Free-flowing flakes of hydrophilic/water-soluble polymer gel

Details Free-flowing flakes of hydrophilic/water-soluble polymer gel Free-flowing flakes of hydrophilic/water-soluble polymer gel

1985-08-12

1986-12-02

Michl, Paul R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

428404, 428405, 524 52, C08K 334

Patent

active

046264728

ABSTRACT:
Storage-stable, discrete free-flowing flakes of a hydrophilic or water-soluble polymer gel, such flakes comprising a thin adherent film coating of a processing aid powder, are facilely produced by comminuting a larger shaped article of said polymer gel, e.g., a block, sheet, strip or layer thereof, in the presence of said processing aid powder, and said powder being present during comminution in an amount in excess of that required for otherwise complete coating of the flakes which result.

REFERENCES:
patent: 3334070 (1967-08-01), Chezaud
patent: 4438179 (1984-03-01), Solc

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