Description

Poly(Styrene-Co-Maleic Acid), Partial 2-Butoxyethyl Ester, Cumene Terminated is a specialized polymeric surfactant and dispersant derived from styrene-maleic anhydride copolymer. This compound matters for its unique amphiphilic structure, offering excellent compatibility and surface activity in complex formulations. Industrial users in coatings, inks, and advanced material synthesis need it to enhance pigment dispersion, stabilize emulsions, and modify surface properties.

Application

• Pigment Dispersion & Grinding Aid in industrial and automotive coatings for improved color strength and stability.
• Emulsion Stabilizer in water-based ink and adhesive formulations.
• Compatibilizer and Surface Modifier in polymer blends and composite materials.
• Rheology Control Agent for adjusting flow properties in specialty coatings.
• Additive for Agricultural Formulations to aid in the dispersion of active ingredients.
• Intermediate for Further Chemical Synthesis in creating custom functional polymers.

Basic Information

Item	Details
Product Name	Poly(Styrene-Co-Maleic Acid), Partial 2-Butoxyethyl Ester, Cumene Terminated
CAS No.	160611-50-7
Molecular Formula	(C10H8·C4H2O3)n (Modified) - Contact for details
Molecular Weight	Varies by grade - Contact for details
Synonyms	SMA® Resin (partial butoxyethyl ester, cumene terminated); Styrene Maleic Anhydride Copolymer Partial 2-Butoxyethyl Ester; Cumene-Terminated Poly(styrene-alt-maleic acid) Partial Butoxyethyl Ester; PSMA Butoxyethyl Ester; SMA 2625 (example grade); Poly(styrene-co-maleic acid) butyl ester derivative; Styrene/Maleic Acid Copolymer Ester
EINECS	Contact for details

Quality Control

Our Poly(Styrene-Co-Maleic Acid), Partial 2-Butoxyethyl Ester, Cumene Terminated is manufactured under a rigorous quality management system. Each batch is tested to ensure consistency in key parameters such as acid value, esterification degree, molecular weight, and viscosity. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

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). Keep away from strong oxidizing agents and excessive heat.

Specification

Item	Specification
Appearance	Yellow to amber solid or viscous liquid
Identification (IR)	Conforms to structure
Acid Value	Contact for details
Esterification Degree	Contact for details
Molecular Weight (Mw)	Contact for details
Viscosity (Solution)	Contact for details
Solids Content	Contact for details

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