Description

2-Butenedioic Acid (Z)-, Polymer With .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,2-Ethanediyl) is a specialized polymeric material derived from maleic acid and polyethylene glycol, offering unique surfactant and dispersant properties. This copolymer is valued for its ability to modify surface tension and stabilize formulations in aqueous systems. It is primarily utilized by manufacturers in the coatings, adhesives, and personal care industries seeking high-performance additive solutions.

Application

• As a dispersing agent and grinding aid in pigment concentrates and coating formulations.
• As a surfactant and emulsifier in the production of industrial and institutional cleaners.
• As a viscosity modifier and stabilizer in water-based adhesives and sealants.
• As a functional additive in textile processing chemicals for improved fiber wetting and dye leveling.
• As a component in personal care products such as creams and lotions for its emulsifying properties.
• In construction chemicals as a plasticizer and water-reducing agent in cementitious mixtures.
• For agricultural formulations to enhance the dispersion of active ingredients.
• In paper coating applications to improve pigment binding and sheet gloss.

Basic Information

Product Name	2-Butenedioic Acid (Z)-, Polymer With .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,2-Ethanediyl)
CAS No.	39405-21-5
Molecular Formula	(C4H4O4.C2H4O)x
Molecular Weight	Variable (Polymer)
Synonyms	Maleic Acid-Polyethylene Glycol Copolymer; PEG-Maleic Acid Copolymer; Poly(ethylene glycol)-co-maleic acid; Maleic Acid/Ethylene Oxide Copolymer; Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, polymer with (Z)-2-butenedioic acid; Ethoxylated Maleic Acid Polymer; Dispersant 5040 (common trade name); CAS 39405-21-5
EINECS	Contact for details

Quality Control

Our production of 2-Butenedioic Acid (Z)-, Polymer With .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,2-Ethanediyl) adheres to a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance and meets specifications for critical parameters such as acid value, molecular weight distribution, and solids content. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture which may affect product performance.

Specification

Item	Specification
Appearance	Clear to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (Solid Content)	≥ 40%
Acid Value	60 - 80 mg KOH/g
pH (10% solution)	2.0 - 4.0
Viscosity (25°C)	500 - 2000 mPa·s
Water Content	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.