• Resin vs Dispersion vs Emulsion - Waterborne Polyurethane Manufacturer
    Resin vs Dispersion vs Emulsion - Waterborne Polyurethane Manufacturer

    2025-11-07

    【Introduction】 In industries such as coatings, adhesives, leather finishing, and textile processing, the terms "resin," "dispersion," and "emulsion" appear frequently, often confusing newcomers. As a manufacturer with many years of experience in the waterborne polyurethane field, we understand that understanding the differences between these fundamental concepts is crucial for material selection, formulation design, and even the performance of the final product. Core Viewpoint: They are all "polymer materials," the difference lies in their "form of existence"! Key Differences Overview: Characteristics Resin Dispersion Emulsion Essential state "Fuel core polymer" for solid/high-viscosity liquids The polymer particles are small, highly dispersed, and stably suspended in water. The polymer droplets are relatively large and require emulsifiers to encapsulate and stabilize them in water. Particle size range 0.01 - 0.5 micrometers (nanometers/submicrometers) 0.1 - 10 micrometers Appearance Solids or viscous liquids (non-water soluble / dispersible) Translucent, blue light, slightly milky white Milky white and opaque Stability mechanism        Ionic/nonionic self-stabilizing (relying on hydrophilic groups on the molecular chain, requiring little or no emulsifiers). Relying on the addition of large amounts of surfactants/emulsifiers Film forming properties Films need to be dissolved in a solvent or converted into a water-based system to form. The film is dense, smooth, high-gloss, and exhibits excellent water resistance, chemical resistance, and mechanical properties. There may be surfactant residue, which may affect water resistance/chemical resistance/gloss/transparency. Environmental protection Oil-based resins contain VOCs, while water-based resins can be further formulated into water-based systems. Extremely low or no VOCs, the most environmentally friendly Relatively low in VOCs (but contains emulsifiers) Main advantages The starting point of performance design High performance and environmental friendliness combined (green first choice) Relatively low cost, easy to produce, and quick to dry. Main limitations Water-based systems typically require solvent dissolution or complex processes to be formulated. Relatively high cost (high technical content) Performance is limited (due to emulsifier residue). Typical Representative PU prepolymer (solid PU granules/blocks/solution) Waterborne polyurethane dispersion Acrylic emulsions, styrene-acrylic emulsions, and some low-end modified PU emulsions If you are looking for high performance, ultimate environmental friendliness, and insights into the future development of materials, then waterborne polyurethane dispersions are an indispensable choice. 【Conclusion】 Understanding the definitions and differences between resins, dispersions, and emulsions is the crucial first step in accurate material selection and optimized application. As a professional waterborne polyurethane manufacture...

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  • High-Fullness Waterborne Wood Coating | Sinograce Chemical's Waterborne Polyurethane for Wood Finishing
    High-Fullness Waterborne Wood Coating | Sinograce Chemical's Waterborne Polyurethane for Wood Finishing

    2025-11-06

    Wooden furniture and home décor are standard features of light luxury and high-end interior design styles. A glossy finish on wood creates a bright and luxurious feel, making the space feel fuller and showcasing style and taste. Whether it's dining tables, chairs, cabinets, or wooden furniture and home décor such as floors, doors, and screens, this full and glossy appearance is thanks to the top-coating wood coating. Waterborne Polyurethane for Wood Finishing With the improvement of people's living standards and increased environmental awareness, in terms of home decoration, in addition to personal needs for aesthetics and practicality, there is a higher pursuit of environmentally friendly, healthy, and pollution-free living environments. Addressing the above needs and pain points in furniture and home décor, Anhui Sinograce Chemical team has made forward-looking product innovations through leading technology, improving and launching a high-fullness waterborne polyurethane, providing a high-performance and more environmentally friendly top-coating solution for high-end wooden furniture and home décor. Product Features 1. High hardness, smooth feel; 2. High gloss, high transparency, full film formation; 3. Good weather resistance, scratch resistance, excellent alcohol resistance and abrasion resistance; 4. Free of APEO, NMP, and tin-based substances. Applications ● Wood coating topcoat ● Plastic coating topcoat ● Metal coating topcoat Product Parameters If you need product samples or technical consultation, please contact us and we will follow up with you promptly. Polyurethane emulsion for wood, with good versatility and workability. Used in combination with polyurethane curing agents to prepare metal, floor, and wood coatings. Fast drying speed, high gloss, high hardness, good water resistance, and good chemical resistance.

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  • What are the advantages of using water-based polyurethane for fabric coating
    What are the advantages of using water-based polyurethane for fabric coating

    2025-11-04

    Fabric coating is a processing technology developed in textile finishing because it can give fabrics various functions, unique style, feel, and appearance, and increase product added value. Therefore, coated textile products are constantly emerging internationally, and their application fields are becoming increasingly wide. The low-temperature resistance, high elasticity, and high modulus of polyurethane coating agents are its most prominent characteristics. However, most polyurethane coating agents are solvent-based, and two-component solvent-based polyurethanes offer better performance. With increasing environmental awareness and the improvement of environmental laws and regulations, waterborne polyurethanes replacing solvent-based polyurethanes has become an inevitable trend. Waterborne polyurethanes exhibit good adhesion to various substrates, providing fabrics with a soft and full hand feel and leather-like texture, abrasion resistance, wrinkle resistance, shrinkage prevention, resilience, flexibility, breathability, and moisture absorption. Adjusting the polyurethane polymer structure can also be used for waterproofing, oil resistance, stain resistance, and anti-pilling finishing of fabrics. It can be used as a durable setting agent, anti-wrinkle and shrinkage agent, abrasion-resistant agent, hand feel improver, imitation leather finishing agent, and multi-purpose adhesive. In addition to the above advantages, waterborne polyurethanes can be widely combined with other waterborne or emulsion resins or additives, such as waterborne formaldehyde resins, epoxy resins, alkyd resins, acrylic resins, silicone resins, fluoropolymers, rubber latexes, paste resins, and other resins. By employing blending methods, polymer "alloys" can be prepared, leveraging the advantages of different materials while effectively reducing costs, yielding unexpectedly positive results. Sinograce Chemical produces polyurethane resin emulsions for the textile industry. Inquiries are welcome.

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  • Performance, Processing, and Application Prospects of Waterborne Polyurethane in Functional Fabric Coatings
    Performance, Processing, and Application Prospects of Waterborne Polyurethane in Functional Fabric Coatings

    2025-11-01

    01. In the textile industry, fabric coating finishing technology is one of the important processes for improving fabric performance and expanding its application range. Waterborne polyurethane (WPU), with its excellent film-forming properties, good flexibility, and stable chemical characteristics, is gradually becoming one of the core materials in this field. This article will systematically introduce the main characteristics, commonly used processing methods, and innovative applications of waterborne polyurethane in fabric coating finishing, as well as its application in functional textiles. 02. Waterborne polyurethane coatings possess several excellent physical properties. The resulting coating film exhibits high flexibility, resisting cracking even when the fabric is bent or stretched. Through reasonable formulation design, this coating can also demonstrate good water resistance and chemical resistance, effectively extending the fabric's service life. Simultaneously, the microporous structure formed by waterborne polyurethane balances air permeability and moisture permeability, allowing the coated fabric to maintain comfort while possessing functionality. 03. In terms of functional customization, waterborne polyurethane coatings demonstrate strong flexibility. By adding nanomaterials such as TiO₂ or silver ions, as well as various functional additives, fabrics can be endowed with additional properties such as antibacterial, UV resistance, or flame retardancy. The coating thickness, gloss effect (matte or high gloss), and surface texture can also be adjusted according to requirements to meet diverse product design needs. 04. Waterborne polyurethane coating technology is highly adaptable and can bond well with a variety of textile substrates, including natural or synthetic fibers such as cotton, polyester, nylon, and silk, and even nonwoven fabrics. In terms of processing methods, it can be combined with traditional textile coating processes such as padding, spraying, and coating, facilitating large-scale application on existing production lines.

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