CN106351069A - High-stability thermosensitive paper and preparation method thereof - Google Patents
High-stability thermosensitive paper and preparation method thereof Download PDFInfo
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- CN106351069A CN106351069A CN201610939036.5A CN201610939036A CN106351069A CN 106351069 A CN106351069 A CN 106351069A CN 201610939036 A CN201610939036 A CN 201610939036A CN 106351069 A CN106351069 A CN 106351069A
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- roadholding
- high heat
- sensitive paper
- paper
- dispersion liquid
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- 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
- D21H19/54—Starch
-
- 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
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- 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
- D21H19/64—Inorganic 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
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/822—Paper comprising more than one coating superposed two superposed coatings, both being pigmented
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
The invention discloses high-stability thermosensitive paper which comprises a raw paper layer as well as a precoating layer and a color development layer sequentially coating the raw paper layer. In the invention, a stabilizer is added into the color development layer to improve the stability of a color development group so as to guarantee the water resistance of the thermosensitive paper; and after being soaked in water for 8 hours, the thermosensitive paper still has relatively high light density, and the preserving rate of an image in water is high.
Description
Technical field
The invention belongs to field of papermaking is and in particular to a kind of high heat-sensitive paper of roadholding.
Background technology
The heat mainly being provided by printhead in the use of temperature-sensitive paper, makes the developer in chromonic layer provide proton
Pattern and the word of demand is produced with leuco dye after reacting.Heat-sensitive paper is in logistic label, metering label, lottery ticket, train
The aspects such as ticket are used more and more extensive, and temperature-sensitive paper is susceptible to back reaction so as to fade in chance water after printing color development, impact
Using effect.People are to the water resistance demand more and more higher of heat-sensitive paper it is desirable to the roadholding of heat-sensitive paper is high.
Content of the invention
For solving above-mentioned technical problem, the invention discloses a kind of high heat-sensitive paper of roadholding, its resistance to water is strong, preserves
Rate is high, stable performance.
For achieving the above object, the technical scheme is that
A kind of high heat-sensitive paper of roadholding, comprises original paper layer, and the precoated shet in original paper layer coated thereon and color development
Layer, described precoated shet is made up of the raw material of following mass fraction: 10～25 parts of filler 50-100 part, adhesive；
Described chromonic layer is made up of the raw material of following mass fraction: filler 50-100 part, developer dispersion 75-150 part,
Sensitization agent dispersing liquid 60-120 part, adhesive 30-70 part, dye dispersion liquid 30-60 part, lubricant 10-20 part, tranquilizer 20-
40 parts.
Described filler is precipitated calcium carbonate, silicon dioxide, calcined kaolin, lamellar hargil, in hollow plastic pigment extremely
Few one kind.
The adhesive of described precoated shet is styrene-butadiene latex, styrene acrylic resin, starch, polyvinyl alcohol, acrylic acid tree
At least one in fat.
Described developer dispersion is the mixed liquor of developer and polyvinyl alcohol, and described developer is 4, and 4 '-sulfonyl is double
[2- (2- acrylic)] phenol, 2,4 diphenyl sulfone phenol, n- (p-toluenesulfonyl)-n '-(3- tolysulfonyl oxygen phenyl) urea
In at least one.
Described sensitization agent dispersing liquid is the mixed liquor of sensitizer and polyvinyl alcohol, and described sensitizer is 1,2 two phenoxy group second
At least one in alkane, diphenyl sulphone (DPS), stearic amide, 1,2- bis- (3- methylphenoxy) ethane.
The adhesive of described chromonic layer is at least one of polyvinyl alcohol, styrene butadiene and starch.
Described dye dispersion liquid is the mixed liquor of dyestuff and polyvinyl alcohol, described dyestuff be 2- (2-4- dimethylbenzene amido)-
3- methyl -6- lignocaine fluorane.
Described lubricant is zinc stearate, calcium stearate, at least one in paraffin.
Described tranquilizer is 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base) butane, 1,1,3- tri- (2- methyl -4-
Hydroxyl -5- cyclohexyl phenyl) at least one in butane.
Wherein, the coating weight of described precoated shet is 8-15g/m2(gram every square metre).
Wherein, the coating weight of described chromonic layer is 2-8g/m2(gram every square metre).
The present invention also provides the preparation method of the high heat-sensitive paper of described roadholding, comprises the following steps:
(1) prepare precoated shet and coated on original paper layer, precoated shet consists of: filler 50-100 part, adhesive 10
～25 parts；
(2) prepare developer dispersion: developer 30-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 25%-50% dispersion
Liquid, grinds to form the solution of 0.3-1.5 μm of particle diameter in controlling wet-type finishing machine；
(3) preparation sensitization agent dispersing liquid: sensitizer 30-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 30%-50% dispersion
Liquid, grinds to form the solution that particle diameter is 0.3-1.5 μm in controlling wet-type finishing machine；
(4) prepare dye dispersion liquid: dyestuff 25-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 25-50% solution, in wet type
Grinding machine for grinding becomes the solution that particle diameter is 0.2-1.5 μm；
(5) by above-mentioned developer dispersion, sensitization agent dispersing liquid, dye dispersion liquid and filler, adhesive, lubricant, peace
Determine agent to form by color development layer formula, mixing is dispersed into the chromonic layer coating fluid that solid content is 20～35%；Described color development layer formula
Consist of filler 50-100 part, developer dispersion 75-150 part, sensitization agent dispersing liquid 60-120 part, adhesive 30-70 part, dye
Material dispersion liquid 30-60 part, lubricant 10-20 part, tranquilizer 20-40 part；
(6) described chromonic layer coating fluid is uniformly coated on above precoated shet, that is, makes the high heat-sensitive paper of roadholding.
Wherein, it is uniformly coated on body paper after the coating fluid described precoated shet high-speed stirred being configured to 20-35% solid content
Surface, coating weight is 8-15g/m2(gram every square metre).
Wherein, described chromonic layer coating fluid high-speed stirred is spread evenly across in the coating paper scribbling precoated shet, coating weight
For 2-8g/m2(gram every square metre).
In the present invention, the effect of precoated shet is to cover body paper face, provides certain effect of heat insulation, to the greatest extent may be used when back segment prints
The energy that printhead provides can be rested on chromonic layer, improve effect of chromonic layer.
In the present invention, the effect adding tranquilizer is the stability improving temperature-sensitive paper chromophoric group, suppresses its color development
Back reaction degree in wet environment for the group, makes the stability in wet environment of the chromophoric group in chromonic layer significantly carry
Height, thus improve the roadholding of heat-sensitive paper.
The present invention adds tranquilizer to improve the stability of chromophoric group in chromonic layer, thus ensureing the resistance to of temperature-sensitive paper
Aqueouss energy, heat-sensitive paper of the present invention still has higher optical density value after soaking 8 hours in water, it is high that image meets water storage rate.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read present disclosure, those skilled in the art can
To make various changes or modifications to the present invention, these equivalent form of values equally fall within limited range of the present invention.
Using identical body paper, precoat formula and coating weight, precoating coating weight control is in 11g/m2, carry out different heat
Quick formula coating, contrasts water-fast effect.
Embodiment 1
A kind of high heat-sensitive paper of roadholding, including original paper layer, precoated shet and chromonic layer.
Precoated shet consists of: 50 parts of filler, 10 parts of adhesive；Precoated shet coating weight control is in 11g/m2.
Preparing of chromonic layer is as follows:
Prepare developer dispersion: 2,4 35 parts of diphenyl sulfone phenol, 3 parts of polyvinyl alcohol, it is 35% that mixing is dispersed into concentration
Dispersion liquid, is ground to particle diameter in controlling wet-type finishing machine and is 1 μm；
Preparation sensitization agent dispersing liquid: 1,2 35 parts of biphenoxyl ethane, 3 parts of polyvinyl alcohol, it is 35% that mixing is dispersed into concentration
Dispersion liquid, be ground in controlling wet-type finishing machine particle diameter be 0.8 μm；
Prepare 35 parts of dye dispersion liquid: 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane, polyvinyl alcohol 3
Part, mixing is dispersed into the dispersion liquid that concentration is 35%, is ground to particle diameter and is 0.8 μm in controlling wet-type finishing machine；
Color development layer formula consists of: 100 parts of filler, 75 parts of developer dispersion, sensitization agent dispersing liquid are 90 parts, adhesive
40 parts, 15 parts of lubricant, 45 parts of dye dispersion liquid, 25 parts of tranquilizer；
By above-mentioned developer dispersion, sensitization agent dispersing liquid, dye dispersion liquid and filler, adhesive, lubricant, tranquilizer
By color development layer formula composition, it is dispersed into, according to mass fraction mixing, the chromonic layer coating fluid that solid content is 32%；
Filler is calcined kaolin, and developer is 2,4 diphenyl sulfone phenol, and sensitizer is 1,2 biphenoxyl ethanes, gluing
Agent is polyvinyl alcohol, and lubricant is paraffin, and dyestuff is 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane, stabilizes
Agent is 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base) butane.
The above-mentioned chromonic layer coating fluid made is uniformly coated on above precoated shet using coating machine, chromonic layer coating weight
Control in 4.8g/m2.Become paper to print and test color development position after the completion of coating, after soaking 8h in water under room temperature, test optical density
Value.The results are shown in Table 1.
Embodiment 2
A kind of high heat-sensitive paper of roadholding, including original paper layer, precoated shet and chromonic layer.
Precoated shet consists of: 100 parts of filler, 25 parts of adhesive；Precoated shet coating weight control is in 11g/m2.
Preparing of chromonic layer is as follows:
Prepare developer dispersion: 4, double [2- (2- acrylic)] 35 parts of the phenol of 4 '-sulfonyl, 5 parts of polyvinyl alcohol, mixing
Being dispersed into concentration is 35% dispersion liquid, is ground to particle diameter and is 1 μm in controlling wet-type finishing machine；
Preparation sensitization agent dispersing liquid: 35 parts of diphenyl sulphone (DPS), 5 parts of polyvinyl alcohol, mixing is dispersed into the dispersion liquid that concentration is 35%,
It is ground to particle diameter and be 0.8 μm in controlling wet-type finishing machine；
Prepare 35 parts of dye dispersion liquid: 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane, polyvinyl alcohol 5
Part, mixing is dispersed into the dispersion liquid that concentration is 35%, is ground to particle diameter and is 0.8 μm in controlling wet-type finishing machine；
Color development layer formula consists of: 50 parts of filler, 150 parts of developer dispersion, sensitization agent dispersing liquid are 120 parts, gluing
30 parts of agent, 20 parts of lubricant, 30 parts of dye dispersion liquid, 40 parts of tranquilizer；
By above-mentioned developer dispersion, sensitization agent dispersing liquid, dye dispersion liquid and filler, adhesive, lubricant, tranquilizer
By color development layer formula composition, it is dispersed into, according to mass fraction mixing, the chromonic layer coating fluid that solid content is 20%；
The filler of chromonic layer is precipitated calcium carbonate, and adhesive is polyvinyl alcohol, and lubricant is paraffin, and tranquilizer is 1,1,3-
Three (2- methyl -4- hydroxyl -5- cyclohexyl phenyl) butane.
The above-mentioned chromonic layer coating fluid made is uniformly coated on above precoated shet using coating machine, chromonic layer coating weight
Control in 4.8g/m2.Become paper to print and test color development position after the completion of coating, after soaking 8h in water under room temperature, test optical density
Value.The results are shown in Table 1.
Comparative example
Prepare developer dispersion: 2,4 35 parts of diphenyl sulfone phenol, 3 parts of polyvinyl alcohol, it is 35% that mixing is dispersed into concentration
Dispersion liquid, is ground to particle diameter in controlling wet-type finishing machine and is 1 μm.
Preparation sensitization agent dispersing liquid: 1,2 35 parts of biphenoxyl ethane, 3 parts of polyvinyl alcohol, it is 35% that mixing is dispersed into concentration
Dispersion liquid, be ground in controlling wet-type finishing machine particle diameter be 0.8 μm.
Prepare 35 parts of dye dispersion liquid: 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane, polyvinyl alcohol 3
Part, mixing is dispersed into the dispersion liquid that concentration is 35%, is ground to particle diameter and is 0.8 μm in controlling wet-type finishing machine.
Above-mentioned dispersion liquid and filler, adhesive, lubricant etc. are pressed color development layer formula, is dispersed into according to mass fraction mixing solid
Content is 32% chromonic layer coating fluid.
Color development layer formula: wherein 100 parts of filler, 75 parts of developer dispersion, 90 parts of agent dispersing liquid of sensitization, adhesive 40
Part, 15 parts of lubricant, 45 parts of dye dispersion liquid.
Filler is calcined kaolin, developer is 2,4 diphenyl sulfone phenol, sensitizer is 1,2 biphenoxyl ethanes, gluing
Agent is polyvinyl alcohol, lubricant is paraffin, dyestuff is 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane.
Above-mentioned dispersion chromonic layer coating fluid is uniformly coated on above precoated shet using coating machine, heat-sensitive layer coating weight control
In 4.8g/m2.Become paper to print and test color development position after the completion of coating, in water, under room temperature, soak densitometric value after 8h.
Table 1 heat-sensitive paper water resistance test result of the present invention
It can be seen that, heat-sensitive paper of the present invention, with respect to common heat-sensitive paper, still has higher optical density after soaking 8 hours in water
Value, image meets water storage rate height, has higher water resistance, and roadholding is high.
It is more than the description to the embodiment of the present invention, by the described above to the disclosed embodiments, make this area special
Industry technical staff is capable of or uses the present invention.Multiple modifications to these embodiments come to those skilled in the art
Say and will be apparent from, generic principles defined herein can be in the situation without departing from the spirit or scope of the present invention
Under, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is intended to accord with
Close the wide scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. the high heat-sensitive paper of a kind of roadholding, including original paper layer, and the precoated shet being coated with successively on original paper layer and send out
Chromatograph is it is characterised in that described precoated shet is made up of the raw material of following mass fraction: filler 50-100 part, adhesive 10～25
Part；
Described chromonic layer is made up of the raw material of following mass fraction: filler 50-100 part, developer dispersion 75-150 part, sensitization
Agent dispersing liquid 60-120 part, adhesive 30-70 part, dye dispersion liquid 30-60 part, lubricant 10-20 part, tranquilizer 20-40 part.
2. the high heat-sensitive paper of roadholding as claimed in claim 1 it is characterised in that described filler be precipitated calcium carbonate, two
At least one in silicon oxide, calcined kaolin, lamellar hargil, hollow plastic pigment.
3. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that the adhesive of described precoated shet is butylbenzene
At least one in latex, styrene acrylic resin, starch, polyvinyl alcohol, acrylic resin.
4. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that described developer dispersion is developer
With the mixed liquor of polyvinyl alcohol, described developer is 4,4 '-sulfonyl double [2- (2- acrylic)] phenol, 2,4 diphenyl sulfone benzene
At least one in phenol, n- (p-toluenesulfonyl)-n '-(3- tolysulfonyl oxygen phenyl) urea.
5. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that described sensitization agent dispersing liquid is sensitizer
With the mixed liquor of polyvinyl alcohol, described sensitizer is 1,2 biphenoxyl ethanes, diphenyl sulphone (DPS), stearic amide, 1,2- bis- (3- first
Phenoxyl) at least one in ethane.
6. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that the adhesive of described chromonic layer is poly- second
At least one of enol, styrene butadiene and starch；Described lubricant is zinc stearate, calcium stearate, in paraffin at least
A kind of.
7. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that described dye dispersion liquid is dyestuff and gathers
The mixed liquor of vinyl alcohol, described dyestuff is 2- (2-4- dimethylbenzene amido) -3- methyl -6- lignocaine fluorane.
8. the high heat-sensitive paper of roadholding as claimed in claim 1 is it is characterised in that described tranquilizer is 1,1,3- tri- (2-
Methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base) butane, in 1,1,3- tri- (2- methyl -4- hydroxyl -5- cyclohexyl phenyl) butane at least
A kind of.
9. the high heat-sensitive paper of described roadholding as arbitrary in claim 1～8 is it is characterised in that by described precoated shet at a high speed
Stirring is uniformly coated on body paper surface after being configured to the coating fluid of 20-35% solid content, and coating weight is 8-15g/m2；By described
Chromatograph coating fluid high-speed stirred is spread evenly across in the coating paper scribbling precoated shet, and coating weight is 2-8g/m2.
10. the preparation method of the high heat-sensitive paper of the arbitrary described roadholding of claim 1～9 is it is characterised in that described preparation
Method comprises the following steps:
(1) prepare precoated shet and coated on original paper layer, precoated shet consists of: filler 50-100 part, adhesive 10～25
Part；
(2) prepare developer dispersion: developer 30-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 25%-50% dispersion liquid,
The solution of 0.3-1.5 μm of particle diameter is ground to form in controlling wet-type finishing machine；
(3) preparation sensitization agent dispersing liquid: sensitizer 30-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 30%-50% dispersion liquid,
The solution that particle diameter is 0.3-1.5 μm is ground to form in controlling wet-type finishing machine；
(4) prepare dye dispersion liquid: dyestuff 25-50 part, polyvinyl alcohol 2-5 part, it is dispersed into 25-50% dispersion liquid, grind in wet type
The solution that particle diameter is 0.2-1.5 μm is ground to form in grinding machine；
(5) by above-mentioned developer dispersion, sensitization agent dispersing liquid, dye dispersion liquid and filler, adhesive, lubricant, tranquilizer
By color development layer formula composition, mixing is dispersed into the chromonic layer coating fluid that solid content is 20～35%；Described color development layer formula composition
Divide for filler 50-100 part, developer dispersion 75-150 part, sensitization agent dispersing liquid 60-120 part, adhesive 30-70 part, dyestuff
Dispersion liquid 30-60 part, lubricant 10-20 part, tranquilizer 20-40 part；
(6) described chromonic layer coating fluid is uniformly coated on above precoated shet, that is, makes the high heat-sensitive paper of roadholding.
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| CN201610939036.5A CN106351069A (en) | 2016-10-25 | 2016-10-25 | High-stability thermosensitive paper and preparation method thereof |
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| CN109112894A (en) * | 2018-09-10 | 2019-01-01 | 金华盛纸业（苏州工业园区）有限公司 | A kind of Anti-fake thermosensitive paper and preparation method thereof |
| CN112301796A (en) * | 2019-08-02 | 2021-02-02 | 金华盛纸业（苏州工业园区）有限公司 | Thermal sensitive paper and preparation method thereof |
| CN114960274A (en) * | 2022-06-21 | 2022-08-30 | 理光感热技术（无锡）有限公司 | High-stability thermal sensitive paper and preparation method thereof |
| CN114990937A (en) * | 2022-06-17 | 2022-09-02 | 理光感热技术（无锡）有限公司 | High-alcohol-resistance thermal sensitive paper and preparation method thereof |
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| CN109112894A (en) * | 2018-09-10 | 2019-01-01 | 金华盛纸业（苏州工业园区）有限公司 | A kind of Anti-fake thermosensitive paper and preparation method thereof |
| CN109112894B (en) * | 2018-09-10 | 2021-11-23 | 金华盛纸业（苏州工业园区）有限公司 | Anti-counterfeiting thermal sensitive paper and preparation method thereof |
| CN112301796A (en) * | 2019-08-02 | 2021-02-02 | 金华盛纸业（苏州工业园区）有限公司 | Thermal sensitive paper and preparation method thereof |
| CN114990937A (en) * | 2022-06-17 | 2022-09-02 | 理光感热技术（无锡）有限公司 | High-alcohol-resistance thermal sensitive paper and preparation method thereof |
| CN114960274A (en) * | 2022-06-21 | 2022-08-30 | 理光感热技术（无锡）有限公司 | High-stability thermal sensitive paper and preparation method thereof |
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