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01 Nov.,2023

 

I have been wanting to experiment with light-emitting polymers for years and after doing some research I found a ruthenium light-emitting polymer that can be synthesized with Ruthenium Trichloride. The resulting polymer is [Ru(bpy)3](BF4)2. Here is a video on the synthesis.

https://www.youtube.com/watch?v=DL5jdmJi7k0&ab_channel=ChemistryLab

My procedure will vary just a little because hypophosphorous acid is a restricted chemical where I live. So I will be replacing it with ethylene glycol.

The problem is I only have Ruthenium Metal powder and I can not seem to get my hands on Ruthenium Trichloride so I need to make some somehow.

I found this patent with a procedure that seems easy enough but it seems to contradict itself a lot and the general description of the procedure does not quite match up with the embodiment of the patent.

https://patents.google.com/patent/CN101462778A/en

For example, it says to set up hydrochloric acid into an absorption flask. It also says to do the same with sodium hydroxide but the way the text reads it seems like it's asking you to place the hydrochloric acid and the sodium hydroxide in the same flask instead of in separate absorption flasks which just doesn't make any sense.

The description also doesn't mention sodium hydroxide until you start reading the embodiment paragraphs and also mentions adding ethanol to the hydrochloric acid mixture which is confusing.

I could be misreading it completely. I know the original patent was in Chinese so maybe there are just some translation errors?

I know patents are usually very vague but this one reads like it's simple to reproduce for an experiment but with the suspected translation errors, I can only make heads or tails out of 80% of the entire experiment here.

Can anyone help me understand this better?

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