Typical Formulation Ingredients
Ingredient
Parts by weight
Acronal A220 acrylic emulsion (60% solids)
Defoamer (e.g., Foamstar A10, Cognis)
Biocide
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Tackifiying agent (Permatac H 7710, Akzo Nobel)
Plasticizer (e.g., phthalate and adipate types)
Neutralizing agent (e.g., 10% NaOH)
Rheology modifier (e.g., Latekoll, BASF)
Typical Properties
180° peel strength on HDPE, lb/in
180° peel strength on Glad PE film, lb / in
180° peel strength on stainless steel, lb / in
180° peel strength on corrugated box, lb / in
Loop tack on stainless steel, lb/in
Loop tack on corrugated box, lb/in
Static shear strength, 0.5”x 0.5”, 0.5kg, 30 min dwell, min
Resulting Properties
The table above provides a typical starting formulation for a general purpose pressure sensitive acrylic adhesive. It is typically used for labels made of polymeric film that are used in packaging applications.