This is our latest selection of worldwide publications and patents in english on Thermoplastics, between many scientific online journals, classified and focused on thermoplastics, polyethylene, polypropylene, polyvinyl chloride, acrylonitrile butadiene styrene, injection molding and blow molding.
Electrical Characterization of Cost-Effective Screen-Printed Sensors Based on Thermoplastic Polyurethane, Polyimide, and Polyethylene Terephthalate
Published on 2025-03-10 by Muhammad Faiz ul Hassan, Yan Wang, Kai Yang, Yading Wen, Shichao Jin, Yi Zhang, Xiaosheng Zhang @MDPI
Abstract: In recent years, the improvement in living standards and the corresponding increase in quality-of-life expectations have significantly increased the demand for advanced electronic products. This trend has generated great interest in human health monitoring and extensive research efforts. Flexible sensors in particular are being given preference because of their high extensibility, excellent biocompatibility properties, low weight, and low cost. In the present work, we took this idea further and [...]
Our summary: Improvement in living standards has increased demand for advanced electronic products. Flexible sensors using TPU, PI, and PET substrates were designed with silver paste ink. Study contributes to new generation of flexible sensors for health monitoring.
Electrical Characterization, Screen-Printed Sensors, Thermoplastic Polyurethane, Flexible Sensors
Publication
Enhancement of Polypropylene Bonding Through Plasma–Ultrasonic Treatment
Published on 2025-03-10 by Hui Wang, Chuhao Yang, Limei He, Binbin Yu, Xiaobin Zhao, Zongbin Huang @MDPI
Abstract: In response to the issue of the insufficient adhesion strength of polypropylene materials, a plasma–ultrasonic treatment is proposed. Plasma treatment is first conducted to activate the polypropylene adherends, and then ultrasonic vibration is applied to the adhesive to facilitate the interface contact, enhancing the bonding performance of polypropylene. The shear strength of the test specimens was assessed using single-lap shear tests. The bonding samples were characterized by sca[...]
Our summary: Enhancement of polypropylene bonding through plasma-ultrasonic treatment. Plasma treatment activates polypropylene adherends, followed by ultrasonic vibration to facilitate interface contact and enhance bonding performance. Results show a significant increase in shear strength and bonding energy, providing a new idea for polymer bonding studies.
Polypropylene, Plasma treatment, Ultrasonic treatment, Shear strength
Publication
Evaluation of Thermal Aging Susceptibility of Recycled Waste Plastic Aggregates (Low-Density Polyethylene, High-Density Polyethylene, and Polypropylene) in Recycled Asphalt Pavement Mixtures
Published on 2025-03-10 by Yeong-Min Kim, Kyungnam Kim @MDPI
Abstract: The increasing demand for sustainable road construction materials necessitates innovative solutions to overcome the challenges of Recycled Asphalt Pavement (RAP), including aged binder brittleness, reduced flexibility, and durability concerns. Waste Plastic Aggregates (WPA) offer a promising alternative; however, their thermal aging behavior and interactions with RAP remain insufficiently understood. This study evaluates the performance of RAP-based asphalt mixtures, incorporating three types of[...]
Our summary: Evaluation of thermal aging susceptibility of recycled waste plastic aggregates in recycled asphalt pavement mixtures under varying conditions to enhance durability and mechanical properties. Incorporating WPA and bio-oil significantly improves Marshall Stability, ITS, fatigue life, and high-temperature performance of asphalt mixtures, offering sustainable solutions for modern infrastructure.
Thermal Aging, Recycled Asphalt Pavement, Waste Plastic Aggregates, Mechanical Performance
Publication
Mechanical Recycling of Crosslinked High-Density Polyethylene (xHDPE)
Published on 2025-03-10 by Hibal Ahmad, Denis Rodrigue @MDPI
Abstract: This study introduces a mechanical recycling technique for crosslinked high-density polyethylene (xHDPE) using cryogenic pulverization and compression molding. This method is shown to effectively transform xHDPE into valuable fillers for recycled HDPE (rHDPE(B)) sourced from recycled bottles using different concentrations (15–60%) and particle sizes (0–250 µm, 250–500 µm, and 500–1000 µm). In partic[...]
Our summary: Study introduces mechanical recycling technique for crosslinked high-density polyethylene (xHDPE) using cryogenic pulverization and compression molding. Method effectively transforms xHDPE into valuable fillers for recycled HDPE (rHDPE(B)) with different concentrations and particle sizes. Recycling method reduces gel content, improves interfacial adhesion, and enhances thermal stability of r-xHDPE samples.
mechanical recycling, crosslinked high-density polyethylene, cryogenic pulverization, compression molding
Publication
Challenges and Opportunities
Published on 2025-03-09 by Antreas Kantaros, Meropi Katsantoni, Theodore Ganetsos, Nicolae Petrescu @MDPI
Abstract: The evolution of thermoplastic materials has played a critical role in advancing high-speed Fused Filament Fabrication (FFF) and Fused Deposition Modeling (FDM) 3D printing technologies. This study explores the performance and challenges associated with next-generation thermoplastics specifically designed for high-speed printing, such as high-speed PLA, ABS, and PETG, in comparison to conventional materials. A systematic analysis was conducted to evaluate the key parameters, including the mechan[...]
Our summary: Evolution of thermoplastic materials for high-speed 3D printing, performance analysis of next-generation thermoplastics, challenges and opportunities for future development.
thermoplastic materials, high-speed printing, mechanical properties, FFF/FDM
Publication
Emission Integral Effect on Non-Invasive Blood Glucose Measurements Made Using Mid-Infrared Passive Spectroscopic Imaging
Published on 2025-03-08 by Daichi Anabuki, Shiori Tahara, Hibiki Yano, Akira Nishiyama, Kenji Wada, Akiko Nishimura, Ichiro Ishimaru @MDPI
Abstract: Living bodies emit mid-infrared light (wavelength band centered at approximately 10 µm) with a temperature-dependent intensity. Several studies have shown the possibility of measuring blood glucose levels using the mid-infrared emission of living bodies, and we have demonstrated non-invasive blood glucose measurements through distant wrist measurements (wavelength 8–14 µm) by mid-infrared passive spectroscopic imaging. However, it is not clear why blood [...]
Our summary: Living bodies emit mid-infrared light with a temperature-dependent intensity, enabling non-invasive blood glucose measurements through distant wrist measurements. The emission integral effect underpins changes in emission intensity with substance thickness and absorption coefficient, offering innovative solutions for measuring various substances from a distance.
emission integral effect, non-invasive blood glucose measurements, mid-infrared passive spectroscopic imaging, spectral radiance
Publication
Polypropylene resin composition and article produced therefrom
Patent published on the 2025-03-06 in WO under Ref WO2025048329 by LOTTE CHEMICAL CORP [KR] (Kim Yoen Kyoung [kr], Lee Jin Seong [kr], Kang Jae Ryeon [kr], Kwon Young Chul [kr], Jeong Hyun Taek [kr])
Abstract: A polypropylene resin composition of the present invention comprises: about 100 parts by weight of a base material containing about 40 wt% to about 70 wt% of a polypropylene resin and about 30 wt% to about 60 wt% of a recycled polypropylene resin having a calcium (Ca) content of about 0.1 wt% to about 1 wt%; about 25 parts by weight to about 55 parts by weight of a phosphorus nitrogen-based flame retardant; about 5 parts by weight to about 35 parts by weight of talc; and about 0.5 parts by weigh[...]
Our summary: Environmentally friendly polypropylene resin composition using recycled materials, excellent flame retardancy, impact resistance, and moldability.
polypropylene resin, composition, recycled polypropylene, flame retardant
Patent
Polypropylene resin composition and article produced therefrom
Patent published on the 2025-03-06 in WO under Ref WO2025048270 by LOTTE CHEMICAL CORP [KR] (Choi Ji Ho [kr], Lee Hyeong Shin [kr])
Abstract: A polypropylene resin composition of the present invention comprises: about 100 parts by weight of a polypropylene resin; about 5-15 parts by weight of a styrene-based thermoplastic elastomer; about 2-5 parts by weight of zinc oxide; about 0.1-0.7 parts by weight of a silver-based compound; about 15-35 parts by weight of talc; and about 1-5 parts by weight of a carbon fiber. The polypropylene resin composition is excellent in terms of antibacterial properties, antifungal properties, antiviral pr[...]
Our summary: A polypropylene resin composition with thermoplastic elastomer and zinc oxide, providing antibacterial, antifungal, and antiviral properties, as well as impact resistance and thermal stability, with melange and fabric textures.
polypropylene resin, thermoplastic elastomer, zinc oxide, antibacterial properties
Patent
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