Improving the mechanical properties of cellulose diacetate fibers via using an ionic liquid as processing solvent

RSC Advances ◽  
2016 ◽  
Vol 6 (1) ◽  
pp. 1-7 ◽  
Author(s):  
Na Liu ◽  
Baochun Wang ◽  
Shiyan Chen ◽  
Fuyou Ke ◽  
Ye Chen ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Cellulose Diacetate

CDA fibers with improved mechanical properties via using [BMIM]Cl ionic liquid which can be directly used for the production of fabric yarns and garments were fabricated and characterized.

Hydrogen Peroxide Biosensor Based on Cellulose Diacetate Ionic Liquid Film Immobilizing Myoglobin

2012 ◽  
Vol 39 (9) ◽  
pp. 1358-1362
Author(s):  
She-Ying DONG ◽  
Guang-Zhe GU ◽  
Zhu-Qing YU ◽  
Yuan-Zhen ZHOU ◽  
Hong-Sheng TANG ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Liquid Film ◽  
Cellulose Diacetate ◽  
Hydrogen Peroxide Biosensor

Effects of ionic liquid types on the tribological, mechanical, and thermal properties of ionic liquid modified graphene/polyimide shape memory composites

2021 ◽  
pp. 095400832199676
Author(s):  
Yuting Ouyang ◽  
Qiu Zhang ◽  
Xiukun Liu ◽  
Ruan Hong ◽  
Xu Xu ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Composite Materials ◽  
Shape Memory ◽  
Recovery Rate ◽  
Shape Recovery ◽  
Graphene Nanosheets ◽  
Mechanical And Thermal Properties ◽  
Thermal And Mechanical Properties ◽  
Modified Graphene

Different ionic liquid modified graphene nanosheets (IG) were induced into polyimide (PI) to improve the tribological, thermal, and mechanical properties of shape memory IG/PI composites. The results demonstrated that when using 1-aminoethyl-3-methylimidazole bromide to modify graphene nanosheets (IG-1), the laser-driven shape recovery rate of IG-1/PI composites (IGPI-1) reached 73.02%, which was 49.36% higher than that of pure PI. In addition, the IGPI-1 composite materials reached the maximum shape recovery rate within 15 s. Additionally, under dry sliding, the addition of IG can significantly improve the tribological properties of composite materials. IGPI-1 exhibited the best self-lubricating properties. Compared with pure PI, the friction coefficient (0.19) and wear rate (2.62 × 10–5) mm3/Nm) were reduced by 44.1% and 24.2%, respectively, and the T10% of IGPI-1 increased by 32.2°C. The Tg of IGPI-1 reached 256.5°C, which was 8.4°C higher than that of pure PI. In addition, the tensile strength and modulus of IGPI-1 reached 82.3 MPa and 1.18 GPa, which were significantly increased by 33.6% and 29.8%, respectively, compared with pure PI. We hope that this work will be helpful for the preparation of shape memory materials with excellent tribological, thermal, and mechanical properties.

Effect of heterogeneity in high-molecular cellulose diacetate on the physico-mechanical properties of films

1989 ◽  
Vol 21 (1) ◽  
pp. 34-36
Author(s):  
E. A. Nekhaenko ◽  
V. I. Ismakova ◽  
L. S. Gembitskii ◽  
L. N. Verkhotina ◽  
N. L. Kuz'mina ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Cellulose Diacetate

Dually Cross-Linked Single Network Poly(Ionic Liquid)/Ionic Liquid Ionogels for a Flexible Strain-Humidity Bimodal Sensor

Soft Matter ◽  
2021 ◽  
Author(s):  
Fengjin Xie ◽  
Xinpei Gao ◽  
Yang Yu ◽  
Fei Lu ◽  
Liqiang Zheng
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Ionic Conductivity ◽  
Flexible Electronics ◽  
High Ionic Conductivity ◽  
Gel Electrolytes ◽  
Poly Ionic Liquid

Gel electrolytes have aroused extensive interest for diverse flexible electronics due to their high ionic conductivity and inherent stretchability. However, gel electrolytes still face challenges in terms of mechanical properties,...

scholarly journals Preparation of Reswellable Amorphous Porous Celluloses through Hydrogelation from Ionic Liquid Solutions

Materials ◽  
2019 ◽  
Vol 12 (19) ◽  
pp. 3249 ◽  
Author(s):  
Satoshi Idenoue ◽  
Yoshitaka Oga ◽  
Daichi Hashimoto ◽  
Kazuya Yamamoto ◽  
Jun-ichi Kadokawa
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Amorphous Structure ◽  
X Ray Diffraction ◽  
Electron Microscopic ◽  
X Ray ◽  
Liquid Solutions ◽  
Scanning Electron Microscopic ◽  
Porous Morphology ◽  
Scanning Electron

In this study, we have performed the preparation of reswellable amorphous porous celluloses through regeneration from hydrogels. The cellulose hydrogels were first prepared from solutions with an ionic liquid, 1-butyl-3-methylimidazolium chloride (BMIMCl), in different concentrations. Lyophilization of the hydrogels efficiently produced the regenerated celluloses. The powder X-ray diffraction and scanning electron microscopic measurements of the products suggest an amorphous structure and porous morphology, respectively. Furthermore, the pore sizes of the regenerated celluloses, or in turn, the network sizes of cellulose chains in the hydrogels, were dependent on the concentrations of the initially prepared solutions with BMIMCl, which also affected the tensile mechanical properties. It was suggested that the dissolution states of the cellulose chains in the solutions were different, in accordance with the concentrations, which representatively dominated the pore and network sizes of the above materials. When the porous celluloses were immersed in water, reswelling was observed to regenerate the hydrogels.

Poly(ionic liquid)s with controlled architectures and their use in the making of ionogels with high conductivity and tunable rheological properties

2016 ◽  
Vol 7 (43) ◽  
pp. 6608-6616 ◽  
Author(s):  
H. Srour ◽  
M. Leocmach ◽  
V. Maffeis ◽  
A. C. Ghogia ◽  
S. Denis-Quanquin ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Rheological Properties ◽  
High Conductivity ◽  
Cross Linking ◽  
Poly Ionic Liquid

We describe the preparation as well as the electrochemical and mechanical properties of a series of novel well-defined poly(ionic liquids) (PILs) featuring a finely tuned cross-linking ratio.

Structure and Properties of Composite Films of Cellulose and Chitosan from Ionic Liquid

2012 ◽  
Vol 499 ◽  
pp. 80-84
Author(s):  
Huai Fang Wang ◽  
Wei Han Huang ◽  
Zhi Kai Wang
Keyword(s):  
Mechanical Properties ◽  
Thermal Stability ◽  
Ionic Liquid ◽  
Antimicrobial Property ◽  
Composite Films ◽  
Antibacterial Properties ◽  
Strong Interactions ◽  
Structure And Properties ◽  
Blend Films ◽  
Methyl Imidazole

A series of blend films of cellulose and chitosan were prepared from 1-ethyl-3-methyl imidazole acetate ([Emim] Ac) by coagulating with ethanol. Structure, mechanical properties, thermal stability and antibacterial properties were investigated. The results showed that there were strong interactions and good compatibility between cellulose and chitosan in blend films. The blend films possess good mechanical properties and thermal stability, and the existence of chitosan endows blend films with antimicrobial property.

Structure and Mechanical Properties of Regenerated Cellulose Fibers Wet-Spun from Ionic Liquid/Cosolvent Systems

2019 ◽  
Vol 20 (3) ◽  
pp. 501-511
Author(s):  
Young Jae Lee ◽  
Sung Jun Lee ◽  
Sang Won Jeong ◽  
Hyun-chul Kim ◽  
Tae Hwan Oh ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Ionic Liquid ◽  
Cellulose Fibers ◽  
Regenerated Cellulose
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