P-xylylenediamide/diimide composite RO membranes

Details P-xylylenediamide/diimide composite RO membranes P-xylylenediamide/diimide composite RO membranes

1987-09-15

1989-08-01

Hruskoci, Peter

Liquid purification or separation

Casing divided by membrane into sections having inlet

Cylindrical membrane

210490, 21050039, 21050041, B01D 1301

Patent

active

048531227

ABSTRACT:
Composite RO membranes having good resistance to halogen attack and extraordinarily high fluxes are disclosed, the composite membranes comprising a microporous polymeric support with an interfacially polymerized salt-rejecting layer thereon comprising an aromatic aliphatic diamide/diimide.

REFERENCES:
patent: 3612282 (1971-10-01), Cheng
patent: 3744642 (1973-07-01), Scala et al.
patent: 4039440 (1977-08-01), Cadotte
patent: 4086215 (1978-04-01), Kurihara et al.
patent: 4259183 (1981-03-01), Cadotte
patent: 4277344 (1981-07-01), Cadotte
patent: 4606943 (1986-08-01), Rak et al.
patent: 4626468 (1986-12-01), Sundet
patent: 4659475 (1987-04-01), Liao et al.

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