Hydrophilic compositions with increased thermal and solvent resi

Details Hydrophilic compositions with increased thermal and solvent resi Hydrophilic compositions with increased thermal and solvent resi

1993-11-15

1994-10-11

Reddick, Judy M.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428138, 428272, 428290, 428422, 21050021, 21050023, 21050042, 21050036, 524503, 525 56, 525 57, 525 60, B29D 2200

Patent

active

053545877

ABSTRACT:
A fluid filtration material made of a porous substrate, e,g. a membrane or a fabric that is coated with a fluorinated copolymer that contains recurring vinyl alcohol units to impart hydrophilicity. The material is crosslinked with multifunctional epoxides to maintain hydrophilicity on exposure to heat or solvent.

REFERENCES:
patent: 4557955 (1985-12-01), Walch et al.
patent: 4778596 (1988-10-01), Linder et al.
patent: 4851472 (1989-07-01), Famili et al.
patent: 5032282 (1991-07-01), Linder et al.
patent: 5053470 (1991-10-01), Wu
patent: 5130024 (1992-07-01), Fujimoto et al.
patent: 5173556 (1992-12-01), Mares et al.
patent: 5194543 (1993-03-01), Schlipf et al.
patent: 5200442 (1993-04-01), Schlipf et al.
patent: 5219927 (1993-06-01), Moggi et al.

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