I want to make a homogeneous solution between a carbon nanotube single wall and a PMMA polymer to obtain a membrane of a certain thickness . I tried many steps with acetone, but the solution is not homogeneous.
Dear Hawraa Khudhair,
what are your materials? If you have dry nanotubes, they are aggregated like all other dry nanoparticles and nanomaterials. You need to introduce a strong shear field to break the aggregates and let them disperse. It could be either a twin-screw extruder or a high-power ultrasonic tip. Low-power ultrasonic baths or a single screw extruder are insufficient.
Once dispersed, the dispersion stability and, consequently, the final homogeneity depend on the interaction between the solvent/polymer/particle. You may follow our studies for a more detailed description.
Article Phase diagram of bare particles in polymer nanocomposites: U...
Article Thermodynamic Parameters Controlling Nanoparticle Spatial Pa...
Article Bulk Polymer Nanocomposites with Preparation Protocol Govern...
Hello my dear Actually I suggest :you must condensation monomer with CNT at temperature less than the degree of evaporation for monomer for 2 h. note : this method applied when you used monomer liquid or polymer with solvent
You should disperse the nanotubes in a solvent which also dissolves the PMMa.
The exfoliation of the nanotube bundles is very concentration dependent.
- DOI:10.1021/jp911202d
no homogeneous solution of particles can be made, unless you dissolve them
https://www.researchgate.net/project/nanoparticle-solutions-search-for-a-perpetuum-mobile-there-are-no-particle-solutions-only-particle-dispersions
- Badges
- Science topic
- Similar topics
- Engineering
- Materials Engineering
- Coating