Dry material which can be hydrated into an aqueous gel, containi

Details Dry material which can be hydrated into an aqueous gel, containi Dry material which can be hydrated into an aqueous gel, containi

1987-04-10

1988-04-12

Lilling, Herbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

26433111, 26433112, 26433113, 524 24, 524 56, 524 58, 524386, 524431, 524503, 524916, 525902, C08L 8900, C08L 3326, C08L 2504, B01D 1500

Patent

active

047375337

ABSTRACT:
Dry material which can be hydrated into an aqueous gel comprising (1) a matrix comprising a macromolecular substance A, capable of forming a porous aqueous gel when it is in the presence of water, (2) a water-soluble linear polymer B, (3) a plasticizer for the macromolecular substance A and, (4) dispersed in the matrix, particles of a polymer C obtained from at least one water-immiscible monomer.
The material can be obtained by mixing an aqueous solution of A with the polymer B, the plasticizer and a latex of polymer C, followed by cooling, shaping and drying of the aqueous gel obtained.
The dry material can be used in biological applications after rehydration.

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patent: 4668715 (1987-05-01), Phillips

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