Synthesis and characterization of cellulose fibers grafted with hyperbranched poly(3-methyl-3-oxetanemethanol)

Yang, Qiang; Pan, Xuejun; Huang, Fang; Li, Kecheng

doi:10.1007/s10570-011-9587-y

Cited by 34 publications

(13 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Our results are supported by published report on pretreated switch grass (Li et al, 2010 ). Similarly the other band at 2,920 cm −1 is ascribed to C-H vibration for alkanes (Liu et al, 2006 ), and CH 2 –(C 6 )–bending vibration (Yang et al, 2011 ). The noticeable peak at 1,735 cm −1 which is ascribed to C = O stretching vibration in acetyl groups of the hemicelluloses was observed in untreated WH biomass (Karatzos et al, 2012 ), the intensity of this peak was very weak for the [Emim][Br] pretreated sample, as compared to the other ILs pretreated samples (Figure 2 ).…”

Section: Resultsmentioning

confidence: 93%

“…Structurally, cellulose is having three hydroxyl groups which interact with other hydroxyl groups to form secondary valence bonds and responsible for cellulose crystallinity and chain structure by forming hydrogen bonding network. Changes in the peak intensity at 3,348 cm −1 showed the disruption of intermolecular and intra molecular hydrogen bonding (Alemdar and Sain, 2008 ; Yang et al, 2011 ). Comparative FTIR analysis revealed the efficacy of cellulosic hydrogen bond disruption by [Emim][Br] and [Edmim][Br] than the other ILs-pretreatment for WH biomass.…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Imidazolium Based Ionic Liquids: A Promising Green Solvent for Water Hyacinth Biomass Deconstruction

et al. 2018

View full text Add to dashboard Cite

Water hyacinth (WH) is a troublesome aquatic weed of natural and artificial water bodies of India and other tropical countries and causing severe ecological problems. The WH biomass is low in lignin content and contains high amount of cellulose and hemicellulose, making it suitable material for conversion into liquid fuels for energy production. This study highlighted that, how different imidazolium based ionic liquids (ILs) [1-alkyl-3-methylimidazolium bromide, [Cnmim]Br (n = 2, 4, 6, 8, and 10)] with tunable properties can be employed for the degradation of WH biomass. Different characterizations techniques, such as XRD, FT-IR, SEM, and DSC are used to unravel the interplay between ILs and the biomass. In this study, it is observed that [Emim][Br] pretreated samples have maximum crystalline value (Crl = 26.38%) as compared to other ionic liquids pretreatments. FTIR data showed the removal of lignin from WH biomass by 12.77% for [Emim][Br] and 10.74% for [Edmim][Br]. SEM images have proven that [Emim][Br] pretreatment have altered the structure of biomass the most. Our results proved that IL pretreatment is a promising approach for effective treatment of WH biomass and causes high levels disruption of cellulose structure.

show abstract

Section: Resultsmentioning

confidence: 93%

Section: Resultsmentioning

confidence: 99%

Imidazolium Based Ionic Liquids: A Promising Green Solvent for Water Hyacinth Biomass Deconstruction

et al. 2018

View full text Add to dashboard Cite

show abstract

“…As-prepared SPEs displayed the disappearance or reduction of the peak at ca. 960 cm −1 ( Figure 2 b,c), which can be attributed to the functional group -C-O-C [ 24 ] indicating the successful polymerization of poly (EOM). The broad peaks in the range of 3100–3700 cm −1 for all electrolytes indicate the presence of H-bonded N anions along with the trace amounts of physiosorbed water molecules [ 25 ].…”

Section: Resultsmentioning

confidence: 99%

“…SPEs also displayed the main peaks of -CH 3 and -CH 2 stretching at 2962 and 2882 cm −1 , respectively. In addition, the peak at 840 cm −1 is ascribed to Li-O rocking, indicating the interaction of ether oxygen atoms with Li ion [ 24 ].…”

Section: Resultsmentioning

confidence: 99%

Lithium Salt Catalyzed Ring-Opening Polymerized Solid-State Electrolyte with Comparable Ionic Conductivity and Better Interface Compatibility for Li-Ion Batteries

et al. 2022

View full text Add to dashboard Cite

Rechargeable lithium-ion batteries have drawn extensive attention owing to increasing demands in applications from portable electronic devices to energy storage systems. In situ polymerization is considered one of the most promising approaches for enabling interfacial issues and improving compatibility between electrolytes and electrodes in batteries. Herein, we observed in situ thermally induced electrolytes based on an oxetane group with LiFSI as an initiator, and investigated structural characteristics, physicochemical properties, contacting interface, and electrochemical performances of as-prepared SPEs with a variety of technologies, such as FTIR, 1H-NMR, FE-SEM, EIS, LSV, and chronoamperometry. The as-prepared SPEs exhibited good thermal stability (stable up to 210 °C), lower activation energy, and high ionic conductivity (>0.1 mS/cm) at 30 °C. Specifically, SPE-2.5 displayed a comparable ionic conductivity (1.3 mS/cm at 80 °C), better interfacial compatibility, and a high Li-ion transference number. The SPE-2.5 electrolyte had comparable coulombic efficiency with a half-cell configuration at 0.1 C for 50 cycles. Obtained results could provide the possibility of high ionic conductivity and good compatibility through in situ polymerization for the development of Li-ion batteries.

show abstract

“…Surface grafting multihydroxyl hyperbranched polyether onto cellulose fiber . Copyright Springer 2011.…”

Section: Modifying Natural Plant Fiber By Hyperbranched Polymermentioning

confidence: 99%

Hyperbranched Polymers in Modifying Natural Plant Fibers and Their Applications in Polymer Matrix Composites—A Review

Sun

2019

J. Agric. Food Chem.

View full text Add to dashboard Cite

Natural plant fibers have been widely used in the agricultural and forest industries, and even in the automobile industry, especially for producing fiber reinforced polymer matrix composites. However, the low mechanical properties of composites remain the key problem in the applications. A hyperbranched polymer has lots of advantages such as low viscosity, high reactivity, and so on. Multireactive end groups of hyperbranched polymers are ideal for modifying natural plant fibers to achieve better interface bonding between a fiber and resin matrix. This manuscript reviews some research advances in hyperbranched-polymer-modified natural plant fibers and summarizes the applications of the modified fibers in polymer matrix composites with a particular focus on the chemical modification of fibers and interface bonding.

show abstract

Synthesis and characterization of cellulose fibers grafted with hyperbranched poly(3-methyl-3-oxetanemethanol)

Cited by 34 publications

References 33 publications

Imidazolium Based Ionic Liquids: A Promising Green Solvent for Water Hyacinth Biomass Deconstruction

Imidazolium Based Ionic Liquids: A Promising Green Solvent for Water Hyacinth Biomass Deconstruction

Lithium Salt Catalyzed Ring-Opening Polymerized Solid-State Electrolyte with Comparable Ionic Conductivity and Better Interface Compatibility for Li-Ion Batteries

Hyperbranched Polymers in Modifying Natural Plant Fibers and Their Applications in Polymer Matrix Composites—A Review

Contact Info

Product

Resources

About