1. Spandex prepared with a dispersant slurry consisting essentially of: (A) 10-78 wt%, based on the total weight of the dispersant slurry, of an inorganic particulate; (B) 2-50 wt%, based on the inorganic particulate, of a dispersant soluble in the liquid of component (C) selected from the group consisting of (i) phosphated block poly(alkylsiloxane)-poly(alkyleneether) alcohols; and (ii) aromatic- or alkylaromatic-terminated phosphated poly(alkyleneether) alcohols; and (C) a liquid selected from the group consisting of dimethylsulfoxide, tetramethylurea, and amides.