Titanium dioxide solution in oil

  • Thread starter Thread starter SaketIndra
  • Start date Start date
  • Tags Tags
    Chemistry
AI Thread Summary
The discussion centers on creating a stable titanium dioxide (TiO2) suspension in oil, specifically using Tronox CR828, Isopar M, and sorbitan trioleate. The main issue is that the mixture clumps and settles after homogenization, indicating instability. Participants note that this is a colloidal suspension rather than a true solution, and stability depends on factors like particle size. There is a suggestion to explore the use of a suitable dispersant or anti-settling agent to improve stability. Additionally, the potential for formulating a microencapsulated suspension with TiO2 and Fe3O4 nanoparticles is mentioned, with a request for expert assistance in identifying effective dispersants. The conversation also touches on the viscosity of the solvent, suggesting that a thicker fluid might enhance stability.
SaketIndra
Messages
2
Reaction score
1
Hello everyone,

I am seeking assistance in preparing a Titanium dioxide solution in oil. Below are the chemical compositions of the solution:

  1. Titanium Dioxide (TiO2): 20% by weight, with the product name Tronox CR828.
  2. Solvent/Oil: Isoparaffin, constituting 75% by weight, with the product name ISOPAR M.
  3. Surfactant: Sorbitan trioleate, comprising 5% by weight.
However, I am encountering an issue where the solution clumps together and settles down in the beaker after homogenization. I'm unsure of what I might be doing wrong.
 
Chemistry news on Phys.org
Technically it is not a solution, but a suspension (or a colloid). Whether it is stable or not depends (between other factors) on the suspended particles size.

Are you 100% sure the recipe guarantees a stable mixture and calls for exactly these brands of components? Such things tend to be highly erratic.
 
Borek said:
Technically it is not a solution, but a suspension (or a colloid). Whether it is stable or not depends (between other factors) on the suspended particles size.

Are you 100% sure the recipe guarantees a stable mixture and calls for exactly these brands of components? Such things tend to be highly erratic.
Hello, you're absolutely correct. This refers to a colloidal solution where TiO2 is intended to be suspended. After conducting some research, I have focused on formulating a microencapsulated suspension of TiO2 and Fe3O4 nanoparticles for use in magnetophoretic displays.
1688104579868.png

While I understand the necessity of using a suitable dispersant and anti-settling agent, I'm facing difficulties in identifying the most appropriate options. If you happen to know any interested individuals or experts, I would be grateful if you could provide their information. I am willing to create a freelancing job request on their preferred platform, and they can assist me in this matter. Please inform me if you have any leads.
 
Isopar M is a fairly low viscosity fluid. Have you tried using something thicker?

Have you tried adding the Fe3O4 to the mixture that you have created and encapsulating it? It may have different properties in that physical configuration.

BoB
 
Thread 'How to make Sodium Chlorate by Electrolysis of salt water?'
I have a power supply for electrolysis of salt water brine, variable 3v to 6v up to 30 amps. Cathode is stainless steel, anode is carbon rods. Carbon rod surface area 42" sq. the Stainless steel cathode should be 21" sq. Salt is pure 100% salt dissolved into distilled water. I have been making saturated salt wrong. Today I learn saturated salt is, dissolve pure salt into 150°f water cool to 100°f pour into the 2 gallon brine tank. I find conflicting information about brine tank...
Engineers slash iridium use in electrolyzer catalyst by 80%, boosting path to affordable green hydrogen https://news.rice.edu/news/2025/engineers-slash-iridium-use-electrolyzer-catalyst-80-boosting-path-affordable-green Ruthenium is also fairly expensive (a year ago it was about $490/ troy oz, but has nearly doubled in price over the past year, now about $910/ troy oz). I tracks prices of Pt, Pd, Ru, Ir and Ru. Of the 5 metals, rhodium (Rh) is the most expensive. A year ago, Rh and Ir...

Similar threads

Back
Top