主权项 |
1. An absorbent composition, comprising: (a) from 75 wt. % to 98 wt. %, based on the total weight of said absorbent composition, of an aqueous solvent; and (b) from 2 wt. % to 25 wt. %, based on the total weight of said absorbent composition, of an organic co-solvent, wherein said aqueous solvent comprises from 20 wt. % to 70 wt. %, based on the total weight of said aqueous solvent, of an amination reaction product of a polydispersed polyethylene glycol (PEG) mixture having an average molecular weight that is in the range of from 180 to 1000 and t-butylamine, and from 30 wt. % to 80 wt. % water, based on the total weight of said aqueous solvent, and wherein said organic co-solvent is selected from the group consisting of sulfones, sulfone derivatives, and sulfoxides. |