MPEG2200 High Water-Reduction Polyether Monomer

MPEG2200 High Water-Reduction Polyether Monomer

Appearance: White to off-white waxy solid
Molecular Weight: ~2200
Hydroxyl Value: 25-30 mg KOH/g
Moisture: ≤0.5%
pH (5% aq): 5.0-7.0
Solid Content: ≥98%
CAS: 9004-74-4
Product Description

MPEG2200 High Water-Reduction Polyether Monomer – Industrial-Grade Macromonomer for High-Performance Polycarboxylate Superplasticizers

EverStar Group supplies industrial-grade MPEG2200 High Water-Reduction Polyether Monomer with verified hydroxyl values of 25-30 mg KOH/g and moisture content ≤0.5%. Our Factory operates large-scale automated production lines with over 5,000 tons of on-site inventory, ensuring stable batch-to-batch consistency. This mono-functional linear polyether is synthesized through controlled anionic ring-opening polymerization of ethylene oxide, specifically designed for manufacturers producing polycarboxylate ether (PCE) superplasticizers. With 13+ years of chemical manufacturing experience and EU REACH compliance, we deliver factory-direct pricing to customers across 50+ countries with a 99.5% on-time delivery rate.

MPEG2200 Polyether Monomer China Factory

What Is MPEG2200 High Water-Reduction Polyether Monomer?

This product is a premium chemical intermediate with an average molecular weight of 2200 g/mol. It features a methoxy-terminated polyethylene glycol chain structure that serves as the hydrophilic side-chain building block in modern concrete admixture chemistry.

You use it primarily to synthesize next-generation polycarboxylate superplasticizers through esterification or copolymerization with unsaturated carboxylic acids. The controlled molecular chain length provides optimal steric hindrance at the cement-water interface, enabling water reduction rates exceeding 30% in concrete formulations.

This monomer solves critical problems that legacy admixtures cannot address:

  • Breaks through the 20% water reduction ceiling of naphthalene-based reducers
  • Eliminates rapid slump loss during concrete transport
  • Improves compatibility with diverse cement types and mineral admixtures

By creating a dense protective layer around cement particles, the polyether chains prevent agglomeration while maintaining concrete flowability over extended working times.

Technical Specifications

Parameter Specification Test Method
Appearance White to off-white waxy solid Visual
Molecular Weight ~2200 g/mol GPC
Hydroxyl Value 25-30 mg KOH/g ASTM E222
Moisture Content ≤0.5% Karl Fischer
pH (5% aqueous) 5.0-7.0 pH Meter
Solid Content ≥98% Gravimetric
Free PEG Diol ≤2.0% GPC Analysis
Acid Value ≤0.10 mg KOH/g Titration
CAS Number 9004-74-4 -

Note: Product specifications may be adjusted during product iteration and optimization. Please submit your inquiry to us for the latest data and official COA documents.


Core Performance Advantages

Optimized Molecular Architecture

The narrow molecular weight distribution (PDI ≤1.05) ensures consistent esterification reactions during PCE synthesis. You get predictable grafting ratios without batch-to-batch variation that disrupts production schedules.

Superior Low-Impurity Profile

Our stringent manufacturing controls maintain free polyethylene glycol diols below 2.0%. This prevents unwanted cross-linking during your esterification process, eliminating reactor gelation and high-viscosity failures.

Balanced Steric Hindrance Performance

The 2200 molecular weight provides optimal chain length. It delivers strong cement particle dispersion without the entanglement issues of higher molecular weight polyethers (like MPEG 3000 or 5000), preserving early strength development in concrete.

Ultra-Low Moisture for Reaction Efficiency

With moisture ≤0.5% (verified by Karl Fischer titration), you avoid backward equilibrium shifts during synthesis. This maximizes esterification conversion rates and final product water reduction performance.

Industrial Application Scenarios

Ultra-High Performance Concrete (UHPC) Production

When you're manufacturing C80+ concrete with water-to-binder ratios below 0.20, this monomer ensures uniform dispersion of ultra-fine particles like silica fume. It reduces high-shear concrete viscosity under extreme pumping pressures in skyscrapers and marine infrastructure projects.

Precast Concrete Component Manufacturing

In automated precast yards requiring rapid mold turnover, MPEG2200 High Water-Reduction Polyether Monomer-based PCE delivers balanced cement hydration kinetics. You achieve 70%+ design strength within 12-24 hours without excessive steam curing, optimizing factory throughput.

Long-Distance Ready-Mix Transport

For batching plants operating in hot climates above 40°C, the synthesized PCE provides remarkable slump retention for up to 2 hours. It prevents concrete segregation, bleeding, and flash-setting during extended transit times to remote construction sites.

High-Mud Aggregate Compatibility

When working with aggregates containing swelling clays, you can blend this monomer with anti-mud additives during formulation to maintain workability despite clay-induced admixture absorption.

MPEG2200 Polyether Monomer PCE

Quality Control & Storage Guidelines

Incoming Material Inspection

Your quality assurance team should verify:

  • Hydroxyl Value via potentiometric titration (ASTM E222) to confirm precise chain length
  • Molecular Weight Distribution using GPC to detect cross-linked impurities
  • Moisture Content with Karl Fischer coulometric method (ASTM E203)
  • Acid Value to ensure no residual ethoxylation catalysts remain
  • Color/APHA testing (ASTM D1209) to confirm no thermal degradation occurred

MPEG2200 Polyether Monomer Certificated EverStar

Legitimate Capacity Conditions

This fabric is hygroscopic and touchy to oxidation. Store in firmly fixed holders in a cool, dry distribution center underneath 35°C. Keep absent from coordinate daylight and solid oxidizing operators. Keep up well-ventilated conditions to avoid dampness retention that debases reactivity.

Handling Precautions

Use clean, committed hardware for exchanges. Dodge delayed presentation to discuss amid weighing or charging operations. Execute nitrogen cover assurance for opened holders in muggy environments.

FAQ

Q: How does free PEG diol substance influence my superplasticizer synthesis?

A: Free PEG diols contain two receptive hydroxyl bunches. Amid esterification with acrylic corrosive, they act as cross-linking specialists causing high-viscosity variations from the norm or total reactor gelation. Continuously confirm the provider keeps up free PEG underneath 2.0% by means of GPC testing some time recently bulk purchasing.

Q: Why is dampness substance limited to ≤0.5%?

A: PCE blend through esterification is a reversible harmony response. Tall beginning dampness shifts the response in reverse, seriously bringing down esterification rates. This produces sub-par admixtures with decreased water decrease execution. Keep dampness underneath 0.5% to maximize change efficiency.

Q: What causes overabundance discuss entrainment in concrete, and how do I settle it?

A: The polyether chains normally lower water surface pressure, acting like mellow surfactants that entrain discuss amid blending. Resolve this by presenting 0.1-0.3% congruous organosilicon or triisobutyl phosphate defoamers amid the last mixing stage.

Q: Can I utilize this monomer with high-aluminate cements?

A: Yes, but you require to alter definition proportions. High-aluminate cements have fast hydration energy that expend PCE quicker. Increment the measurement by 0.05-0.10% or mix with impeding monomers to keep up workability over the required time window.

Q: What rack life ought to I anticipate for this material?

A: When put away legitimately in fixed holders underneath 35°C, the monomer keeps up determination compliance for 12 months. After opening, utilize inside 3 months to avoid dampness take-up and oxidation that corrupt hydroxyl esteem accuracy.

Why Choose EverStar Group?

13+ A long time Fabricating Expertise

Our devoted chemical amalgamation office produces the item with reliable hydroxyl values and negligible group variety. You get dependable crude fabric execution for continuous generation schedules.

5,000+ Tons On-Site Inventory

Our bulk capacity tank cultivate guarantees quick fulfillment of critical orders. Whether you require trial bunches or full holder loads, we dispatch inside 48 hours of arrange confirmation.

Custom Definition Support

Our in-house R&D research facility gives 24-hour custom improvement for your particular PCE blend prerequisites. We offer assistance optimize uniting proportions, alter atomic weight conveyances, and troubleshoot generation issues.

Global Compliance & Certification

All items meet EU REACH enlistment necessities and pass exacting quality confirmation. We give total specialized information sheets, batch-specific GPC investigation reports, and hydroxyl esteem certificates with each shipment.

Professional Specialized Service

Our chemical engineers give full lifecycle back from starting item meeting to after-sales specialized help. We offer assistance you resolve amalgamation challenges, optimize capacity conventions, and make strides last admixture execution.

MPEG2200 Polyether Monomer Top Quality

Request Your Technical Sample Kit

Email: info@cneverstar.com

We respond to all technical inquiries within 12 hours for MPEG2200 High Water-Reduction Polyether Monomer and provide customized solutions for your specific construction chemical manufacturing needs.