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You searched for: Journal Cellulose Remove constraint Journal: Cellulose Publication Year 2015 Remove constraint Publication Year: 2015 Source 2015 v.22 no.2 Remove constraint Source: 2015 v.22 no.2
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1. A comparison between acrilic resin and butanetetracarboxylic acid used to bind TiO2 nanoparticles to cotton fabrics

Author:
Bonet, M.; Bou-Belda, E.; Monllor, P.; Gisbert, J.; Díaz, P.; Montava, I.
Source:
Cellulose 2015 v.22 no.2 pp. 1347-1354
ISSN:
0969-0239
Subject:
Fourier transform infrared spectroscopy; X-radiation; cellulose; cotton; cotton fabric; energy; energy-dispersive X-ray analysis; foaming; nanoparticles; scanning electron microscopy; spraying; titanium dioxide; washing
Abstract:
... In order to apply finishing particles onto fabrics, several methods such as, padding, bath exhaustion, spraying and foaming can be used. In this research, spray treatment is compared to padding when applying TiO₂nanoparticles onto textiles. Cotton fabric surfaces were observed by scanning electron microscopy and characterized by Fourier Transform Infrared spectroscopy and energy dispersive using X ...
DOI:
10.1007/s10570-015-0545-y

2. Analysis of factors affecting the performance of activated peroxide systems on bleaching of cotton fabric

Author:
Fei, Xiuzhu; Yao, Jinlong; Du, Jinmei; Sun, Chang; Xiang, Zhonglin; Xu, Changhai
Source:
Cellulose 2015 v.22 no.2 pp. 1379-1388
ISSN:
0969-0239
Subject:
bleaching; bleaching agents; cellulose; cotton; cotton fabric; experimental design; factor analysis; hydrogen peroxide; pH; screening; temperature; water quality
Abstract:
... A screening experiment was designed to investigate the possible factors affecting the performance of activated peroxide systems (APSs) on bleaching of cotton fabric. The design of experiment comprised thirteen factors such as type of bleach activator (BA), concentration of bleach activator ([BA]), molar ratio of hydrogen peroxide to bleach activator ([H₂O₂]:[BA]), type of peroxide stabilizer (PS), ...
DOI:
10.1007/s10570-015-0550-1

3. Cellulose acetate core–shell structured electrospun fiber: fabrication and characterization

Author:
Khalf, Abdurizzagh; Singarapu, Kumar; Madihally, Sundararajan V.
Source:
Cellulose 2015 v.22 no.2 pp. 1389-1400
ISSN:
0969-0239
Subject:
Fourier transform infrared spectroscopy; cell adhesion; cellulose; cellulose acetate; drugs; encapsulation; human umbilical vein endothelial cells; mineral oil; molecular weight; plastics; rheology; tensile strength; tissue culture; tissue engineering; viability; viscosity
Abstract:
... This study explored the effect of type of core fluids on the fabrication of hollow and core–sheath cellulose acetate (CA) fiber. Tailoring the CA fiber with desirable features such as reinforced core, porous and hollow structure provides unique features for use in various applications. Fibers with such characteristics can be used for better controlled release drug delivery system or to promote cel ...
DOI:
10.1007/s10570-015-0555-9

4. Cellulose diacetate films as a solid-phase matrix for fluorescence analysis of pyrene traces in aqueous media

Author:
Shipovskaya, Anna B.; Gubina, Tamara I.; Strashko, Anna V.; Malinkina, Olga N.
Source:
Cellulose 2015 v.22 no.2 pp. 1321-1332
ISSN:
0969-0239
Subject:
cellulose; cetyltrimethylammonium bromide; fluorescence; micelles; octoxynol; sodium dodecyl sulfate; solubilization; surfactants
Abstract:
... We report on the possibility of using cellulose diacetate (CDA) films as a solid-phase matrix for the fluorescence analysis of pyrene in aqueous micellar media. We examined the effect of the concentration of three surfactants—the anionic sodium dodecyl sulfate (SDS), the cationic cetyltrimethylammonium bromide (CTAB), and the nonionic polyoxyethylene (10) mono-4-isooctylphenyl ether (TX-100)—on th ...
DOI:
10.1007/s10570-015-0572-8

5. Cellulose electro-active paper fabricated by facile solvent exchange pretreatment and its physical and electromechanical properties

Author:
Zhai, Lindong; Mun, Seongcheol; Gao, Xiaoyuan; Kim, Jeong Woong; Kim, Jaehwan
Source:
Cellulose 2015 v.22 no.2 pp. 927-933
ISSN:
0969-0239
Subject:
cellulose; electronics; heat; lithium chloride; paper; pulp; solubility; solvents; viscosity
Abstract:
... The cellulose electro-active paper (EAPap) has been discovered as a smart material that can be used for sensors, actuators and flexible electronics. EAPap is made from regenerated cellulose that requires dissolving cellulose pulp using solvents with a heating process. However the heating process in dissolving cellulose is very critical to the performance of EAPap. In this paper, we introduce a new ...
DOI:
10.1007/s10570-015-0553-y

6. Chromophores in lignin-free cellulosic materials belong to three compound classes. Chromophores in cellulosics, XII

Author:
Korntner, Philipp; Hosoya, Takashi; Dietz, Thomas; Eibinger, Klaus; Reiter, Heidemarie; Spitzbart, Martin; Röder, Thomas; Borgards, Andrea; Kreiner, Wolfgang; Mahler, Arnulf Kai; Winter, Heribert; Groiss, Yvonne; French, Alfred D.; Henniges, Ute; Potthast, Antje; Rosenau, Thomas
Source:
Cellulose 2015 v.22 no.2 pp. 1053-1062
ISSN:
0969-0239
Subject:
acetates; benzoquinones; bleaching; cellulose; cotton; viscose
Abstract:
... The chromophore release and identification method isolates well-defined chromophoric substances from different cellulosic matrices, such as highly bleached pulps, cotton linters, bacterial cellulose, viscose or lyocell fibers, and cellulose acetates. The chromophores are present only in extremely low (ppm to ppb) concentrations. The concept of primary and secondary chromophores is introduced, with ...
DOI:
10.1007/s10570-015-0566-6

7. Comparison of highly transparent all-cellulose nanopaper prepared using sulfuric acid and TEMPO-mediated oxidation methods

Author:
Sun, Xiuxuan; Wu, Qinglin; Ren, Suxia; Lei, Tingzhou
Source:
Cellulose 2015 v.22 no.2 pp. 1123-1133
ISSN:
0969-0239
Subject:
cellulose; crystal structure; electronics; glass; nanocrystals; oxidation; sulfuric acid; tensile strength; thermal expansion; thermal stability; transmittance; wettability; wood pulp
Abstract:
... Transparent cellulose films from 2,2,6,6-tetramethylpiperidine-1-oxyl radical oxidized cellulose nanocrystals (TOCNs) and 64 wt% sulfuric acid treated cellulose nanocrystals (SACNs) were prepared from bleached wood pulp. Film morphology, optical, mechanical, thermal, and surface wettability properties were characterized and compared. The results showed that TOCNs and SACNs had different average le ...
DOI:
10.1007/s10570-015-0574-6

8. Comprehensive analysis of cellulose content, crystallinity, and lateral packing in Gossypium hirsutum and Gossypium barbadense cotton fibers using sum frequency generation, infrared and Raman spectroscopy, and X-ray diffraction

Author:
Lee, Christopher M.; Kafle, Kabindra; Belias, David W.; Park, Yong Bum; Glick, Richard E.; Haigler, Candace H.; Kim, Seong H.
Source:
Cellulose 2015 v.22 no.2 pp. 971-989
ISSN:
0969-0239
Subject:
temporal variation; polymers; flowering; X-ray diffraction; lint cotton; cell walls; Gossypium hirsutum; crystal structure; principal component analysis; Gossypium barbadense; cellulose; air drying; cell wall components; bolls; Raman spectroscopy
Abstract:
... The mesoscale packing and crystal structure of cellulose microfibrils as well as temporal changes in cell wall composition and hydration during the development of cotton fibers from two species, Gossypium hirsutum and G. barbadense were studied using vibrational sum frequency generation (SFG), attenuated total refection infrared (ATR-IR), Fourier transform Raman (FT-Raman) spectroscopy and X-ray d ...
DOI:
10.1007/s10570-014-0535-5

9. Covalent bonding and photochromic properties of double-shell polyurethane-chitosan microcapsules crosslinked onto cotton fabric

Author:
Fan, Fei; Zhang, Wan; Wang, Chaoxia
Source:
Cellulose 2015 v.22 no.2 pp. 1427-1438
ISSN:
0969-0239
Subject:
Fourier transform infrared spectroscopy; cellulose; chemical bonding; chitosan; citric acid; color; cotton; cotton fabric; crosslinking; thermal stability
Abstract:
... The research aims at treating cotton fabrics with double-shell polyurethane-chitosan photochromic microcapsules using the coating method. FTIR indicated that an acylamino group formed between the hydroxyl of cotton fabric and amino group of the chitosan shell. The surface morphology of treated cotton fabrics revealed the compact and uniform distribution of double-shell polyurethane-chitosan microc ...
DOI:
10.1007/s10570-015-0567-5

10. Different preparation methods and properties of nanostructured cellulose from various natural resources and residues: a review

Author:
Jonoobi, Mehdi; Oladi, Reza; Davoudpour, Yalda; Oksman, Kristiina; Dufresne, Alain; Hamzeh, Yahya; Davoodi, Reza
Source:
Cellulose 2015 v.22 no.2 pp. 935-969
ISSN:
0969-0239
Subject:
nanofibers; refining; nanocrystals; wood; Urochordata; plant fibers; cellulose; acid hydrolysis; grinding; natural resources; homogenization
Abstract:
... The main goal of this article is to provide an overview of recent research in the area of cellulose nanomaterial production from different sources. Due to their abundance, renewability, high strength and stiffness, eco-friendliness and low weight, numerous studies have been reported on the isolation of cellulose nanomaterials from different cellulosic sources and their use in high-performance appl ...
DOI:
10.1007/s10570-015-0551-0

11. Direct solvent nanowelding of cellulose fibers to make all-cellulose nanocomposite

Author:
Yousefi, Hossein; Mashkour, Mahdi; Yousefi, Razieh
Source:
Cellulose 2015 v.22 no.2 pp. 1189-1200
ISSN:
0969-0239
Subject:
bleaching; cellulose; cellulosic fibers; drying; functional properties; hemicellulose; lignin; lithium chloride; mechanical properties; nanocomposites; nanofibers; solvents
Abstract:
... Highly purified cellulose fibers were directly welded at nanoscale using dimethyl acetamide containing lithium chloride (DMAc/LiCl) solvent. For welding fibers directly at nanoscale, lignin and hemicelluloses were first removed from the nano-disconnection between laterally adjacent nanofibrils through proper bleaching; hence, nano-scale pores were created between lateral nanofibrils. The solvent p ...
DOI:
10.1007/s10570-015-0579-1

12. Droplets of cellulose nanocrystal suspensions on drying give iridescent 3-D “coffee-stain” rings

Author:
Mu, Xiaoyue; Gray, Derek G.
Source:
Cellulose 2015 v.22 no.2 pp. 1103-1107
ISSN:
0969-0239
Subject:
cellulose; color; droplets; drying; evaporation; nanocrystals; wavelengths
Abstract:
... Films prepared from aqueous suspensions of cellulose nanocrystals (CNC) often display iridescent colors due to the reflection of light from the helicoidal orientation of the rod-like CNC in the film. Droplets of CNC suspension deposited on a plane surface evaporate to give films that display iridescent rings. Profilometry measurements across the rings show that the outer edge of the films is much ...
DOI:
10.1007/s10570-015-0569-3

13. Dyeing performances of ramie fabrics modified with an amino-terminated aliphatic hyperbranched polymer

Author:
Wang, Guo-Wei; Chen, Bin; Zhuang, Ling-Hua; Yun, Kang; Guo, Jia-Rong; Wang, Yan; Xu, Bin
Source:
Cellulose 2015 v.22 no.2 pp. 1401-1414
ISSN:
0969-0239
Subject:
X-ray diffraction; cellulose; crystal structure; dyeing; epichlorohydrins; fabrics; mercerization; molecular weight; nitrogen content; polymers; ramie; tensile strength; titration; washing
Abstract:
... An amino-terminated aliphatic hyperbranched polymer (HBP-NH₂) was used to modify ramie fabric. The molecular weight of HBP-NH₂was established by GPC. HBP-NH₂structure might represent as BA₄BA₃BA₃(third generation). The total amine value, secondary amine value and primary amine value of HBP-NH₂were 291.59, 210.14 and 81.45 mg/g respectively with hydrochloric acid—ethanol titration method. The unmod ...
DOI:
10.1007/s10570-015-0558-6

14. Effect of the carbohydrate composition of bleached kraft pulp on the dielectric and electrical properties of paper

Author:
Saukkonen, Esa; Lyytikäinen, Katja; Backfolk, Kaj; Maldzius, Robertas; Sidaravicius, Jonas; Lozovski, Tadeus; Poskus, Andrius
Source:
Cellulose 2015 v.22 no.2 pp. 1003-1017
ISSN:
0969-0239
Subject:
temperature; electrical conductivity; sodium hydroxide; dielectric properties; xylan; models; bleached kraft pulp; cellulose; paper; carbohydrate composition; electric current; Betula
Abstract:
... The effects of hemicellulose removal from bleached birch kraft pulp by alkaline extraction with sodium hydroxide on the dielectric, electrical and electrostatic properties of paper material have been examined. The hemicellulose content, particularly the xylan content, of birch kraft pulp has an effect on the dielectric constant and on the dielectric loss factor. The real part of the dielectric con ...
DOI:
10.1007/s10570-015-0556-8

15. Efficient flocculation of an anionic dye from aqueous solutions using a cellulose-based flocculant

Author:
Cai, Tao; Li, Haijiang; Yang, Ran; Wang, Yawen; Li, Ruihua; Yang, Hu; Li, Aimin; Cheng, Rongshi
Source:
Cellulose 2015 v.22 no.2 pp. 1439-1449
ISSN:
0969-0239
Subject:
additives; ammonium chloride; aqueous solutions; cellulose; flocculants; flocculation; image analysis; molecular weight; neutralization; pH; salt concentration; sodium chloride
Abstract:
... In this current work, a series of cellulose-based flocculants, carboxymethyl cellulose-graft-poly[(2-methacryloyloxyethyl) trimethyl ammonium chloride] (CMC-g-PDMC) with different grafting ratios were successfully synthesized. CMC-g-PDMC bears high flocculation performance in removal of an anionic dye, Acid Green 25 (AG25), at various pH conditions, which is due to improvement of both positive cha ...
DOI:
10.1007/s10570-015-0571-9

16. Eucalyptus pulp as an adsorbent for biodiesel purification

Author:
Squissato, André L.; Fernandes, David M.; Sousa, Raquel M. F.; Cunha, Rafael R.; Serqueira, Dalyelli S.; Richter, Eduardo M.; Pasquini, Daniel; Muñoz, Rodrigo A. A.
Source:
Cellulose 2015 v.22 no.2 pp. 1263-1274
ISSN:
0969-0239
Subject:
Eucalyptus; Helianthus annuus; X-ray diffraction; acid value; adsorbents; biodiesel; cellulose; cellulosic fibers; fiber content; filtration; glycerol; hemicellulose; magnesium; methanol; molecular weight; oxidative stability; potassium; pulp; sieving; sodium; transesterification; viscometry; viscosity; washing; wastewater; water content
Abstract:
... This work proposes the use of eucalyptus pulp as an adsorbent for biodiesel purification. Methyl sunflower biodiesel was produced by alkaline transesterification and passed through a column containing the adsorbent. The evaluated impurities were free glycerol, methanol, water content and alkali metals (Na⁺, K⁺, Ca²⁺and Mg²⁺). The cellulose fibers were fractionated by sieving in three fractions (si ...
DOI:
10.1007/s10570-015-0557-7

17. Examination of biological hotspot hypothesis of primary cell wall using a computational cell wall network model

Author:
Nili, Abdolmadjid; Yi, Hojae; Crespi, Vincent H.; Puri, Virendra M.
Source:
Cellulose 2015 v.22 no.2 pp. 1027-1038
ISSN:
0969-0239
Subject:
cell wall components; cell walls; cellulose; glass transition; mechanical properties; models; pectins; xyloglucans
Abstract:
... Computational modeling reveals that a cell wall network whose mechanical integrity is dominated by a small mass fraction of “hotspot” linkers between microfibrils can sit close to a percolation threshold, across which mechanical integrity is very sensitive to the number of hotspots. In the model, the mechanical properties of cell wall fragments consisting of cellulose microfibrils and xyloglucan l ...
DOI:
10.1007/s10570-015-0568-4

18. Fibrous cellulose membrane mass produced via forcespinning® for lithium-ion battery separators

Author:
Weng, Baicheng; Xu, Fenghua; Alcoutlabi, Mataz; Mao, Yuanbing; Lozano, Karen
Source:
Cellulose 2015 v.22 no.2 pp. 1311-1320
ISSN:
0969-0239
Subject:
acetates; alkaline hydrolysis; batteries; cellulose; differential scanning calorimetry; electrochemistry; electrolytes; heat treatment; lithium; membrane potential; polypropylenes; porosity; separators; thermal stability; wettability
Abstract:
... In this study, fibrous cellulose membranes were successfully mass produced by forcespinning®cellulose acetate, followed by alkaline hydrolysis treatment. Its performance as lithium-ion battery separator was evaluated. The cellulose membrane exhibits a randomly-oriented, fully-interconnected and highly porous three-dimensional fibrous network structure with a high porosity of 76 %. The developed me ...
DOI:
10.1007/s10570-015-0564-8

19. In-situ preparation and characterization of highly oriented graphene oxide/cellulose-poly(butylene succinate) ternary composite films

Author:
Yan, Cheng-Yu; Ren, Peng-Gang; Zhang, Zeng-Ping; Wang, Hao; Li, Zhong-Ming
Source:
Cellulose 2015 v.22 no.2 pp. 1243-1251
ISSN:
0969-0239
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; cellulose; graphene; hydrogen bonding; hydrophilicity; ionic liquids; scanning electron microscopy; tensile strength
Abstract:
... Graphene oxide/cellulose-poly(butylene succinate) (GO/CE-PBS) films with excellent mechanical properties were prepared via the help of ionic liquid. During the process of preparation of the composite films, PBS as the toughening material was added to the composite with the dissolution of CE. The X-ray diffraction results showed that GO was completely exfoliated in the CE-PBS matrix. Fourier-transf ...
DOI:
10.1007/s10570-015-0559-5

20. Intrinsic viscosity of suspensions of electrosterically stabilized nanocrystals of cellulose

Author:
Lenfant, G.; Heuzey, M. C.; van de Ven, T. G. M.; Carreau, P. J.
Source:
Cellulose 2015 v.22 no.2 pp. 1109-1122
ISSN:
0969-0239
Subject:
cellulose; ionic strength; models; nanocrystals; nanofibers; nanoparticles; pH; viscosity; zeta potential
Abstract:
... Electrosterically stabilized nanocrystals of cellulose (ENCCs) have emerged recently as new cellulose nanoparticles among common nanocrystals of cellulose (NCCs) and cellulose nanofibers. ENCC has a special structure being composed of a crystal with protruded amorphous chains at each endcaps bearing carboxyl groups. Here, we studied the intrinsic viscosity of aqueous suspensions of ENCCs as a func ...
DOI:
10.1007/s10570-015-0573-7