Energy savings plus mechanical reinforcement and rheology control

Solvent Borne SBC PSA Adhesive for Low Temperature (Label Formulation)

Adhesives Formulation

Applicable Type

Solvent borne Adhesives

Applicable Base Polymer

Styrene Block Copolymers, SBC (SBS, SEBS, SEPS, SIS)

Applicable Industrial Sectors

Industrial Assembly , Labels / Signs / Decals , Papers & Packagings

Applicable Base Polymer Properties

Styrene block copolymers (SBCs) offer cohesion, strength, and heat resistance for both pressures sensitive adhesives (PSAs) and non-pressure sensitive adhesives. The styrene phase forms a physically crosslinked network in the adhesive at room temperature. Of the SBCs, styrene butadiene styrene (SBS) has the highest shear strength and moderately good peel strength. Styrene isoprene styrene (SIS) has the highest peel strength although it is cohesively weaker than the SBS resins.

Typical Formulation Ingredients

Ingredient

Parts by weight

Styrene isoprene styrene copolymer

xxx

Tackifier (Wingtack 76)

Tackifier (Wingtack 10)

Antioxidant

xxx

Solvent

xxxxxxxxxxx

Processing

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Resulting Properties

The first formulation in the table above is for a label adhesive and the second formulation is for a tape adhesive. Styrene block copolymer type PSAs that can be applied either by hot melt application or solvent solution. The formulations are for a solvent borne system. With the appropriate solvents (hexane, MEK, toluene, acetone) a solution coating can be provided.