Adhesion mechanisms of pressure sensitive adhesives

Brockmann, Walter; Hüther, R.

doi:10.1016/0143-7496(96)89797-1

Cited by 33 publications

(12 citation statements)

References 1 publication

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“…These include secondary ion mass spectroscopy (TOF-SIMS), X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), scanning electron microscopy (SEM), attenuated total reflection infrared spectroscopy (ATR-IR), and other microscopy techniques more sensitive to surface energy such as the optical analysis of contact angle (OCA). Numerous studies have used these techniques to analyze surface properties such as roughness, polarity, chemical composition, and surface free energy in order to describe and explain the adhesion phenomena of a surface or interface [35][36][37][38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

Influence of Ultraviolet Radiation Exposure Time on Styrene-Ethylene-Butadiene-Styrene (SEBS) Copolymer

2020

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The effect of ultraviolet radiation on styrene-ethylene-butadiene-styrene (SEBS) has been studied at different exposures times in order to obtain a better understanding of the mechanism of ageing. The polymer materials were mechanically tested and then their surfaces were analyzed using a scanning electron microscope (SEM) and atomic force microscopy (AFM). Moreover, the optical analysis of contact angle (OCA) was used to evaluate the surface energy (γ s ) and the yellowing index (YI) and attenuated total reflectance infrared spectroscopy (ATR-FTIR) were used to observe structural and physical changes in aging SEBS. The results obtained for the SEBS, in relation to the duration of exposure, showed superficial changes that cause a decrease in the surface energy (γ s ) and, therefore, a decrease in surface roughness. This led to a reduction in mechanical performance, decreasing the tensile strength by about 50% for exposure times of around 200 hours.

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Section: Introductionmentioning

confidence: 99%

Influence of Ultraviolet Radiation Exposure Time on Styrene-Ethylene-Butadiene-Styrene (SEBS) Copolymer

2020

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“…[1][2][3][4][5][6][7] These adhesives play an important role in everyday life and are expected to be relied upon more heavily in the near future. Their uses extend from the mending of wounds and surgical incisions to securing the chafing strips in airplanes, 7 not to mention their most well-known use as Scotch tape™. Because of their extensive use, two main goals shape the role of materials science in the development and application of PSAs: (1) to use a scientifically-based recipe to design an adhesive, and (2) to use the molecular specifications to predict the engineering limits of a given adhesive's application.…”

Section: Introductionmentioning

confidence: 99%

Adhesive failure analysis of pressure‐sensitive adhesives

Crosby

Shull

1999

J. Polym. Sci. B Polym. Phys.

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ABSTRACT:In this article we use a linear elastic fracture mechanics approach to characterize the adhesive performance of two commercially available pressure-sensitive adhesives (PSAs). An axisymmetric adhesion test involving the contact of a spherical indenter with a thin adhesive layer is used to generate "tack" curves for both adhesives. These curves describe the relationship between the normal loads and displacements during the test. Adhesive failure is understood in terms of crack propagation at the indenter/adhesive interface. We investigate the effects of adhesive layer thickness and crosshead velocity on the tack curves. Using fracture mechanics equations developed for thin layers, we show that the energy release rate is a unique function of the crack velocity for a given adhesive. Based on the tack curves and energy release rates, we discuss the coupling of the bulk and interfacial properties that produce the large adhesion energies typical of pressure-sensitive adhesives.

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“…They exhibit high adhesion strengths without necessarily any chemical bond formation at the interface [1]. PSAs are increasingly being used in more demanding applications that require enhanced performance characteristics [2]. Much progress has been made in understanding the mechanisms of tack and debonding in PSAs through a combination of modelling [3,4,5,6] and experiment [7,8,9,10,11,12].…”

Section: Introductionmentioning

confidence: 99%

Morphology and elasticity of waterborne acrylic pressure-sensitive adhesives investigated with atomic force microscopy

Mallégol¹,

Dupont²,

Keddie

2003

Journal of Adhesion Science and Technology

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The morphology of pressure sensitive adhesives (PSAs), especially at the surface in contact with a release liner, is expected to have a dominant influence on the tack strength and energy in an application. We have used tapping-mode atomic force microscopy to determine the morphology at the surfaces of freshly-cast waterborne acrylic PSAs over lateral length scales of a few µms. We demonstrate that topographical features on silicone release liners can be used to pattern the PSA surface in contact with it. Control of the texture of a PSA surface can potentially be exploited to tailor its properties. Latex particle boundaries are much better defined at the air surface of the PSA in comparison to its back face. A series of experiments suggest that this difference results from the distribution of water-soluble species within the dry film. The pressures and processes involved in the transfer lamination process do not alter the PSA morphology. The first reported AFM images of the response of these materials to pressure and shear provide insight into the deformation mechanisms. Amplitude-distance curves on PSA surfaces show that there is a small decrease in tack and an increase in stiffness after ageing for 13 months.

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Adhesion mechanisms of pressure sensitive adhesives

Cited by 33 publications

References 1 publication

Influence of Ultraviolet Radiation Exposure Time on Styrene-Ethylene-Butadiene-Styrene (SEBS) Copolymer

Influence of Ultraviolet Radiation Exposure Time on Styrene-Ethylene-Butadiene-Styrene (SEBS) Copolymer

Adhesive failure analysis of pressure‐sensitive adhesives

Morphology and elasticity of waterborne acrylic pressure-sensitive adhesives investigated with atomic force microscopy

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