Sizing carbon fiber by in situ polymerization of maleic acid and glycerol for reinforcing polyamide 66

Yao, Lili; Lu, Youming; Zhang, Chenyang; Yang, Shulei; Yang, Changchun

doi:10.1002/app.52328

Cited by 7 publications

(2 citation statements)

References 38 publications

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“…The highest shear strengths of LFAM and PFAM are 83.5 kPa and 87.6 kPa at the filler-asphalt ratio of 1.2, respectively, showing a significant increase in shear strength. This indicates that the added fibers serve as the reinforcing and bridging roles in PSAM [17]. The reason is that the physical and chemical interactions occur between fibers and asphalt, such as adsorption, diffusion, chemical bonding, etc.…”

Section: Afm Testmentioning

confidence: 99%

Effects of Filler-Asphalt Ratio on the Properties of Lignin and Polyester Fiber Reinforced SMPU/SBS Modified Asphalt Mortar

Xia¹,

Wang²,

Xu³

et al. 2023

Journal of Renewable Materials

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To understand the effects of filler-asphalt ratio on different properties of lignin and polyester fiber reinforced shape memory polyurethane (SMPU)/styrene butadiene styrene (SBS) composite modified asphalt mortar (PSAM), as well as to reveal the reinforcing and toughening mechanisms of lignin and polyester fibers on PSAM, SMPU, SBS and mineral powder were first utilized to prepare PSAM. Then the conventional, rheological and anticracking properties of lignin fiber reinforced PSAM (LFAM) and polyester fiber reinforced PSAM (PFAM) at different filler-asphalt ratios were characterized. Test results indicate that the shear strength, deformation resistance and viscosity are increased after adding 0.8wt% lignin fiber or polyester fiber and increasing the filler-asphalt ratio from 0.8 to 1.2. The optimal filler-asphalt ratio of 1.0 is proposed after comprehensive performance assessments of PSAM. Polyester fiber shows a better reinforcing effect than lignin fiber, but its improvement in the thermal stability of PSAM is not significant at high temperatures. Additionally, the complex modulus, storage modulus, loss modulus and rutting resistance factor of PSAM are improved after adding lignin fiber and polyester fiber, as well as show an increasing trend as the filler-asphalt ratio is raised, but the phase angle is gradually decreased. Further, the increase of elastic components in PSAM effectively enhances the anti-deformation ability of PSAM at high temperatures, and polyester fiber more obviously improves the high-temperature deformation resistance of PSAM than lignin fiber. Finally, the anti-cracking performance of PFAM and LFAM at low temperatures is reduced by 74.2% and 46.7%, respectively, as the filler-asphalt ratio is raised from 0.8 to 1.2. The low-temperature anti-cracking performance of LFAM is lower than that of PFAM at the same filler-asphalt ratio, even lower than that of PSA. Compared with lignin fiber, the anti-cracking performance and deformation resistance of PSAM at low temperature is more greatly enhanced by polyester fiber.

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Section: Afm Testmentioning

confidence: 99%

Effects of Filler-Asphalt Ratio on the Properties of Lignin and Polyester Fiber Reinforced SMPU/SBS Modified Asphalt Mortar

Xia¹,

Wang²,

Xu³

et al. 2023

Journal of Renewable Materials

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show abstract

“…Because of their low weight, superior mechanical properties and high temperature resistance, carbon fibers (CF) have widely applied to composites materials, like structural stressed parts of aerospace and aviation, automotive and naval vessels. [1][2][3] Recent advances in polymer synthesis and composite processing technologies have enabled the use of thermoplastic resin in long CF composites. [4][5][6] Thermoplastic resins offer several advantages, such as fast forming, impact resistant, and easy to recycle, compared to thermoset resin.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of interfacial properties of carbon fiber reinforced polyphenylene sulfide resin by sulfur treatment

Yang

Zhang

et al. 2023

J of Applied Polymer Sci

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The properties of carbon fiber (CF) reinforced thermoplastic resin composites depend on the physical and chemical interaction between the fibers and the resins. However, surface oxidation is not always necessary. In this study, the interaction between CF and Polyphenylene sulfide (PPS) is enhanced by using an emulsion of reactive sulfur to treat the CF surface. The interlaminar shear strength (ILSS) of CF/PPS composites is experimentally investigated and found to be up to 79.7 MPa, an increase of 36.1% compared to the untreated CF. The enhancement mechanism of the modification method established is inferred. Scanning electron microscope (SEM) and X-ray photoelectron spectroscopy (XPS) results showed that sulfur etching on the surface of CF generated new functional groups, which improved the interfacial effect, and tightened the bond between CF and PPS. This indicates that sulfur treatment along with sizing must be a simpler method than surface oxidation to promote the interfacial bonding between CF and PPS.

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Recent advances of interfacial modifications toward carbon fiber‐reinforced thermoplastic polypropylene and polyamide composites

Yuan,

Wang,

Zhang

et al. 2024

Polymer Composites

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The performance of carbon fiber‐reinforced thermoplastic composites (CFRTP) has been restricted by the performance of the interface. In general, the interfacial properties of CFRTP are determined by both the surface properties of the carbon fiber (CF) reinforcement and the infiltration properties of the thermoplastic matrices, which possess high melt viscosity and seem difficult to sufficiently infiltrate the fiber reinforcement. As a result, the melt flow characteristics of different matrices significantly influence the interfacial melt penetration and mechanical properties of CFRTP. In this paper, in order to explore the influence of melt flow characteristics of various thermoplastic resins toward CFRTP interfacial behaviors, high‐polarity polyamide (PA) and low‐polarity polypropylene (PP) resins are selected as representative resin matrices among commonly used resin systems. Specifically, the polarity differences and interface‐forming mechanisms of CFRTP are first established. Following a systematical discourse on the latest research progress of interfacial modifications in PP/PA‐based CFRTP are described, centering on the effects of various modification methods on improving the interlaminar/interfacial strength, toughness, impact strength, and bending strength of the composites. In addition, this paper also classifies the interfacial mechanisms of CFRTP in terms of interface bonding, interface strengthening, and interface failure. Finally, the shortcomings and future research directions are pointed out to achieve effective interfacial construction and innovative modification of CFRTP.Highlights An introduction of resin polarity differences of CFRTP is established. An introduction of interface‐forming mechanisms of CFRTP is established. State‐of‐art characterization techniques of CFRPs interface are provided. Effect of melt flow property on the interfacial behavior of CFRTP was explored. The interfacial mechanisms are systematically analyzed.

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Sizing carbon fiber by in situ polymerization of maleic acid and glycerol for reinforcing polyamide 66

Cited by 7 publications

References 38 publications

Effects of Filler-Asphalt Ratio on the Properties of Lignin and Polyester Fiber Reinforced SMPU/SBS Modified Asphalt Mortar

Effects of Filler-Asphalt Ratio on the Properties of Lignin and Polyester Fiber Reinforced SMPU/SBS Modified Asphalt Mortar

Enhancement of interfacial properties of carbon fiber reinforced polyphenylene sulfide resin by sulfur treatment

Recent advances of interfacial modifications toward carbon fiber‐reinforced thermoplastic polypropylene and polyamide composites

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