Energy savings plus mechanical reinforcement and rheology control

Waterborne Acrylic PSA for Bonding PVC Film to Wood

Adhesives Formulation

Applicable Type

Waterborne Adhesives

Applicable Base Polymer

Acrylics & Acrylic Copolymers

Applicable Industrial Sectors

Buildings & constructions

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

Acrylic emulsion (Acronal 500D, BASF)

Dispersing and defoaming agent (Nopco NDW, Nopco)

xxx

Dibutyl phthalate plasticizer

xxx

Fumed silica rheology control agent (Aerosil 200, Evonik)

xxx

Precipitated chalk filler

Ammonia, 25%

xxx

Processing

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Resulting Properties

Particle board wood laminates decorated with a covering of polyvinyl chloride film are being used on a large scale in the production of furniture, wall components, etc. This is a large application for dispersions based on acrylic acid ester and their copolymers. The film normally contains 5-10% plasticizer. The adhesive must show resistance to low temperatures of approximately -20°C as well as resistance to the high temperatures of bonding (approximately 75°C).

Tips and Tricks

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