Process for preparation of light-sensitive microcapsule

Details Process for preparation of light-sensitive microcapsule Process for preparation of light-sensitive microcapsule

1992-02-25

1993-10-19

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 430281, 503215, 264 47, 252314, 42840221, G03C 500

Patent

active

052544281

ABSTRACT:
A light-sensitive microcapsule contains silver halide, a reducing agent, an ethylenically unsaturated polymerizable compound and a color image forming substance. Another light-sensitive microcapsule contains a photopolymerization initiator, an ethylenically unsaturated polymerizable compound and a color image forming substance. The microcapsules are prepared by a process comprising the steps of emulsifying an oily phase containing the silver halide, the reducing agent, the polymerizable compound and the color image forming substance (or an oily phase containing the photopolymerization initiator, the polymerizable compound and the color image forming substance) in an aqueous medium containing a water-soluble polymer in water; and forming the shell around the droplets of the oily phase. In the process of the present invention, the oily phase is emulsified in the aqueous medium by mixing the oily phase and the aqueous medium; supplying the mixture to a clearance of not larger than 5 mm between an inner cylinder and an outer cylinder; passing the mixture through the clearance while rotating the outer cylinder and/or the inner cylinder. Light-sensitive materials prepared by using the light-sensitive microcapsules are also disclosed.

REFERENCES:
patent: 4529681 (1985-07-01), Usami et al.
patent: 4608330 (1986-08-01), Marabella
patent: 4920027 (1990-04-01), Kakimi
patent: 4962010 (1990-10-01), Colyer et al.

Affiliated with

Also associated with

Rating

Process for preparation of light-sensitive microcapsule does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparation of light-sensitive microcapsule, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparation of light-sensitive microcapsule will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1350597