EPEG 3000 Polyether Monomer — Diethylene Glycol Monovinyl Ether Polyoxyethylene Ether for Slump-Retention PCE Admixtures

EPEG 3000 is a diethylene glycol monovinyl ether polyoxyethylene ether with a target molecular weight of 3000 ± 100 g/mol, produced as a polycarboxylate superplasticizer monomer for concrete admixture synthesis.

BASTONE distributes EPEG 3000 sourced from PetroChina Jilin Petrochemical (Kunlun brand) and Lianyungang Petrochemical (STL brand) to PCE admixture manufacturers across infrastructure, high-speed rail, and marine construction sectors. The vinyl-ether backbone structure gives synthesized PCE admixtures measurable clay-tolerance and slump retention advantages over methallyl- or isoprenyl-based monomers.

Description

EPEG 3000 belongs to the polyoxyethylene ether family, built on a diethylene glycol monovinyl ether backbone with an ethylene oxide chain extended to an average molecular weight of 3000 g/mol. The reactive vinyl ether group — CH₂=CH-O- — anchors the polymer backbone during free-radical copolymerization, producing PCE side chains with tight, uniform graft density. Hydroxyl value is specified at 18.7 ± 1 mg KOH/g, consistent with the target chain length and essential for controlling side-chain spacing in the synthesized copolymer.

A double bond retention of ≥94% and a degree of unsaturation of ≥0.3133% confirm that active vinyl groups survive the ethoxylation process at levels sufficient for reliable polymerization. Chroma is held at ≤20 Pt-Co and pH at 9.0–10.0, parameters that matter for process consistency in aqueous-phase free-radical synthesis where monomer purity directly affects initiator efficiency and molecular weight distribution of the final PCE.

Polymerization with EPEG 3000 proceeds efficiently at ambient temperatures between 15°C and 30°C with no steam heating required. For admixture manufacturers, this reduces energy input per batch and simplifies reactor requirements — a concrete operational advantage at production scale.

Clay tolerance in EPEG 3000-based PCE admixtures comes from the structural stability of the vinyl-ether linkage under competitive adsorption conditions. When concrete mixes contain swelling clays — montmorillonite in particular — allyl-type ether monomers lose effective dosage to clay intercalation. The EPEG 3000 side chain geometry resists this mechanism, preserving workability over extended transport cycles without dosage escalation.

BASTONE distributes EPEG 3000 sourced from PetroChina Jilin Petrochemical (Kunlun brand) and Lianyungang Petrochemical (STL brand), giving PCE admixture manufacturers a choice of origin without variation in the core specification.

Factory and Activities

EPEG 3000 Polyether Monomer — Diethylene Glycol Monovinyl Ether Polyoxyethylene Ether for Slump-Retention PCE Admixtures - BASTONE Petrochem

Specifications

EPEG 3000 polyether monomer in sealed industrial packaging
EPEG 3000 polyether monomer in sealed industrial packaging — white solid, MW 3000 g/mol.

General Information

Item Detail
Product Name EPEG 3000
Chemical Name Diethylene Glycol Monovinyl Ether Polyoxyethylene Ether
Polymer Type Polyoxyethylene Ether — Vinyl Ether Backbone
Molecular Structure CH₂=CH-O-CH₂-CH₂-O-(CH₂-CH₂-O)n-H
Target Molecular Weight 3000 ± 100 g/mol
Appearance White or light-yellow solid
Manufacturer PetroChina Jilin Petrochemical / Lianyungang Petrochemical
Brand Kunlun / STL
Distributor BASTONE (Zhejiang Bastone Technology Co., Ltd.)

Technical Properties

Parameter Specification Unit
Appearance White or light-yellow solid
Chroma ≤20 Pt-Co
Hydroxyl Value 18.7 ± 1 mg KOH/g
Degree of Unsaturation ≥0.3133 %
Double Bond Retention ≥94 %
pH Value 9.0 – 10.0
Target Molecular Weight 3000 ± 100 g/mol

Applications

PCE admixture polymerization plant using EPEG 3000 monomer
PCE admixture polymerization plant using EPEG 3000 monomer — ambient-temperature synthesis, no steam heating.

EPEG 3000 addresses two specific performance gaps that standard water-reducing monomers cannot reliably close: extended slump retention over long transport cycles and maintained workability in clay-contaminated aggregate mixes.

In long-distance ready-mix concrete delivery — batching plants supplying urban high-rises, bridges, or large infrastructure pours where truck transit exceeds 60–90 minutes — slump loss is a primary quality risk. PCE admixtures synthesized with EPEG 3000 maintain target slump windows that standard ether-type water reducers cannot sustain, because the vinyl-ether backbone resists hydrolytic degradation during transit. Formulators targeting this application typically combine EPEG 3000 with complementary monomers to balance initial water reduction against retention duration.

High-speed rail construction imposes tight slump specifications across project sites where aggregate sources — and their clay content — vary significantly. Admixture producers supplying rail projects specify EPEG 3000-based PCEs to buffer against aggregate inconsistency without increasing total admixture dosage. The clay-resistance mechanism is a formulation-level hedge against raw material variability at the construction site.

Marine dock and port construction adds a third demand: chemical stability under saline and sulfate exposure. The vinyl-ether linkage in EPEG 3000 maintains structural integrity in aggressive ionic environments, which is why marine concrete engineers increasingly specify clay-resistant PCE grades for submerged and tidal zone applications.

For admixture producers building out a differentiated product line, EPEG 3000 provides a technically distinct monomer platform from HPEG 2400 or TPEG 2400. The ambient-temperature polymerization profile also allows smaller compounding plants to enter slump-retention formulation without capital investment in heated reactor systems.

Why Source Through BASTONE

EPEG 3000 palletized export shipment with QC Certificate of Analysis
EPEG 3000 palletized export shipment with QC Certificate of Analysis inspection before container loading.

BASTONE holds listed distributor status with major manufacturers like PetroChina and Lianyungang Petrochemical, and operates an active export platform through Zhejiang Bastone Technology Co., Ltd. For buyers sourcing construction chemical raw materials from China, authorized distributor access matters: allocated volumes during supply-constrained periods, not spot-market exposure. BASTONE's position in these robust distribution networks means procurement teams can plan forward contracts with supply continuity that spot traders cannot match.

Every BASTONE-supplied EPEG 3000 shipment carries batch-traceable COA documentation covering the full specification matrix — appearance, chroma, hydroxyl value, degree of unsaturation, double bond retention, and pH. Admixture producers facing downstream quality audits from contractors, transit authorities, or national standards bodies need this documentation chain intact. BASTONE provides it as standard, not on request.

The parent group's background in polycarboxylate monomer manufacturing gives BASTONE's commercial team direct technical depth for application questions — PCE synthesis process parameters, grade selection across the HPEG / EPEG / TPEG portfolio, and formulation compatibility. Buyers do not need to reverse-engineer application guidance from generic datasheets.

Sourcing & Logistics

Item Detail
Supply Origin China
Export Entity Zhejiang Bastone Technology Co., Ltd.
Typical Packaging 200 kg drums / 1000 kg IBC totes
Export Port Ningbo / Shanghai
Trade Terms FOB, CIF, CFR (negotiable)
Documentation COA, MSDS, Packing List, Commercial Invoice, Certificate of Origin
Sample Availability Available on request

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