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Abstract

SPRINGER

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In the present study, solvent-based acrylic copolymers were successfully synthesized by solution polymerization using methyl allyl polyethylene glycols ether, acrylic acid, and 2-ethyl hexyl acrylate for the fabrication of high-performance pressure-sensitive adhesive tapes. Different techniques (NMR, FTIR, TGA/DTG, Contact Angles, PSAs Test) were used to characterize the physical and thermal properties of the copolymers. The obtained copolymers were investigated as a possible adhesive for permanent or removable applications such as security labels for power equipment, foil tape for HVAC ductwork, automotive interior trim assembly, and sound/vibration dampening films. When the contact angles of the synthesized copolymers were examined, it was observed that while the amount of acrylic acid in the copolymer content was constant, the contact angle increased with the increase in the percentage of HPEG. In addition, while the amount of HPEG was constant in the copolymers, it was observed that the contact angle decreased with the increase in the percentage of acrylic acid. As a result, it was determined that the obtained copolymers showed hydrophilic character and wetted the contact surface. When the thermal properties of the copolymers were examined, while the acrylic acid ratio was constant, the thermal stability increased with increasing HPEG amount. While the HPEG ratio is constant in the copolymer content, the decrease in thermal stability with increasing acrylic acid is thought to be due to decarboxylation. Also, 7% reduction in DTG curves is evidence of decarboxylation of copolymers. According to the results of the pressure-sensitive adhesive test, it was observed that the surface wetting degree of the copolymers changed in direct proportion to the amount of acrylic acid increased and inversely proportional to the amount of HPEG, and the potential of the adhesives obtained in addition to being high-performance pressure sensitive adhesive tapes.

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http://akademikarsiv.cbu.edu.tr:4000/handle/123456789/7183

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