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Trial Number 0

Trial Purpose:

Utilize the standard 24-solvent HSPiP panel as well as two comparatives to evaluate options for dissolution of the client's proprietary polymer

Date Run:

11/05/2024

Experiment Procedure:

24 scintillation vials were filled with 15 mL of solvent from the TURI HSP solvent panel in addition to two other vials containing N-methyl pyrrolidone and Methyl Ethyl Ketone, these functioned as comparatives as they are currently utilized by the client in this process. Visual observations were taken prior to the immersion of the polymer sample into the solvent, then for the first hour observations were taken every 10 minutes.

Trial Results:

Chemical Appearance at T0 T0+10 minutes T0+20 minutes T0+30 minutes T0+40 minutes T0+50 minutes T0+60 minutes
1-Toluene C,C C,C - 0 NC NC NC NC NC
2-Dimethyl Carbonate C,C CLD - 0 NC NC NC NC NC
3-Xylenes C,C PART - 0 NC C,C - 0 NC NC NC
4-Benzyl Alcohol C,C C,C - 0 NC NC NC NC NC
5-Ethylene Glycol C,C C,C - 0 NC NC NC NC NC
6-Methyl Acetate CLD CLD - 0 NC NC NC NC NC
7-Undecane C,C C,C - 0 NC NC NC NC NC
8-Ethyl Lactate C,C C,C - 0 NC NC NC NC NC
9-Acetone CLD CLD - 0 NC CLD - 1 NC NC NC
10-Ethyl Acetate C,C C,C - 0 NC NC NC CLD, 1 NC
11-Methanol C,C C,C - 0 NC NC NC NC NC
12-Ethanol C,C C,C - 0 NC NC NC NC NC
13-1,3-dioxolane CLD CLD - 0 NC CLD - 1 NC NC NC
14-Diethyl Carbonate C,C PART - 0 NC NC NC NC NC
15-1-Propanol C,C PART - 0 NC NC NC NC NC
16-Isopropanol C,C C,C - 0 NC NC NC NC NC
17-Propylene Carbonate CLD CLD - 0 NC NC NC CLD, 1 NC
18-Thiophene CLD C,C - 0 NC NC NC NC NC
19-1-methoxy-2-propanol C,C C,C - 0 NC NC NC NC NC
20-Dimethyl Sulfoxide C,C CLD - 0 NC NC NC NC NC
21-1-Butanol C,C C,C - 0 NC NC NC NC NC
22-Dimethyl Glutarate C,C CLD - 0 NC NC NC NC NC
23-Anisole C,C C,C - 0 NC NC NC NC NC
24-2-butoxyethyl-acetate C,C C,C - 0 NC NC NC NC NC
25-MEK CLD CLD - 1 NC NC NC NC NC
26-NMP C,C PART - 0 NC NC NC NC NC

Observation Visual Code: NC - No change, C,C - Clear, colorless, SW - Swelling, CLD- cloudy, PART - Particulate, 0-dissolution less than 90%, 1 - dissolution greater than 90%

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

Based on the results of this test, Acetone, Ethyl Acetate, 1,3-dioxolane, and propylene carbonate are all viable solvents for the dissolution of the client's proprietary polymer.

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