Preparation and Characterization of CarboxymethylCellulose Hydrogel Fibers

Liu, Jie; Zhang, Chuanjie; Miao, Dagang; Sui, Shuying; Deng, Fenglin; Dong, Chaohong; Lin, Zhang; Zhu, Ping

doi:10.1177/155892501801300302

Cited by 18 publications

(20 citation statements)

References 23 publications

(24 reference statements)

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“…The FT-IR spectrum for CMC crosslinked by Al-salt (CMC-Al) shows the presence of the carboxyl groups (-COOH) at 1618 cm −1 [42]. The absorption peak of the carboxyl groups is shifted to higher wavenumbers due to the crosslinking with aluminum [43]. The absorbtion peak of carboxyl groups for pure CMC is at 1586 cm −1 .…”

Section: Atr-ftir Measurementsmentioning

confidence: 99%

Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures

et al. 2019

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In this study, we investigated the enzymatical degradability and pilot-scale composting of 14 cellulose-based materials. The materials analyzed here were cellulose regenerated from ionic liquid (EMIM[OAc]), carboxymethyl cellulose (CMC) crosslinked by aluminum salt (Al-salt), methyl cellulose, cellulose acetate, butylated hemicellulose: DS: 1, DS: 0.4, and DS: 0.2, cellophane, wet strength paper, nanocellulose, paper partially dissolved by IL, cellulose carbamate, cellulose palmitate, and cellulose octanoate. The aim of the study was to show how chemical substituting and the substituent itself influence the biodegradability of cellulose materials. The enzymatic degradation and pilot-scale composting of these films shows the correlation between the hydrolysis rate and degree of substitution. The enzymatic hydrolysis of cellulose-based films decreased exponentially as the degree of substitution increased. Modifying cellulose to the extent that it gains the strength needed to obtain good mechanical properties, while retaining its natural biodegradability is an important factor when preparing alternatives for plastic films.

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Section: Atr-ftir Measurementsmentioning

confidence: 99%

Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures

et al. 2019

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“…The rheological properties of the spinning solution have great influence on processability, spinning process, and quality index of finished fibers. 10,31,32 Figure 3 shows the effect of shear rates on viscosity of blend solutions. It was indicated that the viscosity values of the four samples all decrease with increasing shear rate.…”

Section: Rheological Properties Of the Spinning Solutionsmentioning

confidence: 99%

“…7,8 Alginate fibers have been found in many applications in the biomedical fields, such as dressings to treat crush injury because of their good bio-compatibility, biodegradability, and hygroscopicity. 9,10 However, the low mechanical strength greatly restricted the application of alginate fibers. Nanofillers such as carbon black, silica, carbon nanotube, grapheme, and nanosized cellulose have been used to improve the mechanical properties of polymer nanocomposites.…”

Section: Introductionmentioning

confidence: 99%

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Sodium alginate/cellulose nanocrystal fibers with enhanced mechanical strength prepared by wet spinning

Liu

Zhang

et al. 2019

Journal of Engineered Fibers and Fabrics

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Sodium alginate/cellulose nanocrystal fibers were prepared using a wet spinning method to enhance the mechanical strength of sodium alginate fibers. Cellulose nanocrystals were prepared by sulfuric acid hydrolysis method. The particle diameter size was measured, and the morphology of cellulose nanocrystals was characterized by transmission electron microscopy and scanning electron microscopy. The structure and mechanical properties of sodium alginate/ cellulose nanocrystal fibers were characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and mechanical strength testing. The incorporation of cellulose nanocrystals significantly improved the strength of alginate fibers because of the uniform distribution of cellulose nanocrystals in the alginate matrix. The tensile strength and elongation at break of the alginate fibers increased from 1.54 to 2.05 cN/dtex and from 8.29% to 15.05% with increasing cellulose nanocrystals content from 0 to 2 wt%, respectively.

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“…The hydrogel film was formed due to the crosslinking function between Al 3+ and carboxyl groups of CMC. 15 The hydrogel obtained from this research is a thin transparent film and flexible. Meanwhile, the higher concentration of glycerol used for the production of hydrogel is easier to break.…”

Section: Formation Of Carboxymethyl Cellulose Cross-linked With Aluminium Sulphate Hydrogelmentioning

confidence: 99%

Synthesis of Sodium Carboxymethyl Cellulose-Based Hydrogel from Durian (Durio zibethinus) Rind Using Aluminium Sulphate as Crosslinking Agent

2021

TJNPR

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Also the chemical cross-linker can give a more physically stable hydrogel, but the major disadvantage of a chemical crosslinking agent is its toxic effect on humans. Therefore, this study was conducted to synthesize non-toxic cellulose-based hydrogels from durian (Durio zibethinus) rind waste using aluminium sulphate as a chemical crosslinking agent. Materials and Methods Chemicals and reagentsAll solvents and reagents used for this study were of analytical grade and products of Merck. They included sodium chloride, ethanol, methanol, glacial acetic acid, isopropyl alcohol, methanol, aluminium sulphate, polyvinyl alcohol (PVA), glycerol, sodium monochloro acetate, and distilled water.

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Preparation and Characterization of CarboxymethylCellulose Hydrogel Fibers

Cited by 18 publications

References 23 publications

Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures

Enzymatic Degradation and Pilot-Scale Composting of Cellulose-Based Films with Different Chemical Structures

Sodium alginate/cellulose nanocrystal fibers with enhanced mechanical strength prepared by wet spinning

Synthesis of Sodium Carboxymethyl Cellulose-Based Hydrogel from Durian (Durio zibethinus) Rind Using Aluminium Sulphate as Crosslinking Agent

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