Description

2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Propenoate, Methyl 2-Methyl-2-Propenoate And 2-Propenoic Acid CAS NO 27791-81-7 is a high-performance acrylic copolymer designed for demanding industrial applications. This versatile polymer offers a unique balance of properties, including excellent film formation, adhesion, and chemical resistance, making it a critical component in advanced coating and adhesive formulations. It is essential for manufacturers in the paints & coatings, adhesives & sealants, and specialty chemical industries seeking to enhance product durability and performance.

Application

• Industrial Paints & Coatings: Used as a primary binder or additive to improve gloss, weather resistance, and adhesion to various substrates like metal, plastic, and wood.
• Architectural Coatings: Formulated into exterior and interior paints for buildings, providing durability, water resistance, and color retention.
• Adhesives & Sealants: Serves as a key polymer in pressure-sensitive adhesives (PSAs), construction sealants, and laminating adhesives, offering strong bonding and flexibility.
• Textile & Leather Finishes: Applied as a coating or finishing agent to impart water repellency, softness, and abrasion resistance to fabrics and leather goods.
• Paper & Packaging Coatings: Enhances the surface properties of paper and cardboard, improving printability, grease resistance, and barrier properties.
• Specialty Inks: Utilized in the formulation of printing inks to achieve fast drying, good adhesion, and high gloss on non-porous surfaces.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Butyl 2-Propenoate, Methyl 2-Methyl-2-Propenoate And 2-Propenoic Acid
CAS No.	27791-81-7
Molecular Formula	(C4H6O2.C5H8O2.C4H6O2.C3H4O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Acrylic copolymer; Methacrylic acid, polymer with butyl acrylate, methyl methacrylate and acrylic acid; Butyl acrylate/methyl methacrylate/methacrylic acid/acrylic acid copolymer; Acrylic tetrapolymer; 2-Methyl-2-propenoic acid polymer with butyl 2-propenoate, methyl 2-methyl-2-propenoate and 2-propenoic acid; Poly(butyl acrylate-co-methyl methacrylate-co-methacrylic acid-co-acrylic acid); BMA/MMA/MAA/AA copolymer
EINECS	Contact for details

Quality Control

Our production of this acrylic copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as solid content, viscosity, acid value, glass transition temperature (Tg), and molecular weight distribution are rigorously monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment 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 temperatures between 15°C and 25°C (59°F and 77°F). Avoid freezing and prolonged exposure to extreme heat. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Solid Content	40% - 50% (or as specified)
Viscosity (Brookfield)	1000 - 5000 cps (at 25°C, typical)
Acid Value	30 - 70 mg KOH/g
pH (as supplied)	7.0 - 9.0
Glass Transition Temperature (Tg)	-10°C to +50°C (grade dependent)
Minimum Film Forming Temperature (MFFT)	≤ 10°C

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