Gel pen refill ink is what ester?

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SUMMARY

The discussion centers on the composition of gel pen refill ink, specifically focusing on the use of lithium esters and silicon grease plugs. Participants highlight the challenges in obtaining proprietary information about the ink's formulation and suggest that trial and error or systematic analytical approaches may be necessary. Key insights reveal that lithium esters, particularly polyorganosiloxane substances, are used for their high-temperature stability and thixotropic properties. Additionally, the conversation touches on the potential use of vaseline grease as a substitute for the oil-fill plug in gel pens.

PREREQUISITES
  • Understanding of gel pen mechanics and refill systems
  • Familiarity with lithium esters and their properties
  • Knowledge of silicon grease and its applications
  • Basic principles of thixotropic fluids
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  • Research the properties and applications of lithium esters in ink formulations
  • Explore the role of silicon grease in preventing ink evaporation
  • Investigate patents related to gel pen ink compositions
  • Examine the characteristics of thixotropic fluids and their uses in writing instruments
USEFUL FOR

Individuals interested in the chemistry of writing instruments, including product developers, materials scientists, and hobbyists experimenting with gel pen refills.

proshenn
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I want to try to use neutral pen and ink to fill with all the gel pen refill

But oil-fill plug, what won't and you want to use ink compatible?

Oil is the plug at the end pen ink, back or prevent ink evaporation.

Google queries to be only lithium ester, but not too much formula
 
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proshenn said:
I want to try to use neutral pen and ink to fill with all the gel pen refill

But oil-fill plug, what won't and you want to use ink compatible?

Oil is the plug at the end pen ink, back or prevent ink evaporation.

Google queries to be only lithium ester, but not too much formula
Your post makes no sense. Please try to post it so that people can understand it.

Thank you.
 
proshenn said:
how to obtain information on lipid-related data for a gel pen refills?

This is mot likely a proprietary information and you will have a hard time trying to get it from the producer. The only other options are either trial and error or a systematic analytical approach. Typically both much more costly than buying a new pen when necessary.
 
Ah, I think he's asking about the clear gel they use in the gel pens. It prevents ink from drying out or leaking but moves with the ink as it gets used.

proshenn, you could try searching for patents on the material used this way. But the exact formula may be something the company doesn't prefer to make common knowledge.
 
@proshenn

Did some research and found some information.

Have you seen these
http://www.astm.org/DIGITAL_LIBRARY/JOURNALS/FORENSIC/PAGES/JFS13944J.htm
which states that it is a silicon grease plug - see below **

http://pubs.acs.org/subscribe/archive/ci/31/i09/html/09lw.html
giving some inkling (pun ) to what is in the ink

**
http://www.mg-pen.net/key-blue-gel-pens-66/384.html
Lithium ester mostly polyorganosiloxane substances, not miscible with water, is oily, high temperature stability, -20 ℃ does not freeze, 80 ℃ without overflow, evaporation, follower excellent thixotropic fluidity
I do wonder if plain old vasoline grease be a suitable substitute..

Hope that helps you out for further investigation.
 
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