CN106468036A - A kind of heat-sensitive magnetic recording paper with white layer - Google Patents
A kind of heat-sensitive magnetic recording paper with white layer Download PDFInfo
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- CN106468036A CN106468036A CN201610767989.8A CN201610767989A CN106468036A CN 106468036 A CN106468036 A CN 106468036A CN 201610767989 A CN201610767989 A CN 201610767989A CN 106468036 A CN106468036 A CN 106468036A
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- white layer
- heat
- magnetic recording
- recording paper
- sensitive
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
- D21H21/285—Colorants ; Pigments or opacifying agents insoluble
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of heat-sensitive magnetic recording paper with white layer; the described heat-sensitive magnetic recording paper with white layer contains paper base material; heat-sensitive layer; temperature-sensitive protective layer; magnetosphere and white layer, described have white layer to be made up of hydroxyl polyurethane, acrylic resin, UV light-cured resin, light trigger, titanium dioxide.The white layer of the present invention has black magnetosphere is covered well, can meet the demand of the pattern that is beautifully printed, reach purpose attractive in appearance, and white layer has very high wearability and the magnetic head that do not pollute and do not wear and tear.
Description
Technical field
The present invention relates to a kind of heat-sensitive magnetic recording paper, particularly to a kind of heat-sensitive magnetic recording paper with white layer.
Background technology
Heat-sensitive magnetic recording paper is widely used in the places such as railway, highway, subway, parking lot, airport, mesh as ticket carrier
Front heat-sensitive magnetic recording paper, the color of magnetic recording aspect is black, because black is difficult to cover, can only print big with black difference
Word or pattern color, such as white etc., color single it is impossible to meet the demand of the pattern that is beautifully printed.
Content of the invention
The technical problem to be solved is the weak point existing for existing heat-sensitive magnetic recording paper, provides one kind
There is the heat-sensitive magnetic recording paper of white layer, to improve the effect of colored printing.
For solving above-mentioned technical problem, the technical solution used in the present invention is：
A kind of heat-sensitive magnetic recording paper with white layer, described heat-sensitive magnetic recording paper comprises paper base material, heat-sensitive layer, temperature-sensitive guarantor
Sheath, magnetosphere and white layer composition.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described white layer thickness is 1-10 μm.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described white layer whiteness is 60-80%.
The above-mentioned heat-sensitive magnetic recording paper with white layer, the resin selected by described white layer is heat curing-type or UV photocuring
Type；White layer component is calculated by weight as：Polyurethane resin 0-10, acrylic resin 0-10, UV light-cured resin 0-15, light
Initiator 0-1, titanium dioxide 60-80, other auxiliary agents 1-5, solvent 80-100；Described polyurethane resin, acrylic resin or UV light
At least select a kind of in solidified resin.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described titanium dioxide is anatase titanium dioxide or rutile-type.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described polyurethane resin is elongation rate of tensile failure in 200-500%
The polyurethane resin of hydroxyl, polyurethane resin is organic solvent type or aqueous emulsion type.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described acrylic resin preferred molecular weight is in 150000-300000
Between acrylic copolymer resin, acrylic resin is organic solvent type or aqueous emulsion type.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described UV light-cured resin is monofunctional reaction monomers or oligomeric
Thing or difunctionality base reaction monomers or oligomer, or trifunctional base reaction monomers or oligomer, multiple functional radical anti-
Answer monomer or oligomer, preferably the polyurethane acroleic acid oligomer of trifunctional base.
The above-mentioned heat-sensitive magnetic recording paper with white layer, described white layer preparation method includes by silk rod, intaglio plate, squeezes
The coating such as pressure, reverse roll, hectograph, anilox roll or printing.
Compared with prior art, the present invention passes through, on the magnetosphere of black, to be coated with or printing last layer white layer, improve
Colored printing effect, adapts to the requirement of more printed patterns.
The binding agent that white layer in the present invention uses can be polyurethane resin, acrylic resin or UV light-cured resin
One of or be applied in combination, preferably it is ensured that the wearability of white layer, do not pollute and do not wear and tear by three kinds of binding agents
Magnetic head.Meanwhile, by preferred to white layer thickness, the output characteristics of magnetosphere has been effectively ensured, has met use requirement.By white
Chromatograph whiteness preferred, white layer has been effectively ensured to the covering of magnetosphere it is ensured that printing pattern layer is not subject to the shadow of black magnetosphere
Ring.Therefore, the white layer of increase, while ensureing to use, meets the demand of the pattern that is beautifully printed.
The heat-sensitive magnetic recording paper with white layer of the present invention, has widened its range, imparts more extra prices
Value.
Brief description
Fig. 1 is the structural representation of the heat-sensitive magnetic recording paper with white layer of the present invention.
The each label of in figure is expressed as：1st, paper base material, 2, heat-sensitive layer, 3, temperature-sensitive protective layer, 4, magnetosphere, 5, white layer.
Specific embodiment
What the present invention provided the have heat-sensitive magnetic recording paper of white layer by paper base material, heat-sensitive layer, temperature-sensitive protective layer, magnetosphere and
White layer forms.
The thickness of described white layer is 1-10 μm, and preferentially at 3-6 μm, whiteness is 60%-80%, and thickness is less than 1 μm, white
Layer under lap it is impossible to completely black mask be lived.When white layer thickness be more than 10 μm, whiteness no longer with thickness change and
Change, and white layer is thicker, magnetosphere attenuated output signal more serious it is impossible to meet use requirement.
Resin selected by described white layer can be heat curing-type or UV light-cured type.
Described white layer component be：Polyurethane resin 0-10g, acrylic resin 0-10g, UV light-cured resin 0-15g, light
Initiator 0-1g, titanium dioxide 60-80g, other auxiliary agents 1-5g, solvent 80-100g.
Effect in white layer for the described polyurethane resin is the attachment fastness providing titanium dioxide and magnetosphere, and to titanium dioxide
There is excellent dispersibility.The polyurethane resin of the preferred hydroxyl in 200-500% for the elongation rate of tensile failure.If elongation rate of tensile failure
Less than 200%, the hardness of its white layer is bigger than normal, and flexibility diminishes frangibility, dry linting, abrasion magnetic head etc., is also easy to cause nominal value court
White layer roll is bent, and elongation rate of tensile failure is higher than 500%, and its white layer is softer, and impact is cut or is die cut, and impact ticket is in reading and writing machine
In run, cause card ticket etc..Be suitable to the present invention polyurethane resin include but is not limited to Japan spin UR5537 (organic solvent type)/
MD1245 (aqueous solution type) etc..
Effect in white layer for the described acrylic resin is the attachment fastness providing titanium dioxide and magnetosphere, in the present invention
Acrylic copolymer resin between 150000-300000 for the acrylic resin preferred molecular weight.If molecular weight is less than
150000, its viscosity is relatively low, and titanium dioxide can not be stably dispersed in binding agent, if molecular weight is higher than 300000, its viscosity is too
Height, white layer slurry fluidity is deteriorated, and impact is coated with or prints.The acrylic resin being applied to the present invention includes but is not limited to three
BR-113 (organic solvent type)/ROHM AND HAAS AC201 (aqueous solution type) of Pedicellus et Pericarpium Trapae chemistry etc..
Effect in white layer for the described UV light-cured resin is the attachment fastness providing titanium dioxide and magnetosphere.The present invention
In, UV light-cured resin can be monofunctional reaction monomers or oligomer or difunctionality base reaction monomers or oligomeric
Thing, can also be trifunctional base reaction monomers or oligomer, can also be multiple functional radical reaction monomers or oligomer, preferably three
The polyurethane acroleic acid oligomer of functional group, selects UV light-cured resin to be conducive to saving the use of solvent, reduces the dirt of environment
Dye, simultaneously white layer can in shorter drying baker dry solidification, energy saving.It is applied to the UV light-cured resin of the present invention
Including but not limited to Mitsui Chemicals UV solidified resin OLESTER RA3083 etc..
In the present invention, three kinds of resins may be used alone, can also be used in combination, and preferred compositions use, and selects three kinds of resins
Ratio, can take into account dispersion and the tack of titanium dioxide simultaneously, improve the performance such as whiteness and wearability.
Described titanium dioxide can be anatase titanium dioxide or rutile-type, preferably anatase thpe white powder.The effect of titanium dioxide
It is the whiteness improving coating, to improve printing effect.The titanium dioxide being applied to the present invention includes but is not limited to Du Pont R-902 etc..
Described solvent is one of toluene, Ketohexamethylene, butanone or water or is used in mixed way.
Described white layer is that titanium dioxide is scattered in the binding agent of organic solvent system, forms stable slurry, coating
On magnetosphere, gained after hot air drying.The effect of white layer is that black magnetosphere is served with good covering, can meet printing
The demand of exquisite pattern, reaches purpose attractive in appearance, and white layer has very high wearability and the magnetic head that do not pollute and do not wear and tear.
Described white layer preparation method includes by the coating such as silk rod, intaglio plate, extruding, reverse roll, hectograph, anilox roll or prints
Brush.
The present invention does not especially control to paper base material, preferably uses the body paper that thickness is 180～220 μm.
The heat-sensitive magnetic recording paper of the present invention is prepared by the following method：
Prepare white layer slurry first, by mixed solvent, auxiliary agent, polyurethane resin, acrylic resin and UV photocuring tree
After fat dissolves mix homogeneously in stirring and dissolving groove, put in dispersion slot, add titanium dioxide, dispersion 30-50 minute after through
After sand mill sand milling 1-5 time, material is driven in agitator tank, the initiator that addition solvent has dissolved, stirring mixing 60-90
After minute, slurry is released and is used for being coated with white layer.
A kind of preparation method is coating magnetosphere on paper base material, after dry solidification, in magnetic layer surface coating or printing
White layer, is coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, obtains the heat with white layer
Quick magnetic recording paper.
Another kind of preparation method is coating magnetosphere on paper base material, is then coated with heat-sensitive layer in paper base material another side, then
It is coated with temperature-sensitive protective layer on heat-sensitive layer, then is coated with magnetosphere or printing white layer, obtain the heat-sensitive magnetic recording with white layer
Paper.
White layer preparation method is included using cloth or printings such as silk rod, intaglio plate, extruding, reverse roll, hectograph, anilox roll.
With reference to embodiment, the present invention will be further described.
Embodiment 1
Prepare white layer slurry first, its proportioning is as follows：
Water, auxiliary agent, ester-polyurethane resin emulsion and emulsion acrylic resin are dissolved after mix homogeneously in stirring and dissolving groove,
Put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, slurry is released and is used for
Coating white layer.
200 microns of paper base material is coated with magnetosphere, then is 6 μm white with extrusion coated mode coating thickness on magnetosphere
Chromatograph, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carries out performance test.
Embodiment 2
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, acrylic resin and UV light-cured resin are dissolved after mix homogeneously in stirring and dissolving groove,
Put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, material is driven into and stirs
Mix in groove, the initiator that addition solvent has dissolved, after stirring mixing 60-90 minute, slurry is released and is used for being coated with white layer.
200 microns of paper base material is coated with magnetosphere, then is 6 μm with anilox roll coating method coating thickness on magnetosphere
White layer, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carry out performance test.
Embodiment 3
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, polyurethane resin and UV light-cured resin are dissolved after mix homogeneously in stirring and dissolving groove,
Put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, material is driven into and stirs
Mix in groove, the initiator that addition solvent has dissolved, after stirring mixing 60-90 minute, slurry is released and is used for being coated with white layer.
Magnetosphere is coated with 200 microns of paper base material, is then coated with heat-sensitive layer in paper base material another side, then on heat-sensitive layer
Coating temperature-sensitive protective layer, then the white layer being 6 μm with silk rod coating mode coating thickness on magnetosphere, preparation has white layer
Heat-sensitive magnetic recording paper, carries out performance test.
Embodiment 4
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent and UV light-cured resin are dissolved after mix homogeneously in stirring and dissolving groove, puts into dispersion
In groove, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, material is driven in agitator tank, plus
Enter the initiator having been dissolved with solvent, after stirring mixing 60-90 minute, slurry is released and is used for being coated with white layer.
200 microns of paper base material is coated with magnetosphere, then is 4 μm white with hectographic printing mode coating thickness on magnetosphere
Chromatograph, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carries out performance test.
Embodiment 5
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, polyurethane resin, acrylic resin are dissolved after mix homogeneously in stirring and dissolving groove, throws
Enter in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, slurry is released and is used for applying
Cloth white layer.
Magnetosphere is coated with 200 microns of paper base material, is then coated with heat-sensitive layer in paper base material another side, then on heat-sensitive layer
Coating temperature-sensitive protective layer, then the white layer being 10 μm with plate gravure coating method coating thickness on magnetosphere, preparation has white layer
Heat-sensitive magnetic recording paper, carry out performance test.
Embodiment 6
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, polyurethane resin, acrylic resin and UV light-cured resin are dissolved in stirring and dissolving groove
After mix homogeneously, put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, will
Material is driven in agitator tank, the initiator that addition solvent has dissolved, and after stirring mixing 60-90 minute, slurry is released and uses
In coating white layer.
200 microns of paper base material is coated with magnetosphere, then is 6 μm with reverse roll coating method coating thickness on magnetosphere
White layer, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carry out performance test.
Embodiment 7
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, polyurethane resin, acrylic resin and UV light-cured resin are dissolved in stirring and dissolving groove
After mix homogeneously, put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, will
Material is driven in agitator tank, the initiator that addition solvent has dissolved, and after stirring mixing 60-90 minute, slurry is released and uses
In coating white layer.
200 microns of paper base material is coated with magnetosphere, then is 1 μm with reverse roll coating method coating thickness on magnetosphere
White layer, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carry out performance test.
Embodiment 8
Prepare white layer slurry first, its proportioning is as follows：
Mixed solvent, auxiliary agent, polyurethane resin, acrylic resin and UV light-cured resin are dissolved in stirring and dissolving groove
After mix homogeneously, put in dispersion slot, add titanium dioxide, after dispersion 30-50 minute after sand mill sand milling 1-5 time, will
Material is driven in agitator tank, the initiator that addition solvent has dissolved, and after stirring mixing 60-90 minute, slurry is released and uses
In coating white layer.
200 microns of paper base material is coated with magnetosphere, then is 4 μm with reverse roll coating method coating thickness on magnetosphere
White layer, is then coated with heat-sensitive layer in paper base material another side, then is coated with temperature-sensitive protective layer on heat-sensitive layer, and preparation has white layer
Heat-sensitive magnetic recording paper, carry out performance test.
Performance test contrasts：
| Embodiment | Whiteness % | Attachment fastness | Wearability | Colored printing effect |
| 1 | 78 | No peel off | No wear and tear | Bright in colour, attractive in appearance |
| 2 | 72 | Slight point-like is had to peel off | Nominal value has mild wear | Bright in colour, attractive in appearance |
| 3 | 74 | Slight point-like is had to peel off | Nominal value has mild wear | Bright in colour, attractive in appearance |
| 4 | 75 | No peel off | Nominal value has mild wear | Bright in colour, attractive in appearance |
| 5 | 70 | No peel off | No wear and tear | Color and luster shows slightly Lycoperdon polymorphum Vitt |
| 6 | 76 | No peel off | No wear and tear | Bright in colour, attractive in appearance |
| 7 | 65 | No peel off | No wear and tear | Color and luster shows slightly Lycoperdon polymorphum Vitt |
| 8 | 79 | No peel off | No wear and tear | Bright in colour, attractive in appearance |
In table, the method for testing of properties is as follows：
1. whiteness：According to GB2804-2006 standard, using the test of WSD-3C full-automatic leucometer.
2. attachment fastness：Sticked to after white layer with 3M adhesive tape, then peeled away test.
3. wearability：Ticket machine is read and write 10,000 times, observes head wear situation and nominal value abrasion condition.
4. colored printing effect：Press printing multicolour pattern is used on white layer, observes printing effect.
Claims (7)
1. a kind of heat-sensitive magnetic recording paper with white layer is it is characterised in that described heat-sensitive magnetic recording paper comprises paper base material, temperature-sensitive
Layer, temperature-sensitive protective layer, magnetosphere and white layer composition.
2. the heat-sensitive magnetic recording paper with white layer according to claim 1 is it is characterised in that described white layer is coated with
Or it is printed on magnetic layer, its thickness is 1-10 μm, and whiteness is 60%-80%.
3. the heat-sensitive magnetic recording paper with white layer according to claim 1 is it is characterised in that selected by described white layer
Resin be heat curing-type or UV light-cured type；White layer component is calculated by weight as：Polyurethane resin 0-10, acrylic resin
0-10, UV light-cured resin 0-15, light trigger 0-1, titanium dioxide 60-80, other auxiliary agents 1-5, solvent 80-100；Described poly- ammonia
At least select a kind of in ester resin, acrylic resin or UV light-cured resin.
4. the heat-sensitive magnetic recording paper with white layer according to claim 3 is it is characterised in that described polyurethane resin is
In the hydroxyl polyurethane resin of 200-500%, polyurethane resin is organic solvent type or aqueous emulsion type to elongation rate of tensile failure.
5. the heat-sensitive magnetic recording paper with white layer according to Claims 2 or 3 is it is characterised in that described acrylic acid tree
Acrylic copolymer resin between 150000-300000 for the fat preferred molecular weight, acrylic resin is organic solvent type or water
Emulsion-type.
6. the heat-sensitive magnetic recording paper with white layer according to claim 2 is it is characterised in that described UV light-cured resin
The polyurethane acroleic acid oligomer of preferred trifunctional base.
7. the heat-sensitive magnetic recording paper with white layer according to claim 6 is it is characterised in that described white layer preparation side
Method includes by the coating such as silk rod, intaglio plate, extruding, reverse roll, hectograph, anilox roll or prints.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610767989.8A CN106468036A (en) | 2016-08-30 | 2016-08-30 | A kind of heat-sensitive magnetic recording paper with white layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610767989.8A CN106468036A (en) | 2016-08-30 | 2016-08-30 | A kind of heat-sensitive magnetic recording paper with white layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628528A (en) * | 2021-08-16 | 2021-11-09 | 赛维精密科技(广东)有限公司 | Label code spraying and overprinting process |
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|---|---|---|---|---|
| US4904635A (en) * | 1987-05-15 | 1990-02-27 | Fuji Photo Film Co., Ltd. | Heat-sensitive recording paper |
| JPH11180042A (en) * | 1997-12-22 | 1999-07-06 | Ricoh Co Ltd | Heat-sensitive magnetic recording material |
| CN101177081A (en) * | 2007-12-11 | 2008-05-14 | 中国乐凯胶片集团公司 | Heat-sensitive magnetic recording paper |
| CN101670721A (en) * | 2008-09-10 | 2010-03-17 | 株式会社理光 | Thermosensitive recording material |
| JP5966595B2 (en) * | 2012-05-16 | 2016-08-10 | 株式会社リコー | Method for producing thermal recording material |
-
2016
- 2016-08-30 CN CN201610767989.8A patent/CN106468036A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4904635A (en) * | 1987-05-15 | 1990-02-27 | Fuji Photo Film Co., Ltd. | Heat-sensitive recording paper |
| JPH11180042A (en) * | 1997-12-22 | 1999-07-06 | Ricoh Co Ltd | Heat-sensitive magnetic recording material |
| CN101177081A (en) * | 2007-12-11 | 2008-05-14 | 中国乐凯胶片集团公司 | Heat-sensitive magnetic recording paper |
| CN101670721A (en) * | 2008-09-10 | 2010-03-17 | 株式会社理光 | Thermosensitive recording material |
| JP5966595B2 (en) * | 2012-05-16 | 2016-08-10 | 株式会社リコー | Method for producing thermal recording material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113628528A (en) * | 2021-08-16 | 2021-11-09 | 赛维精密科技(广东)有限公司 | Label code spraying and overprinting process |
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Application publication date: 20170301 |