Gel casting method and apparatus

Details Gel casting method and apparatus Gel casting method and apparatus

1989-05-01

1991-10-29

Fisher, Richard V.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562755, 1562757, 156294, 204299R, 264 14, 264 23, 264 22, 264 25, 264319, 522 3, G01N 2740, C08F 224

Patent

active

050613367

ABSTRACT:
A gel casting method and apparatus are used to cause a pre-gelled liquid mixture to gel sequentially in a given travelling direction, allowing still-liquid material to flow to the gelling front, replacing volume lost due to shrinkage during the change of state from a liquid to a gel. The differential gelling method provides stress-free gels free of voids common to highly stressed gels, and the method is applicable to column and slab gels, and particularly to capillary columns and very thin slab gels.

REFERENCES:
patent: 3417178 (1968-12-01), Downing
patent: 4294782 (1981-10-01), Froehlig
patent: 4325794 (1982-04-01), Hunter et al.
patent: 4497754 (1985-02-01), Padoan
patent: 4762862 (1988-08-01), Yada et al.
patent: 4790919 (1988-12-01), Baylor, Jr.
patent: 4810456 (1989-03-01), Bente, III et al.
patent: 4865706 (1989-09-01), Karger et al.

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