Interpretation of multiple melting behaviour in poly (ether ether ketone) revisited: Two-dimensional correlation mapping approach

Sand based superhydrophobic materials, such as paraffin-coated sand, are the focus of global research to fight land desertification. The present work investigates the development of paraffin-coated sand with extending service life as well as improving and stabilizing hydrophobic property by adding plastic waste. While the addition of polyethylene (PE) did not improve the hydrophobic property of paraffin coated sand, incorporating 4.5% of polystyrene (PS) in the composition of coated sand increased the contact angle. Fourier Transform Infrared spectroscopy (FTIR), X-ray diffraction patterns (XRD) and two-dimensional correlation spectroscopy (2D-COS) indicated that PS increased the molecular orientation of sand and reduced the thickness of the paraffin coating. Paraffin on the other hand improved the distribution of PS and prevented aggregation with sand. Both FTIR bands at 1085 cm−1 and 462 cm−1 were more sensitive to change in PS contents, while other bands at 780 cm−1 and 798 cm−1 were more sensitive to change in paraffin contents. Moreover, the XRD patterns of sand were split into two components by the addition of PS indicating the transformation of morphology to less ordered or more distorted form. 2D-COS is a powerful tool to reveal harmony of components in mixtures, extract information related to the role of each of them, and help in decision-making process regarding choosing the appropriate recipes.

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Novel Developments and Progress in Two-Dimensional Correlation Spectroscopy (2D-COS)

Park,

Noda,

Jung

2024

Appl Spectrosc

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This first of the two-part series of the comprehensive survey review on the progress of the two-dimensional correlation spectroscopy (2D-COS) field during the period 2021–2022, covers books, reviews, tutorials, novel concepts and theories, and patent applications that appeared in the last two years, as well as some inappropriate use or citations of 2D-COS. The overall trend clearly shows that 2D-COS is continually growing and evolving with notable new developments. The technique is well recognized as a powerful analytical tool that provides deep insights into systems in many science fields.

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Interpretation of multiple melting behaviour in poly (ether ether ketone) revisited: Two-dimensional correlation mapping approach

Cited by 4 publications

References 23 publications

A description of the physical ageing and annealing processes in poly (N-vinyl carbazole) using differential scanning calorimetry and two-dimensional correlation mapping analysis

A description of the physical ageing and annealing processes in poly (N-vinyl carbazole) using differential scanning calorimetry and two-dimensional correlation mapping analysis

Spectroscopic investigations to reveal synergy between polystyrene waste and paraffin wax in super-hydrophobic sand

Novel Developments and Progress in Two-Dimensional Correlation Spectroscopy (2D-COS)

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