Article
Polymer Science
Yuanrui Shao, Ruijie Han, Xudong Quan, Kangmin Niu
Summary: This paper explores the potential of direct ink writing of soft materials in 3D printing, focusing on the rheological properties of silicone rubber inks and their impact on the printing process. The study provides a foundation for parameter configuration and ink viscosity adjustment, while also offering new insights into filament diameter adjustment through investigating the die swell ratio of nano-silica-reinforced silicone rubber inks.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Rahul Shankar, Lisa K. Kemp, Nicholas A. Smith, Jacob A. Cross, Beibei Chen, Sergei I. Nazarenko, Jin Gyu Park, Travis L. Thornell, John K. Newman, Sarah E. Morgan
Summary: This study investigates the application of POSS in high-performance polymers, revealing that TSP-POSS offers better enhancement of processability and reduction of viscosity compared to DP-POSS, with a more uniform nanoscale dispersion.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Petr Filip, Jana Zelenkova, Petra Peer
Summary: A new method for evaluating the initial polymer concentration required for the production of beadless nanofibres during electrospinning process is proposed in this study. This approach avoids the use of traditional concepts of overlap and entanglement concentrations, aiming to address the issue of inability to apply classical methods in specific material cases.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Chemistry, Physical
Patrice Estelle, Gawel Zyla
Summary: This editorial note is dedicated to the Virtual Special Issue on Advances in Rheological Behavior of Nanofluids and Ionanofluids, introducing the objectives of the VSI and the contributions published in the Journal of Molecular Liquids.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Polymer Science
Diego Caccavo, Rosario Cavallo, Michela Abrami, Mario Grassi, Anna Angela Barba, Gaetano Lamberti
Summary: The viscoelastic behavior of hydrogels is crucial for various applications, and the use of more simple and common instrumentation is necessary for reliable characterization in different sectors. Despite plate-plate shear rheometers being one of the best options, their high cost and requirement of trained operators limit their presence mainly to engineering labs.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Manuela Walteros-Leon, Monica Lucia Alvarez-Lainez
Summary: Natural rubber latex (NRL) is a complex colloidal system that can be concentrated using hydroxyethyl cellulose (HEC) and sodium dodecyl sulphate (SDS), which alter its colloidal and rheological properties. SDS plays a key role in enhancing the creaming process and improving the electrostatic stability of the colloidal system.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Construction & Building Technology
Cody M. Strack, Travis L. Thornell, Jennifer A. Jefcoat, Gordon J. Borne, Prasanth Alapati, Kimberly E. Kurtis, Robert D. Moser
Summary: Interdisciplinary study of alkali-silica reaction (ASR) provides a quantitative understanding of the viscoelastic behavior of ASR products. Six ASR gels with different compositions were synthesized, and the polymerization of SiO2 into 3-dimensional viscoelastic networks was found to depend on the concentration and type of cations. Ca2+ gels exhibited a higher level of gel network strength earlier than Na and K-dominated gels. The addition of Li+ had differing effects on the viscoelastic behavior and Q4 production of Na+ and K+ gels.
CEMENT AND CONCRETE RESEARCH
(2023)
Article
Polymer Science
Philipe A. P. Silva, Aline Bruna da Silva, Joao Paulo Ferreira Santos, Rodrigo Lambert Orefice
Summary: This work developed novel immiscible polymer blends with remarkable self-healing properties, where the self-healing ability of the blends was influenced by the polymer composition ratios, and characterized using various analytical techniques.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Angel Romo-Uribe
Summary: The study investigated the extensional flow behavior of PBIC and HPC solutions under capillary breakup, finding differences in molecular conformation and breakup times between the two polymers.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Houfang Chi, Hui Han, Guannan Tian, Hengyu Luo, Song Hong, Junyu Li, Haiqing Hu
Summary: By adding 0.1 wt% fillers, the melt viscosity of triblock copolymer styrene-isoprene-styrene (SIS) filling systems decreased to some extent. The reduction in viscosity cannot be solely explained by nanoscale effects of particles, but is also related to the damage of the PS microphase in SIS. The dynamic viscoelasticity of the filling systems was also investigated.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Yunxu Yang, Kunxiang Shi, Mingzhu Zhou, Yucai Shen, Tingwei Wang
Summary: This study developed a low viscosity PVC plastisol emulsion (PDE) using water as a thinner, by blending PVCE with DINPE. The results showed that the emulsion had a uniform droplet size distribution, strong tensile strength, elongation at break, and weak gel structure. This demonstrated the effectiveness of water in reducing the viscosity of PVC plastisol and promoting its application in glove production.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Xianglong Li, Yishen Lu, Teng Hou, Jing Zhou, Antuo Wang, Xianggui Zhang, Bin Yang
Summary: This article investigates the jet evolution process and fiber formation mechanism of amylopectin rich starch solution and compares it with linear polyvinylpyrrolidone (PVP) solution. The results show that beads formation in starch fibers can be controlled by solution concentration and amylose/amylopectin types, while PVP fibers exhibit minimal bead formation.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Angel Romo-Uribe
Summary: This research demonstrates the tuning of conformation in semiflexible polymers under different solvent conditions using shear rheology, showing changes in persistence length and scaling law. The results provide insights into the behavior of these polymers in solution and help understand the Saito scaling for anisotropic particles.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Sandeep S. Pole, Avraam I. Isayev
Summary: The study investigated the nonlinear stress relaxation behavior of star-shaped SSBR/silica compounds with different filler surface areas, concluding that the relaxation modulus behavior of filled compounds is influenced by surface area. Higher surface area fillers resulted in increased relaxation moduli, particularly in compounds with high surface area silica. While both models were effective in describing experimental observations at low strain levels, at high strain levels there was a tendency for the simulations to overpredict the measured values, possibly due to slip effects.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Francisco Jose Ortega, Antonio Abad Cuadri, Pedro Partal, Francisco Javier Navarro
Summary: This paper proposes a successful approach of using Dodecenyl Succinic Anhydride (DSA) to soften aged bitumen and inhibit aging in road recycling. The experimental results show that DSA has a greater potential to soften bitumen compared to diluent oil, and it improves the wettability and compaction of asphalt.
