Heat-sensitive recording material and process for production...

Details Heat-sensitive recording material and process for production... Heat-sensitive recording material and process for production...

2011-08-23

2011-08-23

Hess, Bruce H (Department: 1785)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Phosphorus or compound containing same

C427S150000, C427S180000

Reexamination Certificate

active

08003560

ABSTRACT:
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support, the heat-sensitive recording layer containing dye precursor-containing composite particles and a developer, the dye precursor-containing composite particles being obtained by dissolving a solute containing a dye precursor in a solvent containing a polyvalent isocyanate compound-containing polymerization component, emulsifying and dispersing the obtained solution in an aqueous medium, and then performing a polymerization reaction of the polyvalent isocyanate compound-containing polymerization component in the presence of polyethyleneimine having a molecular weight of 200 to 1,500. Also disclosed is a method of producing such a heat-sensitive recording material.

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International Search Report for International Application No. PCT/JP2008/056161 dated May 14, 2008.

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