Ricoh Company, Ltd.

Tohru Kitano

Hiroshi Goto

Mitsunobu Morita

Norihiko Inaba

Hiroaki Matsui

Takehito Yamaguchi

Tomohisa Kakuda

Tomoyuki Kugo

Yasufumi Oda

Provided is a linerless thermosensitive recording body package, a roll of a linerless thermosensitive recording sheet being packaged in the linerless thermosensitive recording body package, the linerless thermosensitive recording sheet including a support, a thermosensitive color developing layer over one surface of the support, a release layer over the thermosensitive color developing layer, and an adhesive layer over an opposite surface of the support, the linerless thermosensitive recording sheet being wound in roll shape in a manner that the adhesive layer comes to an internal side of the support, wherein a peel force for peeling the linerless thermosensitive recording sheet from the roll is 50 mN/50 mm or greater but 250 mN/50 mm or less, wherein a water content of the linerless thermosensitive recording sheet is 4.5% or higher but 6.5% or lower, the roll of the linerless thermosensitive recording sheet being seal-packaged in the linerless thermosensitive recording body package.

Linerless thermosensitive recording body package

A linerless label including a support, a release layer over one surface of the support, and an adhesive layer over another surface of the support, wherein when the linerless label is cut with an apparatus including a mechanism in which an upper blade of cutter blades is immobilized and a lower blade of the cutter blades is configured to move upward, in a manner that the lower blade is inserted into the linerless label from a side of the linerless label at which the adhesive layer is provided, a cutter load voltage during a cutter operation performed after the linerless label is cut five thousand times repeatedly has a difference of less than or equal to 2.0 V from the cutter load voltage during cutting of a label support, which is the linerless label before treated to have adhesiveness.

Linerless label and cutting apparatus

A thermosensitive recording medium including a support, and a thermosensitive recording layer containing a leuco dye and a developer, and formed on a surface of the support, wherein the thermosensitive recording medium comprises at least any one of diiodomethyl-p-tolylsulfone and 3-iodo-2-propynyl-butyl-carbamate.

Thermosensitive recording medium

To provide a thermosensitive recording medium including: a support; a thermosensitive recording layer composed mainly of a leuco dye and a developer, formed on a surface of the support; and at least two antibacterial agents which include a zirconium phosphate antibacterial agent and an imidazole antibacterial agent and which are internally contained in the thermosensitive recording medium.

Thermosensitive recording medium with antibacterial property

A thermal recording adhesive label, including a substrate; a thermal recording layer located overlying one side of the substrate, including a leuco dye and a color developer; a back coat layer located overlying the other side of the substrate; an adhesive layer located overlying the back coat layer; and a release paper located overlying the adhesive layer, wherein the thermal recording adhesive label further includes an adhesive undercoat layer comprising a thermoplastic resin and a filler between the back coat layer and the adhesive layer.

Thermal recording adhesive label

In order to provide heat-sensitive adhesive materials that represent high pressure-sensitive adhesive strength with respect to rough adherends such as cardboards or polyolefin wraps and lower decrease of adhesive strength with time, are thermally activated with lower energy and exhibit excellent blocking resistance, heat-sensitive adhesive materials are disclosed that contain a support, an underlayer, and a heat-sensitive adhesive layer, in this order, wherein the underlayer comprises a thermoplastic resin and a hollow filler, and the glass transition temperature of the thermoplastic resin is &#x2212;70&#xb0; C. or higher and below 0&#xb0; C.

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Shizuoka, Japan

Tohru Kitano