Energy savings plus mechanical reinforcement and rheology control

Vinyl Acetate Acrylic Waterborne Adhesive for Book Cover Stock

Adhesives Formulation

Applicable Type

Waterborne Adhesives , Acrylic Adhesives

Applicable Base Polymer

Acrylics & Acrylic Copolymers

Applicable Industrial Sectors

Bookbinding / graphic art

Applicable Base Polymer Properties

Vinyl acetate acrylic copolymer emulsion is designed for use in formulating high performance adhesives for various industries. It provides a high level of adhesion to a variety of difficult-to-bond surfaces including polyolefin and PVC films. These copolymers deliver superior adhesion without the need for chlorinated solvents.

Typical Formulation Ingredients

Ingredient

Parts by weight

Vinyl acetate acrylic copolymer (Rovace RP-2931, Dow Chemical)

xxxx

Plasticizer (Santicizer 160, Eastman Chemical)

xxx

Butyl acetate

xxxx

Ethyl acetate

xxx

(Source: “Rovace HP-2931”, Dow Chemical)

Typical Properties

Properties

Viscosity at 25°C, cps

xxxx

Approximate total solids content, %

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 bookbinding cover stock. The table above provides a formulation for an adhesive that will provide a fast set that is suitable for bonding PVC and overprint varnish fabric cover materials. The latex adhesive dries to a somewhat rubbery film by virtue of the flexible nature of the copolymer.

Tips and Tricks

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