RESIN (POLYMER)

Eco-Friendly Waterborne Polyurethane Dispersion is a high-performance colloidal system in which polyurethane polymers are stably dispersed in water, serving as an ideal raw material for flexible packaging barrier coatings. This Waterborne Polyurethane Dispersion exhibits excellent oxygen barrier properties due to its unique molecular structure, effectively blocking gas permeation and extending the shelf life of packaged contents. Furthermore, it functions as a robust anchoring and protective layer for deposited aluminum or alumina layers in high-barrier film structures, enhancing adhesion and preventing metal layer oxidation or degradation. Specifically designed for flexible packaging barrier coatings, this eco-friendly Waterborne Polyurethane Dispersion replaces traditional solvent-based systems, significantly reducing VOC emissions while maintaining superior coating performance, mechanical flexibility, and resistance to delamination.

Hydroxyl-Functional Acrylic Resin has become a cornerstone in the development of advanced industrial coatings, offering a versatile and reliable solution for meeting the stringent performance demands of modern manufacturing. This type of resin is meticulously formulated to integrate seamlessly into various coating systems, with its unique chemical structure enabling exceptional compatibility with a wide range of crosslinking agents, additives, and solvents. Hydroxyl-Functional Acrylic Resin stands out for its ability to enhance key coating properties, making it a preferred choice for industries seeking durable, high-quality finishes that can withstand harsh operating environments.

Waterborne Polycarbonate PUD for Leather and Textile Surface Coating is a high-performance polyurethane dispersion designed to provide exceptional durability for eco-friendly coating systems. This Polycarbonate PUD forms a tough, flexible film through coalescence upon water evaporation, offering an environmentally compliant solution with low VOC content. The key properties of this Polycarbonate PUD, including superior hydrolysis resistance, excellent abrasion endurance, and soft handle, are achieved by incorporating robust polycarbonate segments into the polymer backbone. It is ideal for creating high-quality, long-lasting finishes on leather and textiles.

This product series focuses on high-performance Waterborne Polyurethane Resin, which is carefully developed to meet the diverse and strict needs of the printing and packaging industry. As an environmentally friendly material solution, Waterborne Polyurethane Resin not only delivers excellent performance in adhesion, flexibility, and durability but also fully complies with the strict regulatory standards for safety and environmental protection in printing and packaging applications, providing a reliable material choice for the industry.

Waterborne Acrylic Emulsion exemplified by the Advanced Superior Adhesion and Weatherability Waterborne Acrylic Emulsion developed by Runshine New Materials Co., Ltd., is a high-performance film-forming resin specifically designed for eco-friendly coating systems. It forms dense, continuous films through the coalescence of particles after water evaporation. Key properties of Waterborne Acrylic—including adhesion, hardness, chemical resistance, and long-term weatherability—are achieved through advanced molecular design and precise control of the glass transition temperature. Visually, Waterborne Acrylic presents a clear, colorless appearance, and its solid content can be adjusted according to specific formulation requirements to suit different application needs. It maintains stable performance under proper storage conditions for an extended period, and its viscosity and density are optimized to ensure compatibility with various coating preparation processes. As a versatile material, Waterborne Acrylic has different product variants that cater to diverse coating demands, each with tailored characteristics to adapt to specific application scenarios in printing and packaging.

Superior Hydrolysis and Abrasion Resistance Polycarbonate PUD is a high-performance polyurethane dispersion specifically designed for eco-friendly coating systems in leather and textile applications. As a Polycarbonate PUD, it forms durable films through a coalescence process upon water evaporation, offering an environmentally compliant solution with low VOC content and easy cleanup. This mechanism ensures the coating exhibits excellent recoatability, rapid drying, and superior resistance to hydrolysis and abrasion. The properties of this Polycarbonate PUD—including hydrolysis stability, abrasion resistance, flexibility, and adhesion—are achieved through advanced molecular design, which incorporates polycarbonate segments to enhance chemical integrity and mechanical strength. The Polycarbonate PUD is ideal for formulating high-durability coatings applied in leather finishes and textile coatings, providing long-lasting protection and performance.

Polyester resin is a synthetic polymer made via polycondensation of polybasic acids and polyhydric alcohols. Runshine offers a range of Polyester resin for industrial coatings, including high molecular weight solid, saturated, and unsaturated variants, each tailored to specific coating needs.​Key parameters of Polyester resin cover solid content, viscosity, hydroxyl value, acid value and density, all optimized for industrial coating performance.​Recommended solvents for Polyester resin include xylene, ethyl acetate, butyl acetate and MEK. It cures with isocyanates or amino resins for 2-pack polyurethane and industrial coatings, and has a 12-month shelf life when stored sealed at 5–35°C in a cool, dry, sun and moisture-free environment.

Runshine offers a variety of solvent-based polyester resins tailored for wood coatings, covering high molecular weight solid polyester resins, saturated polyester resins, and unsaturated polyester resins. These polyester resins deliver key properties like strong adhesion, flexibility, hardness, chemical resistance, and low-temperature adaptability, with unsaturated polyester resins featuring fast curing—all to meet diverse protective and decorative needs of wood substrates.

Advanced Superior Adhesion and Weatherability Waterborne Acrylic Emulsion is a high-performance resin specifically designed for eco-friendly coating systems. As a Waterborne Acrylic Emulsion, it forms films through a coalescence process upon water evaporation, providing an environmentally compliant solution with low VOC content and easy cleanup. This mechanism grants the coating outstanding recoatability, rapid drying, and superior resistance to yellowing. The properties of this Waterborne Acrylic Emulsion—including adhesion, hardness, chemical resistance, and long-term weatherability—are achieved through advanced molecular design and precise control of the glass transition temperature (Tg). The Waterborne Acrylic Emulsion is ideal for formulating high-durability coatings applied in architectural paints, wood finishes, metal protection, and exterior decorative systems.

Polyisocyanate hardener stands as a cornerstone in high-performance coating formulations, offering a wide array of options tailored to diverse application needs. Runshine New Materials (Foshan) Co., Ltd. specializes in producing various polyisocyanate hardeners, ranging from solvent-based to waterborne types, and including both blocked and unblocked variants. These hardeners, also known as crosslinkers, derive from different isocyanate monomers such as HDI, IPDI, TDI, and MDI, each bringing unique properties to meet specific coating requirements. What makes polyisocyanate hardener indispensable is its unique reactivity with polyols or other active hydrogen groups, which enables the formation of robust, crosslinked polymer networks—networks that underpin the durability and performance of the final coatings.

Universal High Performance Waterborne Polycarbonate PUD Dispersion delivers exceptional durability and chemical resistance across diverse applications. This advanced PUD utilizes a unique polycarbonate backbone to provide outstanding hydrolytic stability, UV resistance, and mechanical strength without solvents. The versatile PUD formulation ensures excellent adhesion to various substrates including plastics, metals, and composites, making this PUD ideal for demanding automotive, industrial, and consumer coating applications. With its eco-friendly profile and regulatory compliance, this dispersion represents the next generation of high-performance waterborne polyurethane technology.

Waterborne Polyurethane Resin is revolutionizing the packaging materials and ink sectors. It merges advanced formula design with excellent performance, laying a solid foundation for upgrading product quality in these fields. By utilizing water-based technology, it serves as an eco-friendly yet high-performance substitute, ensuring strong adhesion, great flexibility, and long-lasting durability in packaging and ink-related processes.