Narrow pore-size distribution polytetramethylene adipamide or ny

Details Narrow pore-size distribution polytetramethylene adipamide or ny Narrow pore-size distribution polytetramethylene adipamide or ny

1990-06-28

1992-01-28

Sever, Frank

Liquid purification or separation

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55158, B01D 7156

Patent

active

050841793

ABSTRACT:
A hydrophilic polytetramethylene adipamide microporous membrane has a narrow pore-size distribution. The membrane is formed by a rapid quench process in a quench bath having solubility parameter above and 21 Hildebrands.

REFERENCES:
patent: 4340479 (1982-07-01), Pall et al.
patent: 4340480 (1982-07-01), Pall et al.
patent: 4617235 (1986-10-01), Shinonome et al.
patent: 4774038 (1988-09-01), Ditier et al.
patent: 4788226 (1988-11-01), Curry
patent: 4814356 (1989-03-01), Bongers et al.

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