Intercol is a specialist in the vinyl acetate dispersion adhesive market. With a deep portfolio of Vinyl Acetate-Ethylene (VAE) I Polyvinyl Acetate (PVAc) with technical focus and “in house” specialties.
1. Core Technology Overview
The portfolio is primarily built on the polymerization of Vinyl Acetate Monomer (VAM). By introducing co-monomers, the properties of our adhesives are shifted from rigid/brittle to flexible/tacky.
| Technology | Full Name | Characteristics | Key Benefit |
| PVAc | Polyvinyl Acetate | Homopolymer; rigid, high Tg (approx. 30°C). | High strength, low cost, wood-to-wood bonding. |
| ZEA | Vinyl Acetate-Ethylene | Copolymer; ethylene acts as an “internal plasticizer.” | Permanent flexibility, low VOC, adhesion to non-polar surfaces. |
| EAF | VAc-Ethylene-Acrylate | Terpolymer; adds acrylic monomers to the VAE backbone. | Enhanced tack, better “quick stick” for labels/tapes. |
| Versatate | VAc-VeoVa | Copolymer with Vinyl Versatate (e.g., VeoVa 10). | High alkali resistance and superior water resistance (hydrophobicity). |
2. The VAE Specialists
Intercol is an absolute expert of VAE technology and operates under different brands like “superjet” and “woodtack” . Ourr portfolio is heavily optimized for sustainability and “clean” chemistry (low formaldehyde, APEO-free).
Key Product Ranges
- Standard VAE ( Superjet 284 ): The “workhorses” for paper packaging and wood film lamination.
- Self-Crosslinking (VA EN series): Used when high heat resistance or D3/D4 water resistance is required in woodworking.
- Pressure Sensitive (Acrylate, VAA series): Specifically for adhesives that need to stay tacky (tapes, floor coverings).
Strengths: Intercol is a market leader in VAE applications; extremely high consistency; specialized in “High Solids” dispersions (up to 62%) which allow for faster drying speeds in industrial lines.
3. PVAC market
Intercol also services traditional paper converting markets.
Key Product Ranges for core paper & packaging
- Wide range covering VAE, PVAc, and Vinyl-Acrylics. But also Vinyl Versatate technology, which is often used in construction and high-end coatings.
- Supertack: Specialized grades for “difficult-to-bond” substrates like treated films (BOPP, PET).
- 1KD4 Emulsion Polymer Isocyanate (EPI) systems for structural wood bonding.
Intercol offers a streamlined VINNAPAS range.
4. Application Breakdown of vinyl acetate dispersions
| Aplikacja | Technology Choice | Why? |
| Paper & Packaging | VAE (superjet series / ) | Fast setting speed and “clean” (food contact) profiles. |
| Woodworking (D3/D4) | PVAc + Crosslinker or VAE-Terpolymer | Needs high water and heat resistance. |
| Floor Coverings | VAE-Acrylate (VAA) | Needs “permanent tack” and high shear resistance to prevent carpet movement. |
| Film Lamination | VAE with high Ethylene content | Ethylene provides the “bite” into plastic films (PVC/PET). |
| Automobilowy | ZEA | Low emissions (VOC/Fogging) and good heat-aging properties. |
5. Summary: Strength vs. Weakness
General Vinyl Acetate Dispersions
- Overall Strengths: * Cost-Effective: Much cheaper than pure acrylics.
- Machinability: Excellent rheology for high-speed nozzle or roller application.
- Eco-friendly: Water-based, low odor, and usually plasticizer-free (for VAE).
- Overall Weaknesses:
- Water Sensitivity: Standard PVAc/VAE can re-emulsify if soaked in water for long periods (unless crosslinked).
- Alkali Resistance: Vinyl acetate backbones can undergo hydrolysis in very high pH environments (unlike Versatate or Acrylic-based polymers).
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