Microcapsule for pressure-sensitive recording paper and process

Details Microcapsule for pressure-sensitive recording paper and process Microcapsule for pressure-sensitive recording paper and process

1982-11-05

1985-12-31

Lovering, Richard D.

Stock material or miscellaneous articles

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

Particulate matter

264 47, 346215, 428914, B01J 1302, B32B 2720

Patent

active

045621160

ABSTRACT:
Disclosed herein is a microcapsule for pressure-sensitive recording paper, wherein the microcapsule contains a solution of color-former and has a membranous wall of resin formed by the polycondensation of a water-soluble cationic urea resin with either (i) at least two prepolymers selected from the group consisting of melamine-formaldehyde prepolymer, a thiourea-formaldehyde prepolymer and a melamine-thiourea-formaldehyde prepolymer or (ii) a melamine-thiourea-formaldehyde prepolymer.

REFERENCES:
patent: 3074845 (1963-01-01), Geary
patent: 3516941 (1970-06-01), Matson
patent: 3607775 (1971-09-01), Yoshida et al.
patent: 3687865 (1972-08-01), Katayama et al.
patent: 3778383 (1973-12-01), Schibler et al.
patent: 4105823 (1978-08-01), Hasler et al.
patent: 4460722 (1984-07-01), Igarashi et al.

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