THERMOSENSITIVE RECORDING LINERLESS LABEL

To provide a thermosensitive recording linerless label having excellent sensitivity, heat resistant ground fogging properties and plasticizer resistance in which an addition polymerization type silicone layer provided on a printing surface side has good curing properties.SOLUTION: There is provided a thermosensitive recording linerless label which has a support, a thermosensitive recording layer containing a dye precursor and a developing agent, a protective layer containing an adhesive, and a release layer on one surface of the support from a side nearest to the support and has an adhesive layer on the other surface of the support, wherein the amount of adipic acid dihydrazide detected from the thermosensitive recording linerless label is 15 to 450 mg/m2 and the release layer is an addition polymerization type silicone release layer containing a platinum catalyst.SELECTED DRAWING: None 【課題】感度、耐熱地肌カブリ及び耐可塑剤性に優れ、且つ印字面側に設けられた付加重合型シリコーン層の硬化性が良好な感熱記録ライナーレスラベルを提供する。【解決手段】支持体、前記支持体の一方の面に支持体に近い側から染料前駆体及び顕色剤を含有する感熱記録層、接着剤を含有する保護層、並びに剥離層を有し、前記支持体の他方の面に粘着剤層を有する感熱記録ライナーレスラベルであって、前記感熱記録ライナーレスラベルから検出されるアジピン酸ジヒドラジド量が１５～４５０ｍｇ／ｍ２であり、前記剥離層が白金触媒を含有する付加重合型シリコーン剥離層である感熱記録ライナーレスラベル。【選択図】なし