Article
Polymer Science
Helena Oliver-Ortega, Shiyu Geng, Francesc Xavier Espinach, Kristiina Oksman, Fabiola Vilaseca
Summary: The study focused on utilizing bacterial cellulose from kombucha tea fermentation as a reinforcing nanofiber network in PMMA matrix, leading to the creation of lightweight, porous nanocomposites with excellent mechanical properties. The nanofibrils in the KBC network had diameters ranging between 20-40 nm and exhibited high crystallinity (>90%). The prepared nanocomposites showed uniform structure, high stiffness, and were homogeneously impregnated with the PMMA matrix, demonstrating the potential of KBC as a template for polymer nanocomposites.
Article
Polymer Science
Ana M. Diez-Pascual
Summary: PEDOT:PSS/SnO2 nanocomposites prepared by a simple, low-cost, environmentally friendly method show improved thermal stability, electrical conductivity, and Seebeck coefficient compared to neat PEDOT:PSS, while maintaining almost unchanged optical transparency. These sustainable nanocomposites have potential for applications in energy storage, flexible electronics, and thermoelectric devices.
Review
Chemistry, Multidisciplinary
Muhammad Naziff Ahamad Said, Nurul Anis Hasbullah, Muhammad Ridhwan Hafiz Rosdi, Muhamad Sharan Musa, Arjulizan Rusli, Azlan Ariffin, Mohamad Danial Shafiq
Summary: This review discusses the synthesis of graphene oxide (GO)-incorporated poly(methyl methacrylate) (PMMA) nanocomposites (PMMA-GO) and their applications as multifunctional structural materials. It focuses on radical polymerization techniques, such as bulk and emulsion polymerization, and the effect of solvent polarity and types of surfactants and initiators on the polymerization process. Concentration and dispersity of GO are critical for the functionality and performance of PMMA-GO nanocomposites.
Article
Polymer Science
Chujuan Huang, Toyoko Suzuki, Hideto Minami
Summary: In this study, micrometer-sized block copolymer particles were successfully synthesized using iodine transfer polymerization as a first attempt. Methyl methacrylate (MMA) and vinyl acetate (VAc) were used as the hydrophilic monomers in a microsuspension system. The resulting poly(methyl methacrylate)-block-poly(vinyl acetate) (PMMA-b-PVAc) particles exhibited the desired molecular weight and relatively narrow molecular weight distribution, despite the low degree of polymerization of the PVAc block. The hydrolysis of these particles resulted in three different morphologies, and the formation mechanism of each morphology was proposed, attributing it to the interaction between the iodic ions generated from the degradation of iodine end groups and the elongated poly(vinyl alcohol) (PVA) segments derived from PVAc.
Article
Chemistry, Multidisciplinary
Sergey Tkachev, Miguel Monteiro, Joao Santos, Ernesto Placidi, Mohamed Ben Hassine, Pedro Marques, Paulo Ferreira, Pedro Alpuim, Andrea Capasso
Summary: An efficient and inexpensive method has been proposed to produce high-quality graphene dispersions for spray-coating flexible electrodes and assembling touch screen prototypes, overcoming environmental issues associated with hazardous solvents. The combination of liquid-phase exfoliation with shear-mixing and tip sonication techniques in cyrene produces high-concentration graphene inks. The resulting electrodes exhibit low sheet resistance, high optical transmittance, high signal-to-noise ratio, and multi-touch functionality, showcasing the potential integration of LPE-graphene in commercial flexible electronics.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Polymer Science
Jose Costa de Macedo Neto, Bruno Mello de Freitas, Adalberto Gomes de Miranda, Reinaldo de Almeida Rodrigues, Gilberto Garcia Del Pino, Antonio Claudio Kieling, Marcos Dantas dos Santos, Sergio Duvoisin Junior, Antonio Estanislau Sanches, Israel Gondres Torne, Claudia Candida Silva, Joao Carlos Martins da Costa, Roger Hoel Bello
Summary: The aim of this study was to investigate the stability and morphology of polystyrene latex with kaolinite as a filler during the synthesis of nanocomposites through emulsion polymerization. Nanocomposites with different weight percentages of kaolinite (1%, 3%, and 5%) were prepared. Latexes with 1% to 3% kaolinite showed stability during the polymerization reaction, and the hydrodynamic diameters were measured to be 93.68 nm and 82.11 nm for the latexes with 1% and 3% kaolinite, respectively. XRD, SEM, and HRTEM analysis confirmed the presence of exfoliated and intercalated structures of kaolinite.
Article
Agricultural Engineering
Yu Wang, Dingwen Yin, Qiang Guo, Jin-Tian Huang
Summary: This study successfully prepared oil absorbents with superhydrophobic properties by modifying cellulose fibers. The fibers exhibit high oil absorption capacity, fast absorption speed, and high recyclability, while maintaining excellent stability in harsh environments. Furthermore, the fibers can efficiently separate oil-water solutions and achieve high separation rates for oil droplets in oil-water mixtures.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Multidisciplinary Sciences
Isha Dogra, Bheema Rajesh Kumar, Krishna C. Etika, Murthy Chavali, Amany Salah Khalifa, Amal F. Gharib, Ahmad El Askary
Summary: The study aims to develop an eco-friendly and efficient nanocomposite filter for the removal of organic dyes from water. By synthesizing graphite oxide and graphene oxide, and combining them with cellulose and Peepal leaf, composite filters were prepared and showed good performance in organic dye adsorption.
JOURNAL OF KING SAUD UNIVERSITY SCIENCE
(2022)
Article
Materials Science, Composites
Mohammad Razavi-Nouri, Fatemeh Saeedi, Farshid Ziaee
Summary: Nanocomposites of PMMA and EVA with varying MWCNT content were prepared, with optimal mechanical properties achieved at 5 wt% MWCNT and significant increase in electrical conductivity at 2.5 wt% MWCNT. Rheological characterization showed an increase in normalized relaxation time up to 5 wt% nanofiller, followed by stability at higher MWCNT amounts.
POLYMER COMPOSITES
(2021)
Article
Materials Science, Multidisciplinary
Judith E. Rauschendorfer, Jytte Mockelmann, Philipp Vana
Summary: Matrix-free nanocomposite films of PMA and MMT nanosheets were developed to mimic the microscopic structure of nacre, and their mechanical properties were studied in detail through tensile testing. The experiments showed that the chain mobility of the surface-grafted polymer has a strong influence on the mechanical properties of the nanocomposite material.
MACROMOLECULAR MATERIALS AND ENGINEERING
(2021)
Article
Polymer Science
Dominik Wolosz, Pawel G. Parzuchowski, Karolina Rolinska
Summary: This work presents an eco-friendly synthetic pathway for the production of non-isocyanate poly(carbonate-urethane)s (NIPCUs) from carbon dioxide and organic carbonates. The obtained NIPCUs exhibit comparable mechanical properties to conventional polyurethane elastomers. The study also investigates the influence of polyurethane structure on the mechanical and thermal properties of the obtained polymers.
Article
Polymer Science
Ruedee Jaratrotkamjorn, Varaporn Tanrattanakul
Summary: In this study, natural rubber grafted with poly(vinyl propionate) was prepared by emulsion polymerization, and the effect of different grafting PVP contents on the properties of the blends was investigated. The results showed that the compatibility between natural rubber and PLA significantly influenced the mechanical properties of the blends, and good interfacial adhesion and proper particle size of rubber were key factors contributing to the mechanical properties.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Physical
Qing Guo, Longlong Yin, Xiao Wang, Jing Yuan, Qianfeng Zhang
Summary: Polyacrylamide (PAM) was successfully prepared using a new method of inverse microemulsion polymerization, and the effects of various factors on its properties were studied.
Article
Polymer Science
Jun Zhong, Xinyue Zhang, Xiaofeng Yu, Xuanyu Shi, Shihao Sun, Li Yang, Min Zuo, Yihu Song, Qiang Zheng
Summary: The selective distribution of silica nanoparticles grafted with crosslinked PMMA in PMMA/SAN blend was studied. Highly crosslinked PMMA chains mainly located in the PMMA-rich domains, while linear PMMA chains mainly located at the blend matrix interface. NPs grafted with slightly crosslinked chains were partially located at the interface and partially in the PMMA-rich domains. The deviation between theoretical prediction and actual location of modified NPs may be related to the heterogeneity of miniemulsion polymerization. The different locations of modified NPs induced by different grafted chain structures can result in various compatibilization effects on PMMA/SAN blend.
Article
Thermodynamics
Lina Dayse Alcantara Rodrigues, Lilia Muller Guerrini, Mauricio Pinheiro de Oliveira
Summary: The study found that with an increase in the content of cationic cassava starch (CCS), the grafting percentage of the polymer film decreased, and the thermal and mechanical properties showed a direct relationship with the CCS content and grafting percentage. Higher grafting percentage improved thermal stability but reduced elongation at break.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Materials Science, Paper & Wood
Kohji Nobuta, Hiroshi Teramura, Hiroaki Ito, Chizuru Hongo, Hideo Kawaguchi, Chiaki Ogino, Akihiko Kondo, Takashi Nishino
Article
Chemistry, Multidisciplinary
Saori Shiota, Shunsuke Yamamoto, Ayane Shimomura, Akio Ojida, Takashi Nishino, Tatsuo Maruyama
Article
Polymer Science
Kaya Tokuda, Miki Noda, Tatsuo Maruyama, Masaru Kotera, Takashi Nishino
Article
Polymer Science
Keisuke Fujita, Yugo Sumino, Kenji Ide, Shunsuke Tamba, Keisuke Shono, Jian Shen, Takashi Nishino, Atsunori Mori, Takeshi Yasuda
Article
Chemistry, Applied
Elyas Afra, Hossein Yousefi, Mohamad Mandi Hadilam, Takashi Nishino
CARBOHYDRATE POLYMERS
(2013)
Article
Chemistry, Physical
Seira Morimune, Masaru Kotera, Takashi Nishino, Takuya Goto
Article
Chemistry, Multidisciplinary
Shunsuke Tamba, Kanta Fuji, Hikaru Meguro, Shuji Okamoto, Tadashi Tendo, Ryo Komobuchi, Atsushi Sugie, Takashi Nishino, Atsunori Mori
Article
Engineering, Chemical
Hossein Yousefi, Takashi Nishino, Alireza Shakeri, Mehdi Faezipour, Ghanbar Ebrahimi, Masaru Kotera
JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
(2013)
Article
Polymer Science
Masaru Kotera, Akiko Nozawa, Sachie Kakimoto, Takashi Nishino
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
(2013)
Article
Chemistry, Multidisciplinary
Ayane Shimomura, Takashi Nishino, Tatsuo Maruyama
Article
Chemistry, Multidisciplinary
Shunsuke Yamamoto, Shigeru Kitahata, Ayane Shimomura, Kaya Tokuda, Takashi Nishino, Tatsuo Maruyama
Article
Chemistry, Multidisciplinary
Kaya Tokuda, Motoko Kawasaki, Masaru Kotera, Takashi Nishino
Article
Polymer Science
Masaru Kotera, Boo Samyul, Kouhei Araie, Yuri Sugioka, Takashi Nishino, Satoshi Maji, Miki Noda, Kazunobu Senoo, Tomoyuki Koganezawa, Ichiro Hirosawa
Article
Polymer Science
Kaya Tokuda, Tomoya Ogino, Masaru Kotera, Takashi Nishino
Article
Chemistry, Multidisciplinary
Yuta Asai, Yusuke Ariake, Hitomi Saito, Naokazu Idota, Kimihiro Matsukawa, Takashi Nishino, Yoshiyuki Sugahara
