Waterborne polyurethane resin for pvc and pet films serves as the vital binder for overcoming common industrial coating challenges on non-porous plastic films, such as poor adhesion, ink flaking, and low optical gloss. Due to the low surface energy and unique chemical structures of PVC and PET films, conventional water-based resins frequently suffer from uneven color development, cracking, or inter-layer peeling.
To meet the rigorous demands of plastic film coatings and waterborne printing inks, Senova introduced RS-T3082 waterborne polyurethane resin for pvc and pet films. As an eco-friendly anionic waterborne polyurethane dispersion (PUD), RS-T3082 endows film substrates with exceptional adhesion, smooth high-gloss film formation, excellent flexibility, and superior water resistance. It is an ideal binder for high-quality water-based PVC inks and protective film coatings.
1. Why Choose RS-T3082 Waterborne Polyurethane Resin for PVC and PET Films?
While maintaining zero VOC emission compliance, RS-T3082 waterborne polyurethane resin for pvc and pet films delivers four core technical advantages for plastic film converting:
- ✨ Exceptional Adhesion to PVC and PET RS-T3082 features superior interface wetting and anchoring capabilities, providing high physical and chemical adhesion strength on difficult substrates like PVC and PET. This prevents ink flaking and peeling during printing and coating processes.
- 🎨 Smooth Film Formation & High Gloss Appearing as a translucent to semi-transparent white liquid with low viscosity (<150 mPa.s), this resin forms a smooth, high-gloss surface film that enhances print color saturation and image clarity.
- 💪 High Tensile Flexibility & Durability With an elongation at break of ＞ 400% e uma resistência à tração de 20-30MPa, the flexible resin matrix resists cracking during bending, stretching, or slitting, preserving coating integrity.
- 💧 Superior Water & Environmental Resistance Exhibiting a 24-hour water absorption rate as low as 3%-5%, the system can be upgraded for demanding water or chemical resistance requirements by adding 1%–5% curing agent to build a crosslinked network.
2. Principais cenários de aplicação
RS-T3082 waterborne polyurethane resin for pvc and pet films is widely utilized in industrial film-converting applications requiring high gloss, abrasion resistance, and strong substrate adhesion:
2.1 PVC & PET Waterborne Printing Inks
- PVC & PET Printing Inks: Specially designed for gravure and flexographic waterborne inks on PVC and PET films, imparting outstanding adhesion, scratch resistance, and sharp dot reproduction.
2.2 PVC Surface Protective Coatings & Varnishes
- PVC Film & Leather Topcoats: Functions as a protective overprint varnish (OPV), delivering a high-gloss, smooth-touch barrier with moisture and stain resistance.
2.3 Functional Coatings on Specialty Films
- Specialty PET/PVC Coatings: Suitable for protective, dust-proof, and wear-resistant coatings on specialty films while maintaining high substrate transparency and flexibility.
3. RS-T3082 Technical Data Sheet (TDS)
| Propriedades físicas e químicas (PDF) | Valores de especificações padrão (PDF) | Guia de Inscrição em PDF |
| Componente | Anionic water-based polyurethane dispersion | Compatibilidade: Anionic system; do NOT mix with non-anionic resins or adhesives of different properties. |
| Aparência | Líquido branco translúcido a semitransparente | Storage: Store at 5-30℃. Avoid freezing, high temperatures, and direct sunlight (12-month shelf life). |
| Conteúdo sólido | 35 ± 1% | Atualização de dois componentes: For extreme water resistance, add 1% to 5% curing agent and apply immediately after mixing. |
| Valor do pH | 6.0 - 8.0 | Reologia: Ultra-low viscosity (<150 mPa.s) provides levelling and high-pressure spray/coating adaptability. |
| Break Elongation | ＞400% | Substratos: Specially formulated for surface finishing and printing on PVC and PET films. |
| Resistência à tração | 20- 30MPa | Módulo |
| Absorção de água | 3%- 5%(24h, 25℃) | Viscosidade |
4. Pigment Dispersion Synergy & Formulation Support
When formulating waterborne color pastes or inks using waterborne polyurethane resin for pvc and pet films, pigment wetting and anti-settling control directly govern film gloss and adhesion performance.
To prevent pigment flocculation or settling during long-term storage, pair this resin with hyperdispersants, wetting agents, and defoamers from our sister site www.rk-chem.com. High-efficiency additives work synergistically with RS-T3082 to maximize color strength, flowability, and film adhesion.
Request a free lab testing sample of RS-T3082, a complete TDS document, or starting formulation support by contacting our technical engineers at senova-chem.com/contato.