Eco-Friendly Waterborne Polyurethane Resin For Coating Applications

Runshine offers a comprehensive range of amino resins—also known as melamine-formaldehyde resins—valued for outstanding thermal, chemical and mechanical resistance. Compatible with acrylic, alkyd, polyester or epoxy systems, they produce high-performance baking finishes that cure to a hard, glossy, weather-stable film. Typical uses include primers and topcoats for automotive bodies, bicycle frames, computer housings, domestic appliances, industrial equipment and general metal ware. The portfolio covers butylated urea-formaldehyde, n-butyl-etherified and isobutylated grades, allowing formulators to optimize solubility, reactivity and film flexibility for any application.

Runshine Produce various Hydroxy acrylic resin from low OH to high OH, also known as hydroxyl-functional acrylic resin, is a versatile material that has gained significant attention in the two-component (2K) coating industry. These resins are characterized by the presence of hydroxyl groups in their molecular structure, which enable them to react with isocyanates to form highly durable and chemically resistant coatings. This reaction results in the formation of urethane bonds, which contribute to the coatings' superior performance. Hydroxy acrylic resins can be tailored to have varying hydroxyl contents, allowing them to be optimized for specific application

This solvent-based acrylic polyol resin provides stable adhesion, good gloss retention, and resistance to common chemicals and weathering. It is suitable for formulating 2K polyurethane coatings used in automotive, industrial, and protective applications.

Runshine Produce various water based Hydroxyl acrylic resin from low OH to high OH.Waterborne hydroxy acrylic resin is a water-based polymer containing hydroxyl groups, with low volatile organic compound (VOC) emissions, complying with strict environmental regulations. Secondly, it exhibits good film-forming properties. When formulated into coatings, it can form a continuous and uniform film, ensuring good coverage on various substrates.Hydroxyl Acrylic Polylol Dispersion unique structure enabling versatile applications.

Polyester resins including saturated polyester and unsaturated polyester, are essential components in the coatings industry. Their unique characteristics and versatility make them suitable for a wide range of applications on different substrates, from metal and wood to plastic..

Rnshine company produce Thermoplastic acrylic resins ,which dry solely by solvent evaporation, forming a film through chain entanglement. This mechanism provides exceptionally fast drying and recoating times. The coatings offer excellent durability, high gloss retention, and strong resistance to UV light and weathering. They are soluble in specific solvents, allowing for easy repair and touch-ups. Primarily used in industrial maintenance coatings and automotive refinishing, their performance is highly dependent on environmental conditions during application. A key limitation is their susceptibility to solvent attack after drying, as no crosslinking occurs.

Thermosetting acrylic resin is a high-performance polymer material renowned for its unique three-dimensional cross-linked network structure. Upon curing under specific conditions, it forms a hard, insoluble, and infusible coating that demonstrates exceptional heat resistance, excellent chemical corrosion resistance, and high surface hardness. It also exhibits strong adhesion to various substrates, including metals and plastics. Widely used in demanding industrial coating and adhesive applications, it significantly enhances product durability, aesthetic appeal, and overall quality, making it an ideal solution for diverse industrial requirements.

Hydroxyl-functional Acrylic Resins play an essential role in the coatings industry, serving as key components in two-component polyurethane (2K PU) systems. These resins contribute hydroxyl (-OH) groups that react with isocyanate crosslinkers to form durable, high-performance coatings. Runshine produces a comprehensive portfolio of acrylic polyols, categorized by hydroxyl value, molecular weight, solid content, and solvent type—including conventional solvent-borne, high-solids, and waterborne dispersions. Products are engineered to offer a balance of reactivity, compatibility, flexibility, and resistance properties, making them suitable for a wide spectrum of coating applications.

Runshine is leading manufacturer in the field of coating additives. With years of expertise, we produce a wide range of high - quality additives. Our product line includes various defoamers to eliminate foam during production, leveling agents for a smooth and even coating surface, dispersants to evenly disperse pigments, rheology additives for better viscosity control, and wetting agents to enhance substrate wetting.These additives are extensively used in the manufacturing of coatings and inks.

Thermosetting acrylic resins effectively enhance coating bond strength on metal (aluminum, steel, galvanized iron), plastic (PP, ABS, PVC), wood, and glass—they penetrate metal surface irregularities to form mechanical and chemical bonds, modify low-surface-energy plastics for better wettability, seep into wood fibers to prevent cracking from moisture changes, and react with glass hydroxyl groups for friction-resistant adhesion. As solvent-borne additives, they blend well with coating systems to form dense films; in automotive (car bodies, bumpers), industrial (machinery, pipelines), and decorative (furniture, architectural glass) applications, they ensure durable adhesion even under harsh conditions like road salt, acid-base corrosion, extreme temperatures (-40°C to 80°C), or outdoor UV and sand.

Hydroxyl-functional acrylic resins serve as essential components in modern coating formulations, providing critical performance characteristics for diverse industrial applications. Runshine manufactures a comprehensive range of these resins, engineered according to hydroxyl value, molecular weight, and compatibility—including solvent-borne, water-based, and high-solid types. These resins are designed to deliver excellent hardness, weathering resistance, and flow characteristics when crosslinked with polyisocyanates, making them ideal for automotive, industrial, plastic, and wood coatings requiring durable and high-gloss finishes.

 Runshine New Materials (Foshan) Co., Ltd.  manufactures a diverse portfolio of  Waterborne Polyurethane Resin categorized as aqueous polyurethane dispersions (PUDs) and polyurethane acrylates (PUAs), which are engineered from aliphatic isocyanates and formulated to be solvent-free or low in volatile organic compounds (VOCs)，exhibit excellent pigment wetting and stability, making them ideal for colored coatings and ink applications.Hgh performance water-based polyurethane resins are particularly suited for demanding industrial applications such as flexible packaging inks, metal decorative coatings, plastic coatings, and protective finishes where regulatory compliance and durability are paramount.

Our Water-soluble resin product line includes high-performance acrylic and polyester variants engineered for eco-friendly and efficient coating applications. These resins are designed to deliver excellent hydration, superior hardness, boiling water resistance, and outstanding recoating performance, making them ideal for a wide spectrum of industrial water-based coatings.  

Next-Gen Adhesion Promoter is a critical component formulated to address the unique challenges of modern high-solids and waterborne coating systems, ensuring superior substrate adhesion across a diverse range of demanding applications. This advanced promoter is engineered with a novel silane-based technology that functions through covalent bonding mechanisms, significantly enhancing the interfacial strength between the coating and difficult substrates such as plastics, treated metals, and composites. Its exceptional compatibility is demonstrated by effective performance in both polar waterborne lattices and high-solids polyol/acrylic formulations, preventing delamination and ensuring long-term durability. Key properties delivered include outstanding hydrolytic stability, excellent resistance to humidity, and improved mechanical integrity of the final film. Consequently, it is ideally suited for use in automotive OEM and refinish coatings, industrial maintenance paints, and plastic coatings where robust, permanent adhesion is a fundamental requirement for coating performance and service life.

Modified Polyether Amine Curing Agent for High-Performance Epoxy Coatings.This modified polyether amine curing agent is a key component designed for high-performance epoxy coating systems. It delivers enhanced flexibility, excellent chemical resistance, and outstanding adhesion to various substrates.With low-temperature curing capability and humidity resistance, it is especially suitable for challenging environments. The product enables the formulation of low-VOC, waterborne epoxy coatings that comply with international environmental regulations.Typical applications include industrial flooring, marine and protective coatings, automotive refinishes, and concrete waterproofing systems. It offers a balanced performance between durability and application efficiency, making it a reliable choice for modern sustainable coating solutions.

Industrial coating represents a sophisticated class of protective materials engineered through advanced polymer chemistry and cross-linking technologies. These high-performance formulations, such as epoxy and polyurethane systems, provide exceptional corrosion resistance, abrasion resistance, and chemical stability for metal and concrete substrates. The development and application of a modern industrial coating strictly adhere to international standards, including ISO 12944, ensuring long-term asset protection in aggressive environments. Ultimately, the selection of an appropriate industrial coating is critical for extending service life and minimizing maintenance costs in heavy industries.

Our thermal-setting acrylic resin products are designed to meet the high demands of industrial coating applications, especially in the fields of automotive machinery and anti-corrosion coatings. These resins play a crucial role in formulating high-performance industrial paints.

The thermoplastic acrylic resin products are designed to meet the diverse needs of the industrial coating industry. These resins are formulated with high - quality monomers, offering a range of properties that make them suitable for various applications, especially in industrial, automotive machinery, and anti - corrosion coatings, as well as in wood coatings.

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.

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.

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.