In textile thick-plate printing, garment printing pastes, and high-strength shoe material lamination, waterborne polyurethane dispersions (PUDs) have long presented formulators with a tough trade-off: balancing soft hand-feel with high mechanical strength. Achieving extreme tensile strength often results in a stiff, tacky film, whereas prioritizing softness typically compromises hydrolysis and wash resistance. Furthermore, conventional waterborne printing pastes frequently suffer from whitening, peeling, or delamination when exposed to repeated washing or boiling water.
Engineered specifically for demanding textile applications and footwear assembly, Senova developed RS-T24502 waterborne polyurethane resin for textile printing and shoe materials. As a 50% high-solid anionic waterborne polyurethane dispersion, RS-T24502 seamlessly combines exceptional tensile strength (≥40MPa), a soft tack-free touch, rapid elastic recovery, and superior hydrolysis resistance that withstands 100°C boiling water without whitening. It serves as a premium binder for high-performance textile pastes and footwear adhesives.
1. Why Choose RS-T24502 Waterborne Polyurethane Resin for Textile Printing and Shoe Materials?
While achieving zero VOC emission compliance, waterborne polyurethane resin for textile printing and shoe materials RS-T24502 offers four core technical advantages for textile and footwear manufacturing:
- 💪 50% High Solid Content & Superior Tensile Strength (≥40 MPa$) Formulated with a 50 ± 1% solid content, it accelerates drying times and forms a dense film matrix that delivers a high tensile strength of ≥ 40 MPa along with excellent bonding strength.
- ✨ Soft, Non-Tacky Feel with Fast Recovery Overcoming the stiffness of traditional high-strength resins, RS-T24502 produces a soft, tack-free surface film. It exhibits outstanding elasticity and rapid recovery rates, ensuring the coated fabric retains its original hand-feel without blocking or creasing under repeated stretching.
- 🌊 100°C Boiling Water Resistance (No Whitening) Offers remarkable hydrolysis and solvent resistance. The cured film withstands boiling water at 100℃ for 10 minutes without any obvious whitening, guaranteeing that garment prints retain their color saturation and bond durability through hot washing cycles.
- 🎨 Low Viscosity & Excellent Processing Adaptability Appearing as a milky white liquid with a blue light tint, its low viscosity of ≤ 500 mPa.s (25℃) ensures optimal levelling, smooth screen passage, and crisp dot reproduction during high-speed printing.
2. Principais cenários de aplicação
Waterborne polyurethane resin for textile printing and shoe materials RS-T24502 is tailored for industrial applications requiring extreme washability, hydrolysis resistance, and tensile durability:
2.1 Textile Thick-Plate Printing Pastes
- High-Density Garment Inks: Ideal for 3D thick-plate garment printing, high-elasticity textile pastes, and specialty apparel inks. Forms sharp, high-build edges that resist cracking during stretching or thermal washing.
2.2 Footwear Assembly & Leather Lamination
- Shoe Material Bonding & Coatings: Designed for high-strength bonding and coating on shoe textiles, natural leather, and synthetic substrates. Delivers strong green tack, high peel strength, and flex durability.
2.3 Specialty Textile Waterproofing & Protective Coatings
- Waterproof & Wear-Resistant Textile Finishes: Leverages its high tensile strength and hydrolysis resistance as a smooth, durable protective coating binder for outdoor performance wear and technical fabrics.
3. RS-T24502 Technical Data Sheet (TDS)
| Propriedades físicas e químicas (PDF) | Valores de especificações padrão (PDF) | Guia de Inscrição em PDF |
| Componente | Anionic water-based PUD | Compatibilidade: Anionic system; do NOT mix with non-anionic resins or adhesives of different properties. |
| Aparência | Líquido branco leitoso com brilho azul | Storage: Store between 5-30℃. Avoid freezing, high temperatures, and direct sunlight (12-month shelf life). |
| Conteúdo sólido | 50 ± 1% | Atualização de dois componentes: For extreme water resistance, add 1% to 5% water-dispersible curing agent and mix thoroughly before use. |
| Valor do pH | 6.0- 8.0 | Boiling Test: Cured film withstands 100℃ boiling water for 10 minutes without whitening. |
| Modulus (100%) | 6.0 -7.0MPa | Viscosidade (25 °C) |
| Resistência à tração | ≥ 40 MPa | Reologia: High solids with low viscosity; ideal for compounding thick pastes and automatic press lines. |
4. Formulation Synergy & Additive Optimization
When compounding high-performance printing pastes or shoe adhesives using waterborne polyurethane resin for textile printing and shoe materials, pigment dispersion stability and paste rheology play a key role in achieving smooth surface levelling and vibrant color yields.
To prevent pigment flocculation or settling during storage or high-shear screen printing, combine this resin with hyperdispersants, levelling agents, and thickeners from our sister site www.rk-chem.com. High-efficiency additives work synergistically with RS-T24502 to maximize optical clarity, surface smoothness, and bond fastness.
Request a free lab testing sample of RS-T24502, complete TDS documentation, or starting formulation support by reaching out to our technical team: senova-chem.com/contato.