Silicon-carbide (SiC) nanocrystal as technology and characterization and its applications in photo-stabilizers of Teflon

Alsayed, Raghda; Ahmed, Dina S.; Husain, Amani A.; Al-Baidhani, Mohammed; Al‐Mashhadani, Mohammed H.; Rashad, Alaa A.; Bufaroosha, Muna; Yousif, Emad

doi:10.1016/j.mset.2022.12.001

Cited by 5 publications

(8 citation statements)

References 23 publications

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“…It will be figured out whether the polymers are acceptable for applications and stand within the established standards. 15,16 To ensure weather conditions resistance, PVC resin should be homogeneously formulated by adjusting additives within the whole matrix. These additives produce PVC with upgraded specifications that differ significantly compared with plain resin.…”

Section: Introductionmentioning

confidence: 99%

“…17 Organic-based UV stabilizers with small molecular weights, such as benzoic acid phenyl ester, hydroxylbenzophenone, benzotriazole, fluorescent complexes, have been currently used. 15 However, by embedding stabilizers within the plastic structure, problems of solvent extraction, incompatibility, volatility can be avoided. As a result, the application window is significantly enhanced.…”

Section: Introductionmentioning

confidence: 99%

“…As a result, the application window is significantly enhanced. 15,16 Other than preparing reactive UV stabilizers, solutions for photodegradation could be represented via adding desirable side chains and the lunching additives into polymers' backbone. [17][18][19] Later, researchers studied Schiff bases as photostabilizers for PVC films.…”

Section: Introductionmentioning

confidence: 99%

“…In order to resist photodegradation over prolonged periods of solar exposure, outdoor PVC product durability (in frames, structures, and sheds) is a crucial feature. It will be figured out whether the polymers are acceptable for applications and stand within the established standards 15,16 . To ensure weather conditions resistance, PVC resin should be homogeneously formulated by adjusting additives within the whole matrix.…”

Section: Introductionmentioning

confidence: 99%

“…These additives produce PVC with upgraded specifications that differ significantly compared with plain resin 17 . Organic‐based UV stabilizers with small molecular weights, such as benzoic acid phenyl ester, hydroxylbenzophenone, benzotriazole, fluorescent complexes, have been currently used 15 . However, by embedding stabilizers within the plastic structure, problems of solvent extraction, incompatibility, volatility can be avoided.…”

Section: Introductionmentioning

confidence: 99%

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Studying the photodecomposition rate constant and morphology properties of modified poly(vinyl chloride) with novel Schiff's bases

Kadhom¹,

Mohammed²,

Ghani

et al. 2023

Vinyl Additive Technology

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The photodegradation of a poly(vinyl chloride) (PVC) film filled with Schiff bases in its structure was investigated and studied by comparing it with a blank PVC film. A PVC film containing novel Schiff's bases was synthesized and used as a photostabilizer for PVC. PVC was exposed to ultraviolet light and underwent harmful changes, where the photostabilization effect differed before and after filling aromatic Schiff bases within the structure. After 300 h of UV irradiation, the photodecomposition rate constants were calculated to identify the impact of Schiff bases on PVC films. In order to evaluate the impact of adding Schiff bases as photo‐stabilizers, the evolution of different functional groups during irradiation was monitored using FTIR spectra. Also, scanning electron microscopy (SEM) and atomic force microscopy (AFM) were exploited to examine the surface morphology of produced polymers. These investigations showed that filling novel Schiff bases inside the polymers performed much better photostabilization than plain PVC. Hence, the photodecomposition rate constant, on the other hand, was calculated alongside the irradiation time.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Studying the photodecomposition rate constant and morphology properties of modified poly(vinyl chloride) with novel Schiff's bases

Kadhom¹,

Mohammed²,

Ghani

et al. 2023

Vinyl Additive Technology

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Morphology and Performance of PolyVinyl Chloride Thin Films Doped with Polyorganosilanes against Photodegradation

Mohamed

Yousif²,

Hameed³

et al. 2023

Silicon

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The importance of polymeric additives has taken an important role in industrial technology and its development and the increase in the consumption period of industrial products, especially plastic products. Therefore, a different type of polymeric additive was used, which can be classi ed as another type of polymeric additive, where three types of polymers were synthesized as polymeric additives. These polymers differ from each other only in stereo geometry. Three geometric shapes of the polymer were synthesized, namely, ortho, meta, and para polymers. They were studied as photo stabilizers for PVC and compared as the best photostabilizer for PVC. Polyorganosiloxane was invented by various technologies. Polyorganosilanes and poly(vinyl chloride) (PVC) were combined to create homogeneous lms. Various methods were used to investigate the effects of long-term irradiation on polyorganosilane-containing lms. The development of side products containing polyene and carbonyl groups was observed in the infrared spectra of PVC lms before, during, and after irradiation. The absorption bands' intensities of the functional groups associated with the polyorganosilanes were lower when it was present. Furthermore, it was observed that the weight of PVC lms dropped less when irradiating them after hybridization with polyorganosilanes. In the presence of polyorganosilanes, there was also a minor alteration in the surface of irradiated PVC. Photodegradation of PVC is inhibited by polyorganosilanes. Hence, the role of polyorganosilanes to stabilize PVC against UV exposure has been studied.

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Modification of poly(vinyl chloride) by mefenamic acid in presence of micro metallic oxides as self photostabilizer

Al‐Mashhadani

Fadhil

Ahmed

et al. 2023

Materials Science for Energy Technologies

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Silicon-carbide (SiC) nanocrystal as technology and characterization and its applications in photo-stabilizers of Teflon

Cited by 5 publications

References 23 publications

Studying the photodecomposition rate constant and morphology properties of modified poly(vinyl chloride) with novel Schiff's bases

Studying the photodecomposition rate constant and morphology properties of modified poly(vinyl chloride) with novel Schiff's bases

Morphology and Performance of PolyVinyl Chloride Thin Films Doped with Polyorganosilanes against Photodegradation

Modification of poly(vinyl chloride) by mefenamic acid in presence of micro metallic oxides as self photostabilizer

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