Die Chemie der Pflanzenfasern. Cellulosen, Oxycellulosen, Lignocellulosen

Cross, C. F.; Bevan, E. J.; Beadle, Clayton

doi:10.1002/cber.18930260348

Cited by 28 publications

(3 citation statements)

References 2 publications

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“…A couple of years later, viscose, a new process to regenerate cellulose fibers in a larger scale, was developed. This process rendered possible the utilization of cellulose in different fields such as textile industry, construction, ceramics, paints, cosmetics or food industry [ 8 , 9 ]. A newer technology, in comparison to viscose production, the Lyocell process, was introduced into the market during the 1980s and uses direct dissolution of cellulose to produce lyocell fibers mainly for the textile industry [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Ionic Liquids and Cellulose: Dissolution, Chemical Modification and Preparation of New Cellulosic Materials

Işık

Sardón

Mecerreyes

2014

IJMS

378

215

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Due to its abundance and a wide range of beneficial physical and chemical properties, cellulose has become very popular in order to produce materials for various applications. This review summarizes the recent advances in the development of new cellulose materials and technologies using ionic liquids. Dissolution of cellulose in ionic liquids has been used to develop new processing technologies, cellulose functionalization methods and new cellulose materials including blends, composites, fibers and ion gels.

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Section: Introductionmentioning

confidence: 99%

Ionic Liquids and Cellulose: Dissolution, Chemical Modification and Preparation of New Cellulosic Materials

Işık

Sardón

Mecerreyes

2014

IJMS

378

215

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“…Alkali treatment of cellulose I is one of the oldest known industrial processes. In the field of fibre production, it is known as the viscose process [42][43][44]. In viscose process, cellulose from pulp is converted to cellulose xanthogenate.…”

Section: Conventional Cellulose II Production Methods -Alkali Treatmentmentioning

confidence: 99%

Cellulose II as bioethanol feedstock and its advantages over native cellulose

Nagarajan

Skillen

Irvine

et al. 2017

Renewable and Sustainable Energy Reviews

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Alternative renewable energy must emerge to sustainably meet the energy demands of the present and future. Current alternatives to fossil fuels are electricity from solar, wind and tidal energies and biofuels. Biofuels, especially bioethanol could be produced from lignocellulosic feedstock via pre-treatment and fermentation. The cellulose I content of most lignocellulosic feedstock is significant, yet its highly crystalline amphiphilic structure interlinked with the lignin network makes it difficult to process for bioethanol production. Processing lignocellulosic biomass via a range of physico-chemical, mechanical and biological pre-treatment methods have been well established, however a relatively new area on the use of cellulose II (a polymorph of native cellulose obtained via mercerisation or regeneration) for the production of bioethanol is still in its early stages. Hence, this review discusses in detail the advantages of using cellulose II over cellulose I as feedstock for bioethanol production. Furthermore, current green and sustainable methods for cellulose II production and the advantages and disadvantages of each method are discussed. In addition, examples from literature reporting higher fermentable sugar and bioethanol yields using cellulose II as feedstock are reviewed, thereby highlighting its importance in the field of bioethanol production. The conclusion from this review suggests that, in all the cases studied, fermentable sugar and/or bioethanol production was found to be higher when cellulose II was used as feedstock instead of native cellulose/lignocellulosic biomass. This higher yield could be attributed to the modified structural and lattice arrangement of cellulose II, its porous volume and degree of polymerisation.

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“…The partial insolubility and semi-crystalline characteristics of cellulose make it suitable for a structuring material . Historically, cellulose has played an important role in industrial advancements, such as in fibers (e.g., Rayon fibers, 1890s , ) and films (e.g., Cellophane, early 1900s). Particle forms of cellulose (e.g., microcrystalline cellulose and nanocellulose) are used widely in dispersion-based applications to stabilize ingredients, ranging from paint and fertilizers to food and pharmaceuticals .…”

Section: Introductionmentioning

confidence: 99%

Rheological Behavior for α-1,3-Glucan Derived from Enzymatic Polymerization of Sucrose

Giacomin

Kim

Wagner

2022

ACS Food Sci. Technol.

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Semi-crystalline, water-insoluble α-1,3-glucan, found naturally in mushrooms, can be applied as a structuring material and is produced industrially through enzymatic polymerization of sucrose as a sustainable material. However, a basic understanding of its rheological properties as a function of composition and processing is needed for many applications. In this work, we find that rheological shear history and weight fraction define the viscosity profiles, which can be further modeled using a Cross model with common exponent m′ = 1.183 and characteristic relaxation time of C = 0.0772 s, confirming soft solid behavior typically observed for suspensions. Relative viscosities, yield stress, and elastic and viscous moduli show exponential growth with the skeletal volume fraction, ϕdry. Suspensions prepared with a polymer of varying polymerization chain lengths, from 260 to 930 degrees of polymerization, show similar rheology at the same wt % solids. These results and their parameterization provide valuable information for the α-1,3-glucan product and process design.

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Die Chemie der Pflanzenfasern. Cellulosen, Oxycellulosen, Lignocellulosen

Cited by 28 publications

References 2 publications

Ionic Liquids and Cellulose: Dissolution, Chemical Modification and Preparation of New Cellulosic Materials

Ionic Liquids and Cellulose: Dissolution, Chemical Modification and Preparation of New Cellulosic Materials

Cellulose II as bioethanol feedstock and its advantages over native cellulose

Rheological Behavior for α-1,3-Glucan Derived from Enzymatic Polymerization of Sucrose

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