CN202278848U

CN202278848U - Double-surface printing heat-sensitive paper

Info

Publication number: CN202278848U
Application number: CN2011203570155U
Authority: CN
Inventors: 曹志雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-22
Filing date: 2011-09-22
Publication date: 2012-06-20
Anticipated expiration: 2021-09-22

Abstract

The utility model discloses double-surface printing heat-sensitive paper. Double surfaces of the double-surface printing heat-sensitive paper can be printed, and marks in different colors can be displayed on the double surfaces. The double-surface printing heat-sensitive paper comprises a paper base layer, heat-sensitive layers capable of generating color development reaction and displaying the marks are respectively attached to two sides of the base layer, a transparent film protecting layer is covered on the outer side of each heat-sensitive layer, each heat-sensitive layer consists of a colorless dye layer, a developer layer and a film middle layer separating the colorless dye layer from the developer layer, the developer layer, the film middle layer and the colorless dye layer of each heat-sensitive layer are sequentially stacked from outside to inside, the colorless dye layer and the developer layer of the heat-sensitive layer on one surface of the double-surface printing heat-sensitive paper are in color development reaction and display marks in one color, and the colorless dye layer and the developer layer of the heat-sensitive layer of the double-surface printing heat-sensitive paper are in color development reaction and display marks in another color. The film middle layers in a printing zone are melted under the condition that the double-surface printing heat-sensitive paper is heated, the developer layers and the colorless dye layers in the zone contact with each other and are in the color development reaction and display the printing marks, and accordingly an effect of double-surface multi-color printing can be realized.

Description

The duplex printing heat-sensitive paper

Technical field

The utility model relates to a kind of heat-sensitive paper, specifically, relate to a kind of can duplex printing, and the two sides shows the duplex printing heat-sensitive paper of different colours vestige.

Background technology

Develop rapidly along with thermal printing technique; The use of heat-sensitive paper is more and more universal, such as the temperature-sensitive bill of the point-of-sale terminal of present stage (POS), bank, ticketing service and self-help serving system and ticket etc., but they all can only satisfy the single face thermal printing usually; When some businessman need be when the another side of printing paper be made advertisement or duplex printing; Also need make print advertisements information, undoubtedly in printing process, can cause loss and cost to increase at the back side of heat-sensitive paper.

The utility model content

To above deficiency; The utility model provide a kind of can duplex printing, and the two sides shows the duplex printing heat-sensitive paper of different colours vestige, it comprises paper substrate; The one side of said basic unit is with heat-sensitive layer; The outer side covers of said heat-sensitive layer has thinfilm protective coating, and also with heat-sensitive layer, the outer side covers of this heat-sensitive layer has thinfilm protective coating to the another side of said basic unit.

Each said heat-sensitive layer comprises leuco dye layer and produces the developer layer of chromogenic reaction with said leuco dye layer, and with said leuco dye layer and the separated membrane middle layer of developer layer.

The developer layer of each said heat-sensitive layer, membrane middle layer and leuco dye layer are superimposed from outside to inside successively.

The leuco dye layer of the heat-sensitive layer of said basic unit one side and developer layer produce chromogenic reaction and demonstrate a kind of color vestige, and the leuco dye layer of the heat-sensitive layer of basic unit's another side and developer layer produce chromogenic reaction and show another kind of color vestige.

The beneficial effect of the utility model: the duplex printing heat-sensitive paper of the utility model comprises paper substrate, and the both sides of paper substrate are respectively with heat-sensitive layer, and the outside of each heat-sensitive layer is coated with thinfilm protective coating respectively; When under heating condition; The membrane middle layer of corresponding heat-sensitive layer can be melted, and the leuco dye layer of this heat-sensitive layer contacts with developer layer, and produces chromogenic reaction; Thereby show corresponding vestige (needing printed contents), can accomplish that therefore the two sides of heat-sensitive paper can print; In addition, the prescription of the leuco dye layer of paper substrate both sides heat-sensitive layer (this prescription decision color that chromogenic reaction showed) difference, it produces chromogenic reaction and the vestige color that shows is also different, the purpose that can accomplish multi-color printing.

Description of drawings

Fig. 1 is the structural representation (analysing and observe) of the duplex printing heat-sensitive paper of the utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further set forth.

As shown in Figure 1; The duplex printing heat-sensitive paper of the utility model comprises paper substrate 1; The both sides of said basic unit 1 are respectively with the heat-sensitive layer 2 that can produce chromogenic reaction and demonstrate vestige (needing printed contents); The outer side covers of each said heat-sensitive layer 2 has thinfilm protective coating 31; This thinfilm protective coating 31 is processed by transparent material, and each heat-sensitive layer 2 comprises leuco dye layer 21 and produce the developer layer 22 of chromogenic reactions with said leuco dye layer 21, and with said leuco dye layer 21 and developer layer 22 separated membrane middle layer 32; Membrane middle layer 32 is also processed for transparent material, and the developer layer 22 of each heat-sensitive layer 2, membrane middle layer 32 and leuco dye layer 21 are superimposed from outside to inside successively.Under heating condition; The membrane middle layer 32 of the corresponding print area of heat-sensitive paper is melted; This regional developer layer 22 and corresponding leuco dye layer 21 contacts and generation chromogenic reaction; Thereby demonstrate the vestige of printing,, therefore can play the effect of duplex printing because paper substrate 1 both sides all have heat-sensitive layer 2.

In addition; The leuco dye layer 21 of the heat-sensitive layer 2 of paper substrate 1 one side of the utility model produces chromogenic reaction with developer layer 22 and demonstrates a kind of color vestige, and the leuco dye layer 21 of the heat-sensitive layer 2 of basic unit's 1 another side produces chromogenic reaction with developer layer 22 and shows another kind of color vestige.Can reach the effect of multi-color printing like this.

In the actual fabrication process; At first coat leuco dye (phenol) respectively and form leuco dye layer 21 on the two sides of paper substrate 1; Then respectively at the surface coverage layer of transparent film of leuco dye layer 21 and form membrane middle layer 32; Then be coated with the last layer developer and form developer layer 22 at the outer surface of membrane middle layer 32 respectively; At last, the outer surface at developer layer 22 covers the layer of transparent film and forms thinfilm protective coating 31 respectively, so just can accomplish the processing of the duplex printing heat-sensitive paper of the utility model.

The above is merely preferred embodiments of the present invention; The present invention is not limited to above-mentioned embodiment; In implementation process, possibly there is local small structural modification; If various changes of the present invention or modification are not broken away from the spirit and scope of the present invention, and belong within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and modification.

Claims

1. duplex printing heat-sensitive paper; It comprises paper substrate (1); The one side of said basic unit (1) is with heat-sensitive layer (2), and the outer side covers of said heat-sensitive layer (2) has thinfilm protective coating (31), it is characterized in that; Also with heat-sensitive layer (2), the outer side covers of this heat-sensitive layer (2) has thinfilm protective coating (31) to the another side of said basic unit (1).

2. duplex printing heat-sensitive paper according to claim 1; It is characterized in that; Each said heat-sensitive layer (2) comprises leuco dye layer (21) and produces the developer layer (22) of chromogenic reaction with said leuco dye layer (21), and with said leuco dye layer (21) and the separated membrane middle layer of developer layer (22) (32).

3. duplex printing heat-sensitive paper according to claim 2 is characterized in that, the developer layer (22) of each said heat-sensitive layer (2), membrane middle layer (32) and leuco dye layer (21) are superimposed from outside to inside successively.

4. duplex printing heat-sensitive paper according to claim 2; It is characterized in that; The leuco dye layer (21) of the heat-sensitive layer (2) of said basic unit (1) one side produces chromogenic reaction with developer layer (22) and demonstrates a kind of color vestige, and the leuco dye layer (21) of the heat-sensitive layer (2) of basic unit (1) another side produces chromogenic reaction with developer layer (22) and shows another kind of color vestige.