Product Overview
This Water-borne Polycarbonate Polyurethane Dispersion for Leather and Textile Surface Coating is a premium-grade aqueous polymer engineered to meet the exacting demands of modern, sustainable coating formulations. Its core technology is built upon a polymer backbone derived from inherently stable polycarbonate macrodiols, which fundamentally outperforms conventional polyester and polyether-based alternatives. The defining characteristic of this Water-borne Polycarbonate Polyurethane Dispersion is its unparalleled resistance to hydrolysis, UV radiation, and chemical attack, ensuring the long-term integrity and appearance of coated surfaces even under harsh environmental conditions. It forms a highly cohesive, flexible film through an efficient coalescence process, endowing leather and textile substrates with a superior combination of a supple hand feel, exceptional abrasion resistance, and enduring mechanical strength. As a cornerstone for high-performance applications, this Water-borne Polycarbonate Polyurethane Dispersion is ideally suited for creating next-generation coatings in sectors such as automotive interiors, luxury goods, and technical apparel, all while adhering to the most stringent global regulations for low VOC and APEO-free compositions.
Water-borne Polycarbonate Polyurethane Dispersion
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Key Features
- Outstanding Hydrolytic Resistance – The saturated polycarbonate backbone within this Water-borne Polycarbonate Polyurethane Dispersion is inherently resistant to scission by moisture and microbes, ensuring long-term film integrity and preventing degradation or tackiness in demanding environments exposed to humidity, perspiration, or frequent cleaning.
- Remarkable Abrasion and Mar Resistance – A dense, cross-linked film structure provides exceptional defense against mechanical wear, scuffing, and surface marring, thereby significantly enhancing the durability and service life of high-traffic items such as automotive upholstery and luxury luggage.
- Inherent Flexibility and Toughness – A meticulously engineered polymer architecture delivers an optimal balance of high tensile strength and elongation, enabling the coating to withstand repeated flexing, creasing, and stretching without cracking, thus maintaining both protection and comfort.
- Eco-Compliant Aqueous Platform – As a true water-borne system, this dispersion is formulated without organic solvents, features negligible VOC content, and complies with stringent international environmental and safety standards such as REACH and OEKO-TEX®, supporting sustainable manufacturing.
- Superior Chemical and Stain Resistance – The formation of a dense, hydrophobic surface film offers excellent resistance to oils, greases, and common household chemicals, facilitating easy cleaning and maintenance while preserving the aesthetic quality of the coated material.
- Excellent UV and Thermal Stability – The chemically saturated structure of the polycarbonate backbone provides superior resistance to UV-induced degradation and thermal oxidation compared to aromatic PUDs, effectively minimizing discoloration and embrittlement over time to preserve appearance.
- Broad Formulation Compatibility – This Water-borne Polycarbonate Polyurethane Dispersion demonstrates excellent compatibility with a wide range of additives, including crosslinkers, wetting agents, and thickeners, offering formulators extensive latitude to tailor performance and processing characteristics for specific applications.
- Persistent Substrate Adhesion – It exhibits strong and durable adhesion to various challenging substrates, including full-grain leather, synthetic leathers (PU/PVC), and numerous textiles, ensuring reliable coating performance and preventing delamination throughout the product's lifecycle.
- Premium Aesthetic and Hand Feel – The technology behind this Water-borne Polycarbonate Polyurethane Dispersion imparts a soft, supple, and natural tactile sensation to the coated surface, a critical quality attribute for high-end leather finishing and premium apparel coatings.
| Parameter |
Typical Value |
Unit |
Notes |
| Viscosity (25°C, Brookfield RV) |
200-20000 |
mPa·s |
Spindle 3, 20 rpm |
| Soild Content |
（30-32）±1 |
% |
/ |
| pH Value |
7.0-9.0 |
– |
/ |
| Shelf Life |
12 |
months |
Stored in sealed containers at 5–35°C |
| Storage |
Cool, dry place |
– |
Avoid direct sunlight and moisture |
| Parameter |
Typical Value |
| Apprearance |
Milky white |
| Modulus(Mpa) |
4.5-6 |
| Elongation% |
≥450 |
| Tensile Srtrength(Mpa) |
≥35 |
Applications
The Water-borne Polycarbonate Polyurethane Dispersion for Leather and Textile Surface Coating enables the development of high-performance, durable, and sustainable finishes across a diverse range of demanding sectors, leveraging its unique balance of chemical resistance and mechanical robustness.
◊ Automotive Interior Surfaces – This Water-borne Polycarbonate Polyurethane Dispersion is ideally suited for coating leather and synthetic fabric seats, steering wheels, and dashboards, providing exceptional resistance to abrasion, sweat, UV radiation, and common cleaning agents, thereby ensuring long-term aesthetic and functional integrity.
◊ High-Performance Footwear and Sports Gear – It serves as an ideal coating for synthetic leather and textile components in athletic shoes and sports equipment, offering outstanding flexibility, abrasion resistance, and resilience to hydrolysis from perspiration, thus ensuring durability under sustained mechanical stress.
◊ Luxury Furniture and Upholstery – For sofas, chairs, and other high-end furniture, the dispersion delivers superior hydrolysis stability and wear resistance, maintaining a luxurious hand feel and appearance even after years of frequent use, while complying with indoor air quality standards.
◊ Technical and Outdoor Apparel – This Water-borne Polycarbonate Polyurethane Dispersion forms durable, water-resistant yet breathable coatings on functional textiles for outdoor jackets and tactical wear, demonstrating strong adhesion to nylon and polyester substrates with excellent resistance to washing and friction.
◊ Fashion Leather Goods and Accessories – It ensures enhanced scratch resistance, anti-yellowing properties, and overall durability for handbags, wallets, and belts, effectively preserving their premium quality and appearance against daily handling and environmental exposure.
◊ Smart Textiles and Wearable Technology – The dispersion provides durable, flexible, and biocompatible coatings for smart garment integrations and wearable device straps, offering excellent adhesion and resistance to sweat, oils, and repeated friction while maintaining user comfort and signal transparency.
Benefits
Key Traits: Excellent hydrolysis resistance; superior abrasion endurance; inherent flexibility; eco-compliant aqueous formulation
Primary Benefits:
Ensures Long-Term Durability in Demanding Environments – The unique polycarbonate backbone of this Water-borne Polycarbonate Polyurethane Dispersion provides exceptional resistance to hydrolysis, UV radiation, and chemical attack, preserving the coating's integrity and appearance against degradation from moisture, sweat, and cleaning agents.
Delivers a Superior Combination of Toughness and Flexibility – It forms a highly cohesive film that offers outstanding resistance to abrasion, scuffing, and repeated flexing, significantly extending the functional lifespan of coated leather and textile products.
Provides an Eco-Compliant Solution Without Compromising Performance – As a solvent-free, low-VOC dispersion, this Water-borne Polycarbonate Polyurethane Dispersion meets stringent global environmental regulations, enabling the formulation of sustainable coatings that satisfy modern safety and sustainability demands.
Facilitates Robust Adhesion and Formulation Versatility – This Water-borne Polycarbonate Polyurethane Dispersion exhibits excellent adhesion to various challenging substrates and demonstrates broad compatibility with common additives, allowing formulators to tailor key properties for specific end-use requirements.
Imparts a Premium Aesthetic and Hand Feel – The coating achieves a desirable balance of a soft, supple tactile sensation with high surface durability, a critical benefit for enhancing the perceived value and quality of luxury leather goods and high-end apparel.
