Article
Chemistry, Applied
Takamasa Iso, Takeru Ninomiya, Shinobu Kagami, Kouzou Kubota, Yasuyuki Sanai
Summary: This study investigated an environmentally-friendly synthesis method for bio-based polyester acrylate, which is useful for UV-curable coatings. Itaconic acid and ethoxylated diglycerol were used as bio-based moieties. Although the radical copolymerizability of itaconoyl groups with acryloyl groups has not been fully proven, it is expected that introducing itaconoyl groups into polymer side chains would enhance the cross-linking density. On the other hand, ethoxylated diglyceryl moieties contribute to rapid UV-curing and yield cross-linked polymer due to their multifunctionalities. The manufacturing process in this study resulted in less wastewater discharge and allowed the conversion of the neutralized aqueous layer into a waterborne coating.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Chemistry, Applied
Wanjing Liu, Pan Tian, Yisen Huang, Junhua Zhang
Summary: In this paper, a new UV-light-sensitive solid resist resin with high glass transition temperature, high double-bond conversion and low dielectric constant was successfully synthesized by using cholic acid to react with epoxy resin. It shows promising application potential for light-curing inks in high-frequency electronic packaging.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Chemistry, Applied
Lin Li, Zhenpeng Zhang, Minhui Wang, Yanan Zhang, Xun Lu
Summary: A flexible and self-healing epoxy acrylic coating with super-hydrophobicity was prepared by introducing dynamic disulfide bond and dangling chain into the resin system and spraying nano-SiO2 to construct micro surface structure. The coating showed improved self-healing efficiency, reduced brittleness and enhanced wear-resistance. These results could serve as a reference for developing high-performance UV-curable coatings.
PROGRESS IN ORGANIC COATINGS
(2023)
Article
Chemistry, Applied
Tianhao Li, Kaiyi Ma, Tao Zhang
Summary: By preparing a series of UV-curable coatings with different compositions, we developed an anticoagulant coating for PET fabric-covered stents that demonstrated excellent mechanical properties, biocompatibility, and low cytotoxicity, making it a promising candidate for clinical applications.
PROGRESS IN ORGANIC COATINGS
(2022)
Article
Chemistry, Applied
Xiu Li, Di Wang, Longying Zhao, Xingzhou Hou, Li Liu, Bin Feng, Mengxin Li, Pai Zheng, Xuan Zhao, Shuangying Wei
Summary: An environmentally friendly waterborne wood coating with rapid curing speed and good mechanical properties was developed by introducing AESO and PETA to a UV-curable waterborne PUA resin. The optimal mechanical properties were achieved with 45% AESO content, with the emulsion having particle size smaller than 50 nm. The coating displayed excellent stability, uniform distribution, and cured quickly under UV LED light source.
PROGRESS IN ORGANIC COATINGS
(2021)
Article
Chemistry, Applied
Jieming Liu, Shaoshun Wang, Qiuping Su, Jiajian He, Yong Li, Jing Xie, Guobin Yi
Summary: Through the synthesis of a series of WHPC films with different molecular weights, acrylate group contents, and ion group contents, the influences of these factors on performances were explored. Higher ion group content and lower molecular weight result in smaller particle size, while ion group content has a positive effect on solubility. Smaller molecular weight and particle size lead to lower viscosity, and increasing acrylate group content enhances the double bond final conversion.
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2021)
Article
Materials Science, Multidisciplinary
Theodore J. Hammer, Coleen Pugh, Mark D. Soucek
Summary: In this study, a series of UV-curable, cycloaliphatic polyesters were synthesized and the effect of spiroglycol (SPG) loading level on the properties of the coatings was investigated. The oligomers containing 30% and 45% SPG showed suitable properties for powder coating applications, exhibiting comparable weatherability and corrosion resistance to conventional coatings, along with superior impact resistance and substrate adhesion.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Chemistry, Applied
Hamideh M. Shokouhi Mehr, Theodore J. Hammer, Mark D. Soucek
Summary: A new UV-curable maleimide-terminated polyimide was prepared and characterized, and formulated with a UV-curable polyester resin to prepare a hybrid powder coating system. The addition of polyimide improved the thermal stability of the polyester and increased the deformation resistance of the UV-cured films. The viscoelastic properties of the hybrid system were most improved when 16% weight percent of polyimide was added into the system.
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2021)
Article
Biochemistry & Molecular Biology
Qi Wang, Zhaozhe Yang, Xinhao Feng, Xinyou Liu
Summary: This study presents a novel and scalable approach for preparing waterborne UV-curable resin composites using surface-modified cellulose nanocrystals (CNCs) with acrylic-based polymers. The modified CNCs showed improved contact angle and thermal stability, leading to reduced agglomeration in the nanocomposites. By incorporating the modified CNCs into the acrylic resin, the UV curing efficiency and mechanical properties of the nanocomposites were significantly enhanced. Additionally, the modified CNCs had virtually no effect on the light transmission of the nanocomposites and exhibited increased permittivity, showing potential for applications in high dielectric composites or improving electrical conductivity.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Polymer Science
Qiufeng Mo, Yifeng Huang, Lanyu Ma, Wenqin Lai, Yihua Zheng, Yanming Li, Mengxue Xu, Zhimin Huang
Summary: Microwave curing technology can effectively accelerate the curing rate of UPR composite materials containing fillers, but excessive microwave power may lead to internal defects and reduced strength.
Article
Construction & Building Technology
Xiaoqing Wang, Biao Ma, Wenbin Su, Junwei Tao, Heting Shi, Wei Si
Summary: Currently, cold patching materials (CPMs) have become a preferred choice for pothole repair on asphalt pavements in cold and wet weather. However, the survival time of conventional asphalt-based CPMs is not satisfactory, and they can cause water and air pollution. This study developed a pollution-free, economical, and high-performance CPM using a low viscosity, high toughness, and low temperature curing epoxy resin (ER) binder and unsaturated polyester. The results showed that the epoxy/unsaturated polyester mixture (EUPM) had excellent performance and repair effect, proving its feasibility and advantages in asphalt pavement maintenance.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Thermodynamics
Minzhuang Chen, Xiaojun Wang, Jian Zhang, Jinjian Zhu
Summary: The facile preparation of chopped carbon fiber-reinforced low-density unsaturated polyester resin (CCFR-LDUPR) composite samples was achieved through the synergistic action of initiator and accelerator at a low temperature. The composite samples exhibited excellent properties, and the curing kinetics analysis showed that the crosslinking of unsaturated polyester resin was influenced by the presence of the foaming agent and the carbon fibers. Under the synergistic action of initiator and accelerator, the inhibitory effect of carbon fibers on resin crosslinking was weakened, leading to an accelerated curing process.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2022)
Article
Energy & Fuels
Wei Zhang, Haihong Ma, Xu Han, Zhengfa Zhou, Weibing Xu, Fengmei Ren
Summary: An unsaturated modified linoleate based on linoleic acid was synthesized through a three-step reaction. It can cure rapidly under UV radiation and exhibits good water resistance, excellent adhesion, and flexibility.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2023)
Article
Chemistry, Applied
Debarati Maity, Rahul Tade, Anagha S. Sabnis
Summary: A novel UV-curable hyperbranched polyester-urethane-acrylate (PUA) resin was synthesized using citric acid as the core bio-based material and ester-urethane-acrylate linkage as the arm. The synthesized resin was successfully applied on both wood and metal substrates. The mechanical, chemical, and thermal properties of the coated substrates were investigated and compared to a commercial urethane acrylate (CUA).
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2023)
Article
Materials Science, Composites
Mengying Li, Jun Xiao, Xingbang Wang, Xiao Yang, Xiaodong Chen
Summary: A high-performance compound epoxy resin system suitable for wet filament winding was designed with improved properties. Through comparing the curing behavior of thermal and microwave curing composites, it was found that microwave curing exhibited higher curing degree and reaction rate in the early and middle stages. However, in the later stages of curing, the difference between the two methods was minimal.
POLYMER COMPOSITES
(2021)
Article
Materials Science, Biomaterials
Christopher Igwe Idumah, I. C. Nwuzor, S. R. Odera, U. J. Timothy, U. Ngenegbo, F. A. Tanjung
Summary: This paper presents recent advancements in drug delivery applications of polymeric hydrogel nanoarchitectures and hydrogel derivatives, including the incorporation of nanoparticulates and the enhancement of the chemical, biological, electrical, and mechanical properties of hydrogels. The application of magnetically responsive and smart hydrogels as drug delivery systems is also discussed.
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
(2024)
Article
Materials Science, Biomaterials
Remya K. Rajan, Sunitha Chandran, Annie John, Ramesh Parameswaran
Summary: This study outlines the fabrication and characterization of pamidronate (PDS) embedded nanofibrous scaffolds based on polycaprolactone/polycaprolactone-polyethyleneglycol-polycaprolactone (PCL/CEC) blends for osteoporotic bone defect management. The electrospinning technique was utilized to fabricate PDS-loaded scaffolds, and the effect of PDS on the blends was evaluated in terms of surface morphology, wettability, biodegradability, and in vitro cytocompatibility. The results showed that the PCL/CEC-PDS scaffolds had a fibroporous architecture, appropriate mechanical properties, and the ability to support cell growth, indicating their potential for managing osteoporotic bone defects.
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
(2024)
Article
Materials Science, Biomaterials
Kubra Aydin, Handan Sevim, Hatice Kaplan Can
Summary: This study aims to develop a new dental material by designing, synthesizing, and characterizing nanocomposites, and evaluate their cytotoxic effects on human gingival fibroblasts. The results of this research will contribute to a better understanding of the properties and safety of this material, providing reference for clinical applications in dentistry.
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
(2024)
Review
Materials Science, Biomaterials
Angelica Jimenez-Rosales, Stefani Cortes-Camargo, Pedro Estanislao Acuna-Avila
Summary: The immune response to drug-delivering systems and implanted medical devices based on biomaterials is complex, and the goal is to design biomaterials that can respond to stimuli, preserve tissue function, and optimize cellular structures. Understanding the material's structure and location, as well as the severity of damage and other factors, is crucial in developing biocompatible biomaterials.
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
(2024)
Article
Materials Science, Biomaterials
Fatemeh Daliri Shadmehri, Ehsan Karimi, Ehsan Saburi
Summary: Bone tissue engineering utilizes polymeric scaffolds and stem cells to create a supportive matrix resembling the in vivo environment for bone repair. The study found that a composite matrix of polycaprolactone and fibrin enhanced the differentiation of adipose-derived stem cells into osteo-like cells.
INTERNATIONAL JOURNAL OF POLYMERIC MATERIALS AND POLYMERIC BIOMATERIALS
(2024)
