≥90%

Applications:

• Coatings: Wetting, dispersing, and anti-foaming additive.
• Metal Extraction: Emulsion stabilizer in aqueous-organic extraction systems.
• Textiles: Penetrant and leveling agent for dyeing.

Why It’s High-Performance:
AEO-3 combines fast wetting, low foaming, and chemical stability, making it perfect for waterborne coatings və eco-friendly formulations. Its biodegradability ensures minimal environmental impact.

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Məhsul	Növ	Təmizlik (%)	cURL Too many subrequests.	cURL Too many subrequests.
P204	cURL Too many subrequests.	cURL Too many subrequests.	cURL Too many subrequests.	cURL Too many subrequests.
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TOP	cURL Too many subrequests.	≥99	cURL Too many subrequests.	cURL Too many subrequests.
TEP	cURL Too many subrequests.	≥99	cURL Too many subrequests.	cURL Too many subrequests.
NP-10	cURL Too many subrequests.	≥99	Dispersant, wetting agent	Pigment dispersion, emulsions
AEO-3	Anionic Diester	≥99	Nəmliyin, emulsifikasiya	Waterborne coatings, cleaning

Key Takeaway:
The right phosphate ester depends on your end use — acidic esters (P204) excel in extraction, while neutral and amphiphilic esters (NP-10, AEO-3) deliver superior coating performance.

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Why Choose Donghong Chemical for High-Performance Phosphate Esters

Donghong Kimya (Guangdong, China) is a specialized manufacturer of phosphate esters, surfactants, and coating additives, serving global markets across metallurgy, coatings, and textiles.

Core Advantages:

• 20,000-ton annual capacity with advanced esterification systems.
• High-purity (≥99%) production and low acid residue.
• ISO9001 & ISO14001 certified facilities.
• REACH, RoHS, and OEKO-TEX compliant products.
• Custom formulations for coating and extraction clients.

İxrac bazarları:
Europe, Southeast Asia, South America, and the Middle East.

Product Support:

• Free sample testing.
• Technical guidance for coating and extraction systems.
• Detailed COA, MSDS, and TDS documentation.

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Conclusion: One Chemistry, Multiple Industries

Phosphate esters continue to define progress in both metal extraction və coating technology, combining chemical stability with surface functionality.
The six standouts — P204, TBP, TOP, TEP, NP-10, and AEO-3 — prove how one class of compounds can bridge two industrial worlds: efficiency in separation və excellence in film formation.

With its high-purity production, reliable supply, and commitment to sustainability, Donghong Kimya remains a top global source for fosfat efirləri tailored to advanced extraction and coating systems.

For technical data or bulk order inquiries:

📧 E-poçt: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781

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Donghong Chemical — Professional supplier of high-performance phosphate esters for coatings, extraction, and industrial applications worldwide.