Abstract
The new thermally stable acrylic pressure sensitive adhesives (PSAs) were synthesized by pre-emulsion addition method, characterized by FT-IR spectra and differential scanning calorimetry (DSC), and evaluated their physical properties based on reactive emulsifiers and tackifiers. Experimental Tg of PSAs with different monomer compositions was similar to its theoretical values. The PSAs with reactive emulsifier showed higher mechanical and thermal properties than those with conventional emulsifier. The novel thermally stable acrylic PSA synthesized from 2-ethylhexyl acrylate (2-EHA) and butyl acrylate (BA) as main monomers, and methylmethacrylate (MMA) and acrylic acid (AAc) a cohesive monomer, and reactive emulsifier and tackifier, showed excellent physical properties such as initial, moisture and heat resistant peel strengths, which are considered to be one of the most important properties to be applied for liquid crystalline display (LCD) devices.
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