EVA Hot Melt for Bookbinding

Typical Formulation Ingredients

Ingredient

Parts by weight

Ethylene vinyl acetate copolymer (28% vinyl acetate and melt index of 6)

xxxxx

Tackifier (Zonester 85 rosin ester, Arizona Chemical Company)

xxxxx

Antioxidant

xxxxxxx

(Source: Adhesives Formulary Handbook, NIIR Board, Asia Pacific Business Press, Inc., 2010, p. 248.)

Typical Properties

Properties

• Excellent flexibility

• Very strong adhesive bonding characteristics

• Provides the necessary mechanical properties for bookbinding applications

• Excellent compatibility

• Elongation greater than 100%

Processing

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Resulting Properties

Bookbinding applications are a primary market for hot-melt adhesives which are based predominantly on EVA copolymer resins. A tackified EVA is necessary for bonding substrates that have a relatively low surface energy. A starting formulation for a low cost, general purpose EVA hot melt formulation for bookbinding is given in the table above.

Tips and Tricks

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