CN1472390A - Heat sensitive paper - Google Patents
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- CN1472390A CN1472390A CNA031137628A CN03113762A CN1472390A CN 1472390 A CN1472390 A CN 1472390A CN A031137628 A CNA031137628 A CN A031137628A CN 03113762 A CN03113762 A CN 03113762A CN 1472390 A CN1472390 A CN 1472390A
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Abstract
A thermosensitive paper especially suitable for printing lottery tickets is composed of raw paper and coated layers including precoated layer, thermosensitive layer, protecting layer, and coated back layer. Its advantages are wide coloring temp range (60-120 deg.C), high resistance to water, oil, organic solvent and dirt, and high printability.
Description
Technical field
The present invention relates to a kind of heat-sensitive paper, be meant a kind of manufacture method of heat-sensitive paper especially.
Background technology
Now Chang Yong heat-sensitive paper such as thermal fax paper, the color development temperature range is 65～75 ℃, meeting water behind the color development can fade rapidly, alcoholic intolerance essence, grease, send out cured etc., friction and contact mutability are spent dirty, the index that requires of anti-water and anti-other solvents can't be reached, the index request of special heat-sensitive paper can not be satisfied.China's ZL99117869.6 patent application " temperature-sensitive print paper production technology " disclose a kind of by multilayer material through compound, the digital code intergrated machine of coating process manufacturing and the temperature-sensitive print paper that platemaking machine is used, its composite bed is compound through adhesive by the basic paper that string and chemical fibre constitute by 1.2～2.0 microns polyester films of one deck and one deck, and thin layer and basic paper surface are coated with processing again; China's ZL97111775.6 patent " a kind of heat-sensitive plate-making paper " also discloses a kind of plate-making dedicated paper, resin in its thermoplasticity adhering resin layer is the vinyl chloride of the degree of polymerization below 1000 of ratio of components 65: 35～55: 45---vinyl acetate copolymer resins or be the polyester-type ammoniacum thermoplastic resin of the degree of polymerization 10000～100000, heat stabilizer is a di-n-butyltin dilaurate.What these two patents related to all is special-purpose plate-making paper, and except that having aforesaid defective, applicable surface is also narrower.
Summary of the invention
It is big to the purpose of this invention is to provide a kind of color development temperature range, and anti-water, grease resistance, anti-solvent, heat-sensitive paper that antifouling property is good.
Designed a kind of heat-sensitive paper according to above-mentioned purpose, the coat that comprises body paper and body paper surface, its coat comprise the temperature-sensitive coating and on the top protection layer, perhaps coat comprises precoated shet and the temperature-sensitive coating being close to the body paper surface and being used to improve temperature-sensitive effect and color development quality successively, improves the top protection layer of anti-oily anti-alcohol of anti-water and printing performance and/or is coated in the back coating at the paper back side.
Described temperature-sensitive coating comprises developer, adhesive, dyestuff, pigment component, also comprises auxiliary agent component wear out agent, ultraviolet (UV) resistant agent, anti-auxiliary agent, the suitable property auxiliary agent of operation of pressing, and the component of precoated shet comprises pigment and adhesive.Dyestuff in the temperature-sensitive coating is a leuco dye, and consumption is 5%～20%; Developer is developer commonly used, and as various water-base resins such as amine an aromatic plant metioned in ancient books, phenolic aldehyde, acrylic compounds, consumption is 8%～30%; The consumption of adhesive is 5%～15%; The consumption of pigment is 20%～50%; Consumption is 0.5%～15%; Total consumption of auxiliary agent is 1%～10%; The consumption of pigment is 80%～95% in the precoated shet, and the consumption of adhesive is 5%～20%, the use of can arranging in pairs or groups of various pigment, the use of also can arranging in pairs or groups of various adhesive.The general coating of precoated shet 1～3 time; The general coating of temperature-sensitive coating 1～2 time, total coating weight be 2～12 grams/square metre.And the preparation method of temperature-sensitive coating liquid gets 10% aqueous solution of leuco dye, PVA and water to grind and be made into A liquid; Get 10% aqueous solution, the CaCO of bis-phenol sulphur, PVA simultaneously
3, antiultraviolet preparation, UF resin and water grinds and is made into B liquid; According to getting A liquid dry weight 8～12%, get B liquid dry weight 88～92% again, determine according to actual needs to be made into thermo colour after the proportioning.
Described top protection layer has included adhesive, polymer, resin aqueous solution or the emulsion of film forming after polymerization, crosslinked action or the dry dehydration, also includes the auxiliary agent that accounts for total consumption 3%～20%, and described auxiliary agent comprises carbonate such as CaCO
3, saturated and unsaturated organic acid salt, SiO
2, printing auxiliary agent etc.During production, the protective coating that is positioned at the top can be coated with more than 1～3 time, total coating weight be 0.5～6 gram/square metre.And back coating comprises the pigment of consumption 10%～35% and the adhesive component of consumption 65%～90%, and coating process is identical with the top protection layer.
Can be widely used in the printing and the distribution paper of all kinds of lottery tickets such as sports lottery ticket, welfare lottery ticket etc. according to the heat-sensitive paper of the inventive method manufacturing, has 60～120 ℃ the temperature of color development on a large scale, excellent performances such as organic kind solvent, anti-pollution such as anti-simultaneously water, grease resistance, ethanol-tolerant; Owing to increased precoated shet, temperature-sensitive effect and color development quality are effectively improved, top protection and back coating have then improved the antifouling property and the printing performance of paper and have improved the outward appearance of paper, have effectively improved the grade and the added value of product of product.
Specific embodiments
Below in conjunction with embodiment concrete structure of the present invention and processing method are described in further detail.
The present invention can adopt 30～250 the gram/square metre body paper, be coated with at least on this body paper the temperature-sensitive coating and on the top protection layer two-layer, perhaps adopt multi-layer coated layer structure, at this moment comprise precoated shet, temperature-sensitive coating, the top protection layer that can improve temperature-sensitive effect and color development quality and can improve antifouling property and printing performance and improve the back coating of the outward appearance of paper.Wherein, in the thermo colour that the temperature-sensitive coating adopts, contain various water-base resins, for example amine resin (UF or MF resin), phenolic resins class and acrylic resin emulsion etc., but be not limited to described resinae, precoated shet then only contains color material and adhesive.Dyestuff in the thermo colour is a leuco dye, and for example fluorane is, but is not limited thereto, and consumption is 5%～20% of a total amount; Developer is identical with general heat-sensitive paper use, as BPA, bis-phenol sulphur, POBZ etc., and sensitizer such as BON etc., but be not limited thereto, consumption is 8%～30%; Adhesive can adopt as starch, PVA, carboxymethyl cellulose, acrylic resin, styrene-butadiene latex, styrene-acrylic latex etc., but is not limited thereto consumption 5%～15%; Pigment adopts CaCO more
3, Clay, SiO
2Deng, but be not limited thereto consumption 20%～50%; Other auxiliary agents in the coating comprise common agents such as anti-antiaging agent, ultraviolet (UV) resistant agent, anti-pressure auxiliary agent, the suitable property auxiliary agent of operation, but are not limited thereto consumption 1%～10%.
The component that the top protection layer relates to comprises aqueous solution or emulsions such as can playing polymerization, crosslinked (contain self and external additive reaches polymerization, crosslinked) or the dry various adhesive that lose film forming not, polymer, resin, for example polyvinyl alcohol, acrylic compounds, poly-ly press ester class and cellulose ethers etc., but be not limited to described resinae.Can be coated with one or many during use, each raw material that adopts can be identical also can be inequality, coating weight be 0.5～6 gram/square metre.
Below with enumerating concrete prescription and test data is illustrated.
Example 1.The preparation method of the preparation formula of thermo colour and temperature-sensitive coating: get leuco dye 30 grams, PVA3 restrains (being made into 10% solution), and water 70 grams grind and are made into A liquid; Get bis-phenol sulphur 35 grams, PVA3 restrains (being made into 10% solution), CaCO
335 grams, antiultraviolet preparation 2 grams, UF resin 10 grams, water 150 grams grind and are made into B liquid.According to A liquid 10% (dry weight), it is standby that B liquid 90% (dry weight) is made into thermo colour.Coat on the body paper preparing standby thermo colour, coating weight 4～10 grams/square metre, Sq 6 grams/square metre.
The preparation formula of top protection coating: acrylic resin 10 grams, crosslinking and curing agent 1 gram, water 10 grams after the mixing, are applied to above the heat-sensitive layer, coating weight 1 gram/square metre.
The preparation formula of precoated shet coating: kaolin 40%, calcium carbonate 50%, latex 10% is applied to after the mixing on the body paper front, coating weight 5 grams/square metre.
The preparation formula of back coating coating: calcium carbonate 90%, latex 10% is applied to after the mixing on the body paper back side, coating weight 2～4 grams/square metre.
Example 2.The preparation method prescription of the preparation of thermo colour and temperature-sensitive coating is with example 1.
The top protection layer is coated with at twice.For the first time, PVA liquid is coated on the heat-sensitive layer, coating weight 2 grams/square metre; For the second time, carboxyl styrene-butadiene emulsion and curing agent thereof, coating weight 2 grams/square metre.
The comparative example 1 that compares with last two examples.The heat-sensitive layer method for making: A liquid is with example 1, and the developer in the B liquid changes BPA into, and other are with example 1, and the top protection layer is with example 1, and coating weight and example 1 are together.
Comparative example 2.The heat-sensitive layer method for making is with example 1, no top protection layer, and coating weight is with example 1.
Comparative example 3.The heat-sensitive layer method for making is with comparative example 1, no top protection layer, and coating weight is with example 1.The achievement data contrast
| Project | Example 1 | Example 2 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Remarks |
| Initial color development temperature | ????110℃ | ????105℃ | ??87℃ | ??98℃ | ???80℃ | |
| Saturated light density | ????1.50 | ????1.40 | ??1.30 | ??1.62 | ???1.41 | |
| Normal temperature immersion color development portion optical density | ????1.38 | ????1.41 | ??0.58 | ??1.08 | ???0.28 | 2 hours |
| Antibiotic oiliness color development portion optical density | ????1.40 | ????1.42 | ??0.30 | ??0.72 | ???0.15 | Oil droplet coating 1 hour |
| Antibiotic alcohol color development portion optical density | ????1.38 | ????1.39 | ??0.30 | ??0.70 | ???0.20 | Alcohol coating 1 hour |
Claims (9)
1, a kind of heat-sensitive paper comprises it is characterized in that the coat on body paper and body paper surface
Coat comprise the temperature-sensitive coating and on the top protection layer, perhaps
Coat comprises the top protection layer of the precoated shet, temperature-sensitive coating, the anti-oily anti-alcohol of the anti-water of raising and the printing performance that improve temperature-sensitive effect and color development quality successively and/or is coated in the back coating at the paper back side.
2, heat-sensitive paper according to claim 1 is characterized in that described temperature-sensitive coating comprises developer, adhesive, dyestuff, pigment component, also comprises auxiliary agent component wear out agent, ultraviolet (UV) resistant agent, anti-auxiliary agent, the suitable property auxiliary agent of operation of pressing; The component of precoated shet comprises pigment and adhesive.
3, heat-sensitive paper according to claim 2 is characterized in that the dyestuff in the described temperature-sensitive coating is a leuco dye, and consumption is 5%～20%; Developer is developers commonly used such as water-base resin, and consumption is 8%～30%; The consumption of adhesive is 5%～15%; The consumption of pigment is 20%～50%; Total consumption of auxiliary agent is 1%～10%; The consumption of pigment is 80%～95% in the precoated shet, and the consumption of adhesive is 5%～20%.
4,, it is characterized in that the general coating of precoated shet 1～3 time according to claim 2 or 3 described heat-sensitive papers; The general coating of temperature-sensitive coating 1～2 time, total coating weight be 2～12 grams/square metre.
5, heat-sensitive paper according to claim 4, the preparation method who it is characterized in that temperature-sensitive coating liquid is that 10% aqueous solution and the water grinding of getting leuco dye, PVA are made into A liquid; Get 10% aqueous solution, the CaCO of bis-phenol sulphur, PVA
3, antiultraviolet preparation, UF and/or MF resin and water grinds and is made into B liquid;
According to A liquid dry weight 8～12%, B liquid dry weight 88%～92% is made into thermo colour.
6, heat-sensitive paper according to claim 1 is characterized in that described top protection layer includes adhesive, polymer, resin aqueous solution or the emulsion of film forming after polymerization, crosslinked action or the dry dehydration.
7, heat-sensitive paper according to claim 6 is characterized in that the top protection layer also includes the auxiliary agent that accounts for total consumption 3～20%, and described auxiliary agent comprises carbonate, saturated and unsaturated organic acid salt, SiO
2, the printing auxiliary agent.
8, according to claim 4 or 5 described heat-sensitive papers, more than the protective coating that it is characterized in that being positioned at the top can be coated with once, total coating weight be 0.5～6 gram/square metre.
9, heat-sensitive paper according to claim 1 is characterized in that described back coating comprises the pigment of consumption 10%～35% and the adhesive component of consumption 65%～90%, and coating process is identical with the top protection layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031137628A CN1472390A (en) | 2003-02-17 | 2003-02-17 | Heat sensitive paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031137628A CN1472390A (en) | 2003-02-17 | 2003-02-17 | Heat sensitive paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1472390A true CN1472390A (en) | 2004-02-04 |
Family
ID=34152540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031137628A Pending CN1472390A (en) | 2003-02-17 | 2003-02-17 | Heat sensitive paper |
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| Country | Link |
|---|---|
| CN (1) | CN1472390A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890847B (en) * | 2009-05-20 | 2011-10-05 | 河南省江河纸业有限责任公司 | High temperature resistant thermosensitive paper |
| CN103132373A (en) * | 2013-02-25 | 2013-06-05 | 江苏万宝瑞达纸业有限公司 | Single-waterproof temperature-sensitive label-use paper |
| CN103132374A (en) * | 2013-02-25 | 2013-06-05 | 江苏万宝瑞达纸业有限公司 | Waterproof and oil-proof temperature-sensitive label-use paper |
| CN103911055A (en) * | 2014-04-21 | 2014-07-09 | 四川天邑康和通信股份有限公司 | Heat sensitive paint |
| CN105040521A (en) * | 2015-06-05 | 2015-11-11 | 湖南恒瀚高新技术有限公司 | High-gloss multi-proof thermo-sensitive recording material and preparation method thereof |
| CN105256646A (en) * | 2015-09-18 | 2016-01-20 | 金华盛纸业（苏州工业园区）有限公司 | Water friction resistant thermal sensitive paper and making method thereof |
| CN105839457A (en) * | 2016-03-25 | 2016-08-10 | 江苏万宝瑞达高新技术有限公司 | Three-proofing thermal sensitive paper and manufacturing process thereof |
| CN105970726A (en) * | 2016-05-12 | 2016-09-28 | 广东松炀再生资源股份有限公司 | Composite water-absorbing heat-sensitive paper and preparation method thereof |
| CN106894286A (en) * | 2017-02-13 | 2017-06-27 | 上海固尔建工贸有限公司 | A kind of anti-ethanol heat-sensitive paper for possessing retention rate high |
| CN107128095A (en) * | 2017-04-26 | 2017-09-05 | 顾涛 | Temperature-sensitive draws pyrography material |
| CN108755245A (en) * | 2018-06-05 | 2018-11-06 | 戴琪 | A kind of preparation method of the wear-resisting heat-sensitive paper of water resistant |
| CN110735358A (en) * | 2019-10-24 | 2020-01-31 | 焦作卓立膜材料有限责任公司 | kinds of film-coated heat-sensitive paper and processing technology thereof |
| CN111746169A (en) * | 2020-05-26 | 2020-10-09 | 湖南天琪智慧印刷有限公司 | Positioning mark thermal sensitive paper and its positioning method and making method |
| CN111809442A (en) * | 2020-05-26 | 2020-10-23 | 湖南天琪智慧印刷有限公司 | Three-proofing thermal sensitive paper capable of improving definition of printed patterns and manufacturing method thereof |
| CN111809441A (en) * | 2020-05-26 | 2020-10-23 | 湖南天琪智慧印刷有限公司 | Thermal sensitive paper with high gloss and manufacturing method thereof |
| CN111827004A (en) * | 2020-05-26 | 2020-10-27 | 湖南天琪智慧印刷有限公司 | Thermal sensitive paper suitable for backing-paper-free label and manufacturing method thereof |
-
2003
- 2003-02-17 CN CNA031137628A patent/CN1472390A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890847B (en) * | 2009-05-20 | 2011-10-05 | 河南省江河纸业有限责任公司 | High temperature resistant thermosensitive paper |
| CN103132373A (en) * | 2013-02-25 | 2013-06-05 | 江苏万宝瑞达纸业有限公司 | Single-waterproof temperature-sensitive label-use paper |
| CN103132374A (en) * | 2013-02-25 | 2013-06-05 | 江苏万宝瑞达纸业有限公司 | Waterproof and oil-proof temperature-sensitive label-use paper |
| CN103911055A (en) * | 2014-04-21 | 2014-07-09 | 四川天邑康和通信股份有限公司 | Heat sensitive paint |
| CN103911055B (en) * | 2014-04-21 | 2016-08-17 | 四川天邑康和通信股份有限公司 | Heat sensitive paint |
| CN105040521A (en) * | 2015-06-05 | 2015-11-11 | 湖南恒瀚高新技术有限公司 | High-gloss multi-proof thermo-sensitive recording material and preparation method thereof |
| CN105256646A (en) * | 2015-09-18 | 2016-01-20 | 金华盛纸业（苏州工业园区）有限公司 | Water friction resistant thermal sensitive paper and making method thereof |
| CN105839457A (en) * | 2016-03-25 | 2016-08-10 | 江苏万宝瑞达高新技术有限公司 | Three-proofing thermal sensitive paper and manufacturing process thereof |
| CN105970726A (en) * | 2016-05-12 | 2016-09-28 | 广东松炀再生资源股份有限公司 | Composite water-absorbing heat-sensitive paper and preparation method thereof |
| CN106894286A (en) * | 2017-02-13 | 2017-06-27 | 上海固尔建工贸有限公司 | A kind of anti-ethanol heat-sensitive paper for possessing retention rate high |
| CN107128095A (en) * | 2017-04-26 | 2017-09-05 | 顾涛 | Temperature-sensitive draws pyrography material |
| CN107128095B (en) * | 2017-04-26 | 2019-08-09 | 顾涛 | Temperature-sensitive draws pyrography material |
| CN108755245A (en) * | 2018-06-05 | 2018-11-06 | 戴琪 | A kind of preparation method of the wear-resisting heat-sensitive paper of water resistant |
| CN110735358A (en) * | 2019-10-24 | 2020-01-31 | 焦作卓立膜材料有限责任公司 | kinds of film-coated heat-sensitive paper and processing technology thereof |
| CN111746169A (en) * | 2020-05-26 | 2020-10-09 | 湖南天琪智慧印刷有限公司 | Positioning mark thermal sensitive paper and its positioning method and making method |
| CN111809442A (en) * | 2020-05-26 | 2020-10-23 | 湖南天琪智慧印刷有限公司 | Three-proofing thermal sensitive paper capable of improving definition of printed patterns and manufacturing method thereof |
| CN111809441A (en) * | 2020-05-26 | 2020-10-23 | 湖南天琪智慧印刷有限公司 | Thermal sensitive paper with high gloss and manufacturing method thereof |
| CN111827004A (en) * | 2020-05-26 | 2020-10-27 | 湖南天琪智慧印刷有限公司 | Thermal sensitive paper suitable for backing-paper-free label and manufacturing method thereof |
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