Influence of hybrid graphene oxide-carbon nanotube as a nano-filler on the interfacial interaction in nylon composites prepared by in situ interfacial polymerization

Cho, Beom-Gon; Lee, Seonghwan; Hwang, Sang-Ha; Han, Jong Hun; Chae, Han Gi; Park, Young‐Bin

doi:10.1016/j.carbon.2018.08.041

Cited by 39 publications

(20 citation statements)

References 66 publications

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“…This finding indicates that the thermal stability of the nanocomposite can be improved by the formation of covalent bonds between the filler and the PA66 matrix. Similar results have been reported elsewhere in the literature 7,25 …”

Section: Resultssupporting

confidence: 93%

“…Moreover, g‐CMWNTs have a higher mass‐loss due to the decomposition of PA66 than g‐APDMS‐CMWNTs, possibly due to the decomposition of PA66 and APDMS components. However, as shown in Figure 4(b), a small mass‐loss was detected for g‐APDMS‐CMWNTs in the temperature range of 500–600°C, which is due to the degradation of APDMS groups on the CMWNTs surface 24,25 …”

Section: Resultsmentioning

confidence: 91%

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Enhancement of physical and mechanical properties of polyamide 66 fibers using polysiloxane‐functionalized multi‐walled carbon nanotubes

Zhang

et al. 2020

J of Applied Polymer Sci

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A polyamide 66/3-aminopropyl-terminated poly(dimethylsiloxane) (PA66/ APDMS)-carboxylate multiwalled carbon nanotubes (CMWNTs) nanocomposite (PA66/APDMS-CMWNTs) was synthesized using a one-pot method, and the product was melt-spun into fibers. The glass transition temperature (T g) of the PA66/APDMS-CMWNTs nanocomposite fiber is 68.0 C, which is 22% higher than that of the pure PA66 fiber. This result indicates that there is a strong interfacial interaction between APDMS-CMWNTs and the PA66. Furthermore, the crystallinity of PA66/APDMS-CMWNTs nanocomposite fiber reaches a maximum due to the addition of APDMS-CMWNTs. Additionally, the tensile strength and Young's modulus of PA66/APDMS-CMWNTs nanocomposite fiber are 167% and 631% higher, respectively, than that of the pure PA66 fiber. The strengthening mechanism was discussed using force balance-based expression, which demonstrates that the stress on the PA66 is more efficiently transferred to the APDMS-CMWNTs. These results argue that using APDMS-CMWNTs as a filler can enhance the physical-mechanical properties of PA66 with an elevated degree never being reported.

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Section: Resultssupporting

confidence: 93%

Section: Resultsmentioning

confidence: 91%

Enhancement of physical and mechanical properties of polyamide 66 fibers using polysiloxane‐functionalized multi‐walled carbon nanotubes

Zhang

et al. 2020

J of Applied Polymer Sci

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“…Nylons are thermoplastic polyamide which possess high mechanical strength, brilliant chemical resistivity, and easy processability . Nylon 6.6 in the most widely used polymer in textile.…”

Section: Graphene Modified Textile Composites In Relevant To the Propmentioning

confidence: 99%

“…Nylon 6.6 in the most widely used polymer in textile. But, because of its solubility in specific solvents and low melt viscosity this polymer is difficult to be treated expansively using solution mixing approach and melt intercalation technique . However, graphene/nylon composites were found to effectively improve the dimensional stability and thermal conductivity of nylon.…”

Section: Graphene Modified Textile Composites In Relevant To the Propmentioning

confidence: 99%

“…Nonwoven nylons are normally used for synthesis of conductive fabrics 144a. However, some research produced graphene/nylon composites with improved mechanical and thermal properties . Wang et al prepared nylon6/sulfonated graphene (SG) composite by a new approach with sulfonated graphene (SG) precursor, through hydrolytic ring‐opening polymerization of 3‐caprolactam followed by molding.…”

Section: Graphene Modified Textile Composites In Relevant To the Propmentioning

confidence: 99%

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Graphene Modified Multifunctional Personal Protective Clothing

Bhattacharjee

Joshi

Chughtai

et al. 2019

Adv Materials Inter

173

134

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Personal protective clothing is intended to protect the wearer from various hazards (mechanical, biological, chemical, thermal, radiological, etc.) and inhospitable environmental conditions that may cause harm or even death. There are various types of personal protective clothing, manufactured with different materials based on hazards and end user requirements. Conventional protective clothing has impediments such as high weight, bulky nature, lack of mobility, heat stress, low heat dissipation, high physical stress, diminishing dexterity, diminishing scope of vision, lack of breathability, and reduced protection against pathogens and hazards. By virtue of the superlative properties of graphene, fabrics modified with this material can be an effective means to overcome these limitations and to improve properties such as mechanical strength, antibacterial activity, flame resistance, conductivity, and UV resistance. The limitations of conventional personal protective equipment are discussed, followed by necessary measures which might be taken to improve personal protective equipment (PPE), the unique properties of graphene, methods of graphene incorporation in fabrics, and the current research status and potential of graphene‐modified performance textiles relevant to PPE.

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Microstructural evolution and mechanical investigation of hot stretched graphene oxide reinforced polyacrylonitrile nanofiber yarns

Tan

Zhang

et al. 2020

Polymers for Advanced Techs

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To reveal the enhancement effect of graphene oxide (GO) in polymer nanofiber yarns, polyacrylonitrile (PAN)/GO nanofibers with different GO content (0.1‐0.5 wt%) were electrospun. The alignment of PAN chains and GO in nanofibers was enhanced by hot stretching of the yarn in dry conditions. The microstructure of the composite nanofiber yarns was investigated through X‐ray diffraction, polarized Fourier transform infrared spectroscopy and transmission electron microscopy. The results demonstrated that the hot stretching above Tg of PAN precursor lead to the increased orientation‐induced crystallization and alignment of PAN chain and GO. The yarn with 0.1 wt% GO and stretched by 4 times its length obtained the highest strength and modules (310.88 ± 24.68 MPa and 7.24 ± 0.55 GPa), which were 600% and 500% higher than those of the as‐electrospun pure PAN yarn. The most promising tensile properties found in hot stretched yarns with low GO content was because the strong interaction occurred between PAN molecules and oxygen‐containing functional groups. Indirect evidence of GO aggregation was also presented, which adversely affected the mechanical properties at higher GO content. Composite nanofiber yarns were sewable and weavable, and could be used as a new generation of composite reinforcement after pyrolysis.

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Influence of hybrid graphene oxide-carbon nanotube as a nano-filler on the interfacial interaction in nylon composites prepared by in situ interfacial polymerization

Cited by 39 publications

References 66 publications

Enhancement of physical and mechanical properties of polyamide 66 fibers using polysiloxane‐functionalized multi‐walled carbon nanotubes

Enhancement of physical and mechanical properties of polyamide 66 fibers using polysiloxane‐functionalized multi‐walled carbon nanotubes

Graphene Modified Multifunctional Personal Protective Clothing

Microstructural evolution and mechanical investigation of hot stretched graphene oxide reinforced polyacrylonitrile nanofiber yarns

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