Ricoh Company, Ltd.

Daiki Iwata

Hideo Aihara

Kenji Shimizu

Takeshi Kajikawa

Laurence Daudin

Pauline Bie

Florence Gayrard

Erkan Kocak

In one aspect, the present invention relates to a thermosensitive recording medium comprising at least: &#x2014;a support layer; &#x2014;a thermosensitive colouring layer over the support layer, the thermosensitive colouring layer containing a leuco dye; and &#x2014;a protective layer over the thermosensitive colouring layer; wherein the thermosensitive colouring layer comprises a developer having the general formula (I) below: wherein Rto Reach independently represent a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 alkoxyl group, a C1-C6 fluoroalkyl group; characterized in that the protective layer comprises particles of wax with an average particle size of at least 0.05 &#x3bc;m and at most 2.0 &#x3bc;m. In further aspects, the present invention relates to a label for attachment to a product comprising the thermosensitive recording medium of the invention, and to a consumer product package to which a thermosensitive recording medium or a label of the invention has been attached. 

Thermosensitive recording medium

The present invention relates to thermal recording materials comprising (in order): The thermal (thermosensitive) recording materials of the invention show enhanced plasticizer resistance and/or preprint uniformity.

Thermosensitive recording materials containing chelating agents

To provide a thermosensitive recording material, containing: a support; an under layer; a thermosensitive recording layer; and a protective layer, where the under layer, the thermosensitive recording layer, and the protective layer are provided in this order on at least one surface of the support, wherein the support is synthetic paper, or a synthetic resin film, wherein the under layer contains a binder resin, and hollow particles, wherein an adhesive force of the thermosensitive recording material at &#x2212;20&#xb0; C., as measured by the described measuring method of the adhesive force, is 10.0 N/25 mm or greater.

Thermosensitive recording material

To provide a thermosensitive recording material, which contains: a support; a thermosensitive recording layer provided on one surface of the support; and a back layer provided on the other surface of the support, wherein the support has a surface formed of a resin, and wherein the back layer contains a combination of a core-shell acrylic resin and an oxazoline resin, or a reaction product thereof, or both thereof.

Growing community of inventors

Shizuoka, Japan

Daiki Iwata