Energy savings plus mechanical reinforcement and rheology control

Waterborne Acrylic Pressure Sensitive Adhesive for Film Labels (E)

Adhesives Formulation

Applicable Type

Waterborne Adhesives

Applicable Base Polymer

Acrylics & Acrylic Copolymers

Applicable Industrial Sectors

Labels / Signs / Decals

Applicable Base Polymer Properties

Acrylic emulsions offer a low cost adhesive with moderate performance properties. They are tremendously versatile due to the large number of different monomers and resins available. Acrylic waterborne laminating adhesives can provide bonds ranging from flexible and tough to hard and rigid depending on the formulation. Acrylic adhesives inherently have very good UV and oxidative stability and are generally preferred for outdoor applications.

Typical Formulation Ingredients

Ingredient

Parts by weight

2-ethyl hexyl acrylate filmic grade latex

28% NH4OH

xxx

Tackifier - 80°C hydrogenated rosin ester dispersion (Tacolyn 3400 from Eastman)

xxxx

Surfactant - 67% Surfynol PSA 336 (Air Products and Chemicals, Inc.)

xxx

Rheology modifier – 20% Polyphobe 104 (Dow Chemical)

xxx

180° peel strength on LDPE, lb/in

xxx

180° peel strength on HDPE, lb/in

xxx

(Source: Eastman Chemical)

Typical Properties

Properties

180° peel strength on LDPE, lb/in

xxx

180° peel strength on HDPE, lb/in

xxx

180° peel strength on stainless steel, lb/in

xxx

180° peel strength on glass, lb/in

xxx

Loop tack on LDPE, lb/in

xxx

Loop tack on HDPE, lb/in

xxx

Loop tack on stainless steel, lb/in

xxx

Processing

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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.

Tips and Tricks

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