Diazo base heat-sensitive recording material
专利汇可以提供Diazo base heat-sensitive recording material专利检索，专利查询，专利分析的服务。并且PURPOSE:To provide the titled material which is not re-colored by heating once it is fixed by light after forming a color by heating, by a method wherein magnesium oxide is supported on or in a base, and a heat-sensitive color forming layer comprising a diazo compound, a coupler and a heat-fusible substance is provided on the base. CONSTITUTION:Magnesium oxide (preferably having a particle diameter of 0.2mu or below) is supported in or on the base such as paper or film, by an internal filling method, a coating method or the like. The heat-sensitive color forming layer comprising a diazo compound, a coupler and a heat-fusible substance is provided on the base to obtain the objective recording material. Since unreacted diazo compound is dissociated and fixed by light after forming an image on the recording material by heating, the material is not re-colored even when being reheated. USE:Suitable for paper for preparing securities, exchange tickets, certificates, slips or the like.，下面是Diazo base heat-sensitive recording material专利的具体信息内容。
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