How to Prevent Decomposition of Surfactants in Storage

Əsas paraqraf:
Even the most advanced surfactants can lose their performance if not stored properly. Decomposition during storage is one of the most common causes of quality decline in chemical formulations.

İzah paraqrafı:
To prevent decomposition of surfactants in storage, maintain a cool (20–40°C), dry, and airtight environment, avoid exposure to moisture, strong acids, or oxidizers, and use high-quality packaging materials such as HDPE drums or stainless-steel tanks. Regular testing of acid value, color, and pH helps ensure long-term stability.

Keçid paraqrafı:
Whether you’re handling textile wetting agents, coating dispersants, or phosphate ester surfactants, proper storage determines product longevity and safety. This guide from Donghong Kimya explains the key factors that cause surfactant decomposition — and how to effectively prevent them in industrial and warehouse conditions.

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Why Surfactants Decompose During Storage

Əsas paraqraf:
Surfactants are designed for chemical stability, yet several environmental and chemical factors can accelerate their degradation.

İzah paraqrafı:
Decomposition typically results from hydrolysis, oxidation, microbial growth, or thermal stress. Each mechanism alters molecular structure, leading to color change, odor formation, and reduced surface activity.

Common Causes of Surfactant Degradation:

Cause	Description	Result
Hydrolysis	Reaction with water due to moisture ingress	Acid or alcohol formation, drop in pH
Oxidation	Reaction with oxygen or air exposure	Discoloration, rancid odor
High Temperature	Speeds up hydrolysis and oxidation	Viscosity change, loss of functionality
UV Exposure	Breaks down molecular bonds	Color shift or precipitate formation
Microbial Growth	Occurs in aqueous surfactants	Spoilage and foul odor

Example:
Phosphate ester surfactants like AEO-3 or NP-10 can hydrolyze if moisture enters the storage container, leading to higher acid value and reduced emulsification efficiency.

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Optimal Storage Conditions for Surfactants

Əsas paraqraf:
The simplest way to protect surfactants is by controlling their environment — temperature, humidity, and exposure.

İzah paraqrafı:
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• Avoid storing near humid or wet areas — moisture triggers decomposition.

3. Light Protection

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• Use opaque or UV-resistant containers for light-sensitive products.
• Direct sunlight can degrade color and reduce active ingredient concentration.

4. Compatibility and Segregation

Incompatible Substance	Risk
Strong oxidizers (e.g., peroxides)	Fire and decomposition hazard
Strong bases or acids	Chemical neutralization or hydrolysis
Reactive metals (iron, copper, zinc)	Discoloration or catalytic breakdown
Water or steam	Promotes hydrolysis and pH drift

5. Recommended Packaging

• HDPE drums or IBC tanks (1000 L) for liquid surfactants.
• Epoxy-lined steel containers for industrial-scale storage.
• Avoid mild steel or uncoated metal tanks for acidic esters.

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Monitoring Product Stability

Əsas paraqraf:
Even with ideal storage, periodic testing ensures product integrity and prevents unnoticed degradation.

İzah paraqrafı:
Regular quality monitoring helps maintain consistency and provides early detection of chemical changes.

Key Quality Parameters to Monitor:

Parametr	cURL Too many subrequests.	Indicator of Degradation
Appearance	Clear, color ≤30 APHA	Yellowing or haze formation
pH (5% solution)	5–8	Drop indicates hydrolysis
Turşuluq Dəyəri (mgKOH/g)	0.1–0.3 (neutral type)	Increase indicates decomposition
Rütubət (%)	≤0.1	Excess leads to instability
Viscosity	Stable within ±10%	Increase shows polymerization or oxidation
cURL Too many subrequests.	Neutral or mild	Sharp odor signals spoilage

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• Prevents oxidation and color degradation.
• Recommended for P204, TBP, TEP, and AEO-3 phosphate esters.

2. Keep Drums Sealed and Dry

• Always close container lids tightly after sampling.
• Use desiccant packs for long-term sealed storage.

3. Maintain Storage Rotation

• Adopt the FIFO (First In, First Out) principle.
• Regularly record batch numbers and storage durations.

4. Avoid Frequent Heating

• Some facilities heat containers for fluidity — this accelerates breakdown.
• Instead, keep products in temperature-controlled warehouses.

5. Add Stabilizers if Necessary

• For sensitive formulations, small doses of antioxidants or chelating agents can extend life.
• Always consult the supplier before modifying chemical composition.

Result:
Proper storage can maintain acid value, color, and activity nearly identical to production specifications for over two years.

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Dive Deeper: Environmental and Safety Practices

Əsas paraqraf:
Safe storage goes hand in hand with environmental responsibility and workplace protection.

İzah paraqrafı:
Preventing decomposition also prevents toxic vapor release and waste generation, contributing to cleaner and safer operations.

Donghong Chemical’s Environmental Safety Standards:

• Closed-loop solvent recovery system (>95% efficiency).
• Zero wastewater discharge from production.
• Uyğunluq ilə ISO14001, REACH, and RoHS.
• Use of biodegradable, non-halogenated phosphate esters.
• Regular safety training for staff handling surfactants and esters.

Properly stored chemicals not only remain stable — they also minimize environmental footprint and align with global green manufacturing goals.

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Why Choose Donghong Chemical for Stable, High-Purity Surfactants

Donghong Chemical (Guangdong, China) is a trusted global supplier of fosfat esterleri və surfaktant əlavələri known for exceptional stability and purity.

Məhsul çeşidi:

• AEO-3 Fosfat Esteri: Fast-wetting, low-foam surfactant for coatings and textiles.
• NP-10 Fosfat Esteri: Dispersant and leveling agent for pigment systems.
• P204 (2-Etilhekzil Fosfat): Acidic ester for metal extraction and corrosion inhibition.
• TEP / TOP / TBP: cURL Too many subrequests.

Üstünlüklər:

• 20,000-ton annual capacity.
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📧 E-poçt: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781

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With Donghong Chemical’s high-purity phosphate esters, cURL Too many subrequests. cURL Too many subrequests. cURL Too many subrequests.

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

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