Description

2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, Methyl 2-Methyl-2-Propenoate And 2-Methylpropyl 2-Methyl-2-Propenoate is a high-performance, multi-component acrylic copolymer designed for demanding industrial applications. This polymer offers a unique balance of properties derived from its constituent monomers, including excellent film formation, adhesion, and chemical resistance. It is a critical raw material for formulators in the coatings, adhesives, and specialty chemical industries seeking to enhance product durability and performance.

Application

• Industrial and Protective Coatings: Used as a key binder in solvent-based or high-solid coatings for metal, wood, and plastic substrates, providing excellent weather resistance and hardness.
• Adhesives and Sealants: Serves as a primary polymer in pressure-sensitive adhesives (PSAs), construction sealants, and assembly adhesives, offering strong tack and cohesive strength.
• Automotive Refinish Paints: A vital component in automotive repair paints and clear coats, contributing to fast drying times, high gloss, and resistance to fuels and chemicals.
• Printing Inks: Employed in the formulation of specialty printing inks, including overprint varnishes, to improve rub resistance, gloss, and substrate adhesion.
• Plastic Modifiers and Additives: Functions as a processing aid or impact modifier for engineering plastics, enhancing compatibility and physical properties in polymer blends.
• Textile and Leather Finishes: Used in coatings and finishes for textiles and synthetic leather to provide water repellency, flexibility, and a durable surface finish.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Ethenylbenzene, Methyl 2-Methyl-2-Propenoate And 2-Methylpropyl 2-Methyl-2-Propenoate
CAS No.	38298-19-0
Molecular Formula	(C4H6O2·C8H8·C5H8O2·C8H14O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	Acrylic-styrene copolymer; Methyl methacrylate / butyl methacrylate / styrene / methacrylic acid copolymer; MBS/MMA copolymer; Methacrylic acid copolymer, Type C (related); Butyl methacrylate-styrene-methacrylic acid-methyl methacrylate polymer; Acrylic multipolymer resin; 2-Methyl-2-propenoic acid polymer with ethenylbenzene, methyl 2-methyl-2-propenoate and 2-methylpropyl 2-methyl-2-propenoate
EINECS	Contact for details

Quality Control

Our production of this advanced copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical formulation parameters. Quality is verified through a comprehensive suite of tests including viscosity, solids content, acid value, glass transition temperature (Tg), and molecular weight distribution. A Certificate of Analysis (COA) detailing all relevant specifications is 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, well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat sources, sparks, and open flame. Ensure containers are kept tightly sealed when not in use to prevent solvent loss or moisture absorption, which can alter product characteristics.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solids Content	40 - 60% (varies by grade)
Viscosity (Brookfield)	500 - 5000 cPs (varies by grade & solids)
Acid Value (on solids)	30 - 80 mg KOH/g
Glass Transition Temperature (Tg)	40°C - 80°C
Solvent	Xylene, Toluene, Esters, Ketones (grade dependent)
Color (Gardner)	≤ 3

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