Effect of Modified Silica Fume Using MPTMS for the Enhanced EPDM Foam Insulation

Suntako, Rudeerat

doi:10.3390/polym13172996

Cited by 6 publications

(5 citation statements)

References 30 publications

(36 reference statements)

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“…In the case of the glass platforms silanized with thiol alkyl silanes (Figure 2) and decorated with AgNPs (Figure 4), the presence of the same bands characteristic of each functional group related to the glass samples silanized with MPTMS and MPTES can be observed. Thus, in the case of the glass platforms silanized with AgNPs@MPTMS (1, 3, and 5%), as well as those silanized with AgNPs@MPTES (1, 3, and 5%), the FTIR maps show visible similarities, which proves the good homogeneity of the samples/functionalization of the glass platforms [27,31,32]. AgNPs@MPTMS 3%, (c) AgNPs@MPTMS 5%, (d) AgNPs@MPTES 1%, (e) AgNPs@MPTES 3%, and (f) AgNPs@MPTES 5%; in all cases, the scanned surfaces were of 1400 µm × 1400 µm.…”

Section: Characterization Of Glass-silanized and Agnps-decorated Plat...mentioning

confidence: 76%

Decoration of a Glass Surface with AgNPs Using Thio-Derivates for Environmental Applications

Ilie,

Spoială,

Motelica

et al. 2024

Coatings

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The aim of this study is to decorate a glass surface with silver nanoparticles (AgNPs) and further prove its efficiency in the removal of some thio-derivatives—potential pollutants from water. Therefore, grafting the surface of glass-based platforms with AgNPs will strongly influence their interaction with other substances or molecules. The most commonly used molecules for glass-based platform functionalization/modification are organosilanes. In this case, the main interest is in thioalkyl organosilanes because, after silanization, the thio (-SH) functional groups that have a high affinity for AgNPs can intermediate their binding on the surface. By decorating the glass platforms with AgNPs, these surfaces become active for the adsorption of dyes from wastewater. Certainly, in this case, the dyes must bear -SH groups to ensure a high affinity for these surfaces. Therefore, the desired purpose of this study was to develop glass-based platforms decorated with AgNPs able to bind model molecules—dyes from aqueous media (dithizone—DIT and thioindigo—TIO), with these platforms being potentially used for environmental applications.

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Section: Characterization Of Glass-silanized and Agnps-decorated Plat...mentioning

confidence: 76%

Decoration of a Glass Surface with AgNPs Using Thio-Derivates for Environmental Applications

Ilie,

Spoială,

Motelica

et al. 2024

Coatings

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“…Tensile strength testing is by far the most popular method of evaluating filled materials [ 32 , 33 , 34 , 35 , 36 ]. The incorporation of fillers changes the mechanical properties of the prepared vulcanizates.…”

Section: Resultsmentioning

confidence: 99%

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part II. The Effect of Filler Type on the Properties of CR Products

et al. 2021

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The properties of rubber materials are dependent on the characteristics of the elastomer matrix, the filler type, the cross-linking agent, the number of ingredients, and their interactions. In the previous article, we showed that chloroprene rubber can be efficiently cross-linked with copper(I) oxide or copper(II) oxide. During the processing of rubber compounds, the incorporation of a filler and a curing substance are two substantial parameters, such as the homogeneity of mixing and cross-linking that significantly affect the properties of the vulcanizates. Therefore, this work aimed to evaluate the curing characteristics, mechanical and dynamical properties, morphology, and flammability of the composites containing chloroprene rubber cross-linked with Cu2O or CuO and filled with different fillers (silica, carbon black, montmorillonite, kaolin, chalk). It was found that the type of filler and curing agent had a significant impact on the degree of cross-linking of the chloroprene rubber and the properties of its vulcanizates. The degree and speed of the cross-linking of filled CR were higher when the CR was cured with copper(II) oxide. Among the fillers used, the presence of carbon black or silica ensured the highest degree of CR cross-linking and the most useful properties. The flammability tests indicated that all produced vulcanizates were characterized by a high oxygen index, which allows them to be classified as non-flammable materials.

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“…In the next step, 5 g of silica particles were added to the solution and the particles were mixed with the resulting solution for 30 min again by a mechanical stirrer. Finally, the resulting mixture was placed in a vacuum oven at 100°C for 24 h. It should be noted that SF modified by this method was used to make composite samples 22,23 …”

Section: Methodsmentioning

confidence: 99%

“…Finally, the resulting mixture was placed in a vacuum oven at 100 C for 24 h. It should be noted that SF modified by this method was used to make composite samples. 22,23…”

Section: Surface Modification Of Silica Fumementioning

confidence: 99%

Synthesis and effect of using silica fume particles on shear properties of basalt fibers‐epoxy composites

Azizi,

Eslami‐Farsani,

Vaezi

et al. 2023

Polymer Composites

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In this study, the effect of the addition of silica particles modified with silane agent on the mechanical properties of basalt fibers‐epoxy composites were studied with the interlayer shear strength (ILSS) test. In the first stage, silica fume particles were synthesized using the sol‐gel method and surface modified using tri mercaptopropyl trimethoxy silane agent. The results of the characterization showed that the synthesized powder is nanometric scale, amorphous and high purity. The surface‐modified silica fume particles (0, 2, 4, 6 wt.%) were distributed inside the epoxy matrix using a mechanical stirrer and ultrasonic waves. The hand lay‐up method was used to fabricate composite samples, then the effect of adding these particles on the mechanical properties of basalt fibers‐epoxy composites under interlayer shear loads was studied. The results of the research indicated that the addition of silica fume particles has a significant effect on improving the mechanical properties of basalt fibers‐epoxy composites, and the greatest improvement in mechanical properties was achieved by adding 4 wt.% of modified silica fume particles. In the case of composites without SF particles, the shear strength was 34 MPa, which was increased to 40 MPa by adding 4 wt.% of SF particles (about 20% improvement). On the other hand, results demonstrated that the optimal distribution of silica fume particles within the polymer matrix performs an impressive role in improving the mechanical response of composite samples.Highlights The use of silica fume in the polymer composite is one of the research innovations. Silica fume is a super‐fine spherical powder that is collected as a by‐product. The silane is used to better distribute and optimal interaction of the silica fume in epoxy. Sol‐gel is one of the methods to synthesis of silica fume. ILSS test was done to investigate the strength of the interface of basalt fibers and epoxy.

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Effect of Modified Silica Fume Using MPTMS for the Enhanced EPDM Foam Insulation

Cited by 6 publications

References 30 publications

Decoration of a Glass Surface with AgNPs Using Thio-Derivates for Environmental Applications

Decoration of a Glass Surface with AgNPs Using Thio-Derivates for Environmental Applications

The Use of Copper Oxides as Cross-Linking Substances for Chloroprene Rubber and Study of the Vulcanizates Properties. Part II. The Effect of Filler Type on the Properties of CR Products

Synthesis and effect of using silica fume particles on shear properties of basalt fibers‐epoxy composites

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