Heat sensitive recording material and microcapsule

摘要

A heat sensitive recording material comprising a support and a heat sensitive recording layer containing a diazonium salt compound disposed on the support, wherein a compound represented by following formula (1) is containedin the heat sensitive recording material, as well as a microcapsule containing a diazonium salt compound and the compound represented by the following formula (1):
in which R 1 to R 5 each independently represent a hydrogen atom, halogen atom or a substituted or non-substituted alkyl group, alkenyl group, aryl group, alkoxy group, or aryloxy group; R 6 to R 8 each independently represent a hydrogen atom or a substituted or non-substituted alkyl group or aryl group; and R 1 and R 7 , R 1 to R 5 , and R 6 and R 8 may join with each other to form a ring, providing that a ring formed by joining of R 1 and R 7 , or R 6 and R 8 does not form an aromatic ring.