Patent ID: 8877886

Claim:
A production method of a polyoxyalkylene-modified polysiloxane composition, the production method comprising: a step [A] of synthesizing a polyoxyalkylene-modified polysiloxane composition by carrying out a hydrosilylation reaction between (a) a polyoxyalkylene compound that has a carbon-carbon double bond in molecular chain terminal position, and (b) an organohydrogenpolysiloxane; and a step [B] of removing an odor-causing substance by treating the polyoxyalkylene-modified polysiloxane composition in the presence of (c) at least one acidic inorganic salt that is a solid at 25° C., is soluble in water, and gives a pH at 25° C. of not more than 4 for the aqueous solution prepared by dissolving 50 g of component (c) in 1 liter of ion-exchanged water, wherein component (c) is at least one acidic inorganic salt comprising a hydrogensulfate ion HSO 4 − and a monovalent cation M.