AM-319 Tert-Butylcyclohexyl Acrylate Monomer: A Key to Superior UV Performance

In the evolving world of UV-curable coatings, inks, adhesives, and resins, manufacturers constantly seek high-performance materials that enhance product properties while addressing environmental and safety concerns. Shenzhen U-Sunny's AM-319 Tert-Butylcyclohexyl Acrylate Monomer (TBCHA) stands out as a premium single-functional acrylate monomer designed to meet these demanding needs. This article delves into its properties, applications, and benefits.

What is Tert-Butylcyclohexyl Acrylate (AM-319/TBCHA)?

AM-319, chemically known as 4-Tert-Butylcyclohexyl Acrylate (CAS RN: 84100-23-2), is a monofunctional acrylate monomer. Its unique structure, featuring a cycloaliphatic cyclohexyl ring and a bulky tert-butyl group, devoid of hydrophilic groups or atoms other than carbon and oxygen, is fundamental to its exceptional performance.

Shenzhen U-Sunny's AM-319 is characterized by its low viscosity, appearance as a clear liquid1, and is typically stabilized with MEHQ (e.g., 100-300 ppm) to prevent polymerization during storage.

Key Properties and Advantages of AM-319 Monomer

The distinct molecular structure of AM-319 Tert-Butylcyclohexyl Acrylate confers several valuable technical properties:

Low Surface Tension & Excellent Substrate Wetting: With a remarkably low surface tension (29 dynes), it offers high flow and leveling properties. This enhances wetting on various substrates, particularly low-surface-energy plastics like PET, PE, and PP, promoting better adhesion.

Superior Adhesion Promotion: It is renowned for significantly improving adhesion in UV formulations to diverse and often difficult-to-bond substrates, including various plastics (PET, PE, PMMA, PC, PS), metals (including metal coatings), glass, and even marble.

Exceptional Water and Chemical Resistance: Since its structure contains no hydrophilic groups or heteroatoms besides carbon and oxygen, it imparts outstanding resistance to water, humidity, and chemicals to cured films and coatings1.

High Toughness and Flexibility: Products formulated with AM-319 form tough, flexible, and highly durable films. They exhibit strong impact resistance and can be formulated to withstand bending or folding without cracking.

Low Odor and Low Skin Irritation: This monomer is characterized by its very low odor profile and lower skin irritation potential compared to many other acrylate monomers, contributing to improved working conditions.

Low Volatility and Shrinkage: It helps in reducing overall volume shrinkage during the UV curing process, which further enhances dimensional stability and adhesion.

Primary Applications of U-Sunny's AM-319 TBCHA

The combination of properties makes AM-319 Tert-Butylcyclohexyl Acrylate extremely valuable across several UV-cure markets:

UV-Curable Adhesives (UV Capable Adhesives): Its outstanding adhesion makes it a prime choice for UV adhesive formulations targeting hard-to-bond materials. Low odor and good toughness are additional benefits in these applications.

UV Coatings and Primers: Used in UV curing coatings and primers, especially where excellent adhesion, water resistance, and good flow are required. It's effective on plastics, metals, and wood coatings.

UV Inks and UV Jet Inks: Ideal for UV ink formulations for plastic film printing (e.g., PET, PA, PC, PS), coatings for printed circuit boards, and inks for metal, glass, and marble surfaces due to its flexibility, adhesion, and chemical resistance.

Resins and Specialty Polymers: While primarily for UV curing, its properties can also be beneficial in modifying other resin systems for enhanced performance.

Why Choose Shenzhen U-Sunny's AM-319?

Shenzhen U-Sunny is committed to providing high-quality chemical products. Our AM-319 Tert-Butylcyclohexyl Acrylate monomer undergoes strict quality control to ensure consistency and reliability for your formulations. We offer technical support to help you integrate this versatile monomer into your products effectively.

Technical Specifications (Typical Values)