Energy savings plus mechanical reinforcement and rheology control

Acrylic PSA for Self-Stick Carpet Tiles

Adhesives Formulation

Applicable Type

Solvent borne Adhesives , Acrylic Adhesives

Applicable Base Polymer

Acrylics & Acrylic Copolymers

Applicable Industrial Sectors

Carpet backing

Applicable Base Polymer Properties

Acrylic solvent solutions offer an adhesive with excellent overall performance properties. Acrylic resins are tremendously versatile due to the large number of different monomers and resins available. Acrylic 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. Solvent-based acrylic adhesives provide somewhat better chemical and heat resistance than water borne acrylics.

Typical Formulation Ingredients

Ingredient

Parts by weight

Synthacryl VSC 2291 (Hoechst)

xxxx

Alresen PT 214 (Hoechst)

xxx

Methyl ethyl ketone

xxxx

Toluene

xxxx

Aerosil 200

xxxxxxxxx

Calcium carbonate 10um

xxxxxxxxxxx

(Source: Pizzi, Handbook of Adhesive Technology, Marcel Dekker, p. 852)

Processing

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Resulting Properties

Acrylic solutions are used on a large scale for pressure sensitive adhesives. In order to have good peel strength to relatively non-smooth surfaces (such as carpet pads), a high viscosity product is required. In this formulation high viscosity and thick coating build is achieved by the addition of calcium carbonate and fumed silica.

Tips and Tricks

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