Mechanical Properties, Sealability, and Recyclability of Elastomeric Materials in Petroleum Industry

Pervez, Tasneem; Al-Jahwari, Farooq S.

doi:10.1016/b978-0-12-803581-8.11291-3

Cited by 4 publications

(2 citation statements)

References 14 publications

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“…The thermodynamic incompatibility between HS and SS blocks results in phase separation and formation of microdomains or matrixes. By controlling the morphological structure of these domains, TPEs with desirable properties can be employed for a wide variety of industrial applications, such as elastomers, packaging, smart materials, transportation, and biomedicals [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Sustainable Polycaprolactone Polyol-Based Thermoplastic Poly(ester ester) Elastomers Showing Superior Mechanical Properties and Biodegradability

2023

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Thermoplastic elastomers (TPEs) have attracted increasing attention for a wide variety of industrial and biomedical applications owing to their unique properties compared to those of traditional rubbers. To develop high-performance engineering TPEs and reduce the environmental pollution caused by plastic waste, α,ω-hydroxyl-terminated polycaprolactone (PCL) polyols with molecular weights of 1000–4200 g mol−1 and polydispersity index (Ð) of 1.30–1.88 are synthesized via the ring-opening polymerization of sustainable ε-caprolactone using a heterogeneous double metal cyanide catalyst. The resulting PCL polyols are employed as soft segments to produce thermoplastic poly(ester ester) elastomers and are compared to conventional thermoplastic poly(ether ester) elastomers prepared from polytetramethylene ether glycol (PTMEG). Notably, the PCL-based TPEs exhibit superior mechanical properties and biodegradability compared to PTMEG-based TPEs owing to their crystallinity and microphase separation behaviors. Accordingly, they have 39.7 MPa ultimate strength and 47.6% biodegradability, which are much higher than those of PTMEG-based TPEs (23.4 MPa ultimate strength and 24.3% biodegradability). The introduction of biodegradable PCLs demonstrates significant potential for producing biodegradable TPEs with better properties than polyether-derived elastomers.

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Section: Introductionmentioning

confidence: 99%

Sustainable Polycaprolactone Polyol-Based Thermoplastic Poly(ester ester) Elastomers Showing Superior Mechanical Properties and Biodegradability

2023

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“…For another review article, the researchers studied some of the material properties of the sealing cap for the shield tunnel. Ultimately, ideas for the potential production of innovative technologies or forms of improving the efficiency of seal gaskets have been suggested [19][20][21]. As a consequence, the topic of the materials that can be used for such components is very critical for every manufacturer of parabolic trough solar collectors, and the aim of this research would be on commercially accessible materials for the solar collector receiver, reflector, seal, and others.…”

Section: Introductionmentioning

confidence: 99%

Advanced Study of the Parabolic Trough Collector Using Aluminum (III) Oxide Seal

2020

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Solar energy is the main source of all sorts of energy present in nature, i.e. all energy produced from it. So the direct use of solar energy as a useful energy is very important. There are numerous solar thermal projects in which the concentrated type collector heats up to 100 to 400 degrees Celsius. It is used in a wide range of applications, including power generation, industrial steam generation and hot water supply. Parabolic trough collector is chosen for steam production, since high temperatures can be achieved. The temperature of the inlet and outlet water, the mass flow rate, the usable heat gain and also the thermal efficiency of the collector are calculated. Theoretical values for heat loss of vacuum as the annulus gas is measured and compared with other values for heat loss of air as the annulus gas. In order to help preserve the vacuum within the annulus gap, a substitute glass-metal seal was created. The seal helped increased the heat loss and thereby improve the overall efficiency of the collector. It can be deduced from the band structure and density of the states of Al2O3 and is an outstanding insulator content. In addition, the assessment of the absorption coefficient showed a low energy range of 5.34 eV to 11.88 eV, with a median value of 11.50 eV and 11.88 eV respectively for parallel and perpendicular polarizations.

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Oxidative ageing of elastomers: experiment and modelling

Zaghdoudi

Kömmling

Jaunich

et al. 2022

Continuum Mech. Thermodyn.

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During an extensive test programme at the Bundesanstalt für Materialforschung und prüfung, material property changes of EPDM O-rings were investigated at different ageing times and two ageing temperatures of $$125\,^{\circ }\,\hbox {C}$$ 125 ∘ C and $$150\,^{\circ }\, \hbox {C}$$ 150 ∘ C . To exclude possible diffusion-limited oxidation (DLO) effects that can distort the data, IRHD microhardness measurements were taken over the cross section of compressed O-rings. Continuous stress relaxation measurements were taken on samples free of DLO effects. The additional effect of physical processes to irreversible chemical ones during a long-term thermal exposure is quantified by the analysis of compression set measurements under various test conditions. By combining the different experimental methods, characteristic times relative to the degradation processes were determined. On the basis of experimental data, a microphysically motivated model that takes into account reversible and irreversible processes was developed. The parameter identification strategy of the material model is based on our experimental investigations on homogeneously aged elastomer O-rings. The simulated results are in good agreement with the experiments.

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Mechanical Properties, Sealability, and Recyclability of Elastomeric Materials in Petroleum Industry

Cited by 4 publications

References 14 publications

Sustainable Polycaprolactone Polyol-Based Thermoplastic Poly(ester ester) Elastomers Showing Superior Mechanical Properties and Biodegradability

Sustainable Polycaprolactone Polyol-Based Thermoplastic Poly(ester ester) Elastomers Showing Superior Mechanical Properties and Biodegradability

Advanced Study of the Parabolic Trough Collector Using Aluminum (III) Oxide Seal

Oxidative ageing of elastomers: experiment and modelling

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