	US 12,258,455 B2
	Viscous bio-derived solvents for structured organic film (SOF) compositions
Valerie M. Farrugia, Oakville (CA); and Robert Claridge, Gilford (CA)
Assigned to XEROX CORPORATION, Norwalk, CT (US)
Filed by XEROX CORPORATION, Norwalk, CT (US)
Filed on Jan. 12, 2023, as Appl. No. 18/153,836.
Prior Publication US 2024/0239967 A1, Jul. 18, 2024
Int. Cl. C08J 3/09 (2006.01); B29C 71/02 (2006.01); C08J 5/18 (2006.01)

CPC C08J 3/095 (2013.01) [C08J 5/18 (2013.01); C08J 7/08 (2013.01); C08J 2461/16 (2013.01)]

20 Claims

1. A method of forming a pre-cure solution for a structured organic film (SOF), comprising:

contacting at least one segment and at least one pre-linker comprising a polyol, a diamine, a polyamine, or a combination thereof, with a bio-based solvent; and

dissolving the at least one segment and the at least one pre-linker within the bio-based solvent; and

wherein the bio-based solvent comprises 1-butylpyrrolidin-2-one, methyl-5-(dimethylamino)-2-methyl-5-oxopentanoate, dimethyl isosorbide, glycofurol, triacetin, diethylene glycol monoethyl ether acetate, acetyltributylcitrate, acetyltriethylcitrate, triethyl citrate, or combinations thereof.