Studies of the fibre structure and dyeing properties of
            <i>
              <scp>C</scp>
              alotropis gigantea
            </i>
            , kapok and cotton fibres

Chen, Qin; Zhao, Tao; Wang, Ming; Wang, Jing

doi:10.1111/cote.12051

Cited by 53 publications

(28 citation statements)

References 19 publications

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“…6b ). Within the metabolic pathway, carbohydrate metabolism was the most highly represented with starch and sugar metabolism, a pathway involved in cellulose biosynthesis the main component of Sodom apple fiber [ 2 ], being assigned 120 unigenes (Fig. 6c ).…”

Section: Resultsmentioning

confidence: 99%

“…As reported, cellulose, lignin, and pectin are major components of fiber and their content in the fiber could significantly influence the yield and quality of fiber [ 2 ]. The genes for cellulose and pectin biosynthesis were identified in the starch-sugar pathway where a total of 120 genes were annotated in the KEGG pathway, whereas genes involved in lignin biosynthesis were found in the phenylpropanoid pathway where 66 unigenes were annotated to the pathway (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The Sodom apple, also called Crown Flower or Giant Milkweed, belongs to the Asclepiadaceae family and is a large evergreen shrub native to tropics and subtropics of Asia and Africa. Since its seed coat produces fine, silky, durable, and high-quality fiber which is used broadly in industrial applications, Sodom apple is known as Crystal Cotton [ 1 , 2 ]. The genus Calotropis has two species: Calotropis gigantea (native to continental Asia and South-East Asia) and C. procera (native to northern Africa and southern Asia) [ 3 , 4 ].…”

Section: Introductionmentioning

confidence: 99%

“…With cotton prices soaring in recent years, the textile industry worldwide is now facing severe challenges [ 2 ]. Exploring new fiber resources to enrich the fiber supply has drawn great attention in the industry.…”

Section: Introductionmentioning

confidence: 99%

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De novo sequencing and assembly analysis of transcriptome in the Sodom apple (Calotropis gigantea)

et al. 2015

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BackgroundThe Sodom apple (Calotropis gigantea), a member of the Asclepiadaceae family, is a large evergreen shrub native to continental Asia and northern Africa. As an important medicinal shrub and a fiber resource plant, there is an urgent need for developing molecular markers to facilitate breeding and genetic improvement of varieties.ResultsIn this study, using the Illumina high throughput sequencing technique we obtained about 45 million paired end sequencing reads, De novo assembled and generated a total of 133,634 transcripts with a mean of 1837.47 bp in length. Based on protein homology searches against available databases, a total of 21,851 unigenes were functionally annotated. In particular, many transcripts that encode for putative proteins involved in fiber and secondary metabolite biosynthesis were identified and analyzed. Key fiber genes identified were validated experimentally through Real-Time PCR technique. Various transcription factors involved in regulating plant response to abiotic stress were also identified. In addition, based on the unigene sequences assembled, 11,623 microsatellites loci were detected, which provide very useful resources for developing microsatellite molecular markers.ConclusionThis study is the first report on transcriptome information in the Calotropis species and provides rich gene transcript resources for conducting further studies on understanding the molecular basis of fiber and secondary metabolite biosynthesis, serving the genetic improvement and resource utilization in Calotropis plants.Electronic supplementary materialThe online version of this article (doi:10.1186/s12864-015-1908-3) contains supplementary material, which is available to authorized users.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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De novo sequencing and assembly analysis of transcriptome in the Sodom apple (Calotropis gigantea)

et al. 2015

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“…Wakida et al [26] attributed the increased dye uptake of mercerised cotton fibres to the lower crystallinity, while Tam et al [27] suggested that mercerisation disordered the surface of cotton fibres and increased adsorption sites for the dye molecules. Also, orientation of the crystal structure was found to have a more pronounced effect on the dyeing of native cellulosic fibres than their crystallinity [28]. The enhanced dyeability of plasma-treated cotton was attributed to the increased surface available for the dye molecules rather than to the change in crystallinity [29,30].…”

Section: Introductionmentioning

confidence: 99%

Characterisation of novel regenerated cellulosic, viscose, and cotton fibres and the dyeing properties of fabrics

Kamppuri

Vehviläinen

Puolakka

et al. 2015

Coloration Technology

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There is a global demand for constant increase in the production of textile fibres. Currently, the market for cellulosic fibres is dominated by cotton and viscose fibres. However, new alternative cellulosic fibres are being sought to meet the growing demand. The dyeing properties of novel fibres aiming at the marketplace are among the properties that determine their applicability to textiles. Recently, a novel process for producing cellulosic fibres, the Biocelsol process, has been scaled up so that the spinning of yarn from Biocelsol fibres is now possible. In this study, the reactive dye Levafix CA Blue was applied to cellulosic fabrics made from viscose, cotton, and Biocelsol yarns. The crystalline structure and morphology of the fibres were studied by Fourier transform infrared spectroscopy and field-emission scanning electron microscopy. The crystalline structure and morphology of the Biocelsol fibres resembled those of viscose fibres, but, owing to higher water absorption, the Biocelsol fabric had a higher dye exhaustion. The colour yield of the Biocelsol fabric was 62% and 41% higher than that of cotton and viscose fabrics respectively, suggesting that less dye is needed to gain a shade in Biocelsol fabric than in viscose and cotton fabrics.

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Valorization of kapok fiber by phosphorylation with a reactive phosphorus‐ and nitrogen‐containing flame retardant for enhanced fire safety

Zhang,

Tang

2024

J of Applied Polymer Sci

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Kapok fiber (KF) with a naturally hollow structure has found an increasing application in filling and composite materials, most of which have a demand of flame retardancy. To realize this high‐value utilization, KF was phosphorylated by a reactive phosphorus‐ and nitrogen‐containing flame retardant for enhanced fire safety. The flame retardant was first synthesized by the reaction of urea and diethylene triamine pentakis (methyl phosphonic acid) (a commercially available scale inhibitor) with low cost, and then, applied in the phosphorylation of KF in the presence of dicyandiamide. In thermogravimetric analysis, phosphorylated KF showed 38.1% residue weight in nitrogen and 10.2% residue weight in air at 700°C, whereas the residue weight of KF was 8.4% in nitrogen and 1.5% in air. In microcalorimetric analysis, the heat release capacity and total heat release of phosphorylated KF displayed a reduction of 81% and 55%, respectively. In vertical combustion test, phosphorylated KF was difficult to ignite and had no afterburning or smoldering. The tests indicated that phosphorylated KF had excellent charring properties, low heat release, and good flame retardancy. This work suggests a promising strategy of enhancing the flame retardancy of KF and increasing its applicability in filling and composite materials.

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Studies of the fibre structure and dyeing properties of C alotropis gigantea , kapok and cotton fibres

Cited by 53 publications

References 19 publications

De novo sequencing and assembly analysis of transcriptome in the Sodom apple (Calotropis gigantea)

De novo sequencing and assembly analysis of transcriptome in the Sodom apple (Calotropis gigantea)

Characterisation of novel regenerated cellulosic, viscose, and cotton fibres and the dyeing properties of fabrics

Valorization of kapok fiber by phosphorylation with a reactive phosphorus‐ and nitrogen‐containing flame retardant for enhanced fire safety

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