New Synthesis Routes toward Improvement of Natural Filler/Synthetic Polymer Interfacial Crosslinking

Nassar, Mahmoud M. A.; Tarboush, Belal J. Abu; Alzebdeh, Khalid I.; Al-Hinai, Nasr; Pervez, Tasneem

doi:10.3390/polym14030629

Cited by 8 publications

(7 citation statements)

References 54 publications

(55 reference statements)

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“…The CF outcome is more stable than the CFRP. At around 700 °C, the weight began to drop [ 98 , 99 , 100 , 101 , 102 , 103 , 104 , 105 ]. The PLA was resistant to a continuous transition heat due to lacking of contaminants.…”

Section: Resultsmentioning

confidence: 99%

Carbon Fiber/PLA Recycled Composite

et al. 2022

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Due exceptional properties such as its high-temperature resistance, mechanical characteristics, and relatively lower price, the demand for carbon fiber has been increasing over the past years. The widespread use of carbon-fiber-reinforced polymers or plastics (CFRP) has attracted many industries. However, on the other hand, the increasing demand for carbon fibers has created a waste recycling problem that must be overcome. In this context, increasing plastic waste from the new 3D printing technology has been increased, contributing to a greater need for recycling efforts. This research aims to produce a recycled composite made from different carbon fiber leftover resources to reinforce the increasing waste of Polylactic acid (PLA) as a promising solution to the growing demand for both materials. Two types of leftover carbon fiber waste from domestic industries are handled: carbon fiber waste (CF) and carbon fiber-reinforced composite (CFRP). Two strategies are adopted to produce the recycled composite material, mixing PLA waste with CF one time and with CFRP the second time. The recycled composites are tested under tensile test conditions to investigate the impact of the waste carbon reinforcement on PLA properties. Additionally, thermogravimetric analysis (TGA), X-ray diffraction (XRD), and Fourier-transformed infrared spectroscopy (FTIR) is carried out on composites to study their thermal properties.

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Section: Resultsmentioning

confidence: 99%

Carbon Fiber/PLA Recycled Composite

et al. 2022

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“…On the other hand, Figure 6 shows the deconvolution of the C1s levels of all the samples analyzed, which are in accordance with most data of the literature. [ 16,20,34,35 ] Carbon atoms bound only to other carbon atoms (CC) and hydrogen atoms (CH) occur at around 283.6 eV. Carbon bound to an oxygen atom (CO) occurs at approximately 285.0 eV.…”

Section: Resultsmentioning

confidence: 99%

“…On the other hand, Figure 6 shows the deconvolution of the C1s levels of all the samples analyzed, which are in accordance with most data of the literature. [16,20,34,35]…”

Section: Xps Analysismentioning

confidence: 99%

“…Due to its capacity to undergo pyrolysis at high temperatures, PVA has a melting point of roughly 230 C, hydrolyzes between 180-190 C, and quickly decomposes over 200 C. [16][17][18] Organic coatings, polymeric component, flexible electronics, biomedical devices, and medical technology are just a few of the applications that rely on functional polymer surfaces produced in cutting-edge scientific and technological fields. [19][20][21] Surface modification of polymers can be utilized to improve biological resistance, compatibility or degradability, impact response, thermal stability, multiphase physical response, flexibility, stiffness, and other properties. [22][23][24] According to the literature, the most common PVA modification processes involving hydroxyl groups are esterification, etherification, and acetalization.…”

Section: Introductionmentioning

confidence: 99%

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New strategies for surface modification of poly (vinyl alcohol) toward click chemistry applications

Nassar

Alzebdeh

Awad

et al. 2023

Polymer Engineering & Sci

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In this study, new synthesis strategies for poly (vinyl alcohol) (PVA) functionalized with azidation (Az) and alkynation (Alk) were carried out for surface functionality modification. These two functionalization routes utilize azide and alkyne groups, respectively, and offer simple way to enhance the PVA crosslinking capabilities toward producing new functional polymer‐based materials. The Az functionalized PVA was prepared in two steps and denoted by PVA‐Az, while Alk functionalized PVA was prepared in one step to produce PVA‐Alk. Surfaces modification of PVA by using Az and Alk functional groups was confirmed by spectral analysis (Fourier transform infrared and 13C‐NMR). Results showed that Alk prompted excellent chemical modifications on the surface of PVA while the thermal stability was enhanced by functionalizing the Az and Alk into PVA. Furthermore, X‐ray photoelectron spectroscopy investigations showed a successful functionalization and new functional groups addition to PVA surface. Scanning electron microscope images were used to analyze the surface morphology of PVA by incorporating the Az and Alk groups, which indicated rougher surfaces compared to that of PVA backbone. In terms of efficiency and simplicity, the techniques used in this study appear to be entirely satisfactory.

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“…Among the critical issues preventing the market penetration of bio-composites is the interfacial bonding between natural fibers and polymer matrices. In this regard, Alzebdeh et al [ 3 ] described a new synthesis route comprising the treatment and functionalization of both date palm powder (DPP) filler and a polypropylene (PP) matrix to enhance filler–polymer adhesion in newly developed bio-composites. Fourier transform infrared spectroscopy (FTIR) confirmed the successful coupling between the filler and polypropylene matrix after applying the treatment and functionalization schemes.…”

mentioning

confidence: 99%