Energy savings plus mechanical reinforcement and rheology control

Waterborne Plasticized PVAc and VAE Adhesives (B)

Adhesives Formulation

Applicable Type

Waterborne Adhesives

Applicable Base Polymer

Vinyl Acetate Ethylene Copolymers (VAE)

Applicable Industrial Sectors

Buildings & constructions , Industrial Assembly , Papers & Packagings

Applicable Base Polymer Properties

Waterborne vinyl acetate adhesives for packaging applications have relatively good flexibility and low temperature properties (by virtue of added plasticizers) and excellent adhesion to paper. These adhesives provide a low to medium performance relatively inexpensive adhesive that dries quickly. Waterborne VAE adhesives provide better flexibility and peel strength, but reduced temperature resistance.

Typical Formulation Ingredients

Phase

Ingredient

Parts by weight

VAE copolymer emulsion (Tg of 0°C)

xxxx

Dipropylene glycol dibenzoate plasticizer

xxxx

12% PVOH solution

xxxx

Water

xxxx

Surfactant

xxx

Biocide

xxx

Defoamer

xxx

Typical Properties

Properties

Viscosity, cps, after 24 hrs

xxxx

Set time, secs

xxx

Open time, secs

xxx

Adhesion to Uncoated cardboard

xxxxxxxxx

Adhesion to Inked cardboard

xxxxxxxxx

Adhesion to Varnished cardboard

xxxxxxxxx

Adhesion to Clay coated cardboard

xxxxxxxxx

Processing

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Resulting Properties

These formulations have excellent low temperature flexibility and good aging characteristics. They have excellent adhesive properties for some of the more difficult to bond plastic films used in the packaging and converting fields.

Tips and Tricks

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