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APEG-2000
Jienuo
Allyl polyethylene glycol APEG-2000 (also known as Allyl PEG 2000, CAS 27274-31-3) is a non-ionic surfactant and key polymer monomer. A water-soluble, allyl-terminated PEG derivative, it's widely used as a raw material for polycarboxylate superplasticizers in concrete admixtures—enhancing concrete workability and strength. It also serves as a surfactant in coatings, adhesives, and textile auxiliaries, offering excellent compatibility and stability. With high purity and low impurities, APEG-2000 is an essential industrial ingredient for construction chemicals and polymer synthesis.
Product Advantage
Superior Concrete Performance Enhancement
When used in polycarboxylate superplasticizers, APEG-2000 (hydroxyl value: 26–30 mgKOH/g) enables concrete to achieve high fluidity (workability) and strength (C60+ grades), while reducing water consumption significantly—cutting water usage by 20%+ compared to traditional admixtures.
High Purity & Stability
With low impurities (unsaturation ≥0.43 mmol/g) and a controlled pH (5.0–7.0 in 1% solution), this product ensures consistent reactivity in polymer synthesis, minimizing batch-to-batch variations for reliable production.
Versatile Compatibility
As a non-ionic surfactant, it integrates seamlessly with multi-component formulations (e.g., coatings, textile auxiliaries), maintaining system stability without causing phase separation or performance degradation.
Cost-Effective Application
Its high efficiency in small dosages (typical addition rate: 0.2–0.5% in concrete) lowers overall raw material costs, while its long shelf life (1 year) reduces inventory waste.
Technical Specifications
Technical Specifications of Allyl Polyethylene Glycol APEG-2000 | Value Range |
Chemical Name | Allyl polyethylene glycol 2000; Polyethylene glycol allyl ether 2000 |
CAS Number | 27274-31-3 |
Type | Non-ionic surfactant / Polymer monomer |
Appearance (at 25°C) | White to pale yellow flake |
Molecular Weight (Mn) | 1800–2200 |
Hydroxyl Value (mgKOH/g) | 26–30 |
pH Value (1% aqueous solution) | 5.0–7.0 |
Unsaturation (mmol/g) | ≥ 0.43 |
Moisture Content (%) | ≤ 0.5 |
Ash Content (%) | ≤ 0.1 |
Water Solubility | Fully soluble in water |
Storage Stability | 12 months (sealed, dry & ventilated conditions) |
Product Uses
Construction Chemicals (Core Use)
The primary raw material for polycarboxylate superplasticizers, suitable for high-performance, high-strength (C60+) concrete in precast components, high-rise buildings, and long-distance transportation projects.
Polymer Synthesis
Acts as a reactive monomer (via allyl group) to modify emulsions, resins, and high-molecular materials, enhancing product dispersibility and bonding properties.
Surfactant Applications
Used in coatings, adhesives, and textile auxiliaries to improve wetting, emulsification, and leveling performance of formulations.
For polycarboxylate superplasticizer production: Mix APEG-2000 with acrylic acid (molar ratio ~1:1) and initiators (e.g., ammonium persulfate) at 80–90°C for 3–4 hours, then neutralize to pH 6–7. For surfactant use: Add 0.5–2% (by formulation weight) directly to the mixture and stir until homogeneous. Store in a dry, ventilated area to avoid moisture.
FAQ
What's the shelf life of APEG-2000?
It has a 1-year shelf life when stored in sealed packaging (200kg drums/bags) in dry, ventilated conditions, away from heat and moisture.
Can it be used for low-strength concrete?
Yes—while optimized for high-strength (C60+) concrete, it also improves workability and water reduction in medium-strength mixes (C30–C50) with proper dosage adjustment.
Is APEG-2000 compatible with other admixtures?
It works well with most concrete admixtures (e.g., air-entraining agents, retarders), but pre-testing small batches is recommended to confirm compatibility.
