Thermal and mechanical behavior of natural rubber latex‐silica aerogel film

On, Ng Kui; Rashid, Azura A.; Nazlan, Mohd.; Hamdan, Halimaton

doi:10.1002/app.35354

Cited by 28 publications

(21 citation statements)

References 16 publications

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“…In comparison to usual composites, nanocomposites are a type of material in which the dimensions of the dispersed phase are on the nanoscale . It has been proven that the addition of nanoparticles to polymers can improve many of their final properties, so nanocomposites have attracted more attention, and on that basis, many applications have been developed .…”

Section: Introductionmentioning

confidence: 99%

Mechanical, thermal, and hydrophobic properties of silica aerogel–epoxy composites

Maghsoudi

Motahari

2017

J of Applied Polymer Sci

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Epoxy composites were prepared with different contents of hydrophobic silica aerogel particles to investigate their mechanical, thermal, and hydrophobic properties. The composites, particularly the one containing 1 wt % silica aerogel, showed remarkable toughness and yielding behaviors compared to neat epoxy, with its brittle behavior. As the content of silica aerogel increased, the thermal properties of the composites (e.g., thermal conductivity and thermal stability) improved. This was due to the very low thermal conductivity and high thermal stability of the silica aerogel particles. Moreover, the use of the hydrophobic silica aerogel led to the development of composites with hydrophobic properties. To examine the hydrophobicity more deeply, a series of water‐uptake tests were performed, and the results show that the composite with 3 wt % silica aerogel absorbed 50% less water than the neat epoxy. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45706.

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Section: Introductionmentioning

confidence: 99%

Mechanical, thermal, and hydrophobic properties of silica aerogel–epoxy composites

Maghsoudi

Motahari

2017

J of Applied Polymer Sci

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“…Typically, aerogels can be categorized into organic aerogels, inorganic aerogels, carbonization aerogels, and organic–inorganic composite aerogels . Among the various kinds of aerogels, silica aerogels have been investigated widely for a long time because of their outstanding properties and facile preparation process …”

Section: Introductionmentioning

confidence: 99%

Hydrophobic and nanoporous chitosan–silica composite aerogels for oil absorption

Liu

Dong

et al. 2014

J of Applied Polymer Sci

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Hydrophobic and nanoporous chitosan-silica composite aerogels with low density, high porosity, and superior oil absorbency were successfully prepared by a typical sol-gel method and a two-step hydrophobic treatment. The morphologies, porosity characteristics, mechanical properties, thermal stability, hydrophobicity, and oil absorbencies of the composite aerogels were systematically investigated. The nitrogen physisorption analysis showed that composite aerogels had large specific surface areas and uniform nanoporous structures. In addition, the composite aerogels could support 7000 times its own weight; this indicated the role of the supporting skeleton played by chitosan. The hydrophobicity and lipophilicity was demonstrated with a water contact angle of 137 and an oil contact angle of 0 . Importantly, the composite aerogel with 20 wt % chitosan had a relatively high oil absorbency of 30 g/g and could be reused up to 10 times. Therefore, the chitosan-silica composite aerogels in this study had a broad prospect to be used as efficient and recyclable oil absorbents.

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“…Furthermore, the tensile strength of aged NR latex composites is lower than their control and leached counterparts. This is due to the thermal and oxidative degradation of rubber chains occurred during the aging process, contributing to the breakage of the chemical bonds . This has therefore caused the reduced tensile strength, indicative of the inability of the NR latex composites to retain its structural integrity under the applied load, causing the deformation.…”

Section: Resultsmentioning

confidence: 99%

The influence of surface structure of low industrial grade seaweed and semi‐refined carrageenan on mechanical and physical properties of natural rubber latex composites

Samsir

Azura

Azahari

2018

Vinyl Additive Technology

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Composites consisting of natural rubber (NR) latex as their matrix and low industrial grade seaweed (LIGS) and its extractive (semirefined carrageenan, SRC-LIGS) as the filler were prepared via normal prevulcanization process. An analysis regarding the particle size and morphology of seaweed (LIGS and SRC-LIGS), as well as surface properties and mechanical properties (tensile and tear properties) of NR latex composites, was consequently generated. Furthermore, post-processing treatment for NR latex composites have also been studied, specifically involving leaching, heat aging, water absorption, and soil burial. The particle size of LIGS and SRC-LIGS obtained was recorded to be lower than 100 μm. Thus, the results are indicative of SRC-LIGS's role in improving the thermal properties of NR latex composites. After 8 weeks of soil burial, the incorporation of LIGS and SRC-LIGS into the NR latex composites has accelerated biodegradation processes, thus highlighting their advantage as biodegradable fillers. These properties have consequently contributed to SRC-LIGS/NR latex composites as a potential composite for use in biodegradable applications, such as polybag for pottery and plants. J. VINYL ADDIT. TECHNOL., 25:278-286, 2019.

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Thermal and mechanical behavior of natural rubber latex‐silica aerogel film

Cited by 28 publications

References 16 publications

Mechanical, thermal, and hydrophobic properties of silica aerogel–epoxy composites

Mechanical, thermal, and hydrophobic properties of silica aerogel–epoxy composites

Hydrophobic and nanoporous chitosan–silica composite aerogels for oil absorption

The influence of surface structure of low industrial grade seaweed and semi‐refined carrageenan on mechanical and physical properties of natural rubber latex composites

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