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THIOCYANATE FUNCTIONALIZATION OF NANOBOEHMITE FOR THE SYNTHESIS OF POLYURETHANE ORGANICINORGANIC HYBRID MATERIALS A THESIS SUBMITTED TO THE GRADUATE SCHOOL OF NATURAL APPLIED SCIENCE OF MIDDLE EAST

How to fill out isocyanate functionalization of nanoboehmite

1. Isocyanate functionalization of nanoboehmite is a process that involves chemically modifying the surface of nanoboehmite particles with isocyanate groups. This can enhance the reactivity and compatibility of nanoboehmite in various applications.
2. To carry out isocyanate functionalization of nanoboehmite, you will need a few key components: nanoboehmite particles, an isocyanate reagent, a solvent, and appropriate reaction conditions.
3. First, prepare the nanoboehmite particles by either purchasing commercially available ones or synthesizing them in the laboratory using established protocols.
4. Next, choose an appropriate isocyanate reagent for functionalization. Common options include 1,6-hexane diisocyanate (HDI), toluene diisocyanate (TDI), and isophorone diisocyanate (IPDI). Consider the specific requirements of your application when selecting the isocyanate reagent.
5. Dissolve the chosen isocyanate reagent in a suitable solvent, such as toluene or tetrahydrofuran (THF), to create a reactive solution.
6. Add the nanoboehmite particles to the isocyanate solution and mix thoroughly. Ensure that the particles are fully submerged and well-dispersed in the solution.
7. Allow the reaction to proceed under controlled conditions, such as at a specific temperature and for a defined period of time. This will facilitate the attachment of the isocyanate groups onto the nanoboehmite surface.
8. Once the desired functionalization is achieved, wash the functionalized nanoboehmite particles to remove any unreacted isocyanate reagent or byproducts. Use an appropriate solvent, such as acetone or ethanol, and perform multiple washing steps to ensure high purity.
9. Finally, dry the functionalized nanoboehmite particles under vacuum or in a controlled environment to remove any residual solvent and obtain a solid product.

Who needs isocyanate functionalization of nanoboehmite?

1. Researchers and scientists working in the field of nanomaterials synthesis and functionalization may require isocyanate functionalization of nanoboehmite for their studies or applications.
2. Industries involved in the production of coatings, adhesives, sealants, and elastomers (CASE) may benefit from isocyanate functionalization of nanoboehmite. The modified particles can improve the mechanical properties, adhesion, and performance of these materials.
3. Companies focusing on nanoparticle-based drug delivery systems could also find value in isocyanate functionalization of nanoboehmite. The functionalized particles can serve as a platform for attaching targeting ligands or therapeutic molecules, enabling precise and controlled drug release.

In summary, isocyanate functionalization of nanoboehmite involves chemically modifying the surface of nanoboehmite particles with isocyanate groups. This process can be valuable for researchers, industries in the CASE sector, and companies working on nanoparticle-based drug delivery systems. The step-by-step procedure involves preparing nanoboehmite particles, choosing an isocyanate reagent, dissolving it in a solvent, reacting it with the particles, washing, and drying the functionalized product.

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