METHOD FOR SYNTHESIZING ACRYL EMULSION ADHESIVES FROM 2-ETHYLHEXYL ACRYLATE AND BUTYL ACRYLATE MONOMERS

摘要

Butyl acrylate (BA) mixed in the range of 15.5 to 24.9 parts by weight relative to 2-EHA (2-ethylhexyl acrylate) and 100 parts by weight of 2-EHA for about 3 hours at a polymerization temperature of 70 to 75 ℃ The monomer is emulsified by dropwise addition of water and an emulsifier as a dispersion medium together with a nonionic / anionic mixed emulsifier in the range of 0.9 to 3.2% by weight based on the weight of the total reactants, followed by dilution with an alcoholic solvent. By using water instead of organic solvents such as toluene and xylene used in solution polymerization by the method of synthesizing the water-dispersible acrylic emulsion adhesive, it is possible to remove the harmful elements to pollution and human body and to synthesize the environmentally friendly acrylic emulsion adhesive. It is possible to increase the water resistance than the conventional acrylic emulsion pressure-sensitive adhesive and to compensate for the problem of poor viscosity compared to solution polymerization, Acrylic emulsion pressure sensitive adhesives can be synthesized without dilution with alcoholic solvents.;Acrylic Emulsion Adhesive, Synthetic, Alcoholic Solvent Dilution, EHA, BA, Mixed Emulsifier