Is there any impact on morphology If we dry organic polymers at 80 C under vacuum?
Drying organic polymers at elevated temperatures, such as 80°C, under vacuum can indeed have an impact on their morphology. The morphology of a polymer refers to its structure, arrangement, and distribution of its constituent molecules or chains. It includes features such as crystallinity, degree of cross-linking, orientation, and presence of voids or defects.
When organic polymers are subjected to high temperatures and vacuum conditions during drying, several effects can occur:
It is important to note that the specific impact of drying organic polymers at 80°C under vacuum will depend on the characteristics of the polymer itself, including its chemical composition, molecular weight, thermal stability, and processing history. Different polymers will respond differently to such conditions, and it is crucial to consider the specific polymer's properties and intended application when evaluating the effects of drying on its morphology.
Depends on what kind... natural or synthetic.
80? Personally, I'd say that would be too high of a temperature to use on natural products as the degradation of the chains may ensue. Synthetics, however, we've used up to 140, but upon their modification, we'd not go above 60 overnight or up to 24h to remove all excess moisture.
Drying organic polymers at 80 °C under vacuum can have an impact on their morphology, depending on the specific polymer and the conditions of the drying process. The morphology of a polymer refers to its physical structure at the microscopic level, including features such as crystallinity, amorphousness, and orientation.
During the drying process, the removal of moisture or solvent from the polymer can lead to changes in its morphology. For example, if the polymer is crystalline, the removal of solvent or water can cause the crystalline regions to become more ordered or even form new crystalline domains. On the other hand, if the polymer is amorphous, the removal of solvent or water can cause the polymer chains to become more mobile, leading to increased molecular motion and the formation of new amorphous regions or changes in the degree of amorphousness.
The effect of drying on the morphology of a polymer can also depend on the drying rate, temperature, and pressure. Faster drying rates or higher drying temperatures can lead to greater changes in the morphology of the polymer, as the polymer chains have less time to relax and rearrange. Similarly, the use of vacuum during drying can affect the morphology of the polymer by altering the pressure and gas composition around the polymer.
Overall, the impact of drying on the morphology of organic polymers is complex and can vary depending on many factors. It is important to carefully consider the specific polymer and the conditions of the drying process to understand how it will affect the polymer's morphology. In some cases, it may be necessary to use alternative drying methods or to carefully control the drying conditions to minimize changes in the polymer's morphology.
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