| 摘要 |
Microencapsulated load bearers to prevent the premature rupture of dye precursor-containing microcapsules are formed concurrently in the same microencapsulation process in which oil/dye precursor-containing microcapsules are formed by emulsifying an oily mixture, containing therein a dye-precursor solution and non-rupturable core particles, as droplets into an aqueous solution. The core particle and oil/dye precursor droplets are then microencapsulated to form a binary microcapsule mixture consisting of microencapsulated load bearers and oil/dye precursor-containing microcapsules, respectively. This binary microcapsule mixture in an appropriate solvent vehicle may be used as a coating for the preparation of carbonless copy paper.
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