Review
Engineering, Environmental
Bo Jiang, Xiangrong Shi, Tong Zhang, Yudong Huang
Summary: The structural design of silicone polymers is a hot topic, and UV/thermal cured silicone polymers exhibit excellent properties and can be applied in coatings, additive manufacturing, and flexible electronics.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Polymer Science
Yuansheng Liu, Biwu Huang, Wenbin Zhou, Weiqing Chen, Yang Wu
Summary: The new photosensitive resin synthesized in the experiment demonstrated excellent photosensitivity, thermal stability, mechanical properties, and optical properties. The thermal stability of the resin reached up to 446 degrees C, with a tensile strength of 75.5 MPa and a bending strength of 49.5 MPa. The light transmittance remained above 98%.
Review
Polymer Science
Camilla Noe, Minna Hakkarainen, Marco Sangermano
Summary: Epoxy resins are crucial for producing thermosets due to their superior properties, but the search for biobased alternatives is growing due to environmental concerns and depletion of petroleum resources. Among curing techniques, UV-curing is considered the most environmentally friendly option. This review focuses on bio-based cationic UV-curable epoxy resins, highlighting their sources and applications.
Article
Chemistry, Physical
Xinglong Wu, Xiaolei Li, Jiaqi Zhong, Xiaoli Xu, Baoyun Xu, Bo Ai
Summary: This paper reports a coating material called silicone resin with good performance, and the researchers have been aiming to improve its thermal stability and hydrophobicity. A series of novel UV-curable silicone resins containing perfluorocyclobutyl (PFCB) groups were prepared by co-hydrolytic polycondensation. The structures of the resin precursor MDT-SH were characterized, and the heat resistance and hydrophobicity of the resins were significantly improved by the PFCB groups.
Article
Materials Science, Ceramics
Pawel Falkowski, Radoslaw Zurowski
Summary: Alumina microbeads were obtained through UV curing of alumina suspensions in silicone oil, resulting in perfectly rounded beads. The size of the beads was controlled by the diameter and position of the needle tip. Higher alumina volume fraction in the suspensions favored the development of microstructure and influenced mechanical properties. The use of methyl silicone oil as the environment did not affect the sintering process.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2022)
Article
Chemistry, Applied
Qing Chen, Jinyue Dai, Peizhan Cao, Guangming Lu, Xiaoqing Liu
Summary: A main-chain type benzoxazine (MCBZ) resin that can be quickly shaped under UV light was successfully synthesized and directly coated into a film, with wide processing window, low curing temperature, excellent static antifouling effect, and sterilization effect. The d12-DHBP-MCBZ resin was prepared from dodecamine and 4, 4'-dihydroxy-benzophenone. By adjusting the ratio of d12-DHBP-MCBZ to TMPTMA, hydrophilic benzoxazine coatings can be prepared, suitable for fouling-resisting coatings. The coatings exhibited fast shaping under UV light and a post-curing temperature of only 140 degrees C, with excellent hydrophilicity to prevent fouling organisms' adhesion, and a high sterilization performance of >99% for the Poly(BZ/20 %TMA) coating.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Polymer Science
Xiaoqing Kang, Xiaogang Li, Yuexuan Li, Xiaohui Zhang, Yugang Duan
Summary: This paper proposed a method that combines low surface energy Fluorine membrane and low curing degree hybrid resin to achieve continuous 3D printing. The studies show that under specific cationic and free radical content, optimal adhesion force, mechanical properties, and surface quality can be achieved.
Article
Polymer Science
Ting Lai, Wenzhen Qin, Caogui Cao, Rong Zhong, Yun Ling, Yu Xie
Summary: BaFe12O19-polypyrrolene nanocomposites were prepared via chemical oxidative polymerization of pyrrole monomers with the presence of BaFe12O19 powder. The composites exhibited a core-shell structure and showed no chemical interactions between BaFe12O19 and polypyrrolene. The nanocomposite was then used as a filler for UV-curable coatings, which demonstrated improved hardness, adhesion, and microwave absorption performance. The reflection loss was found to be below -10 dB within the range of 8.88-10.92 GHz when the absorbent sample proportion was 5-7%.
Article
Materials Science, Multidisciplinary
Yanhua Ding, Yangyang Xin, Qiang Zhang, Yingquan Zou
Summary: The newly developed photoresist exhibits excellent comprehensive performance, including outstanding pattern transfer ability, high resolution, high photosensitivity, high contrast, satisfactory developing speed, and good adhesion to the substrate.
MATERIALS & DESIGN
(2022)
Article
Chemistry, Multidisciplinary
Zhiqiang Tang, Yanxia Liu, Yagang Zhang, Zicai Sun, Weidong Huang, Zhikai Chen, Xiaoli Jiang, Lin Zhao
Summary: In the field of flexible electronics manufacturing, inkjet printing technology is a research hotspot. This study successfully synthesized methylphenylamino silicon oil (N75) and epoxy-modified silicon oil (SE35), and used them to prepare silicone resin 1030H with nano SiO2. The silver conductive ink prepared with 1030H has good dispersion performance, storage stability, and adhesion, and shows improved printing performance and conductivity with a solvent mixture of n,n-dimethylformamide (DMF) and proprylene glycol monomethyl ether (PM). The low-temperature curing silver conductive ink prepared in this study has high conductivity and potential for practical applications.
Article
Engineering, Chemical
Feng Zhao, Meng Li, Xin Zhao, Zheng Li, Zhi Yu Wang, Jia Lin Xiang
Summary: The effects of silicone resins on the copolymerization of acrylated epoxidized soybean oil were investigated. The rheological properties, curing behaviors, and thermal properties of acrylate epoxy soybean oil prepolymer (AP), silicone prepolymer (SP), and their hybrids (AP/SP) were studied in detail. The SEM analysis showed a snowflake pattern on the fracture section surface of cured AP/SP hybrid resins. Fourier transform infrared analysis suggested a possible reaction between AP and SP. The curing mechanism of AP/SP hybrids was found to be an autocatalytic process, and the cure kinetics were well-described by the Sesthk-Bergglen model with numerical optimization based on the Kissinger method and Malek approach. The addition of SP enhanced the thermal stability of AP, as indicated by the increased mass retention rates of the cured AP/SP hybrid resins.
POLYMER ENGINEERING AND SCIENCE
(2023)
Article
Engineering, Manufacturing
Sergey Nechausov, Anna Ivanchenko, Oleg Morozov, Aslan Miriyev, Indrek Must, Oskars Platnieks, Maksims Jurinovs, Sergejs Gaidukovs, Alvo Aabloo, Mirko Kovac, Boris Bulgakov
Summary: This study investigates the effect of adding ionic liquids (ILs) on the vat photopolymerization (VP) process for the fabrication of ionogels (IGs). The results show that ILs can accelerate the polymerization reaction and increase the critical exposure energy for gelation. The study also demonstrates the changing penetration depth with different IL types and the impact of dual curing on the mechanical properties and ionic conductivity of the ionogels.
ADDITIVE MANUFACTURING
(2022)
Article
Chemistry, Applied
Shakiba Dadkhah, Ali Gharieh, Mohsen Khosravi
Summary: This study presents a novel method to create a UV-curable nanocomposite coating with exceptional corrosion resistance. Modified graphene oxide was introduced to improve the dispersion and interaction with the resin matrix. The addition of a suitable amount of graphene oxide resulted in a significant reduction in film porosity, improved resistance to ionic current and charge transfer. However, excessive loading of graphene oxide could potentially harm the corrosion resistance properties of the coating.
PROGRESS IN ORGANIC COATINGS
(2024)
Article
Chemistry, Multidisciplinary
Xiaomei Zhang, Juan Chen, Yuying Chen, Xing Lin, Bodong Wang, Yifan Liu, Yan Jiang, Hongwen Zhang
Summary: A series of SiO2/silicone rubber composite microspheres were prepared by hydrosilylation, showing a raspberry-like structure and rose petal effect. The water contact angle reached a maximum at 30% SiO2 content, which was the optimal ratio. Surface with dual-size roughness significantly improved hydrophobicity, but the composite microspheres had uneven surface structures.
Article
Materials Science, Ceramics
Youngsung Cho, Jooheon Kim
Summary: With rapid technological advancements, efficient thermal management is crucial for the stable operation of electronic devices. This study investigates the effects of silane surface treatments on the thermal and mechanical properties of acrylate resins with high loading of aluminum nitride (AlN) fillers. The findings demonstrate that the functionalization of AlN with silane enhances the thermal conductivity and mechanical properties of the composite.
CERAMICS INTERNATIONAL
(2022)
