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

የተወሰደ አንቀጽ:
እ.ኤ.አ. top six high-performance phosphate esters used in extraction and coatings are 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.

የሽግግር አንቀጽ:
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 ዶንግሆንግ ኬሚካል leads their production.

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1. 2-Ethylhexyl Phosphate (P204)

መግቢያ አንቀጽ:
When it comes to cURL Too many subrequests., P204 is the industry’s gold standard.

የተወሰደ አንቀጽ:
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: cURL Too many subrequests.
• Acid Value: 140–150 mgKOH/g
• pH (5% sol.): cURL Too many subrequests.
• Color: ≤40 APHA
• Solubility: Miscible with organic solvents, insoluble in water

አጠቃቀሞች:

• Hydrometallurgy: Extracts and separates rare and non-ferrous metals.
• cURL Too many subrequests. 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.

cURL Too many subrequests. is produced under controlled esterification, ensuring low impurities and consistent acidity for efficient extraction and coating applications.

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2. Tributyl Phosphate (TBP)

መግቢያ አንቀጽ:
For over half a century, Tributyl Phosphate (TBP) has been the workhorse extractant in the chemical and nuclear industries.

የተወሰደ አንቀጽ:
TBP is a neutral triester that acts as both a solvent and complexing agent, valued for its thermal stability and low volatility.

Key Specifications:

• Purity: ≥99%
• cURL Too many subrequests. 289°C
• Acid Value: ≤0.1 mgKOH/g
• Color: ≤30 APHA

አጠቃቀሞች:

• cURL Too many subrequests. Solvent for uranium, thorium, and rare earths.
• cURL Too many subrequests. Used as a leveling agent and coalescent in alkyd and epoxy systems.
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Why It’s High-Performance:
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መግቢያ አንቀጽ:
cURL Too many subrequests., Trioctyl Phosphate (TOP) cURL Too many subrequests.

የተወሰደ አንቀጽ:
TOP is a cURL Too many subrequests. cURL Too many subrequests. cURL Too many subrequests..

Key Specifications:

• Purity: ≥99%
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• Density: cURL Too many subrequests.
• Color: ≤30 APHA

አጠቃቀሞች:

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• cURL Too many subrequests. 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)

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

የተወሰደ አንቀጽ:
TEP is a low-viscosity, colorless, non-halogenated phosphate ester used in flame retardant, catalytic, and coating applications.

Key Specifications:

• Purity: ≥99%
• cURL Too many subrequests. 215–220°C
• Acid Value: ≤0.3 mgKOH/g
• Color: ≤20 APHA

አጠቃቀሞች:

• cURL Too many subrequests. Solvent and carrier for metal ion separation.
• cURL Too many subrequests. Flame retardant and plasticizer for PU, acrylic, and epoxy systems.
• Catalyst: Used in polymer synthesis and curing reactions.

Why It’s High-Performance:
TEP’s low toxicity, non-corrosive nature, and excellent flame-retardant properties make it ideal for both coating systems and environmentally responsible extraction operations.

Donghong Chemical’s TEP meets REACH and RoHS standards, ensuring full compliance for global markets.

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5. Nonylphenol Polyoxyethylene Ether Phosphate (NP-10)

መግቢያ አንቀጽ:
For coating manufacturers looking for high-efficiency dispersion and wetting, NP-10 Phosphate Ester is a must-have additive.

የተወሰደ አንቀጽ:
NP-10 is an amphiphilic phosphate ester surfactant, combining strong wetting and dispersing abilities with low foaming and excellent compatibility in coating systems.

Key Specifications:

• Purity: ≥99%
• Acid Value: 80–120 mgKOH/g
• pH (5% sol.): 1–2
• Solubility: Water-soluble

አጠቃቀሞች:

• cURL Too many subrequests. Pigment dispersant, wetting agent, and leveling aid.
• cURL Too many subrequests. Improves phase separation and surface tension control.
• Textiles: cURL Too many subrequests.

Why It’s High-Performance:
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መግቢያ አንቀጽ:
cURL Too many subrequests., AEO-3 Phosphate Ester cURL Too many subrequests.

የተወሰደ አንቀጽ:
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Key Specifications:

• Purity: ≥99%
• Acid Value: 80–120 mgKOH/g
• pH (5% sol.): 1–2
• Biodegradability: cURL Too many subrequests.

አጠቃቀሞች:

• cURL Too many subrequests. 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 እና eco-friendly formulations. Its biodegradability ensures minimal environmental impact.

Donghong Chemical’s AEO-3 is globally recognized for consistent purity, low odor, and stable viscosity, suitable for green industrial applications.

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Dive Deeper: Comparative Overview of the Six Phosphate Esters

ምርት	ይወክላል እና	cURL Too many subrequests.	ዋና ተግባር	Application Focus
P204	Acidic Monoester	≥98	Metal extractant, adhesion promoter	cURL Too many subrequests.
TBP	Neutral Triester	cURL Too many subrequests.	Solvent, coalescent	Extraction, resin blending
TOP	Neutral Triester	cURL Too many subrequests.	Flame retardant, stabilizer	Heat-resistant coatings
TEP	Neutral Triester	cURL Too many subrequests.	Flame retardant, catalyst	PU, acrylic coatings
NP-10	Amphiphilic Diester	cURL Too many subrequests.	Dispersant, wetting agent	Pigment dispersion, emulsions
AEO-3	Anionic Diester	cURL Too many subrequests.	Wetting, emulsifying	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

ዶንግሆንግ ኬሚካል (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.

Export Markets:
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📧 Email: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781

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