| 摘要 |
A heat-sensitive record material comprising a substrate having on at least one surface thereof a heat sensitive-layer containing colour forming reagents capable of reacting to produce a colour upon the application of heat, which heat sensitive layer bearing surface also carries a stabiliser comprising a moiety of general formula (I), wherein each of R1 and R2 which may be the same or different is one of hydrogen, hydroxyl, a halide, lower alkyl, lower alkoxy, benzyloxy or substituted benzyloxy wherein the substituent is a lower alkyl or alkoxy group or a halide or hydroxyl; Y is a sulphur or oxygen and M is a divalent metal. |
