Structural Acrylic Adhesives: A Critical Review

Aronovich, D. A.; Бойнович, Л. Б.

doi:10.1002/9781119846703.ch15

Cited by 7 publications

(9 citation statements)

References 75 publications

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“…Acrylic adhesives are widely used in the car manufacturing, shipbuilding, and mechanical engineering industries. 1 Such a wide application is due to a good set of properties of acrylic adhesives. They have high chemical resistance (which resistance is as good as epoxy and urethane adhesives 2 ), high curing rate, high adhesion, resistance to impact, peeling, and shear of the adhesive joint and have a greater yield strength at the temperatures under 273 K as compared to epoxy adhesives.…”

Section: Introductionmentioning

confidence: 99%

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Kinetics of Methyl Methacrylate Polymerization in the Presence of Initiating Systems “Peroxide + Zirconocene Dichloride” When the Methyl Methacrylate Adhesive is Cured

Tereshchenko,

Shiyan,

Osipov

et al. 2024

Ind. Eng. Chem. Res.

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A kinetic model of the curing of methyl methacrylate adhesive (including nanocomposite methyl methacrylate adhesive) in the presence of the initiating systems "aryl peroxide + zirconocene dichloride" and "aryl hydroperoxide + zirconocene dichloride" is made. Computational experiments have been carried out which demonstrate the relationship of the curing rate with the curing temperature in the range of 323−343 K and with the ratio of the initial concentration of zirconocene dichloride to the initial concentration of the initiator [Mc] 0 /[I] 0 for the following initiators: benzoyl peroxide (PB), ethylbenzene hydroperoxide (HPEB), and ethylbenzene hydroperoxide adduct with cadmium 2-ethyl hexanoate [HPEB•Cd(EH) 2 ]. It is shown that in order to increase the curing rate of the adhesive, curing should be carried out at a higher temperature (343 K) and at a higher value of the ratio [Mc] 0 /[I] 0 = 10 in the presence of the most rapidly decomposing initiator HPEB•Cd(EH) 2 . To increase the weight-average molecular weight of poly(methyl methacrylate), the proportion of syndiotactic triads in its composition, and consequently, to improve the adhesion strength and heat resistance of the adhesive joint, the curing of the adhesive must be carried out at the reduced temperature (323 K) and the reduced ratio of the [Mc] 0 /[I] 0 = 0.1 in the presence of the least rapidly decomposing initiator HPEB.

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Section: Introductionmentioning

confidence: 99%

“…3 Acrylic adhesives of the second generation, 4 having a complex composition, have found the mainstream use. The main components of the adhesive are as follows: 1 (1) a methacrylate monomer (usually methyl methacrylate);…”

Section: Introductionmentioning

confidence: 99%

Kinetics of Methyl Methacrylate Polymerization in the Presence of Initiating Systems “Peroxide + Zirconocene Dichloride” When the Methyl Methacrylate Adhesive is Cured

Tereshchenko,

Shiyan,

Osipov

et al. 2024

Ind. Eng. Chem. Res.

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“…Among these, structural epoxy [8] and acrylic [9] adhesives, with both strength and toughness, are available for body structures in the automotive and aerospace fields. Particularly, second-generation acrylic (SGA) adhesives [10][11][12][13][14] have attracted considerable attention. The SGA adhesive is a two-component room-temperature-curable acrylic adhesive with acrylic resin and elastomer as the main constituents.…”

Section: Introductionmentioning

confidence: 99%

Proposal of Evaluation Method for Crack Propagation Behaviors of Second-Generation Acrylic Adhesives under Mode I Static Loading

et al. 2023

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Second-generation acrylic (SGA) adhesives, possessing high strength and toughness, are applicable in automotive body structures. Few studies have considered the fracture toughness of the SGA adhesives. This study entailed a comparative analysis of the critical separation energy for all three SGA adhesives and an examination of the mechanical properties of the bond. Loading-unloading test was performed to evaluate crack propagation behaviors. In the loading–unloading test of the SGA adhesive with high ductility, plastic deformation was observed in the steel adherends; the arrest load dominated the propagation and non-propagation of crack for adhesive. The critical separation energy of this adhesive was assessed by the arrest load. In contrast, for the SGA adhesives with high tensile strength and modulus, the load suddenly decreased during loading, and the steel adherend was not plastically deformed. The critical separation energies of these adhesives were assessed using the inelastic load. The critical separation energies for all the adhesives were higher for thicker adhesive. Particularly, the critical separation energies of the highly ductile adhesives were more affected by the adhesive thickness than highly strength adhesives. The critical separation energy from the analysis using the cohesive zone model agreed with the experimental results.

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“…Second‐generation acrylic (SGA) adhesives are two‐component adhesives that cure rapidly at room temperature, possess excellent strength and toughness, and are one of the typical structural acrylic adhesives 28 . Rubber is micro‐dispersed in the acrylic resin due to phase separation in a so‐called “sea‐island structure” to achieve high ductility and toughness 29–32 .…”

Section: Introductionmentioning

confidence: 99%

“…Second-generation acrylic (SGA) adhesives are twocomponent adhesives that cure rapidly at room temperature, possess excellent strength and toughness, and are one of the typical structural acrylic adhesives. 28 Rubber is micro-dispersed in the acrylic resin due to phase separation in a so-called "sea-island structure" to achieve high ductility and toughness. [29][30][31][32] Moreover, acrylic adhesives are less susceptible to surface conditions than epoxy adhesives and have a good adhesion to slightly oily or unprepared surfaces.…”

Section: Introductionmentioning

confidence: 99%

Two‐parameter analysis of fatigue crack growth behavior in structural acrylic adhesive joints

Sekiguchi

Houjou

Shimamoto

et al. 2022

Fatigue Fract Eng Mat Struct

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Conducting displacement-controlled fatigue double cantilever beam tests of a structural acrylic adhesive, two different slopes were observed in the fatigue crack growth (FCG) relationship of the FCG rate versus the strain energy release rate (SERR) parameters depending on the loading conditions. Because fatigue is a two-parameter problem where stress waveforms contain cyclic and monotonic terms, the contribution of each term toward FCG needs to be clarified. Therefore, each slope was explained using SERR with load range and mean load. In addition, cases were observed where the slope changed with an increasing number of cycles. Accordingly, the FCG rate changes. Understanding the phenomenon is important to estimate the crack position from an engineering point of view. Therefore, FCG was categorized into three types using amplitude and mean displacement. After a sufficient number of fatigue cycles, amplitude played a more dominant role than R-ratio or mean displacement to determine crack location.

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Structural Acrylic Adhesives: A Critical Review

Cited by 7 publications

References 75 publications

Kinetics of Methyl Methacrylate Polymerization in the Presence of Initiating Systems “Peroxide + Zirconocene Dichloride” When the Methyl Methacrylate Adhesive is Cured

Kinetics of Methyl Methacrylate Polymerization in the Presence of Initiating Systems “Peroxide + Zirconocene Dichloride” When the Methyl Methacrylate Adhesive is Cured

Proposal of Evaluation Method for Crack Propagation Behaviors of Second-Generation Acrylic Adhesives under Mode I Static Loading

Two‐parameter analysis of fatigue crack growth behavior in structural acrylic adhesive joints

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