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Acryl Polyoxyethylene Ether (APEG), also known as Allyl Polyethylene Glycol, is a versatile nonionic compound composed of allyl alcohol and ethylene oxide polymer. It is widely used in various industrial applications due to its unique chemical properties and performance.
APEG has the chemical structure CH₂=CHCH₂O(CH₂CH₂O)ₙH, where the value of n can range from 10 to 100. This compound is characterized by its reactivity with active hydrogen or double bonds, making it suitable for grafting reactions and as a dispersant for high molecular weight materials. It is also highly soluble in water and various organic solvents.
APEG is available in different molecular weights, each with specific properties. Here are some common specifications:
ALYL POLYETHYLENE GLYCOL (APEG) SERIES: TECHNICAL SPECIFICATIONS
| Grade | Appearance (25°C) | Hydroxyl Value (mg KOH/g) | pH (1% Aqueous Solution) | Unsaturated Degree (mmol/g) |
|---|---|---|---|---|
| APEG-700 | Yellowish paste | 74–88 | 5.0–7.0 | ≥1.25 |
| APEG-800 | White to yellowish solid | 66–77 | 5.0–7.0 | ≥1.00 |
| APEG-1000 | White to yellowish solid | 50–55 | 5.0–7.0 | ≥0.80 |
| APEG-2000 | White to yellowish solid | 27–30 | 5.0–7.0 | ≥0.45 |
| APEG-2400 | White to yellowish flake | 21–24 | 5.0–7.0 | ≥0.30 |
| Property | Typical Value |
|---|---|
| Chemical Structure | CH₂=CHCOO(CH₂CH₂O)ₙH |
| Molecular Weight | 300-3000 g/mol (variable) |
| Appearance | Colorless to pale yellow liquid |
| Solubility | Water and organic solvents |
| Reactivity | Free radical polymerizable |
| Advantage | Technical Benefit |
|---|---|
| Dual functionality | Combines hydrophilicity with reactivity |
| Tunable HLB value | Adjustable EO chain length |
| Low VOC | Environmentally preferable |
| Good compatibility | Blends with various resins |
| Industry | Application | Function |
|---|---|---|
| Construction | Cement additives | Improves workability |
| Coatings | Waterborne systems | Enhances film formation |
| Textiles | Fabric modifiers | Imparts softness |
| Personal Care | Cosmetic ingredients | Provides moisturization |
| Adhesives | Pressure-sensitive formulations | Modifies tack |
APEG is primarily used as a key raw material for the synthesis of high-performance polycarboxylate superplasticizers. These superplasticizers are widely used in high-performance and high-strength concrete (C60 and above) due to their excellent dispersion and water-reducing capabilities. The resulting products have the following advantages:
– High water reduction rate
– Low dosage
– Enhanced strength and durability
– No corrosion of steel reinforcement
– Environmentally friendly
In addition to its use in concrete, APEG is also employed in the modification of silicon oil, where it acts as a grafting agent to improve the hydrophilicity and dispersion of polymers in water. It is also used in the synthesis of waterborne polyurethane and as a dispersant for high molecular weight materials.
APEG is typically packaged in solid form in 200 kg or 50 kg plastic drums, or in flake form in 20 kg woven bags. It is non-toxic and non-flammable, and should be stored in a dry and ventilated place with a shelf life of one year.
Acryl Polyoxyethylene Ether (APEG) is a valuable nonionic compound with a wide range of industrial applications. Its unique chemical properties, such as reactivity and solubility, make it an essential raw material for the production of high-performance polycarboxylate superplasticizers and other specialty chemicals. Proper storage and handling ensure its stability and effectiveness in various applications.
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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