Mechanism of adhesion promotion between aluminium sheet and polypropylene with maleic anhydride‐grafted polypropylene by γ‐aminopropyltriethoxy silane

Chen, Ming-an; Zhang, Xinming; Huang, Rong; Lü, Xuebin

doi:10.1002/sia.2871

Cited by 25 publications

(9 citation statements)

References 38 publications

(46 reference statements)

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“…The representative results of the narrow-mode spectra of each sample for the regions of O 1s, Ti 2p, N 1s, and Si 2p are shown in Figure . Although the simple overlaying of the spectra of the different samples does not perfectly guarantee the quantitative comparison of the peak intensities among the samples unless the peak normalization is applied, the results in Figure qualitatively indicated the increases in N (399 eV for −NH 2 and 400 eV for −NH 3 + ) , and Si (102 eV for −SiOR) species after silane treatments, which corresponded to silane layer formation on the Ti plate surfaces. The increases in O and Ti peak intensities for the silanized samples compared to those for the unmodified samples indicated that the impurities adsorbed on the plate surfaces were removed by the hydrophilization treatments, which resulted in a deeper detection of the passive layers on the Ti plate surfaces.…”

Section: Resultsmentioning

confidence: 99%

“…Because silane coupling agents can bind organic and inorganic or metallic components, their SAMs should act as the adhesives at the polymer–metal oxide (or metal) interfaces. For example, the formation of covalent bonds was utilized for adhesion between the aminosilane-modified Al sheets and polypropylene with maleic anhydride-grafted polypropylene . On the other hand, direct adhesions between commercial, ready-made planar polymer and metal substrates by utilizing silane coupling agents as molecular adhesives have not been reported.…”

Section: Introductionmentioning

confidence: 99%

“…For example, the formation of covalent bonds was utilized for adhesion between the aminosilane-modified Al sheets and polypropylene with maleic anhydride-grafted polypropylene. 39 On the other hand, direct adhesions between commercial, ready-made planar polymer and metal substrates by utilizing silane coupling agents as molecular adhesives have not been reported. In this study, we designed the adhesion system between commercial polyimide (PI) films and titanium (Ti) plates that utilized the SAMs of silane coupling agents (Figure 1).…”

Section: ■ Introductionmentioning

confidence: 99%

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Hot-Press-Assisted Adhesions between Polyimide Films and Titanium Plates Utilizing Coating Layers of Silane Coupling Agents

et al. 2016

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The development of low material-consuming adhesion techniques for different kinds of materials such as polymers and metals is important for the realization of sustainable societies. This study demonstrates that coating layers, expected to be formed as self-assembled monolayers, of silane coupling agents can act as adhesion layers at the polymer film-metal plate interfaces. Polyimide films were alkaline hydrolyzed to generate carboxy groups on their surfaces, whereas titanium plate surfaces were treated with the aminosilanes to form their coating layers thereon. These modified surfaces were placed in contact with each other and then hot pressed, which resulted in adhesion between them. An examination of the adhesion strength using lap shear tests and surface characterization of the prepared surfaces using X-ray photoelectron spectroscopy and other techniques indicated the formation of ionic bonds and/or amide bonds between the carboxy groups of the PI film surfaces and the amino groups immobilized on the titanium plate surfaces. The activation of the carboxy groups using N-hydroxysuccinimide resulted in adhesion obtaining a water-resistant property, which supported the increase in amide bond formation. On the basis of the results, the adhesion mechanism and the possible breaking points upon the breaking of adhesions are proposed.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

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Hot-Press-Assisted Adhesions between Polyimide Films and Titanium Plates Utilizing Coating Layers of Silane Coupling Agents

et al. 2016

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“…This physically adsorbed γ ‐GPS layer is prevent the interaction between the chemically adsorbed γ ‐GPS layer and composite laminates, resulting in sharply decrase of the tensile load with high concentration of γ ‐GPS solution as similar to Ref. . At 2 wt% γ ‐GPS concentration, the silane pretreatment guarantees an increase of adhesion properties and delamination resistance of the FMLs due to the resistance of the silane–metal interface to hydrolysis phenomena as decribed in Ref.…”

Section: Resultsmentioning

confidence: 54%

The influence of different circular hole perforations on interlaminar shear strength of a novel fiber metal laminates

et al. 2014

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This study characterizes surface treated classic type fiber metal laminates (FMLs) interlaminar shear strength (ILSS) based on a glass mat reinforced polyphenylene sulphide composite and an aluminum alloy. The effect of concentration of c-glycidoxypropyltrimethoxysilane surface treatment on ILSS of adhesive bonding between aluminum sheet and composite laminates has been investigated. After determining the silane concentration, novel FML material is manufactured using a compression moulding process which involves aluminum sheets with different circular hole perforations (Array type A and B) with two circular hole diameters (/3 and /5 mm) and two total hole area/closed area: 0.05 and 0.06) to develop mechanical interlocking between aluminum layers and composite laminates. Tensile tests are performed to investigate the effect of different circular hole perforations on ILSS properties of FMLs. Test results show that ILSS is improved with increasing the circular hole diameter and decreased with the number of holes as correlated with undrilled FMLs. Failure modes, damage initiation, and progression of FMLs with different open hole perforations are determined with optical microscope. POLYM. COMPOS., 37:963-973,

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“…In both works, the authors confirmed the formation of Ti–C chemical bond at the interface, primarily by XPS analysis. Although the studies are limited in welding‐based joining technologies, XPS has been widely employed as a stand‐alone technique or in combination with other surface analytical methods to investigate metal–polymer interfaces.…”

Section: Introductionmentioning

confidence: 99%

XPS analysis of the interface between AA2024‐T3/CF‐PPS friction spot joints

Goushegir

Scharnagl

Santos

et al. 2015

Surface & Interface Analysis

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*Friction spot joining (FSpJ) is an advanced, alternative technology suitable for joining metal-composite overlap structures. In this paper, the principles of the FSpJ technique are briefly described. Furthermore, the influence of aluminum surface pretreatments (conversion coating and phosphoric acid anodizing) on the adhesion between aluminum alloy AA2024-T3 and carbon-fiberreinforced poly(phenylene sulfide) (CF-PPS) friction spot joints was examined. X-ray photoelectron spectroscopy (XPS) was used to investigate the changes in the chemical composition of the aluminum after surface pretreatments, as well as chemical bond formation at the interface between the aluminum and composite. The joints were mechanically loaded until failure, and the fracture surface of the joints were analyzed on the aluminum side. XPS results showed evidence of Al-C and Zr-C bond formation at the interface for the selected surface pretreatments in the course of the joining cycle. Chemical bond formation was confirmed through the analysis of C1s and Al2p regions in which the appearance of new peaks with different binding energies compared with the aluminum and composite were identified.

show abstract

Mechanism of adhesion promotion between aluminium sheet and polypropylene with maleic anhydride‐grafted polypropylene by γ‐aminopropyltriethoxy silane

Cited by 25 publications

References 38 publications

Hot-Press-Assisted Adhesions between Polyimide Films and Titanium Plates Utilizing Coating Layers of Silane Coupling Agents

Hot-Press-Assisted Adhesions between Polyimide Films and Titanium Plates Utilizing Coating Layers of Silane Coupling Agents

The influence of different circular hole perforations on interlaminar shear strength of a novel fiber metal laminates

XPS analysis of the interface between AA2024‐T3/CF‐PPS friction spot joints

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