Description

2-Propenoic Acid, 2-Methyl-, Polymer With Methyl 2-Methyl-2-Propenoate And Octadecyl 2-Methyl-2-Propenoate is a high-performance, multi-component acrylic copolymer designed for specialized industrial applications. This polymer combines the robust film-forming and adhesive properties of acrylics with the hydrophobic character imparted by the long-chain octadecyl group. It is engineered to deliver enhanced performance in formulations requiring water resistance, durability, and specific rheological control. Key industries that utilize this advanced material include coatings, adhesives, and specialty additives for construction and textiles.

Application

• Industrial Coatings: Used as a key film-forming agent and binder in protective and decorative coatings, offering excellent weatherability and adhesion to various substrates.
• Pressure-Sensitive Adhesives (PSAs): Functions as a primary component in adhesive tapes and labels, providing a balance of tack, peel strength, and cohesive strength.
• Textile and Leather Finishes: Imparts water repellency, softness, and durability as a finishing agent for fabrics and leather goods.
• Printing Inks: Serves as a resin vehicle in ink formulations, contributing to gloss, rub resistance, and substrate adhesion.
• Construction Additives: Acts as a modifier in cementitious products and sealants to improve flexibility, water resistance, and bonding properties.
• Personal Care & Cosmetics: Utilized as a film former and rheology modifier in hair styling products, sunscreens, and color cosmetics.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, Polymer With Methyl 2-Methyl-2-Propenoate And Octadecyl 2-Methyl-2-Propenoate
CAS No.	56443-89-1
Molecular Formula	(C4H6O2.C5H8O2.C22H42O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	Acrylic Copolymer; Methacrylic Acid-Methyl Methacrylate-Stearyl Methacrylate Copolymer; Poly(Methacrylic Acid-co-Methyl Methacrylate-co-Stearyl Methacrylate); MMA/MAA/Stearyl MA Terpolymer; Stearyl Methacrylate Copolymer; Octadecyl Methacrylate Copolymer; Acrylic Terpolymer Resin; Hydrophobic Acrylic Polymer
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. Each lot is characterized for critical parameters including monomer ratio, molecular weight distribution, viscosity, and solid content. Certificates of Analysis (COA) documenting these specifications are provided with every shipment. We support compliance with relevant global regulatory frameworks, including REACH.

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 sources of heat and ignition. Under these conditions, the product is typically stable for 24 months from the date of manufacture. For specific shelf-life information, refer to the product label or technical data sheet.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Solid Content	≥ 98.0 %
Acid Value	Contact for details
Viscosity (Solution)	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Residual Monomer	< 0.5 %
Moisture Content	< 1.0 %

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