Abstract
Pressure sensitive adhesives (PSAs) are the adhesive materials that can provide strong adhesion to solid surfaces under a light contact pressure for a short time. A novel microemulsion polymerization was established to obtain high adhesion properties of PSA on the basis of poly (n-butyl acrylates) (PBA). Stable PBA microemulsion with high solids content had been synthesized. Z-average size could be smaller than 20nm with anionic emulsifier N4SES-AQ. FT-IR spectra showed that the C=C contained in monomers had gone through a reaction. The result of DSC testing showed that n-butyl acrylate (BA) and acrylic acid (AA) were well copolymerized. A good adhesion performance can be reached when N4SES-AQ is 0.5wt% and 180° peel strength could reach 680.1N/m. The PSA tapes produced from the resulting PBA microemulsion showed adhesion properties suitable for practical applications.
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