Energy savings plus mechanical reinforcement and rheology control

Vinyl Acetate Acrylate Waterborne Adhesive with High Wet Tack

Adhesives Formulation

Applicable Type

Waterborne Adhesives

Applicable Base Polymer

Vinyl Acetate Ethylene Copolymers (VAE)

Applicable Industrial Sectors

Buildings & constructions

Applicable Base Polymer Properties

Vinyl acetate acrylic copolymer emulsions are designed for use in formulating high performance adhesives for several industries. It provides a high level of adhesion to a variety of difficult-to-bond surfaces including PVC and polyolefin films. These adhesives provide a low to medium performance relatively inexpensive adhesive that dries quickly.

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

Vinyl acetate acrylate emulsion (Gelva TS-100, Cytec Surface Specialties)

xxxx

Plasticizer (dibutyl phthalate)

xxxx

ASP-400 aluminum silicate

xxxx

Toluene

xxx

Water

xxx

Surface active wetting agent

xxx

Typical Properties

Properties

Total solids content, %

xxxx

Brookfield viscosity at 25°C. cps

xxxxx

Processing

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Resulting Properties

The low viscosity of the water emulsion and its fast setting capability provide an excellent adhesive for bonding for flexible construction material. The table above provides a formulation for a vinyl acetate acrylate copolymer adhesive that will provide an adhesive with high wet tack (leggy adhesive). The latex dries to a somewhat rubbery film by virtue of the flexible nature of the copolymer. The adhesive has good resistance to water and good adhesion to most substrates. It also has good low temperature flexibility.

This adhesive also has:

Good aging characteristics
Outstanding borax tolerance and solvent tolerance
Excellent film flexibility.

source

Vinyl Acetate Acrylate Waterborne Adhesive with High Wet Tack

Adhesives Formulary Handbook, NIIR Board, Asia Pacific Business Press, Inc., 2010, p. 95.)

Tips and Tricks

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