Energy savings plus mechanical reinforcement and rheology control

VAE Waterborne Adhesive for Bonding PVC

Adhesives Formulation

Applicable Type

Waterborne Adhesives

Applicable Base Polymer

Vinyl Acetate Ethylene Copolymers (VAE)

Applicable Industrial Sectors

Laminates , Papers & Packagings

Applicable Base Polymer Properties

Airflex 400 by Wacker is developed as a high-performance base for adhesives (polyvinyl alcohol protected emulsion). The dried adhesive film has toughness and flexibility. Shows good resistance to creep at elevated temperatures. Airflex 400 provides rapid setting speed, strong wet tack, good machinability.

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

Polyvinyl acetate ethylene latex (Airflex 400, Wacker)

xxxxxx

Plasticizer, dibutyl phthalate or Benzoate 9-88 (Eastman)

xxxx

Defoamer / dispersant (tributoxy ethyl phosphate)

xxxxxxxxxxx

Processing

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Resulting Properties

The low viscosity of the water emulsion and its fast setting capability provide an excellent adhesive for vinyl substrates. The table above provides a formulation for a VAE adhesive that will provide a fast set and high wet tack. The latex adhesive dries to a rubbery film by virtue of the flexible nature of the copolymer. The adhesive has good resistance to water and good adhesion to most substrates.

Tips and Tricks

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