Description

2-Propenoic Acid, 2-Methyl-, 2-(1-Aziridinyl)Ethyl Ester, Polymer With Butyl 2-Methyl-2-Propenoate And Methyl 2-Methyl-2-Propenoate is a specialized acrylic copolymer designed to deliver enhanced performance through its unique reactive aziridine functionality. This product matters for industrial formulators seeking to improve the cross-linking density, chemical resistance, and adhesion properties of their final coatings, adhesives, or composites. It is primarily needed by manufacturers in the advanced coatings, industrial adhesives, and specialty polymer sectors where durable, high-performance finishes are critical.

Application

• High-Performance Industrial Coatings: Used as a cross-linking agent in can coatings, coil coatings, and automotive finishes to enhance durability, gloss, and chemical resistance.
• Advanced Adhesives and Sealants: Incorporated to improve bond strength, heat resistance, and environmental stability in structural and specialty adhesive formulations.
• Fiberglass Sizing and Binders: Serves as a key component in sizing formulations to promote fiber-matrix adhesion and improve the mechanical properties of composites.
• Textile and Leather Finishing: Applied in coatings and finishes to provide water repellency, abrasion resistance, and a durable surface layer.
• Paper and Packaging Coatings: Utilized to create barrier coatings with excellent grease resistance and printability for food packaging and specialty papers.
• UV-Curable Systems: Acts as a reactive oligomer or modifier to increase cross-link density and final film properties in radiation-curable inks and coatings.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, 2-(1-Aziridinyl)Ethyl Ester, Polymer With Butyl 2-Methyl-2-Propenoate And Methyl 2-Methyl-2-Propenoate
CAS No.	42846-12-8
Molecular Formula	(C9H15NO2.C8H14O2.C5H8O2)x
Molecular Weight	Varies (Polymer)
Synonyms	Aziridine, 1,1'-(2-((2-methyl-1-oxo-2-propen-1-yl)oxy)ethyl)imidodi-2,1-ethanediyl ester, polymer with butyl 2-methyl-2-propenoate and methyl 2-methyl-2-propenoate; Poly(2-(1-aziridinyl)ethyl methacrylate-co-butyl methacrylate-co-methyl methacrylate); Aziridine-functional acrylic copolymer; Reactive acrylic terpolymer; 2-(1-Aziridinyl)ethyl methacrylate / butyl methacrylate / methyl methacrylate terpolymer; Cross-linking acrylic resin; P(2-AzEtMA-co-BMA-co-MMA)
EINECS	Contact for details

Quality Control

Our production of this aziridine-functional acrylic copolymer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analysis, including determination of solids content, viscosity, aziridine equivalent weight, and residual monomer levels. Certificates of Analysis (COA) documenting these specifications are provided with every shipment 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 temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat, sparks, and open flame. Due to the reactive aziridine groups, prolonged storage at elevated temperatures should be avoided. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Solids Content	Contact for details
Viscosity (at 25°C)	Contact for details
Aziridine Equivalent Weight	Contact for details
Color (Gardner)	≤ 2
Acid Value	≤ 5.0 mg KOH/g
Residual Monomer (HPLC)	≤ 0.5%
Identification (IR)	Conforms

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