Nanocomposite Curing
Nanocomposite Curing - Related Videos
01:25
Accelerated Curing of Concrete
0 Views •
2024
Accelerating concrete curing is achieved by applying heat and additional moisture. This process accelerates the hydration of the cement, resulting in an earlier strength gain in the concrete. Steam curing is a method wherein the concrete products are either transported through a chamber on a conveyor belt or encased in plastic, allowing steam at atmospheric pressure to circulate freely around them. This process begins with a phase of moist curing that typically lasts between 3 to 5 hours, after...
12:21
Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites
0 Views •
Cited by 7 •
2016
We demonstrate the preparation of siloxane-based and epoxy-based liquid crystal elastomers (LCEs) and LCE nanocomposites. The LCEs are characterized with respect to reversible strain, liquid crystal ordering, and stiffness. As a potential application, we demonstrate their use as shape-responsive substrates in a custom device for active cell culture.
14:24
Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration
0 Views •
Cited by 4 •
2014
Three-dimensional (3D) microstructured composite beams are fabricated through the directed and localized infiltration of nanocomposites into 3D porous microfluidic networks. The flexibility of this manufacturing method enables the utilization of different thermosetting materials and nanofillers in order to achieve a variety of functional 3D reinforced nanocomposite macroscopic products.
01:20
Curing of Concrete
0 Views •
2024
The hydration of cement takes place within the water-filled capillary pores. However, environmental elements can disrupt this process by evaporating water from the concrete surfaces. Sealed concrete with a water-cement ratio below 0.5 experiences self-desiccation, leading to water loss. The water loss in concrete is mitigated by curing. This technique involves keeping the concrete saturated to maintain the necessary temperature and moisture conditions, to optimally fill the spaces in the cement...
01:26
Curing Methods
0 Views •
2024
Concrete members with a small surface-to-volume ratio are cured by oiling and moistening the forms before casting the concrete member. These forms can be left in place for a prolonged period to prevent moisture loss, and can be wetted if made of a material suitable for wetting. If the forms are removed early, the concrete member is moistened and covered with polythene sheets to maintain moisture. For large horizontal concrete surfaces exposed to dry weather, a temporary covering is suspended...
FAQs
Crosslinking joins polymer chains into a connected network, changing the material from a processable formulation into a solid with usable engineering performance. In nanocomposites, this network forms alongside nanoscale filler interactions, so the final structure depends not only on polymer reaction progress but also on how effectively the matrix engages with the dispersed particles. Those combined effects influence strength, durability, and thermal stability.
Uniform nanoparticle dispersion helps distribute the filler throughout the polymer, while filler–matrix interactions affect how the particles participate in network formation. These factors can alter curing reaction rates and the structure that develops as the material solidifies. Poor control of either variable may produce a less predictable composite, whereas coordinated control supports targeted mechanical, barrier, conductive, or environmental-resistance properties.
Heat, light, and chemical initiators provide different ways to drive polymer crosslinking. The selected stimulus affects how the curing reaction proceeds and therefore how the polymer network develops around the nanoscale fillers. Engineers must coordinate that stimulus with curing time, temperature where relevant, and filler distribution to obtain a controlled structure rather than treating the curing condition as independent of composite formulation.
Temperature, curing time, and filler distribution are central variables because they influence reaction progress, network formation, and the arrangement of the composite constituents. Their effects are interconnected: changing the curing conditions can modify how the polymer develops around the fillers, while the filler arrangement can influence reaction rates. Controlling these variables improves consistency in the resulting engineering properties.
A controlled workflow begins with a polymer formulation containing nanoscale fillers, followed by managing the filler distribution before and during network formation. The material is then exposed to an appropriate curing driver, such as heat, light, or a chemical initiator, while temperature and time are controlled as needed. This approach links processing conditions to the final structure and intended performance.
Engineering applications include coatings, adhesives, structural composites, and electronic materials. The desired outcome differs by use: coatings may require barrier properties or environmental resistance, structural composites may prioritize mechanical performance, and electronic materials may require conductivity. Curing control helps align polymer network formation and filler–matrix interactions with the functional demands of each application.