Wacker VINNOL H14/36 VC/VAc Resin — Vinyl Chloride-Vinyl Acetate Binary Copolymer for Low-Viscosity Solvent-Based Coatings and Printing Inks
Wacker VINNOL H14/36 VC/VAc Resin — Vinyl Chloride-Vinyl Acetate Binary Copolymer for Low-Viscosity Solvent-Based Coatings and Printing Inks
Full name and product positioning
Product full name: Wacker VINNOL® H14/36 vinyl chloride-vinyl acetate binary copolymer resin
This grade is a vinyl chloride-vinyl acetate binary copolymer resin produced by Wacker using suspension polymerization, with a K value of 34–36, making it a low-molecular-weight, low-viscosity grade. It contains no carboxyl functional groups and adheres well to porous substrates such as paper and wood. The suspension process gives lower surface free energy. It is mainly used in solvent-based primers, gravure inks and barrier coating formulations.
Core technical parameters
|
Parameter |
Typical value / range |
|
Appearance |
White powder |
|
Vinyl chloride (VC) content |
Approx. 86 wt% (85.6 ± 1.0) |
|
Vinyl acetate (VAc) content |
Approx. 14 wt% (14.4 ± 1.0) |
|
Functional groups |
None (non-functionalized grade) |
|
K value |
34–36 |
|
Dynamic viscosity (20% MEK solution, 20 °C) |
10–16 mPa·s |
|
Chlorine content |
45.7–46.9 wt% |
|
Volatile content |
<1.0 wt% |
|
Flow time (20% MEK solution) |
Approx. 20 s |
|
Density |
1.36 g/cm³ |
|
Bulk density |
Approx. 750 kg/m³ |
|
Glass transition temperature (Tg) |
Approx. 69 °C |
|
Weight-average molecular weight (Mw) |
30,000–40,000 g/mol |
|
Particle size |
<1 mm |
|
Solubility |
Soluble in ketone and ester solvents; fast dissolution |
|
Packaging |
25 kg coated three-layer paper bag |
|
Food-contact compliance |
Complies with FDA 175.300 |
Core advantages
· Low-molecular-weight, low-viscosity grade with fast dissolution; at the same solids content the application viscosity is lower, helping to increase coating solids
· Suspension process gives lower surface free energy and a larger water contact angle, helping improve the hydrophobic performance of coatings
· Good adhesion to porous, absorbent substrates such as paper and wood; suitable as a primer or sealer binder
· Good resistance to oils, greases, dilute acids and alkalis and alcohol media, improving coating chemical resistance
· Fully compatible with other VINNOL® series resins, making it easy to adjust viscosity and flexibility by blending
Main application areas
· Core applications: solvent-based primers, gravure printing inks, barrier coatings, paper / wood sealer primers
· Suitable areas: inkjet printing coatings, anti-corrosion primer coats, film lamination coatings, strippable coatings, hot-stamping foil coatings
· Not recommended: applications requiring high adhesion to metal substrates when used alone (must be combined with carboxyl-containing M grades); long-term outdoor exposure systems without stabilizers; direct dispersion in waterborne systems