Paper Production from Mauritian Hemp Fibres

Amode, Noushra Shamreen; Jeetah, Pratima

doi:10.1007/s12649-020-01125-y

Cited by 17 publications

(13 citation statements)

References 51 publications

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“…These researchers indicated that hot pressing improved interface adhesion between the two layers, improving barrier (by around 50%) and mechanical properties and thermal stability (no shrinkage of paper over 100 °C to 200 °C). Amode and Jeetah (2021) [ 59 ] produced 100% Mauritian hemp paper and demonstrated the best pulping method (12% NaOH at 90 °C for 90 min), giving apparent density of 141.54 kg/m 3 with water absorbency time as 1.436 s, while mechanical properties observed were burst strength of 0.323 kPa m 2 /g, tensile strength of 10.97 Nm/g, abrasion resistance of 37.5 cycles before rupture and crease recovery angle of 34.8°. Addition of tapioca starch (10–40%) efficiently improved tensile strength, burst strength, abrasion resistance, apparent density and resistance to water absorption [ 59 ].…”

Section: Hemp Polymeric Composites In Packaging Applicationsmentioning

confidence: 99%

“…Amode and Jeetah (2021) [ 59 ] produced 100% Mauritian hemp paper and demonstrated the best pulping method (12% NaOH at 90 °C for 90 min), giving apparent density of 141.54 kg/m 3 with water absorbency time as 1.436 s, while mechanical properties observed were burst strength of 0.323 kPa m 2 /g, tensile strength of 10.97 Nm/g, abrasion resistance of 37.5 cycles before rupture and crease recovery angle of 34.8°. Addition of tapioca starch (10–40%) efficiently improved tensile strength, burst strength, abrasion resistance, apparent density and resistance to water absorption [ 59 ]. Kirilovs et al (2015) [ 60 ] developed hemp fibers/shives mix boards that can be utilized as insulating materials.…”

Section: Hemp Polymeric Composites In Packaging Applicationsmentioning

confidence: 99%

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Applications of Hemp Polymers and Extracts in Food, Textile and Packaging: A Review

et al. 2022

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Hemp (Cannabis sativa Linn.) is a high-yielding annual crop farmed for its stalk fiber and oil-producing seeds. This specialized crop is currently experiencing a revival in production. Hemp fiber contains pectin, hemicellulose and lignin with superior strength, while hemp seed oil contains unsaturated triglycerides with well-established nutritional and physiological properties. Therefore, focus on the utilization of hemp in various industries is increasing globally. This study reviewed recent applications of hemp components, including fiber and extract, in food, textile and packaging applications. Hemp fibers mainly consisting of cellulose derivatives have superior strength to be used as reinforcements in thermoplastic packaging and paper. Combined physical and chemical modifications of hemp fibers improved mechanical and barrier properties of composite materials. Physically and chemically processed hemp extracts have been used in food and non-food applications. Functional foods containing hemp oils deliver nutrients by their unsaturated lipids. High-quality hemp fiber with several fiber modifications has been applied in garments. Innovative applications of hemp components and by-products are increasing, thereby facilitating utilization of green sustainable biomaterials.

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Section: Hemp Polymeric Composites In Packaging Applicationsmentioning

confidence: 99%

Section: Hemp Polymeric Composites In Packaging Applicationsmentioning

confidence: 99%

Applications of Hemp Polymers and Extracts in Food, Textile and Packaging: A Review

et al. 2022

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“…However, in addition to the morphological parameters of the fibers, high cellulose and low lignin contents are also essential evaluation criteria of a material planned to be used as a feedstock in pulp and paper industries and should be taken under consideration (Amode and Jeetah 2021). From a chemical point of view, cereals crop residues, i.e., wheat, maize, barley, rice, and rapeseed straw, contained an average lignin content of approximately 17% to 20% and an average cellulose content of 37% to 41%.…”

Section: Morphological Indices and Papermaking Potentialmentioning

confidence: 99%

A comparative fiber morphological analysis of major agricultural residues (used or investigated) as feedstock in the pulp and paper industry

Tsalagkas

Börcsök

Pásztory

et al. 2021

BioRes

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The suitabilities of major agricultural residues were assessed as papermaking feedstocks. All the examined agricultural residues were assumed as potential candidates for substituting hardwood fibers in mixed pulp blends from a fiber morphological perspective. Wheat, barley, rice, rapeseed, maize, sunflower, sugarcane bagasse, coconut husk, and two genotypes of miscanthus grass underwent identical maceration. The fiber length, fiber width, cell wall thickness, and lumen diameter were measured to calculate the slenderness ratio, flexibility coefficient, and Runkel ratio. The average fiber length ranged from 0.50 mm ± 0.32 mm (MG-S-02-V) to 1.15 mm mm ± 0.58 mm (sugarcane bagasse). The fiber width ranged from 10.77 μm ± 3.28 μm (rice straw) to 22.99 mm ± 5.20 mm (sunflower stalk). The lumen diameter ranged from 4.52 μm ± 2.52 μm (rice straw) to 13.23 μm ± 4.87 μm (sunflower stalk). The cell wall thickness ranged from 3.02 μm ± 0.95 μm (rice straw) to 4.80 μm ± 1.48 μm (sunflower stalk). The slenderness ratio, flexibility coefficient, and Runkel ratio values ranged between 28.08 to 58.11, 37.97 to 60.8, and 0.62 to 1.68, respectively. Wheat, maize, rapeseed, sugarcane bagasse, and coconut husk were found to be appropriate residue sources for papermaking feedstocks.

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“…As one of the three major components of plant biomass, cellulose has attracted much attention. Cellulose can be used to make paper, paperbased materials, hydrogels, and aerogel [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39]. Besides, cellulose and its derivatives can be applied in the field of electrical materials [40][41][42][43][44][45].…”

Section: Introductionmentioning

confidence: 99%

Effects of different amounts of cellulase on the microstructure and soluble substances of cotton stalk bark

Xie

Tian

Liu

et al. 2022

Adv Compos Hybrid Mater

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There are plant cuticle and complex cell walls on the outer surface of cotton stalk bark (CSB), which reduce the efficiency of liquid penetration of CSB. To increase the permeability of liquids, these barriers need to be broken. Cellulase can selectively hydrolyze cellulose into glucose, and its action conditions are mild. Therefore, cellulase treatment is one of the excellent ways to break the CSB liquid permeation barrier. This experiment studied the effects of different amounts of cellulase treatment on the enzymatic hydrolysis products and surface of CSB. Scanning electron microscopy (SEM) and nano-CT were used to observe the changes in the microscopic morphology of CSB. Ion chromatography and an ultraviolet–visible spectrophotometer were used to determine the dissolution of CSB. The results showed that the cuticle of CSB treated with cellulase was broken, and the cell wall of phloem fibers became thinner, which increased the accessibility of liquid. The content of monosaccharide and lignin in CSB treatment solution increased with the increase of cellulase dosage. Correspondingly, the proportion of polysaccharides on the outer surface of CSB continued to decline and eventually stabilized. These experimental results can provide a reference for improving the permeability of natural fibers and the subsequent treatment effects of biomass products. Graphical abstract The pretreatment of cotton stalk barks with cellulase destroyed the dense protective structure of cell wall, and the content of monosaccharide and lignin in the treated solution increased with the increase of cellulase dosage.

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Paper Production from Mauritian Hemp Fibres

Cited by 17 publications

References 51 publications

Applications of Hemp Polymers and Extracts in Food, Textile and Packaging: A Review

Applications of Hemp Polymers and Extracts in Food, Textile and Packaging: A Review

A comparative fiber morphological analysis of major agricultural residues (used or investigated) as feedstock in the pulp and paper industry

Effects of different amounts of cellulase on the microstructure and soluble substances of cotton stalk bark

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