Article
Chemistry, Applied
Cailean Q. Pritchard, George Funk, James Owens, Samantha Stutz, Ali Gooneie, Janak Sapkota, E. Johan Foster, Michael J. Bortner
Summary: A novel nanocomposite comprised of cellulose nanocrystals and oxidized cellulose nanofibers was prepared through solution casting, and the combination of these materials can be used to develop nanocomposites with enhanced mechanical properties.
CARBOHYDRATE POLYMERS
(2022)
Article
Polymer Science
Zahra Moazzami Goudarzi, Tayebeh Behzad, Aram Sheykhzadeh
Summary: The study investigated the effects of starch nanocrystals (SNC) and modified acetylated starch nanocrystals (ASNC) on the properties of LDPE/TPS/PE-g-MA blend. ASNC showed reduced hydrophilicity and better dispersion in non-polar solvents. Adding ASNC significantly improved mechanical properties and water absorption capacity of the nanocomposites.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Christoph Metzger, Heiko Briesen
Summary: The study demonstrates that CNCs containing residual salt in starch matrix can effectively enhance the mechanical properties of materials, showing potential as biobased and low-cost nanofillers.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2021)
Article
Biochemistry & Molecular Biology
Talita A. Santos, Marcia A. S. Spinace
Summary: The importance of using biodegradable polymers such as starch and cellulose to reduce environmental damage was discussed in the article, and the experimental results show that TPS/BC has good reinforcement effects in terms of mechanical properties.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Biochemistry & Molecular Biology
Guihua Yang, Yuanyuan Xia, Zhaoyun Lin, Kai Zhang, Pedram Fatehi, Jiachuan Chen
Summary: The cellulose nanocrystal-based oxidation system provides an alternative and green method to improve the oxidizing degree of starch. The cellulose nanocrystal functions as a prooxidant and reinforcing agent, significantly enhancing the properties of the starch-based composite films.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Materials Science, Composites
Cailean Q. Pritchard, Jacob J. Fallon, c Jeffrey Shelton, Katherine Heifferon, Cody Weyhrich, Boer Liu, Timothy E. Long, E. Johan Foster, Michael J. Bortner
Summary: The mechanical adaptivity of polymer composites containing cellulose nanocrystals (CNCs) has attracted great interest, and understanding the mass transport mechanism during water uptake is important for controlling and exploiting this behavior. The study shows that the swelling of the polymer composite during moisture uptake leads to a decrease in apparent diffusivity despite the increasing water uptake. By modifying the percolation model, the researchers can predict the time-dependent evolution of storage modulus during the softening process.
COMPOSITES SCIENCE AND TECHNOLOGY
(2022)
Article
Polymer Science
Maria Guadalupe Lomeli-Ramirez, Benjamin Reyes-Alfaro, Silvia Lizeth Martinez-Salcedo, Maria Magdalena Gonzalez-Perez, Manuel Alberto Gallardo-Sanchez, Gabriel Landazuri-Gomez, J. Jesus Vargas-Radillo, Tania Diaz-Vidal, Jose Guillermo Torres-Rendon, Emma Rebeca Macias-Balleza, Salvador Garcia-Enriquez
Summary: This study demonstrates that cellulose nanocrystals and nanofibers isolated from agro-waste can be used as reinforcements in a thermoplastic starch matrix to obtain environmentally friendly materials that can substitute contaminant polymers. The addition of nanocrystals and nanofibers improves the mechanical and antibacterial properties, as well as the solubility and water vapor permeability of the biocomposites. The study offers new insights into the improvement of starch films using different proportions of nanofibers and nanocrystals.
Article
Biochemistry & Molecular Biology
Midhun C. D. Dominic, Derval dos Santos Rosa, Paulo Henrique Camani, Athira S. Kumar, K. Neenu, P. M. Sabura Begum, Divya Dinakaran, Effina John, Donna Baby, Meenu Mariya Thomas, Jaison M. Joy, Jyotishkumar Parameswaranpillai, Mohammad Reza Saeb
Summary: The development of green thermoplastic starch nanocomposite films containing cellulose nanofibers extracted from Chrysopogon zizanioides roots showed enhanced tensile strength, tensile modulus, thermal stability, and crystallinity, making them suitable for sustainable packaging. Chrysopogon zizanioides roots have high potential for the polymer industry.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Environmental Sciences
Tingting Luo, Runkai Wang, Fei Chai, Lei Jiang, Pinhua Rao, Lili Yan, Xinjian Hu, Wei Zhang, Lianghuan Wei, Alireza Khataee, Ning Han
Summary: A new adsorbent (CNC-Mn-PEI) was successfully fabricated by introducing manganese as a bridge joint for the removal of As (III) from waste water. The incompact CNC and PEI were successfully connected by Mn ions, forming O-Mn-O bonds, and maintaining high removal efficiency in a wide pH range.
Article
Biochemistry & Molecular Biology
Luyao Zhang, Jing Zhao, Yu Zhang, Fei Li, Xu Jiao, Quanhong Li
Summary: Pumpkin starch was extracted and used to prepare films with cellulose nanocrystal and cellulose nanofiber, where CNC was found to enhance the tensile strength and CNF improved thermal stability. The properties of PS composite films can be effectively modified by incorporating CNC and CNF.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Polymer Science
Haitao Lang, Xianlei Chen, Jiarong Tian, Jing Chen, Mengna Zhou, Fangfang Lu, Shaoping Qian
Summary: In this study, the effect of microcrystalline cellulose (MCC) on the mechanical, thermal, and morphological properties of PBAT/TPS biodegradable film was investigated. The results showed that the optimal MCC content was 4%, which improved the tensile strength, elongation at break, and thermal stability of the film.
Article
Chemistry, Physical
Chuanwei Miao, Michelle Zhao, Wadood Y. Hamad
Summary: In this study, a new and facile method for preparing CNC/polymer nanocomposite latices via surfactant-free emulsion polymerization was reported. The distribution of CNCs in the latex particles could be controlled by adjusting the reaction procedures, resulting in improved mechanical properties of the nanocomposite latices. Unlike typical Pickering emulsion polymerization, this process does not require intense mechanical shearing and offers a scalable approach for preparing stable CNC/polymer nanocomposite latices that can be used in various applications.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2023)
Article
Chemistry, Applied
Vipawan Pitpisutkul, Jutarat Prachayawarakorn
Summary: Incorporating carboxymethyl starch and zinc oxide nanoparticles into hydroxypropyl methylcellulose film can improve its limitations for wound dressing application. The resulting films have increased moisture uptake, water vapor transmission rate, oxygen transmission rate, and antibacterial activity.
CARBOHYDRATE POLYMERS
(2022)
Article
Biochemistry & Molecular Biology
Chen Wang, Fei Song, Xiu-Li Wang, Yu-Zhong Wang
Summary: This study proposes a new biomass-mediated templating approach using cellulose nanocrystals to control the growth of gold nanoparticles. By regulating the self-assembly structure of nanocrystals, the size of gold nanoparticles can be precisely adjusted, resulting in high catalytic performance.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Agricultural Engineering
Yiwen Hua, Tianying Chen, Yanjun Tang
Summary: In this study, nano composite films composed of cellulose nanofiber and cellulose nanocrystal were prepared via vacuum filtration method, and the effects of different ratios on the performance of the films were investigated. The results showed that an equal proportion of cellulose nanofiber and cellulose nanocrystal resulted in the optimal performance of the nano composite films.
INDUSTRIAL CROPS AND PRODUCTS
(2022)