English
Español
tiếng việt
русский
High-solids, water-reducible acrylic resin for low-VOC coating formulations.
Excellent balance of hardness, flexibility, and chemical resistance in cured films.
Good compatibility with common crosslinkers including melamine formaldehyde and polyisocyanates.
Enhanced substrate wetting and flow characteristics for smooth, defect-free finishes.
Designed for ambient- or low-bake cure profiles, supporting energy-efficient manufacturing.
Industrial maintenance coatings for metal structures and equipment.
General-purpose coil coatings requiring good formability and corrosion resistance.
Refinish coatings for agricultural and construction machinery.
Waterborne primers and topcoats for metal substrates in architectural applications.
Functional coatings for appliances and office furniture requiring durability and aesthetics.
| Chemical Type | Acrylic copolymer |
| Product Form | Waterborne dispersion |
| Appearance | Opaque white to off-white liquid |
| Solids Content (wt%) | ~44% (as supplied) |
| pH | 7.5 – 8.5 |
| Viscosity (mPa·s, Brookfield RVT, #3 spindle, 20 rpm) | 100 – 500 |
| Density (g/cm³, 25°C) | ~1.02 |
| Key Features | Low VOC, high film integrity, excellent adhesion to pretreated metals |
Q1: What is the primary function of VIACRYL VSC 6276w/44WA in coating formulations?
A: VIACRYL VSC 6276w/44WA is a waterborne, vinyl-functional acrylic copolymer designed primarily as a reactive binder and crosslinking co-monomer for UV-curable and hybrid (UV/thermal) systems. It enhances film hardness, chemical resistance, and adhesion while maintaining good compatibility with acrylate monomers and oligomers.
Q2: Is VIACRYL VSC 6276w/44WA compatible with conventional free-radical UV curing chemistries?
A: Yes — it is specifically engineered to participate efficiently in free-radical photopolymerization. Its vinyl groups readily copolymerize with common acrylate monomers and oligomers under standard UV lamp output (e.g., medium-pressure mercury lamps), supporting rapid cure development and improved network formation.
Q3: How should VIACRYL VSC 6276w/44WA be incorporated into a formulation?
A: It is typically added during the liquid-phase mixing stage, either before or after other monomers/oligomers, depending on viscosity and stability requirements. Due to its waterborne nature, care should be taken to ensure full compatibility with hydrophobic components — gentle agitation and potential use of co-solvents or surfactants may be necessary for homogeneous dispersion.
Q4: Does VIACRYL VSC 6276w/44WA require thermal post-curing?
A: Thermal activation is not mandatory but can enhance final crosslink density and performance properties — especially in thick films or shadowed areas where UV penetration is limited. When used in hybrid systems, mild thermal treatment (e.g., 80–120 °C for several minutes) often improves substrate adhesion and solvent resistance.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
