Superior Hydrolysis and Abrasion Resistance Polycarbonate PUD For Leather and Textile Coating
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.
Item No :
Polycarbonate PUDApplication :
Suitable for leather and textile coatingSpecial Feature :
Hydrolysis resistance, abrasion resistance, eco-friendly, mechanical strength, adhesion, soft feel, chemical resistance, freeze-thaw stability, low MFFT, good compatibility.Product Overview
Runshine New Materials (Foshan) Co., Ltd. manufactures the Superior Hydrolysis and Abrasion Resistance Polycarbonate polyurethane dispersion(PUD), a high-performance polyurethane dispersion engineered specifically for next-generation eco-friendly coatings on leather and textiles. This advanced Polycarbonate PUD leverages a molecular structure incorporating hydrolytically stable polycarbonate segments to provide an unparalleled combination of abrasion resistance, flexibility, and durability—all delivered in a low-VOC, solvent-free aqueous platform. The film formation of this Polycarbonate PUD is achieved through particle coalescence following water evaporation, resulting in a tough, continuous, and highly resistant coating film. This mechanism endows the final product with key application benefits such as rapid drying, excellent intercoat adhesion, and long-term resistance to hydrolysis, scuffing, and degradation. The exceptional performance profile is attained through precise control over the polymer's hard and soft segments and the inherent stability of the polycarbonate chemistry, making this dispersion an ideal foundational base for formulating high-end, durable coatings for leather and textile applications that meet stringent global environmental regulations without compromising performance.
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Key Features
✧ Superior Hydrolysis Resistance – The Polycarbonate PUD utilizes hydrolytically stable polycarbonate segments within its polymer backbone, providing exceptional resistance to degradation caused by moisture, sweat, and cleaning agents, ensuring long-term durability for leather and textiles.
✧ Exceptional Abrasion Resistance – This Polycarbonate PUD delivers outstanding resistance to wear, scuffing, and scratching, making it ideal for high-traffic applications and extending the life of coated leather and textile products.
✧ Eco-Friendly Formulation – As a water-based dispersion, it is characterized by low VOC content, being solvent-free and compliant with stringent international environmental and safety regulations.
✧ Excellent Mechanical Properties – A balanced formulation provides an optimal combination of high tensile strength, flexibility, and elongation, allowing the coating to withstand repeated stretching and flexing without cracking.
✧ Outstanding Adhesion – The Polycarbonate PUD exhibits strong adhesion to various leather substrates and synthetic textiles, ensuring the coating remains firmly bonded under mechanical stress.
✧ Good Soft Feel and Hand – Coatings formulated with this dispersion can achieve a desirable, soft tactile sensation, which is a critical requirement for many leather and textile finishing applications.
✧ High Chemical Resistance – The dense film structure offers excellent resistance to oils, greases, and common household chemicals, protecting the underlying material from stains and damage.
✧ Good Freeze-Thaw Stability – The advanced dispersion technology ensures product stability survives multiple freeze-thaw cycles, facilitating storage and handling in various climates.
✧ Low Minimum Film Formation Temperature (MFFT) – Enables efficient film formation at relatively low temperatures, which is advantageous for energy-saving production processes and application on heat-sensitive materials.
✧ Good Compatibility – This Polycarbonate PUD demonstrates broad compatibility with various matting agents, thickeners, and other additives commonly used in leather and textile coating formulations, offering formulators significant flexibility.
| 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
Our Superior Hydrolysis and Abrasion Resistance Polycarbonate PUD delivers premium performance in leather and textile coating applications through its exceptional durability and environmental compliance.
◊ High-Performance Automotive Interior Leather Coatings - This Polycarbonate PUD provides outstanding resistance to abrasion, sweat, and cleaning agents, ensuring long-lasting aesthetics and functionality for car seats, steering wheels, and interior trim.
◊ Durable Upholstery and Furniture Leather Finishes - Offers superior hydrolysis stability and wear resistance for sofas, chairs, and other furniture, maintaining soft feel and appearance after repeated use.
◊ Abrasion-Resistant Synthetic Leather Coatings - Ensures excellent mechanical strength and flexibility for PU/PVC synthetic leather used in bags, shoes, and sporting goods.
◊ Protective and Functional Textile Coatings - The Polycarbonate PUD demonstrates remarkable adhesion to various fabrics, providing a durable, flexible film for outdoor gear, technical apparel, and industrial textiles that require resistance to washing and friction.
◊ Luxury Handbag and Footwear Finishes - Provides enhanced scratch resistance and hydrolysis protection for high-end leather goods, preserving their quality and appearance over time.

Benefits

1. Exceptional Durability
Superior hydrolysis resistance is achieved by incorporating stable polycarbonate
segments into the polymer backbone of this Polycarbonate PUD,
effectively resisting degradation from moisture and sweat.
Outstanding abrasion and scratch resistance ensure long-term aesthetic
and functional integrity of coated leather and textiles.
2. Environmental and Safety Compliance
Low-VOC, solvent-free, and non-flammable aqueous dispersion that
meets stringent global regulatory standards (REACH, EPA).
APEO-free formulation ensures an eco-friendly and safe profile for
consumer goods applications.
3. Superior Mechanical and Tactile Properties
Provides an optimal balance of high tensile strength, flexibility, and
elongation, preventing film cracking under stress.
Capable of delivering a soft, pleasing hand feel, which is a critical
requirement for high-quality leather and textile finishes.
4. Application Versatility and Performance
Exhibits excellent adhesion to a wide range of leather types and
synthetic textiles without the need for primers.
The Polycarbonate PUD demonstrates good compatibility with
common additives and offers excellent storage stability for reliable processing.
This Polycarbonate PUD is specifically engineered for:
High-performance automotive interior leather coatings
Durable upholstery and fashion leather finishes
Abrasion-resistant synthetic leather and functional textile coatings


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