Integrating direct reuse and extraction recovery of TEMPO for production of cellulose nanofibrils

Chen, Shaohuang; Ning, Yuping; Cui, Mei; Penkova, Anastasia V.; Huang, Renliang; Qi, Wei; He, Zhimin; Su, Rongxin

doi:10.1016/j.carbpol.2022.119803

Cited by 21 publications

(6 citation statements)

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In contrast, to the best of our knowledge, the recovery of chemicals in TEMPO pretreatment appears more difficult and less eco-friendly. 15…”

Section: Resultsmentioning

confidence: 99%

“…In contrast, to the best of our knowledge, the recovery of chemicals in TEMPO pretreatment appears more difficult and less eco-friendly. 15 Low toxicity, a low reaction temperature with a high reaction efficiency and chemical recovery rate mean the preparation of MA-CNFs satisfies the principles of green chemistry, offering a promising solution to high-performance CNF production with high industrial relevance.…”

Section: Cnf Preparationmentioning

confidence: 99%

“…9 However, such pretreatment causes fibril degradation, leading to length reduction, 9,10 and a high content of carboxyl groups results in low thermal stability. 11,12 Moreover, the high cost 13 and toxicity 14 of TEMPO, together with difficulty in TEMPO recovery 15 restrain the further industrialization of TEMPO-treated CNFs (TEMPO-CNFs). Also, nanopaper films based on TEMPO-CNFs are normally very brittle in comparison with synthetic polymer films such as polyamide (PA) or polyethylene terephthalate (PET), 16,17 and they have relatively low toughness (typically <10 MJ m −3 ) [18][19][20] and inferior folding endurance (<2), 21 resulting in great limitations on many applications.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Eco-friendly cellulose nanofibrils with high surface charge and aspect ratio for nanopaper films with ultrahigh toughness and folding endurance

Zhang,

Jin,

Lim

et al. 2023

Green Chem.

View full text Add to dashboard Cite

show abstract

“…In contrast, to the best of our knowledge, the recovery of chemicals in TEMPO pretreatment appears more difficult and less eco-friendly. 15…”

Section: Resultsmentioning

confidence: 99%

Section: Cnf Preparationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Eco-friendly cellulose nanofibrils with high surface charge and aspect ratio for nanopaper films with ultrahigh toughness and folding endurance

Zhang,

Jin,

Lim

et al. 2023

Green Chem.

View full text Add to dashboard Cite

show abstract

“…Cellulose nanofibers (CNFs), obtained by 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)/NaBr/NaClO catalytic oxidation and mechanical stripping, are a type of biomass nanomaterials with natural cellulose I crystalline structures. − CNFs possess outstanding features, such as high aspect ratios, superior mechanical qualities, flexibility, and hydrophilicity, and are widely used in flexible materials , and energy storage materials, , such as transparent conductive films , and flexible batteries. − As a result, we constructed three-dimensional (3D) intercalated CNF-rGO-NiCoLDH film electrode materials inspired by the layered structure of layered hydroxides. Rich ion channels and electronic networks are imaginatively created by combining graphene as a plane layer, LDH as a support layer, and CNF as a connector and flexible agent.…”

Section: Introductionmentioning

confidence: 99%

Constructing a 3D Ion Transport Channel-Based CNF Composite Film with an Intercalated Structure for Superior Performance Flexible Supercapacitors

Yan,

Cheng,

Guan

et al. 2024

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

The weak stiffness, huge thickness, and low specific capacitance of commonly utilized flexible supercapacitors hinder their great electrochemical performance. Learning from a biomimetic interface strategy, we design flexible film electrodes based on functional intercalated structures with excellent electrochemical properties and mechanical flexibility. A composite film with high strength and flexibility is created using graphene (reduced graphene oxide (rGO)) as the plane layer, layered double metal hydroxide (LDH) as the support layer, and cellulose nanofiber (CNF) as the connection agent and flexible agent. The interlayer height can be adjusted by the ion concentration. The highly interconnected network enables excellent electron and ion transport channels, facilitating rapid ion diffusion and redox reactions. Moreover, the high flexibility and mechanical properties of the film achieve multiple folding and bending. The CNF-rGO-NiCoLDH film electrode exhibits high capacitance performance (3620.5 mF cm −2 at 2 mA cm −2 ), excellent mechanical properties, and high flexibility. Notably, flexible all-solid assembled CNF-rGO-NiCoLDH//rGO has an extremely high area energy density of 53.5 mWh cm −2 at a power density of 1071.2 mW cm −2 , along with cycling stability of 89.8% retention after 10 000 charge−discharge cycles. This work provides a perspective for designing high-performance energy storage materials for flexible electronics and wearable devices.

show abstract

“…[1] However, accompanied with the huge demand for plastic products in global markets, difficult to be completely removed from the nanofibers after the reaction, so the CNF-based material prepared by TEMPOmediated oxidation is difficult to meet the requirements of food safety. [18,19] Furthermore, TEMPO is a relatively expensive reactant, therefore this method has certain limitations in industrial production.…”

Section: Introductionmentioning

confidence: 99%

Ultrastrong, Thermally Stable, and Food‐Safe Seaweed‐Based Structural Material for Tableware

Han

Qian

et al. 2022

Advanced Materials

View full text Add to dashboard Cite

acid) (PLA) (Anhui BBCA Group Co., Ltd., weight-average molecular weight (Da): 110 969 Da, melt index (g/10 min): 11.93, relative viscosity: 1.9) was first placed in 100 mL in a crucible and heated in a preset high temperature oven at 185 °C for 30 min. Then, the SCNSM sample was immersed in the molten PLA slurry for 3 s and quickly taken out. Finally, the samples were cooled down at room temperature to form thin PLA film on the surface then the PLA-treated SCNSM sample is obtained.

show abstract

Integrating direct reuse and extraction recovery of TEMPO for production of cellulose nanofibrils

Cited by 21 publications

References 45 publications

Eco-friendly cellulose nanofibrils with high surface charge and aspect ratio for nanopaper films with ultrahigh toughness and folding endurance

Eco-friendly cellulose nanofibrils with high surface charge and aspect ratio for nanopaper films with ultrahigh toughness and folding endurance

Constructing a 3D Ion Transport Channel-Based CNF Composite Film with an Intercalated Structure for Superior Performance Flexible Supercapacitors

Ultrastrong, Thermally Stable, and Food‐Safe Seaweed‐Based Structural Material for Tableware

Contact Info

Product

Resources

About