1、Tailored UV

In Fig. 6 we have visually compared commercial UV-curable resins (diacrylate ester of a bisphenol A epoxy resin) and our synthesized alkyd-based UV-curable resins ALO-A (1).

2、Journal of Applied Polymer Science

These findings offer valuable theoretical and practical insights for the formulation and application of UV-curable alkyd resins in advanced functional coatings.

3、Investigation of UV

The research reported here is focused on the development of UV-curable linseed alkyd coatings system with no VOC content, faster cure, and competitive coating properties. The main thrust was to propose a viable alternative to harmful cobalt-based drier curing of alkyds.

4、Investigation of UV

Among four UV-curable alkyd resin, acrylated medium linseed oil alkyd exhibited the best overall performance than other systems in terms of hardness, flexibility, and adhesion.

5、Utilization of liquid epoxidized natural rubber as prepolymer and

Reduction in UV curing time observed in rubber-incorporated alkyd coating. Rubber derivative served as attractive raw material in bio-based polymer synthesis. Innovation of new products from renewable resources are important for sustainable development.

Investigation of UV

In all four UV-curable alkyd resin systems, increasing reactive diluent content will enhance properties like tensile strength and modulus, hardness, and chemical resistance. However, there is a decrease in properties such as elongation at break, adhesion, and impact resistance.

UV Curing Technology: Applications, Resins & Adhesives

Explore UV curing technology including UV adhesives (CAS 55818-57-0), inks, and coatings. Learn their chemical basis, applications, and industry advantages.

Research Progress on Vegetable Oil

Based on its structural characteristics, vegetable oil has good application potential in the field of light-curing materials. Firstly, the double bonds on the molecular structure of vegetable oil can theoretically be directly cured by ultraviolet light or converted into epoxy groups for curing.

Pigment & Resin Technology Development of palm oil

Reports the effects of composition and curing temperature on the film properties of three water reducible enamels prepared from palm stearin alkyds. The properties studied were hardness, flexibility, and adhesion.

Environment

Two non-isocyanate polyurethanes (NIPUs) were used as reactive diluents for an alkyd to obtain eco-friendly new UV-curable alkyd-polyurethane coatings. A linseed-based alkyd resin was prepared and formulated with the reactive diluents (NIPUs) and free radical photoinitiator, and then UV-cured.

Alkyd Resins: A Key Player in UV Curing Technology

Alkyd resins, high-molecular-weight compounds synthesized from polyols and fatty acids, are widely utilized across various industries due to their excellent physical and chemical properties. Particularly in ultraviolet (UV) curing technology, alkyd resins play a critical role. This article explores their applications and significance in UV curing systems.

1. Introduction to UV Curing Technology

UV curing technology leverages ultraviolet light to initiate chemical reactions, enabling rapid solidification of liquid or powdered photosensitive materials. Widely applied in printing, coatings, adhesives, and electronic encapsulation, this technology offers advantages over traditional thermal curing, including solvent-free formulations, fast curing times, and environmental friendliness.

2. Roles of Alkyd Resins in UV Curing

1. Crosslinker: Alkyd resins act as essential crosslinkers in photocurable systems. Upon absorbing UV energy, they decompose to generate free radicals, initiating polymerization reactions that form a three-dimensional network structure, thus achieving material crosslinking and curing.

2. Accelerator: Active functional groups in alkyd resins, when exposed to UV light, enhance the reaction rate of photoinitiators, improving curing efficiency.

3. Plasticizer: Ester groups in alkyd resins increase flexibility and reduce the hardness of cured materials. By adjusting the type and ratio of alkyd resins, material properties can be precisely tailored.

4. Stabilizer: Functional groups such as hydroxyls in alkyd resins undergo UV-induced crosslinking, forming stable networks that prevent premature deactivation of photoinitiators, ensuring curing process stability.

3. Importance of Alkyd Resins in UV Curing

1. Enhanced Curing Speed: Alkyd resins significantly reduce curing time, boosting production efficiency. Their optimal fluidity also facilitates curing of complex shapes.

2. Improved Mechanical Properties: By modifying the type and formulation of alkyd resins, properties such as hardness, elasticity, and impact resistance of cured materials can be precisely controlled to meet diverse application needs.

3. Cost Efficiency: Compared to alternatives like epoxy or polyurethane crosslinkers, alkyd resins offer lower material costs, reducing overall product expenses.

4. Environmental Benefits: UV curing inherently avoids volatile organic compound (VOC) emissions. Alkyd resins further minimize hazardous byproducts, aligning with green manufacturing principles.

As a vital component in UV curing technology, alkyd resins not only accelerate curing processes but also enable optimization of material performance. With technological advancements and evolving market demands, the application of alkyd resins in UV curing is poised to expand, driving innovation and growth across related industries.