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RHC to Exhibit at Coating Korea 2025: Showcasing Innovations in UV Monomers for the Coatings Industry: March 26–28, 2025 | Songdo Convensia, Incheon         Runhe Chemical (Guangzhou), a leading manufacturer and supplier of high-quality UV monomers and oligomers, is excited to announce its participation as an exhibitor at Coating Korea 2025, taking place from March 26th to 28th, 2025, at Songdo Convensia in Incheon, Korea. The event will bring together professionals from the global coatings, ink, and paint industries, and RHC is proud to be part of this significant showcase of innovation and technology.       As a company specializing in the production of UV monomers, which are widely used in applications like inks, coatings, and UV-cured printing, RHC is at the forefront of driving solutions for enhanced performance, sustainability, and customization in the coatings industry. Our product range includes specialty UV monomers, EA, PA, PUA and other specialty oligomers, designed to meet the diverse needs of our customers in different sectors.        Our expert team, led by a PhD graduate from Tsinghua University, will be present at the event to discuss our latest product innovations and share insights into our customized formulation services. RHC works closely with clients to develop tailored solutions for specific applications, offering both off-the-shelf products and customized formulations to optimize performance and achieve superior results.       The coatings industry continues to evolve, with a growing demand for more sustainable and high-performance materials. UV monomers play a key role in the development of eco-friendly, fast-curing coatings, which help reduce energy consumption and minimize volatile organic compound (VOC) emissions. As part of our commitment to innovation, RHC will showcase products that contribute to the development of more efficient and environmentally responsible coatings.       We invite all attendees at Coating Korea 2025 to visit our booth and explore the full range of UV monomers and solutions we offer. Whether you're looking for off-the-shelf products or customized formulations, our team is eager to connect with you and discuss how we can support your next project.       For more information, please visit www.rhchems.com or contact us at info@rhchems.com.          

  Polyurethane acrylate oligomers are a class of materials that combine the properties of polyurethane and acrylic chemistry. These oligomers are typically used in coatings, adhesives, inks, and other applications where a combination of durability,flexibility, and UV resistance is desired. Here are some key points regarding polyurethane acrylate oligomers: Structure and Properties: Composition: Polyurethane acrylate oligomers are formed by the reaction of polyisocyanates with polyols, followed by the addition of acrylic groups. This results in a material that has both the toughness of polyurethane and the reactivity of acrylates. Versatility: They can be tailored to achieve specific properties such as hardness, flexibility, and chemical resistance by varying the types of polyols and isocyanates used in their synthesis. Cure Mechanism: These oligomers can be cured through UV light exposure (UV curing), which allows for rapid curing and the formation of a solid film. This is particularly advantageous in industrial applications where fast processing times are required.   Applications: Coatings: Used in protective coatings for wood, metal, and plastics, offering excellent adhesion, scratch resistance, and weatherability. Inks: Employed in printing inks, especially in flexographic and screen printing, where quick drying and durability are essential. Adhesives: Serve as binders in adhesives, providing strong bonds and resistance to environmental factors. 3D Printing: Used in photopolymer resins for additive manufacturing, where rapid curing and high-resolution printing are critical.   Advantages: Durability: High resistance to abrasion, chemicals, and environmental degradation. Flexibility: Can be formulated to be flexible or rigid depending on the application needs. Fast Curing: UV curing allows for quick processing, reducing production times. Customization: Properties can be tailored through formulation to meet specific performance requirements.   Considerations: Health and Safety: Some components used in the synthesis of polyurethane acrylate oligomers can be hazardous. Proper handling and safety measures should be observed. Environmental Impact: The environmental impact of these materials, especially regarding VOC emissions during application, should be considered.   In summary, polyurethane acrylate oligomers are versatile materials with a wide range of applications due to their unique combination of properties, making them valuable in many industrial sectors.

    "UV curing material" means"UV curing material". This kind of material will produce chemical reaction rapidly under the irradiation of ultraviolet ray, and change from liquid or semi-liquid state to solid state, which has the advantages of fast curing, low energy consumption and environmental protection.                                The following are some details about UV curing materials: component photoinitiator: this is the key component of UV curing materials, its function is to produce free radicals or cations under the irradiation of ultraviolet radiation, and other active substances, initiating polymerization reaction. Different types of photoinitiators have different UV absorption wavelength and initiation efficiency, need to be selected according to specific application needs. Monomers and oligomers: monomers are reactive small-molecule compounds, photoinitiators can be initiated in the reaction to participate in polymerization, the formation of polymer networks. Oligomers are prepolymers with high molecular weight, which have certain viscosity and reactivity and can affect the final properties of materials. Additives: in order to improve the performance of UV curing materials, but also add some additives, such as leveling agent, defoamer,stabilizer, etc.  Leveling agent can improve the coating performance and make the cured coating surface more smooth; defoamer can eliminate the bubbles in the material and improve quality of the coating; stabilizer can improve the storage stability of the material. Also, oligomers include the following types: epoxy acrylate,polyurethane acrylate and polyester acrylate.For more information please visit the product list homepage.

    There are three types of oligomers below: epoxy acrylate,polyurethane acrylate and polyester acrylate,and now, let's discuss the applications of the polyurethane acrylate type.Polyurethane adhesive is a kind of middle and high grade adhesive. It has excellent flexibility, impact resistance, chemical resistance,abrasion resistance and,most importantly, low temperature resistance. Because of its advantages, polyurethane adhesives are widely used in the following fields.                      Woodworking Industry   Oligomers Applications With the improvement of People's environmental awareness, the wood processing industry has gradually used new environmental protection polyurethane adhesives to replace the former formaldehyde-based urea-formaldehyde resin, in an effort to reduce environmental pollution. One-component moisture-curable polyurethane adhesives used in the woodworking industry are liquid and used at room temperature. It is usually of high bonding strength, good flexibility and water resistance, and can be bonded to many non-wood based materials (such as metals, plastics, rubber, etc.) . The dry and wet strength of one-component polyurethane adhesive was better than that of phenolic adhesive. The bonding strength can be improved by coating hydroxymethyl resorcinol (HMR) coupling agent on the surface of bonding substrate before bonding.     Shoemaking Industry   Oligomers Applications         Our country is always a big shoemaking country, and in recent years, the preparation technology of waterborne polyurethane is becoming mature. For some low-polarity shoe materials, such as SBS and other materials of bonding, the peel strength of polyurethane adhesive can not meet the requirements. The polyurethane shoe adhesive with high crystallinity, high crystallization speed, high cohesive strength and better peel strength can be developed by adding tackifying resin. Flexible Packaging  Oligomers Applications        Flexible packaging in the packaging industry has surpassed hard packaging in terms of its unique comprehensive properties, such as light weight, convenience, long shelf life, hygiene, easy storage and transportation, easy disassembly, less waste and good shelf life, such as plastic, glass bottles and cans. Because of its excellent properties, polyurethane adhesive can be bonded together with different properties of film materials to obtain cold-resistant, oil-resistant, drug-resistant, transparent, wear-resistant and other properties of the composite film for soft packaging. At present, in the domestic and foreign markets, polyurethane adhesive has become the main adhesive for the processing of composite film for soft packaging.