摘要 |
Use of ethylene oxide/propylene oxide (EO/PO) block copolymer (I) as stabilizers for polyurethane foams, is claimed. Independent claims are included for: (1) an aqueous composition comprising aqueous, anionic hydrophilic polyurethane dispersion and foam additive, where the foam additive comprises (I); and (2) preparing polyurethane foams comprising foaming and drying the aqueous composition. |