申请人:Ricoh Company, Ltd.
公开号:EP2062953A1
公开(公告)日:2009-05-27
The present invention provides a heat-sensitive adhesive material comprising a support; and an adhesive under layer, an intermediate layer and a heat-sensitive adhesive layer formed over one surface of the support in this order, wherein the intermediate layer contains at least a thermoplastic resin and hollow particles, the heat-sensitive adhesive layer contains at least a thermoplastic resin, an adhesion imparting agent and a thermofusible material, and the adhesive under layer contains at least a thermoplastic resin, the thermoplastic resin has a glass transition temperature (Tg) of -70°C to -10°C and a mass average molecular mass of 100,000 to 1,500,000.
本发明提供了一种热敏粘合材料,它包括一个支撑体;以及依次在支撑体的一个表面上形成的粘合剂下层、中间层和热敏粘合剂层,其中,中间层至少含有热塑性树脂和中空颗粒,热敏粘合剂层至少含有热塑性树脂、粘合传导剂和热熔材料,粘合剂下层至少含有热塑性树脂,热塑性树脂的玻璃化转变温度(Tg)为-70℃至-10℃,质量平均分子质量为100,000至1,500,000。