Polymer Film Fabrication
Polymer Film Fabrication - Related Videos
10:08
Fabrication of Large-area Free-standing Ultrathin Polymer Films
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Cited by 10 •
2015
We describe a method for the fabrication of large-area (up to 13 cm diameter) and ultrathin (as thin as 8 nm) polymer films. Instead of using a sacrificial interlayer to delaminate the film from its substrate, we use a self-limiting surface treatment suitable for arbitrarily large areas.
10:58
Combinatorial Synthesis of and High-throughput Protein Release from Polymer Film and Nanoparticle Libraries
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Cited by 7 •
2012
This method describes the combinatorial synthesis of biodegradable polyanhydride film and nanoparticle libraries and the high-throughput detection of protein release from these libraries.
08:06
Fabrication of Polymer Microspheres for Optical Resonator and Laser Applications
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Cited by 3 •
2017
Protocols for the synthesis of microspheres from polymers, the manipulation of microspheres, and micro-photoluminescence measurements are presented.
06:53
Fabrication and Optimization of Type II Silicon Clathrate Films
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2025
The two-thermal annealing method enables the fabrication of thin films of type II semiconductor silicon clathrate. Post-synthesis treatments, including thermal pressing and reactive ion etching, were performed to improve the material properties. This approach provides an accessible pathway for fabricating tunable clathrate films suitable for next-generation electronic and photonic devices.
10:09
Fabricating Reactive Surfaces with Brush-like and Crosslinked Films of Azlactone-Functionalized Block Co-Polymers
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Cited by 5 •
2018
Surface fabrication methods for patterned deposition of nanometer thick brushes or micron thick, crosslinked films of an azlactone block co-polymer are reported. Critical experimental steps, representative results, and limitations of each method are discussed. These methods are useful for creating functional interfaces with tailored physical features and tunable surface reactivity.
FAQs
These variables determine how readily polymer chains form a cohesive film and how the final material behaves. Molecular weight affects chain structure, while solvent choice controls whether the polymer dissolves or disperses effectively. Concentration changes the amount of polymer deposited during casting, allowing chemists to adjust thickness and influence flexibility, morphology, and other measurable properties.
Drying rate influences how polymer chains organize as the solvent leaves the mixture. Faster or slower evaporation can change morphology and crystallinity, which in turn affects film behavior. Controlling temperature and evaporation conditions therefore helps produce more consistent sheets and allows chemists to relate processing conditions to properties such as flexibility and barrier performance.
Additives provide a means of modifying the film beyond the properties of the base polymer. Together with processing conditions, they can influence flexibility, morphology, crystallinity, and barrier performance. Surface properties are also important because films may function as coatings, membranes, or device components, where the interface can affect how the material performs in its intended application.
Solution casting uses a polymer dissolved or dispersed in a solvent, followed by spreading and solvent evaporation. Melt processing instead shapes heated polymer through extrusion or related methods. The approaches differ in their material state and processing requirements, giving chemists alternative ways to control thickness, composition, morphology, and surface properties when selecting a fabrication strategy.
A typical workflow begins by preparing a polymer solution or dispersion with a selected solvent and concentration. The mixture is then spread across a substrate to establish a continuous layer. Controlled solvent evaporation removes the liquid phase and leaves a cohesive film. Temperature and drying rate are adjusted to help achieve the intended thickness and material properties.
Chemists use these fabrication methods to connect molecular structure and processing conditions with measurable film behavior. The resulting materials can serve in packaging, coatings, membranes, flexible electronics, and biomedical devices. Evaluating thickness, composition, surface properties, flexibility, crystallinity, morphology, and barrier performance helps determine whether a film meets the requirements of a particular application.