Capsules having discrete solvent/color former and diluent capsul

Details Capsules having discrete solvent/color former and diluent capsul Capsules having discrete solvent/color former and diluent capsul

1998-11-23

2000-08-15

Nutter, Nathan M.

Stock material or miscellaneous articles

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

Particulate matter

42840221, 4272133, 42721334, 42721335, 42721336, 264 41, 264 433, 264 47, B32B 1502, B32B 1702, B32B 1900, B32B 2102, B01J 1302

Patent

active

061033782

ABSTRACT:
A process for producing a microencapsulated system comprising the steps of: (a) emulsifying a solution of color precursor in a solvent as a first internal phase and a diluent as a second internal phase in an external phase to produce discrete droplets of each of said first and second phases; and (b) encapsulating said droplets, is disclosed. A recording sheet is also disclosed which comprises a substrate having a layer of microencapsules containing a color precursor solution and microcapsules containing a diluent. Preferably the microcapsules are clusters of gelatin capsules.

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