CN102493270A - Heat-sensitive paper capable of resisting chemi-thermomechanical pulp - Google Patents
Heat-sensitive paper capable of resisting chemi-thermomechanical pulp Download PDFInfo
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- CN102493270A CN102493270A CN2011104121567A CN201110412156A CN102493270A CN 102493270 A CN102493270 A CN 102493270A CN 2011104121567 A CN2011104121567 A CN 2011104121567A CN 201110412156 A CN201110412156 A CN 201110412156A CN 102493270 A CN102493270 A CN 102493270A
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Abstract
Heat-sensitive paper capable of resisting chemi-thermomechanical pulp consists of a body paper layer, a precoating layer and a color developing layer, or consists of a body paper layer and a color developing layer. The body paper layer contains chemi-thermomechanical pulp content, and the precoating layer and the color developing layer are sequentially arranged on the body paper layer or only the color developing layer is arranged on the body paper layer. The color developing layer is prepared by, by weight, 10-30 parts of color-developing agent, 5-15 parts of leuco dyestuff, 10-30 parts of sensitizer, 5-15 parts of lubricant, 5-15 parts of adhesive, 10-35 parts of inorganic fillers, 5-10 parts of organic fillers, 1-5 parts of antioxidant and 0.1-2.0 part of accessory ingredient. The heat-sensitive paper is not influenced by chemi-thermomechanical pulp body paper. Even if the temperature reaches 60 DEG C and the humidity reaches 90% relative humidity (RH), heat-sensitive paper is placed for 100 hours, printed heat-sensitive paper also has excellent color developing depth, thereby prolonging storage life of the heat-sensitive paper greatly and solving the problem that the printed heat-sensitive paper which contains the chemi-thermomechanical pulp content and is placed for a period of time is light in color developing or cannot develop color.
Description
Technical field
The present invention relates to heat-sensitive paper and manufacture the field, particularly a kind of heat-sensitive paper that in the temperature-sensitive original paper layer, has the excellent in resistance machine slurry performance and the colour developing degree of depth in the containing machine slurry composition.
Background technology
The heat-sensitive paper that contains heat-sensitive color layer is widely used in various tickets, receipt, label, bank ATM printing, the supermarket cash register, and said heat-sensitive color layer is mainly and receives electrochromic agent (after this claiming developer) to heat the dope layer of understanding color development with the leuco dye of giving electronics.
Along with the nervous aggravation of resource, domestic increasing low-grade consumption industry is used cheap heat-sensitive paper, forces manufacturing enterprise to use the original paper layer of the body paper of containing machine slurry as heat-sensitive paper instead.At present in this cheap heat-sensitive paper; Developer in its color layer is mainly 4,4 '-dihydroxydiphenylsulisomer or 2,2 '-two (4-hydroxy phenyl) propane; The temperature-sensitive body paper of containing machine slurry composition can continue to destroy the temperature-sensitive coating at normal temperatures; In the straight quick color layer of pyrogenicity developer lose receive electric function and can't with dyestuff heating colour developing, thereby cause this heat-sensitive paper to place to print after 3 to 5 months colour developing thin out, even under hot and humid environment, cause the problem that can't develop the color.
Summary of the invention
The objective of the invention is to overcome the not shortcoming of the machine of anti-change slurry body paper of existing this heat-sensitive color layer, a kind of machine of anti-change slurry heat-sensitive paper that has excellent anti-ization machine slurry body paper and have the excellent colour developing degree of depth is provided.
For realizing the foregoing invention purpose, the present invention adopts following technical scheme: this machine of anti-change slurry heat-sensitive paper, form by original paper layer, precoated shet and color layer, and perhaps only form by original paper layer and color layer; Original paper layer is the body paper of containing machine slurry composition, and precoated shet and color layer are arranged on original paper layer successively, perhaps has only color layer, and said color layer is to be processed by the raw material of following dry weight part:
10～30 parts of 5～15 parts of sensitizers of 10～30 parts of leuco dyes of developer
10～35 parts of 5～15 parts of inorganic fillers of 5～15 parts of adhesives of lubricant
0.1～2.0 part of 1～5 part of auxiliary agent of 5～10 parts of anti-oxidants of organic filler.
Described color layer coating is to be coated with by the raw material of following dry measure part and by the component preparation again:
The A component: by 0.1～0.3 part of 5～15 parts of leuco dyes, 1.5～3.0 parts of adhesives and auxiliary agent, under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
B component: by 0.1～0.3 part of 10～30 parts of sensitizers, 1.5～3.0 parts of adhesives, 10～35 parts of inorganic fillers, 5～15 parts of lubricants, 1～5 part in antioxidant and auxiliary agent; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
The C component: by 0.1～0.3 part of 10～30 parts of developers, 1.5～3.0 parts of adhesives and auxiliary agent, under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
With A component, B component, C component, organic filler, adhesive, paraffin wax emulsions and auxiliary agent in dry weight ratio 10: 50: 24: 5: 5: 5: 1 mixing and water adding was mixed with color layer coating.
Said leuco dye is 2-phenylamino-3-methyl-6-dibutylamino fluorane.
Said adhesive is polyacrylic acid latex, modified polyvinylalcohol or starch cook liquid.
Said auxiliary agent is Sodium Polyacrylate, styrene-maleic anhydride copolymer, organic silicon modified by polyether or polyoxyethyl propyl glycerin ether.
Said sensitizer is benzyl-2 naphthyl ether or 1,2-hexichol oxidative ethane.
Said inorganic filler is calcined kaolin, calcium carbonate or silica.
Said lubricant is a zinc stearate.
Said anti-oxidant is 4,4 '-thiobis (the 6-tert-butyl group-3-methylphenol).
Said developer is 1,1 '-bis(4-hydroxyphenyl)cyclohexane, 4,4 '-(1-phenethyl) bis-phenol or the composition of different proportion between the above two.
Said organic filler is polystyrene hollow ball resin or urea aldehyde hollow ball resin.
The machine of anti-change the of the present invention slurry heat-sensitive paper, the influence of contained machine slurry body paper, even temperature reaches 60 ℃, humidity reach 90%RH condition held 100h after, print and also have the excellent colour developing degree of depth.This technology has prolonged the pot-life of heat-sensitive paper greatly, and the heat-sensitive paper that has also solved containing machine slurry composition is printed the thin out problem that maybe can't develop the color of colour developing after placement a period of time.
The specific embodiment
Through embodiment the present invention is elaborated below, but and do not limit the present invention in any way.In following examples and comparing embodiment, on original paper layer, be coated with last layer precoating material and one deck color layer coating successively.
Embodiment one
The machine of anti-change slurry heat-sensitive paper of the present invention is made up of original paper layer, precoated shet and color layer.
1, original paper layer is the temperature-sensitive body paper of containing machine slurry composition, and is on sale in the market.
2, the preparation of precoated shet coating and coating process are existing technology:
Calcined kaolin 60Kg, styrene-butadiene latex 10Kg, lubricant 8Kg, organic pigment 20Kg and auxiliary agent 2Kg, mixing and stirring into solid content is 40～50% coating.Be applied to knife type coater on the temperature-sensitive body paper of containing machine slurry composition, coating weight is 4～8g/m
2, form temperature-sensitive precoating paper through dry and press polish.
3, the preparation of color layer coating and coating process:
Color layer coating packet allocation system is coated with again.
A component: form by 2-phenylamino-3-methyl-6-dibutylamino fluorane 80Kg, starch cook liquid 18Kg, Sodium Polyacrylate 2Kg; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
B component: by benzyl-2 naphthyl ether 200Kg, modified polyvinylalcohol 27Kg, calcium carbonate 100Kg, calcined kaolin 50Kg, zinc stearate 100Kg, 4; 4 '-thiobis (the 6-tert-butyl group-3-methylphenol) 20Kg, Sodium Polyacrylate 3Kg form; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
C component: by 4; 4 '-(1-phenethyl) bis-phenol 220Kg, starch cook liquid 18Kg, Sodium Polyacrylate 2Kg form; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
With A component, B component, C component, urea aldehyde hollow ball resin, polyacrylic acid latex, stone earthworm emulsion and organic silicon modified by polyether in dry measure ratio 10: 50: 24: 5: 5: 5: it was 20%～40% color layer coating that 1 mixing and water adding is mixed with solid content; Be applied on the temperature-sensitive precoating paper with curtain formula coating machine, coating weight is 4～5g/m
2, be processed into heat-sensitive paper through dry and press polish.
Embodiment two
The machine of anti-change slurry heat-sensitive paper of the present invention is made up of original paper layer, precoated shet and color layer.
1, original paper layer is the temperature-sensitive body paper of containing machine slurry composition, and is on sale in the market.
2, the preparation of precoated shet coating and coating process are taked preparation and the coating process that precoated shet coating is identical among the embodiment one.
3, the preparation of color layer coating and coating process:
Color layer coating packet allocation system is coated with again.
A component: form by 2-phenylamino-3-methyl-6-dibutylamino fluorane 80Kg, modified polyvinylalcohol 18Kg, styrene-maleic anhydride copolymer 2Kg; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
B component: by 1; 2-hexichol oxidative ethane 200Kg, modified polyvinylalcohol 27Kg, calcium carbonate 100Kg, zinc stearate 100Kg, calcined kaolin 50Kg, 4; 4 '-thiobis (the 6-tert-butyl group-3-methylphenol) 20Kg, styrene-maleic anhydride copolymer 3Kg form; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
C component: by 1; 1 '-bis(4-hydroxyphenyl)cyclohexane 220Kg, modified polyvinylalcohol 18Kg, styrene-maleic anhydride copolymer 2Kg form; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
With A component, B component, C component, polystyrene hollow ball resin, polyacrylic acid latex, paraffin wax emulsions and polyoxyethyl propyl glycerin ether in dry measure ratio 10: 50: 24: 5: 5: 5: it was 20%～40% color layer coating that 1 mixing and water adding is mixed with solid content; Be applied on the temperature-sensitive precoating paper with curtain formula coating machine, coating weight is 4～5g/m
2, be processed into heat-sensitive paper through dry and press polish.
Comparative example one (the coating preparation and the coating of existing heat-sensitive paper)
1, the original paper layer that uses is the temperature-sensitive body paper of containing machine slurry composition, and is on sale in the market.
2, the preparation of precoated shet coating and coating process are taked preparation and the coating process that precoated shet coating is identical among the embodiment one.
3, preparation of color layer coating and coating method:
Color layer coating packet allocation system is coated with again.
A component: form by 2-phenylamino-3-methyl-6-dibutylamino fluorane 130Kg, starch cook liquid 18Kg, Sodium Polyacrylate 2Kg; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
B component: by benzyl-2 naphthyl ether 170Kg, starch cook liquid 30Kg, calcium carbonate 137Kg, zinc stearate 80Kg, 2; 2 '-two (4-hydroxy phenyl) propane 200Kg, Sodium Polyacrylate 3Kg form; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion through grinder.
The C component: 120Kg forms by calcined kaolin, and under high-speed stirred, adding water, to be mixed into solid content be 50%～60% dispersion liquid.
With A component, B component, C component, polyacrylic acid latex, paraffin wax emulsions and organic silicon modified by polyether in dry measure ratio 15: 62: 13: it is 20%～40% color layer coating that 5: 4: 1 mixing and water addings are mixed with solid content; Be applied on the temperature-sensitive precoating paper with curtain formula coating machine, coating weight is 4～5g/m
2, be processed into heat-sensitive paper through dry and press polish formation.
Comparative example two
1, the original paper layer that uses is that containing machine is not starched the temperature-sensitive body paper of composition (being the pure chemistry slurry), and is on sale in the market.
2, the preparation of precoated shet coating and coating process are taked preparation and the coating process that precoated shet coating is identical in the comparative example one.
3, preparation of color layer coating and coating method are taked preparation and the coating process that color layer coating is identical in the comparative example one.
To estimating as follows through the heat-sensitive paper that obtains in above embodiment and the comparing embodiment.
(1) the colour developing degree of depth
Four kinds of samples that the usability heat printing device obtains above embodiment and comparing embodiment are printed square colour developing pattern one by one, optical density instrumentation examination colour developing optical density.
Following table is the colour developing optical density that the pattern of embodiment and comparing embodiment records under identical conditions:
This data declaration embodiment 1 has the same excellent colour developing degree of depth with comparing embodiment with embodiment 2.
(2) machine of anti-change slurry performance
Choose embodiment of the same area and comparative sample one by one; Use above-mentioned sensible heat printing equipment; Half prints the colour developing pattern with these sample paper; Second half makes all article of plain pape (not colour developing), and to be placed on temperature be that 60 ℃, humidity are to leave standstill under the 90%RH environment 100 hours, then normal temperature place 1～2 hour dried naturally to paper, re-use the sensible heat printing equipment and print identical colour developing pattern.Two halves pattern pattern all uses opacimeter to measure its colour developing optical density, calculates aging retention rate (%).
Aging retention rate (%)=(Q1/Q2) * 100
Q1: the colour developing degree of depth of test back colour developing pattern
Q0: the colour developing degree of depth of colour developing pattern before the test
Grade:
Excellent: aging retention rate is greater than more than 85%
Generally: aging retention rate is between 50% and 85%
Difference: aging retention rate is less than 50%
The sample of this data declaration embodiment 1 and embodiment 2 has excellent performance aspect the machine of anti-change slurry.
Claims (11)
1. the heat-sensitive paper of the machine of anti-a change slurry is made up of original paper layer, precoated shet and color layer, perhaps only is made up of original paper layer and color layer; Original paper layer is the body paper of containing machine slurry composition, and precoated shet and color layer are arranged on original paper layer successively, perhaps has only color layer, and said color layer is to be processed by the raw material of following dry weight part:
10～30 parts of 5～15 parts of sensitizers of 10～30 parts of leuco dyes of developer
10～35 parts of organic filling out of 5～15 parts of inorganic fillers of 5～15 parts of adhesives of lubricant
Expect 0.1～2.0 part of 1～5 part of auxiliary agent of 5～10 parts of anti-oxidants.
2. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 is characterized in that: described color layer coating is to be coated with by the raw material of following dry measure part and by the component preparation again:
The A component: by 0.1～0.3 part of 5～15 parts of leuco dyes, 1.5～3.0 parts of adhesives and auxiliary agent, under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
B component: by 0.1～0.3 part of 10～30 parts of sensitizers, 1.5～3.0 parts of adhesives, 10～35 parts of inorganic fillers, 5～15 parts of lubricants, 1～5 part in antioxidant and auxiliary agent; Under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
The C component: by 0.1～0.3 part of 10～30 parts of developers, 1.5～3.0 parts of adhesives and auxiliary agent, under agitation adding water, to be mixed into solid content be 30%～40% mixture, is ground to average grain diameter less than 0.7 micron dispersion;
With A component, B component, C component, organic filler, adhesive, paraffin wax emulsions and auxiliary agent in dry measure ratio 10: 50: 24: 5: 5: 5: 1 mixing and water adding was mixed with color layer coating.
3. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said leuco dye is 2-phenylamino-3-methyl-6-dibutylamino fluorane.
4. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said adhesive is polyacrylic acid latex, modified polyvinylalcohol or starch cook liquid.
5. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said auxiliary agent is Sodium Polyacrylate, styrene-maleic anhydride copolymer, organic silicon modified by polyether or polyoxyethyl propyl glycerin ether.
6. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said sensitizer is benzyl-2 naphthyl ether or 1,2-hexichol oxidative ethane.
7. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said inorganic filler is calcined kaolin, calcium carbonate or silica.
8. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said lubricant is a zinc stearate.
9. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said anti-oxidant is 4,4 '-thiobis (the 6-tert-butyl group-3-methylphenol).
10. the heat-sensitive paper of the machine of anti-change the according to claim 1 and 2 slurry, it is characterized in that: said developer is 1,1 '-bis(4-hydroxyphenyl)cyclohexane, 4,4 '-(1-phenethyl) bis-phenol or the composition of different proportion between the above two.
11. the heat-sensitive paper of the machine of anti-change slurry according to claim 1 and 2, it is characterized in that: said organic filler is polystyrene hollow ball resin or urea aldehyde hollow ball resin.
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| CN201110412156.7A CN102493270B (en) | 2011-12-07 | 2011-12-07 | Heat-sensitive paper capable of resisting chemi-thermomechanical pulp |
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Cited By (10)
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| CN104452464A (en) * | 2013-09-18 | 2015-03-25 | 金华盛纸业（苏州工业园区）有限公司 | Thermal sensitive paper and production method thereof |
| CN105040508A (en) * | 2015-06-05 | 2015-11-11 | 湖南恒瀚高新技术有限公司 | Method for manufacturing thermo-sensitive industrial precoating base paper |
| CN106676972A (en) * | 2016-12-22 | 2017-05-17 | 江苏万宝瑞达高新技术有限公司 | Thermal sensitive paper with invisible fluorescence developing function |
| CN108824076A (en) * | 2018-05-31 | 2018-11-16 | 河南江河纸业股份有限公司 | A kind of heat-sensitive paper without phenolic compound |
| CN110283489A (en) * | 2019-06-06 | 2019-09-27 | 山西大学 | A kind of thermosensitive color development water suction coaster and preparation method thereof |
| CN112796169A (en) * | 2020-12-31 | 2021-05-14 | 粤港（广州）智能印刷有限公司 | Environment-friendly thermal paper with clear color development and long retention period |
| CN113832772A (en) * | 2021-10-19 | 2021-12-24 | 北京中远冀恒科技发展有限公司 | Thermosensitive synthetic label paper of preservative film plasticizer and preparation method thereof |
| CN114277610A (en) * | 2021-12-30 | 2022-04-05 | 北京鼎一致远科技发展有限公司 | Isolating and protecting layer coating for bicolor inkless printing paper, preparation method of isolating and protecting layer coating and bicolor inkless printing paper |
| CN115748299A (en) * | 2022-11-24 | 2023-03-07 | 寿光晨鸣美术纸有限公司 | Production method of high-whiteness silver-colored thermal sensitive paper |
| CN115748300A (en) * | 2022-11-24 | 2023-03-07 | 寿光晨鸣美术纸有限公司 | Super-high-elasticity thermal sensitive paper and production method thereof |
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| CN104452464A (en) * | 2013-09-18 | 2015-03-25 | 金华盛纸业（苏州工业园区）有限公司 | Thermal sensitive paper and production method thereof |
| CN105040508A (en) * | 2015-06-05 | 2015-11-11 | 湖南恒瀚高新技术有限公司 | Method for manufacturing thermo-sensitive industrial precoating base paper |
| CN106676972A (en) * | 2016-12-22 | 2017-05-17 | 江苏万宝瑞达高新技术有限公司 | Thermal sensitive paper with invisible fluorescence developing function |
| CN106676972B (en) * | 2016-12-22 | 2019-03-19 | 江苏万宝瑞达高新技术有限公司 | Thermal sensitive paper with invisible fluorescence developing function |
| CN108824076A (en) * | 2018-05-31 | 2018-11-16 | 河南江河纸业股份有限公司 | A kind of heat-sensitive paper without phenolic compound |
| CN110283489A (en) * | 2019-06-06 | 2019-09-27 | 山西大学 | A kind of thermosensitive color development water suction coaster and preparation method thereof |
| CN112796169A (en) * | 2020-12-31 | 2021-05-14 | 粤港（广州）智能印刷有限公司 | Environment-friendly thermal paper with clear color development and long retention period |
| CN113832772A (en) * | 2021-10-19 | 2021-12-24 | 北京中远冀恒科技发展有限公司 | Thermosensitive synthetic label paper of preservative film plasticizer and preparation method thereof |
| CN113832772B (en) * | 2021-10-19 | 2022-12-09 | 北京中远冀恒科技发展有限公司 | Thermosensitive synthetic label paper for preservative film plasticizer and preparation method thereof |
| CN114277610A (en) * | 2021-12-30 | 2022-04-05 | 北京鼎一致远科技发展有限公司 | Isolating and protecting layer coating for bicolor inkless printing paper, preparation method of isolating and protecting layer coating and bicolor inkless printing paper |
| CN115748299A (en) * | 2022-11-24 | 2023-03-07 | 寿光晨鸣美术纸有限公司 | Production method of high-whiteness silver-colored thermal sensitive paper |
| CN115748300A (en) * | 2022-11-24 | 2023-03-07 | 寿光晨鸣美术纸有限公司 | Super-high-elasticity thermal sensitive paper and production method thereof |
| CN115748300B (en) * | 2022-11-24 | 2023-10-03 | 寿光晨鸣美术纸有限公司 | Super-high-loose thermosensitive paper and production method thereof |
| CN115748299B (en) * | 2022-11-24 | 2024-01-05 | 寿光晨鸣美术纸有限公司 | Production method of high-whiteness cashing thermosensitive paper |
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