Description

2-Propenoic Acid, 2-Methyl-, 2-Hydroxypropyl Ester, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Propenoic Acid CAS NO 41629-89-4 is a specialized acrylic copolymer designed to deliver a unique balance of performance characteristics. This polymer is engineered to provide excellent film formation, adhesion, and durability, making it a critical component in high-performance industrial formulations. It is primarily sought after by manufacturers in the coatings, adhesives, and specialty chemical sectors for its versatile functionality and reliable quality.

Application

• Industrial Coatings: Used as a key binder in solvent-based and high-solids coatings for metal, plastic, and wood substrates, providing enhanced gloss, hardness, and chemical resistance.
• Adhesives and Sealants: Serves as a primary polymer in pressure-sensitive adhesives (PSAs), structural adhesives, and construction sealants, offering strong bonding and flexibility.
• Printing Inks: Incorporated into flexographic and gravure inks to improve pigment wetting, print clarity, and substrate adhesion.
• Textile and Leather Finishes: Applied as a coating or finishing agent to impart water repellency, abrasion resistance, and a soft hand feel.
• Automotive Refinish: A component in automotive repair paints and clear coats, contributing to fast drying times and excellent weather durability.
• Industrial Maintenance Coatings: Used in protective coatings for machinery, pipelines, and structural steel to guard against corrosion and environmental wear.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, 2-Hydroxypropyl Ester, Polymer With Butyl 2-Propenoate, Ethenylbenzene And 2-Propenoic Acid
CAS No.	41629-89-4
Molecular Formula	(C7H12O3·C7H12O2·C8H8·C3H4O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Hydroxypropyl methacrylate/butyl acrylate/styrene/acrylic acid copolymer; HPMA/BA/St/AA copolymer; Acrylic copolymer resin; Methacrylic acid, 2-hydroxypropyl ester, polymer with butyl acrylate, styrene and acrylic acid; 2-Hydroxypropyl methacrylate-butyl acrylate-styrene-acrylic acid polymer; Acrylic polyol (in certain formulations); Thermosetting acrylic resin; Styrene acrylic copolymer with hydroxyl functionality.
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency for your formulations. Key parameters such as solids content, viscosity, acid value, hydroxyl value, and glass transition temperature (Tg) are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat sources and open flame. Under these conditions, the product is typically stable for 24 months from the date of manufacture.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solids Content	60 - 70 %
Viscosity (at 25°C)	1000 - 5000 mPa·s
Acid Value	5 - 15 mg KOH/g
Hydroxyl Value (on solids)	30 - 60 mg KOH/g
Color (Gardner)	≤ 2
Glass Transition Temperature (Tg)	20 - 40 °C
Solvent	Xylene / Butyl Acetate blend

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