초록 ▼

Fluid separatory devices containing novel polyurethane potting and adhesive compositions comprising the reaction product of an aliphatic polyisocyanate with a propoxylated polyether amine in the presence of a metallo-organic catalyst selected from the group consisting of the organic acid salts and t

Fluid separatory devices containing novel polyurethane potting and adhesive compositions comprising the reaction product of an aliphatic polyisocyanate with a propoxylated polyether amine in the presence of a metallo-organic catalyst selected from the group consisting of the organic acid salts and the b

대표청구항 ▼

A hollow-fiber, fluid separatory device comprising a bundle of fine hollow fibers whose end portions are potted in a tube-sheet and whose open fiber ends terminate in a tube-sheet face, the bundle being sealed within a casing to form a separatory cell having one or more fluid ports which allow for t

A hollow-fiber, fluid separatory device comprising a bundle of fine hollow fibers whose end portions are potted in a tube-sheet and whose open fiber ends terminate in a tube-sheet face, the bundle being sealed within a casing to form a separatory cell having one or more fluid ports which allow for the passage of one fluid through the fibers and another around the fibers without mixing of the two fluids, said tube-sheet comprising a cured polyurethane composition which is substantially bubble-free although cured in the presence of moisture, said composition comprising the reaction product of an aliphatic polyisocyanate with a propoxylated polyether amine in the presence of a metallo-organic catalyst selected from the group consisting of the organic acid salts and the b