Formaldehyde formation during the preparation of dialdehyde carboxymethyl cellulose tanning agent

Yi, Yudan; Jiang, Zhicheng; Yang, Shangjuan; Ding, Wei; Wang, Yanan; Shi, Bi

doi:10.1016/j.carbpol.2020.116217

Cited by 45 publications

(19 citation statements)

References 23 publications

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“…For example, DS difference will affect the extent of periodate oxidation and then bring about the difference in the reactivity of DCMC. 17 It has been previously shown that collagen in aqueous solution was assembled via dialdehyde polysaccharides cross-linking and then freeze dried to remove water and resulted in a porous network. The porous structure of the collagen matrix can be changed by adjusting the dosage or aldehyde content of dialdehyde polysaccharides.…”

Section: Introductionmentioning

confidence: 99%

Effect of Dialdehyde Carboxymethyl Cellulose Cross-Linking on the Porous Structure of the Collagen Matrix

Zhang

Mansel

et al. 2022

Biomacromolecules

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Porous structures are essential for some collagen-based biomaterials and can be regulated by crosslinkers. Herein, dialdehyde carboxymethyl cellulose (DCMC) crosslinkers with similar size but different aldehyde group contents were prepared through periodate oxidation of sodium carboxymethyl cellulose with varying degrees of substitution (DS). They can penetrate into the hierarchy of fibril and form inter-molecular and intra-fibril cross-linking within the collagen matrix due to their nanoscale sizes and reactive aldehyde groups. The collagen matrices possessed higher porosity, significantly greater proportion of large pores (Φ > 10 μm), and shorter D-periodicity after cross-linking, showing greater potential for biomedical applications. In addition, the crosslinked collagen matrices showed satisfactory biocompatibility and biodegradation. The decreased DS of carboxymethyl cellulose, which led to the increased aldehyde content of corresponding DCMC, brought about an enhanced cross-linking degree, porosity, and proportion of large pores of the crosslinked collagen matrix. DCMC dosage of 6% was sufficient for cross-linking and pore formation. Excess DCMC would physically deposit in the matrix and decrease the porosity instead. Therefore, the desired pore properties of the collagen matrix could be obtained by regulating the structure of DCMC and thereby achieving the required functions of the biomaterial.

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Section: Introductionmentioning

confidence: 99%

Effect of Dialdehyde Carboxymethyl Cellulose Cross-Linking on the Porous Structure of the Collagen Matrix

Zhang

Mansel

et al. 2022

Biomacromolecules

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“…Compared with the spectrum of SSPS, a new characteristic peak at 1737 cm À1 appeared in the FT-IR spectrum of DPA, which should be the stretching vibration of -CHO. [35][36][37] The peak intensity increased with increasing sodium periodate dosage, suggesting that more aldehyde groups were formed by the oxidation of hydroxyl groups primarily in the C-2 and C-3 positions of the glucose unit (Scheme 1). The peak of the -OH stretching vibration enhanced absorption at 3447 cm À1 aer oxidation due to the scission of the glycosidic bonds and the formation of more hydroxyl groups.…”

Section: Fourier Transform Infrared Spectroscopy (Ftir) Analysismentioning

confidence: 99%

Optimization of dialdehyde soluble soybean polysaccharide: preparation by response surface methodology for cleaner leather tanning

et al. 2022

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“…To obtain purified cellulose pulp, hemicellulose and lignin are usually removed by the cooking and bleaching methods. [ 101‐105 ] Generally, some lignin is firstly removed by cooking plan raw materials using the sulfite solution or alkali solution. After being bleached, the residual lignin is further removed, and the resulting bleaching pulp can be employed in papermaking.…”

Section: Preparation Of Mofs Cellulose Derivatives and Mof@cellulose Hybridsmentioning

confidence: 99%

Recent Progress in Metal‐Organic Frameworks@Cellulose Hybrids and Their Applications

et al. 2021

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In recent years, metal‐organic frameworks (MOFs) are attracting increasing attention due to their charming properties. However, the intrinsic fragility, powdered crystalline state, and poor processibility of MOFs hinder their further application. By this, the designs of MOF‐based aerogels, hydrogels, membranes are effective ways to solve this problem. Graphene, silica, synthetic polymer and cellulose are the commonly used raw materials for fabricating MOF‐based aerogels, hydrogels, and membranes. Among them, cellulose and its derivatives are the best candidates to support the powdered MOFs from the perspectives of economy, environmental protection and property. This review focuses on discussing the advantages of MOF@cellulose hybrids in applications such as water treatment, antibacterial, gas separation and adsorption, energy storage, drug delivery, catalysis, and other smart composites. MOF@cellulose‐based aerogels, hydrogels and membranes can provide valuable guidance for investigating the practical application of MOFs in terms of processability, reusability, stability and easiness in handling.

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Formaldehyde formation during the preparation of dialdehyde carboxymethyl cellulose tanning agent

Cited by 45 publications

References 23 publications

Effect of Dialdehyde Carboxymethyl Cellulose Cross-Linking on the Porous Structure of the Collagen Matrix

Effect of Dialdehyde Carboxymethyl Cellulose Cross-Linking on the Porous Structure of the Collagen Matrix

Optimization of dialdehyde soluble soybean polysaccharide: preparation by response surface methodology for cleaner leather tanning

Recent Progress in Metal‐Organic Frameworks@Cellulose Hybrids and Their Applications

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