HPEG (Hydroxypropyl Ether Glycol)

Product Introduction: HPEG (Hydroxypropyl Ether Glycol)

Overview
Hydroxypropyl Ether Glycol (HPEG) is a high-performance polyether monomer widely used in the production of polycarboxylate superplasticizers (PCEs), which are essential chemical admixtures in the construction industry. HPEG is a key raw material for synthesizing PCEs, offering excellent water reduction, workability, and strength enhancement properties for concrete. Its unique molecular structure makes it a preferred choice for modern concrete technology.

Key Features and Benefits

1. High Water Reduction:
   HPEG-based polycarboxylate superplasticizers can reduce water content in concrete by up to 40%, significantly improving workability and strength.

2. Enhanced Workability:
   Improves the flowability and pumpability of concrete, making it easier to place and compact, even in complex or heavily reinforced structures.

3. Improved Strength and Durability:
   By optimizing the water-to-cement ratio, HPEG-based superplasticizers enhance the compressive and flexural strength of concrete, while also improving its resistance to cracking and environmental factors.

4. Versatility:
   Suitable for a wide range of concrete applications, including high-performance concrete, self-compacting concrete, and precast concrete.

5. Eco-Friendly:
   HPEG-based superplasticizers are formulated to be environmentally friendly, reducing the carbon footprint of construction projects.

6. Compatibility:
   Compatible with various types of cement and supplementary cementitious materials, such as fly ash and slag.

Applications

1. High-Performance Concrete

• Used in structures requiring high strength and durability, such as bridges, high-rise buildings, and industrial floors.

2. Self-Compacting Concrete (SCC)

• Enhances the flowability of concrete without the need for vibration, making it ideal for complex or densely reinforced structures.

3. Precast Concrete

• Improves the quality and finish of precast elements, ensuring high early strength and smooth surfaces.

4. Ready-Mix Concrete

• Provides consistent performance in standard concrete mixes, improving workability and reducing water content.

5. Shotcrete

• Enhances adhesion and reduces rebound in sprayed concrete applications.

Technical Specifications

• Chemical Name: Hydroxypropyl Ether Glycol (HPEG)

• Appearance: Colorless to light yellow liquid.

• Molecular Weight: Customizable (typically ranging from 500 to 5000 g/mol).

• Solubility: Soluble in water.

• Purity: ≥99%.

• pH Value: Neutral to slightly alkaline (7–9).

Usage Guidelines

1. Dosage:

• The recommended dosage for HPEG in polycarboxylate superplasticizer synthesis varies depending on the desired performance (typically 0.5–2% by weight of cement).

• Conduct preliminary tests to determine the optimal dosage.

2. Synthesis:

• HPEG is used as a key monomer in the polymerization process to produce polycarboxylate superplasticizers.

• The synthesis process involves copolymerization with acrylic acid or other monomers.

3. Compatibility:

• HPEG-based superplasticizers are compatible with most common additives and materials.

• Test for compatibility when combining with other chemicals.

Safety and Handling

• Storage: Store in a cool, dry place away from direct sunlight and moisture.

• Handling: Use personal protective equipment (PPE) such as gloves and goggles. Avoid inhalation or direct contact with skin and eyes.

• Environmental Impact: HPEG is designed to be environmentally friendly, but waste disposal should comply with local regulations.

Why Choose Our HPEG?

• High Purity: Our HPEG meets stringent quality standards for polycarboxylate superplasticizer production.

• Proven Performance: Trusted by construction professionals worldwide for its reliability and effectiveness.

• Custom Solutions: Tailored formulations to meet the unique needs of your project.

• Technical Support: Expert guidance and after-sales service to ensure optimal performance.

• Sustainability: Eco-friendly products that support green construction practices.

Conclusion

HPEG (Hydroxypropyl Ether Glycol) is a critical raw material for producing high-performance polycarboxylate superplasticizers, which are essential for modern concrete technology. Its unique properties, including high water reduction, enhanced workability, and improved strength, make it an indispensable component in the construction industry. Whether you are working on high-performance concrete, self-compacting concrete, or precast elements, our HPEG delivers the performance and reliability you need to achieve outstanding results.