Mechanical Properties of Acrylic Pressure-Sensitive Adhesives Containing Functional Monomers

You, Ryong; Lee, Seo Ho; Park, Won Ho

doi:10.12772/tse.2016.53.347

Cited by 1 publication

(2 citation statements)

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“…The tack represents the initial instantaneous bonding force. The shear strength represents the cohesive strength of PSA resistance to creep and represents the elastic properties of PSAs [ 1 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

“…Acrylic PSAs are mainly synthesized from random copolymers containing monomers with low (butyl acrylate and 2-ethylhexyl acrylate) and high (methyl methacrylate and isobornyl acrylate) glass transition temperatures (T g ) [ 9 , 12 ]. Acrylic PSAs require chemical crosslinking because of their low cohesive strength, and they have the advantages of high transparency, water resistance, and controllable adhesive properties [ 6 , 13 , 14 ]. PU-based PSAs have the advantages of low toxicity and environmental friendliness and possess block copolymers of alternating soft and hard segments [ 10 , 15 ].…”

Section: Introductionmentioning

confidence: 99%

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Adhesion Improvement of Solvent-Free Pressure-Sensitive Adhesives by Semi-IPN Using Polyurethanes and Acrylic Polymers

Park

Lee

Yoon³

et al. 2022

Polymers

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To improve the peel strength and holding time of polypropylene glycol (PPG)-based pressure-sensitive adhesives (PSAs), a semi-interpenetrating polymer network (semi-IPN) was prepared using acrylic polymers. In addition, to prevent air pollution due to volatile organic compound emissions and avoid the degradation of physical properties due to a residual solvent, the PPG-based semi-IPN PSAs were fabricated by an eco-friendly solvent-free method using an acrylic monomer instead of an organic solvent. PPG-based semi-IPN PSAs with different hard segment contents (2.9–17.2%) were synthesized; their holding time was found to depend on the hard segment contents. The peel strength was improved because of the formation of the semi-IPN structure. Moreover, the high degree of hard domain formation in the semi-IPN PSA, derived from the increase in the hard segment content using a chain extender, resulted in a holding time improvement. We believe that the as-prepared PSAs can be used in various applications that require high creep resistance.

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Section: Introductionmentioning

confidence: 99%