Composite semipermeable Membrane Separation with Polyamide Functional Layer comprising a porous Support Layer, The functional Layer which has a Yellow Index of 10 to 40 and the reaL the functional Layer comprising Polyamide separation for each of 1 um over the Porous Support layer is 2 to 5 um.

摘要

A composite semipermeable Membrane Separation with Polyamide Functional Layer comprising a porous Support layer in the layer of polyamide has a Yellow Index of 10 to 40,And the actual length of the functional Layer comprising Polyamide separation for each of 1 um over the Porous Support layer is 2 to 5 um, and production method of said membrane.