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Review
. 2022 Jan 25;7(5):3844-3859.
doi: 10.1021/acsomega.1c05448. eCollection 2022 Feb 8.

Influence of Nanofillers on Adhesion Properties of Polymeric Composites

Aparna Guchait  1 , Anubhav Saxena  2 , Santanu Chattopadhyay  1 , Titash Mondal  1
Affiliations
Review

Influence of Nanofillers on Adhesion Properties of Polymeric Composites

Aparna Guchait et al. ACS Omega. .

Abstract

Nanofillers (NFs) are becoming a ubiquitous choice for applications in different technological innovations in various fields, from biomedical devices to automotive product portfolios. Potential physical attributes like large surface areas, high surface energy, and lower structural imperfections make NFs a popular filler over microfillers. One specific application, where NFs are finding applications, is in adhesive science and technology. Incorporating NFs in the adhesive matrix is seen to tune the adhesives' different properties like wettability, rheology, etc. Additionally, the functional benefits (like electrical/thermal conductivity) of these NFs are translated into the adhesives' properties. Such an improvement in the properties is far to achieve using microfillers in the adhesive matrix. This mini-review provides an account of the impact of the addition of various nanofillers (NFs) on the properties of the adhesive composition.

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Conflict of interest statement

The authors declare no competing financial interest.

Figures

Figure 1
Figure 1
Different techniques to fabricate nanocomposite-adhesive systems.
Figure 2
Figure 2
Young’s equation demonstration of the three-phase line.
Figure 3
Figure 3
Optical image of the spreading area and contact angle measurement of ANF filled adhesive on aluminum substrate. Reprinted with permission from ref (7a). Copyright 2019 Elsevier.
Figure 4
Figure 4
Graphical representation on viscosity of Cloisite Na+ filled composite adhesive at 2 wt % (a, c, e) and 5 wt % (b, d, f) loading and at 20 °C (a, b), 40 °C (c, d), and 60 °C (e, f). Green ▲ and blue ■ represents 0 and 4 min ultrasonication time, respectively. A gold ◆ indicates unfilled adhesive. Reprinted with permission from ref (8c). Copyright 2015 Elsevier.
Figure 5
Figure 5
Graphical representation on viscosity of Cloisite Na+ filled composite adhesive at 2 wt % (a, c, e) and 5 wt % (b, d, f) loading and at 20 °C (a, b), 40 °C (c, d), 60 °C (e, f). Green ▲ and blue ■ represents 0 and 4 min ultrasonication time, respectively. Gold ◆ indicates unfilled adhesive. Reprinted with permission from ref (8c). Copyright 2015 Elsevier.
Figure 6
Figure 6
Graphical representation of viscosity of the Cloisite Na+ (a) and Cloisite 15A (b) filled PIB-adhesive at 0% (purple ●), 5% (turquoise ■), 10% (gray ★), 20% (blue ▲), 30% (red ⬟), and 40% (maroon ◆) nanofiller loading. Reprinted with permission from ref (8d). Copyright 2016 Elsevier.
Figure 7
Figure 7
(a) Stress distribution curve for probe tack test of typical PSA. (b) Optical image of fibril formation during probe-tack analysis. Reprinted with permission from ref (11c). Copyright 2016 Elsevier. (c and d) Fibril formation during peel test. Reprinted with permission from ref (11d). Copyright 2020 Royal Society of Chemistry.
Figure 8
Figure 8
Adhesive characteristics of PVAc/graphene adhesive. (A) Test samples images for tensile test (left) and shear test (right). (B) Image of tensile testing. (C) Plot of tensile and shear stress of prepared PVAc adhesive vs displacement. (D) Influence of graphene content on the tensile and shear properties, and (E) toughness for the prepared PVAc adhesives. (F) Tensile property of unfilled and graphene-filled commercial adhesive. (G) Influence of graphene content on the tensile and shear properties and (H) toughness for the commercial adhesives. The untreated glues are represented by dotted lines. Reprinted with permission from ref (15). Copyright 2013 American Chemical Society.
Figure 9
Figure 9
Proposed reaction scheme for creating SG from XG with the help of DCC coupling agent. Reprinted with permission from ref (17). Copyright 2014 American Chemical Society.
Figure 10
Figure 10
Nanoclay dispersion in the epoxy-acrylic rubber (ACM) blend via solvent mixing followed by a final nanocomposite adhesive via cross-linking. Reprinted with permission from ref (18). Copyright 2014 Elsevier.
Figure 11
Figure 11
Representation of shear resistance in dry and wet conditions: (a) PVAc-nanoclay (dry), (b) PVAc-nanoclay (wet), (c) UF-nanoclay (dry), and (d) UF-nanoclay (wet). Reprinted with permission from ref (20). Copyright 2015 Elsevier.
Figure 12
Figure 12
Lap-shear and peel strength of various nanocomposite adhesives. Reprinted with permission from ref (22). Copyright 2019 Elsevier.
See this image and copyright information in PMC

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