CN104875518B - A kind of coating, thermal transfer paper and preparation method thereof - Google Patents
A kind of coating, thermal transfer paper and preparation method thereof Download PDFInfo
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- CN104875518B CN104875518B CN201410070616.6A CN201410070616A CN104875518B CN 104875518 B CN104875518 B CN 104875518B CN 201410070616 A CN201410070616 A CN 201410070616A CN 104875518 B CN104875518 B CN 104875518B
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Abstract
The invention discloses a kind of coating, thermal transfer paper and preparation method thereof.Wherein, the coating of 100 mass parts compares material including following mass component：40~60 mass parts precipitated calcium carbonates；20~40 mass parts powdered whitings；10~30 mass parts china clay；The stearic amide and ethylene-vinyl acetate copolymer mixed emulsion of 2~10 mass parts.The coating of the present invention has good absorbency and carbon dust adhesive rate so that with paper Normal silica can be overcome to be formulated thermal transfer using the thermal transfer of the coating needs with paper the limitation of special producing equipment.
Description
Technical field
The present invention relates to a kind of coating, thermal transfer paper and preparation method thereof.
Background technology
Still in high speed development and the good continuity impetus is presented in Chinese adhesive label market, but high quality is not
Dry glue thermal transfer paper is all based on import, and the subject matter of domestic paper is the different type of machines difference print speed of thermal transfer
Adaptation sex expression it is different, main reason is that the thermal transfer of high quality with art paper coating mainly using silica system as
It is main.
And domestic art paper manufacturer is because the limitation of the factors such as technology, equipment and cost fails to realize tool
The thermal transfer for having silica system paint formulation is produced with art paper.
The content of the invention
The present invention solves the technical problem of provide a kind of coating, thermal transfer paper and preparation method thereof, the present invention
Coating there is good absorbency and carbon dust adhesive rate so that can overcome conventional dioxy using the thermal transfer paper of the coating
SiClx formula system thermal transfer needs the limitation of special producing equipment with paper.
In order to solve the above technical problems, one aspect of the present invention is：A kind of coating is provided, wherein, 100 matter
The coating of amount part includes following mass component and compares material：40~60 mass parts precipitated calcium carbonates；20~40 mass parts weights
Matter calcium carbonate；10~30 mass parts china clay；Stearic amide and ethylene-vinyl acetate copolymer the mixing breast of 2~10 mass parts
Liquid.
Wherein, the precipitated calcium carbonate is the needle-like precipitated calcium carbonate that average grain diameter is 0.4~1.0 micron；The heavy
Calcium carbonate is the powdered whiting of 0.4~0.8 micron of average grain diameter；The china clay is the porcelain of 0.2~0.6 micron of average grain diameter
Soil.
Wherein, stearic amide and ethylene vinyl acetate in stearic amide and the ethylene-vinyl acetate copolymer mixed emulsion
The mass ratio of ethylene copolymer is 30~45：70~55.
Wherein, 5~12 mass parts styrene-butadiene latexes are also included in the coating of 100 mass parts.
Wherein, the coating also include resistance to hydrated agent, dispersant, defoamer at least one of.
Wherein, the coating is free of silica.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of thermal transfer paper, institute are provided
Stating thermal transfer paper includes sized paper and is coated on the coating on the sized paper surface, wherein, the coating is above-mentioned painting
Material.
Wherein, the surface roughness that the sized paper is is less than 5.0 microns.
Wherein, the surface roughness that the sized paper is is less than 4.0 microns.
In order to solve the above technical problems, another technical scheme provided by the invention is：A kind of thermal transfer paper is provided
Preparation method, the preparation method include：Coating is prepared, wherein, coating described in 100 mass parts includes following mass component ratio
Material：40~60 mass parts precipitated calcium carbonates；20~40 mass parts powdered whitings；10~30 mass parts china clay；2~10 mass
The stearic amide and ethylene-vinyl acetate copolymer mixed emulsion of part；Prepare sized paper；It is coated with and applies on the sized paper surface
Material.
Wherein, the amount of the sized paper surface coating coating is 10-20g/m2。
Wherein, methods described also includes：The sized paper for being coated with the coating enters in the nip of 120KN/m pressure above
Row press polish is handled.
Wherein, the precipitated calcium carbonate is the needle-like precipitated calcium carbonate that average grain diameter is 0.4~1.0 micron；The heavy
Calcium carbonate is the powdered whiting of 0.4~0.8 micron of average grain diameter；The china clay is the porcelain of 0.2~0.6 micron of average grain diameter
Soil.
Wherein, it is 30 in mass ratio by the stearic amide and ethylene-vinyl acetate copolymer when preparing the coating
~45：70~55 are first mixed, and are then put into again in the coating.
Wherein, 5~12 mass parts styrene-butadiene latexes are also included in the coating of 100 mass parts.
Wherein, when configuring the coating, also toward adding in the coating among resistance to hydrated agent, dispersant, defoamer
It is at least one.
The beneficial effects of the invention are as follows：The situation of prior art is different from, coating of the invention is light with certain mass part
Matter calcium carbonate, powdered whiting, china clay and stearic amide and ethylene-vinyl acetate copolymer mixed emulsion, which are used as, mainly matches somebody with somebody
Side, by such formula, can not only lift compatibility of the coating surface to carbon belt printing ink, while lift coating to carbon ribbon oil
Black absorption property, and existing silica system paint formulation can be overcome to need the limitation of special producing equipment.
Brief description of the drawings
Fig. 1 is the structural representation of thermal transfer paper of the present invention；
Fig. 2 is the flow chart of the preparation method embodiment of thermal transfer paper of the present invention.
Embodiment
The core concept of the present invention is for domestic art paper manufacturer because technology, equipment and cost etc. are many
The limitation of factor fails to realize the technical problem that the thermal transfer with silica system formula coating is produced with art paper, carries
For a kind of coating, and use the thermal transfer paper of the coating and preparation method thereof, the coating has good absorbency and carbon
Powder inhales adhesive rate, so that it is clear with paper thermal transfer bar code using the thermal transfer of the coating, it is adapted to high speed print speed area
Domain.
Technical scheme is described in detail below in conjunction with embodiment, but these are simply of the invention
Embodiment, not limiting protection scope of the present invention.
In a kind of embodiment of coating provided by the invention, the coating of 100 mass parts includes following mass component ratio
Material：40~60 mass parts precipitated calcium carbonates, 20~40 mass parts powdered whitings；It can also be wrapped in the coating of 100 mass parts
Include 10~30 mass parts china clay；The stearic amide and ethylene-vinyl acetate copolymer mixed emulsion of 2~10 mass parts.
Wherein, applied to guarantee to realize that ink is preferably sprawled and preferably adsorbed in the paper surface for scribbling coating
Expect surface, the preferred average grain diameter of precipitated calcium carbonate is 0.4~1.0 micron of needle-like precipitated calcium carbonate in embodiment of the present invention,
Such as any one precipitated calcium carbonate that particle diameter is 0.4,0.5,0.6,0.7,0.8,0.9 micron.Weight calcium carbonate is preferably average
Particle diameter is 0.4~0.8 micron of powdered whiting.Such as any one weight that particle diameter is 0.4,0.5,0.6,0.7,0.8 micron
Matter calcium carbonate.The preferred average grain diameter of china clay is 0.2~0.6 micron of china clay, for example particle diameter is 0.2,0.3,0.4,0.5,0.6 micro-
Any one china clay of rice.
Take 0.4~1.0 micron of needle-like precipitated calcium carbonate as paint structure framework of particle diameter, 0.4~0.8 micron of heavy carbon
Sour calcium and narrower 0.2~0.6 micron of the china clay of particle diameter distribution echelon can be superimposed to be formed under the conditions of relatively low calendering pressure
Preferably still the larger unique coating surface structure of local roughness, macroscopical smoothness can preferably cause one macroscopical smoothness
The situation of quantitative carbon belt printing ink transfer amount can be sprawled more uniform in paper surface, and the characteristics of local roughness is larger can
To promote the ink after shifting preferably to be attached to coating surface.
For stabilized paint structure, in a preferred embodiment, in the above-mentioned coating of 100 mass parts, may be used also
To further comprise 5~12 mass parts styrene-butadiene latexes.Paint structure is stablized by styrene-butadiene latex.
Wherein, in embodiment of the present invention, stearic acid in stearic amide and ethylene-vinyl acetate copolymer mixed emulsion
The mass ratio of acid amides and ethylene-vinyl acetate copolymer is 30~45：70~55.Such as 30:70、35:65、40:60、45:55 etc.
Deng.
Certainly, in the coating of embodiment of the present invention, by adding styrene-butadiene latex, stearic amide and ethylene-vinyl acetate
Copolymer mixed emulsion, on the basis of the structure of the stabilized coating of styrene-butadiene latex, the stearic acid acyl that is embedded in paint structure
The function of amine and ethylene-vinyl acetate copolymer mixed emulsion is compatibility and attachment of the point-like increase coating to carbon belt printing ink
Power.And first mixed two kinds of emulsions of stearic amide and ethylene-vinyl acetate copolymer, then in the form of mixed emulsion
It is added in coating, point-like increase compatibility and adhesive force after contributing to fine dispersion of the mixed emulsion in coating and drying
Uniformity coefficient.
As a kind of preferred embodiment, on the basis of the coating of any of the above embodiment, the coating is also
May further include resistance to hydrated agent, dispersant, defoamer at least one of.
It should be noted that the coating in any embodiment of the present invention, does not all contain silica composition.
It is presented below multiple as a kind of concrete example in order to which the component proportion of coating of the present invention is further described
The embodiment of the coating of different component, the component of the coating of several different embodiments refer to table 1 below：
Table 1：The component formula of several different embodiment coating
On the basis of each embodiment of coating provided above, the present invention further provides a kind of thermal transfer use
Paper, referring to Fig. 1, the thermal transfer paper of the present invention includes sized paper 01 and is coated on the coating 02 on the surface of sized paper 01, its
In, coating 02 is the coating that any of the above-described embodiment is provided.
The composition for the coating that thermal transfer is coated with paper surface and the proportion relation respectively formed can join in present embodiment
See detailed description of the above to coating embodiment, will not be repeated here.Coated weight of the coating on sized paper surface can be
10-20g/m2, more preferably coated weight is 12-18g/m2, the amount of being preferably coated with is 15g/m2。
The thermal transfer of present embodiment is preferably less than 5.0 microns with the sized paper surface roughness of paper, more preferably small
In 4.0 microns.
After the surface of sized paper 01 coating coating 02, can be had after 120KN/m pressure above nip supercalenderings
There is the thermal transfer paper that can be used for adhesive sticker printing of good planarization and uniform pore structure.
In actual application, coating 02 can be all coated with two relative surfaces of sized paper 01 as needed.
The present invention also provides a kind of preparation method of thermal transfer paper, referring to Fig. 2, Fig. 2 is thermal transfer paper of the present invention
Preparation method embodiment flow chart, the preparation method of thermal transfer paper of the present invention includes：
S101：Coating is prepared, wherein, 100 mass parts coating include following mass component and compare material：40~60 mass parts
Precipitated calcium carbonate, 20~40 mass parts powdered whitings；10~30 mass parts china clay；The stearic amide of 2~10 mass parts and
Ethylene-vinyl acetate copolymer mixed emulsion；
The coating of thermal transfer paper is formulated for first, wherein, the 100 mass parts coating includes following mass component ratio
Material：40~60 mass parts precipitated calcium carbonates, 20~40 mass parts powdered whitings；10~30 mass parts china clay；2~10 mass
The stearic amide and ethylene-vinyl acetate copolymer mixed emulsion of part.
Wherein, applied to guarantee to realize that ink is preferably sprawled and preferably adsorbed in the paper surface for scribbling coating
Expect surface, the preferred average grain diameter of precipitated calcium carbonate is 0.4~1.0 micron of needle-like precipitated calcium carbonate in embodiment of the present invention,
Such as any one precipitated calcium carbonate that particle diameter is 0.4,0.5,0.6,0.7,0.8,0.9 micron.Weight calcium carbonate is preferably average
Particle diameter is 0.4~0.8 micron of powdered whiting.Such as any one weight that particle diameter is 0.4,0.5,0.6,0.7,0.8 micron
Matter calcium carbonate.The preferred average grain diameter of china clay is 0.2~0.6 micron of china clay, for example particle diameter is 0.2,0.3,0.4,0.5,0.6 micro-
Any one china clay of rice.
Take 0.4~1.0 micron of needle-like precipitated calcium carbonate as paint structure framework of particle diameter, 0.4~0.8 micron of heavy carbon
Sour calcium and narrower 0.2~0.6 micron of the china clay of particle diameter distribution echelon can be superimposed to be formed under the conditions of relatively low calendering pressure
Preferably still the larger unique coating surface structure of local roughness, macroscopical smoothness can preferably cause one macroscopical smoothness
The situation of quantitative carbon belt printing ink transfer amount can be sprawled more uniform in paper surface, and the characteristics of local roughness is larger can be with
The ink after transfer is promoted preferably to be attached to coating surface.
For stabilized paint structure, in a preferred embodiment, in the above-mentioned coating of 100 mass parts, may be used also
To further comprise 5~12 mass parts styrene-butadiene latexes.Paint structure is stablized by styrene-butadiene latex.
Wherein, in embodiment of the present invention, stearic acid in stearic amide and ethylene-vinyl acetate copolymer mixed emulsion
The mass ratio of acid amides and ethylene-vinyl acetate copolymer is 30~45：70~55.Such as 30:70、35:65、40:60、45:55 etc.
Deng.
Certainly, in the coating of embodiment of the present invention, styrene-butadiene latex, stearic amide and ethylene vinyl acetate are added in coating
Ethylene copolymer mixed emulsion, on the basis of the structure of the stabilized coating of styrene-butadiene latex, the tristearin that is embedded in paint structure
The function of sour acid amides and ethylene-vinyl acetate copolymer mixed emulsion be point-like increase coating to the compatibility of carbon belt printing ink with
Adhesive force.And first mixed two kinds of emulsions of stearic amide and ethylene-vinyl acetate copolymer, then with mixed emulsion
Form is added in coating, point-like increase compatibility and attachment after contributing to fine dispersion of the mixed emulsion in coating and drying
The uniformity coefficient of power.
As a kind of preferred embodiment, on the basis of the coating of any of the above embodiment, the coating is also
May further include resistance to hydrated agent, dispersant, defoamer at least one of.Wherein, resistance to hydrated agent, dispersant, defoaming
The deal of agent addition can select suitable deal according to being actually needed.
It should be noted that the coating in any embodiment of the present invention, does not all contain silica composition.
S102：Prepare sized paper；
5.0 microns are preferably smaller than with the sized paper surface roughness of paper for thermal transfer, more preferably surface roughness is less than
4.0 micron.
Certainly, in actual application, step S101 and S102 does not distinguish sequencing strictly, it could even be possible to being
Synchronously carry out.
S103：Coating is coated with sized paper surface；
The coating of any of the above-described embodiment configuration is coated with sized paper surface.Wherein, painting of the coating on sized paper surface
The amount of covering can be 10-20g/m2, more preferably coated weight is 12-18g/m2, the amount of being preferably coated with is 15g/m2。
After sized paper surface coating coating, it can be obtained with good after 120KN/m pressure above nip supercalenderings
The thermal transfer paper that can be used for adhesive sticker printing of good planarization and uniform pore structure.
Wherein, in actual application, above-mentioned painting can be all coated with two relative surfaces of sized paper as needed
Material.
For the effect of thermal transfer paper definitely of the invention, several specific embodiment different ratio groups given below
The bar code printing test result of thermal transfer paper, refers to table 2 below made from the coating divided：
Table 2：Different thermal transfers paper bar code printing test result
The coating that is there is provided by the invention described above, the detailed description of the embodiment of thermal transfer paper and preparation method thereof,
It is appreciated that the coating of the present invention is with the precipitated calcium carbonate of certain mass part, powdered whiting, china clay, stearic amide and second
Alkene acetate ethylene copolymer mixed emulsion, as main formula, by such formula, coating surface can not only be lifted to carbon
Compatibility with ink, while coating is lifted to carbon belt printing ink absorption property, and existing silica can be overcome to embody and matched somebody with somebody
Square coating needs the limitation of special producing equipment.
In addition, on the basis of precipitated calcium carbonate, powdered whiting form the basic structure of coating, butylbenzene can also be added
Latex and for example resistance to hydrated agent of other additional functionality materials, dispersant, defoamer etc..
And the average particle size range of precipitated calcium carbonate, powdered whiting, china clay is additionally provided in embodiment of the present invention,
Take 0.4~1.0 micron of needle-like precipitated calcium carbonate as paint structure framework of particle diameter, 0.4~0.8 micron of powdered whiting and grain
Footpath, which is distributed 0.2~0.6 micron narrower of china clay, echelon to be superimposed to form macroscopic view smoothly under the conditions of relatively low calendering pressure
Preferably still the larger unique coating surface structure of local roughness, macroscopical smoothness can preferably cause in a certain amount of carbon degree
Situation with printing ink transfer amount can be sprawled more uniform in paper surface, and the characteristics of local roughness is larger can promote to shift
Ink afterwards can preferably be attached to coating surface.
And the addition of styrene-butadiene latex can be with the structure of stabilized coating, on the basis of the structure of the stabilized coating of styrene-butadiene latex
On, the stearic amide and ethylene-vinyl acetate copolymer mixed emulsion that are embedded in paint structure can preferably increase coating
To the affinity and adhesive force of carbon belt printing ink.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (16)
1. a kind of coating, it is characterised in that coating described in 100 mass parts includes following mass component and compares material：
40~60 mass parts precipitated calcium carbonates；
20~40 mass parts powdered whitings；
10~30 mass parts china clay；
The stearic amide and ethylene-vinyl acetate copolymer mixed emulsion of 2~10 mass parts.
2. coating according to claim 1, it is characterised in that the precipitated calcium carbonate is that average grain diameter is 0.4~1.0 micro-
The needle-like precipitated calcium carbonate of rice；The powdered whiting is the powdered whiting of 0.4~0.8 micron of average grain diameter；The china clay
For 0.2~0.6 micron of china clay of average grain diameter.
3. coating according to claim 1, it is characterised in that the stearic amide and ethylene-vinyl acetate copolymer mix
It is 30~45 to close the mass ratio of stearic amide and ethylene-vinyl acetate copolymer in emulsion：70~55.
4. coating according to claim 1, it is characterised in that also include 5~12 mass in the coating of 100 mass parts
Part styrene-butadiene latex.
5. according to the coating described in claim any one of 1-4, it is characterised in that the coating also includes resistance to hydrated agent, disperseed
Agent, defoamer at least one of.
6. according to the coating described in claim any one of 1-4, it is characterised in that the coating is free of silica.
7. a kind of thermal transfer paper, it is characterised in that the thermal transfer paper includes sized paper and is coated on the sized paper
The coating on surface, wherein, the coating is the coating described in claim any one of 1-6.
8. thermal transfer paper according to claim 7, it is characterised in that the surface roughness of the sized paper is less than 5.0
Micron.
9. thermal transfer paper according to claim 8, it is characterised in that the surface roughness of the sized paper is less than 4.0
Micron.
10. a kind of preparation method of thermal transfer paper, it is characterised in that the preparation method includes：
Coating is prepared, wherein, coating described in 100 mass parts includes following mass component and compares material：40~60 mass parts lightweights
Calcium carbonate；20~40 mass parts powdered whitings；10~30 mass parts china clay；The stearic amide and ethene of 2~10 mass parts
Acetate ethylene copolymer mixed emulsion；
Prepare sized paper；
Coating is coated with the sized paper surface.
11. preparation method according to claim 10, it is characterised in that the amount of sized paper surface coating coating is
10-20g/m2。
12. the preparation method according to claim 10 or 11, it is characterised in that methods described also includes：It is coated with institute
The sized paper for stating coating carries out press polish processing in the nip of 120KN/m pressure above.
13. preparation method according to claim 10, it is characterised in that the precipitated calcium carbonate is that average grain diameter is 0.4
~1.0 microns of needle-like precipitated calcium carbonate；The powdered whiting is the powdered whiting of 0.4~0.8 micron of average grain diameter；Institute
State the china clay that china clay is 0.2~0.6 micron of average grain diameter.
14. preparation method according to claim 10, it is characterised in that when preparing the coating, by the stearic acid acyl
Amine and ethylene-vinyl acetate copolymer are 30~45 in mass ratio：70~55 are first mixed, and then put into the coating again
In.
15. preparation method according to claim 10, it is characterised in that in the coating of 100 mass parts also include 5~
12 mass parts styrene-butadiene latexes.
16. preparation method according to claim 10, it is characterised in that when configuring the coating, also toward the coating
The resistance to hydrated agent of middle addition, dispersant, defoamer at least one of.
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| WO2018139183A1 (en) * | 2017-01-25 | 2018-08-02 | 三菱製紙株式会社 | Printing paper used in paper printing method |
| CN107287982A (en) * | 2017-06-30 | 2017-10-24 | 常州豫春化工有限公司 | A kind of preparation method of thermal transfer paint for papers |
| CN110656540A (en) * | 2019-09-27 | 2020-01-07 | 宜兴市佳普林新材料有限公司 | Coating on low-gram-number thermal sublimation transfer paper |
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| CN1497100A (en) * | 2002-10-22 | 2004-05-19 | 王子制纸株式会社 | Coated paper |
| CN1789553A (en) * | 2004-12-16 | 2006-06-21 | 陈家文 | High-gloss spray painted paper and its coating sizing-agent |
| CN1928225A (en) * | 2005-09-07 | 2007-03-14 | 王子制纸株式会社 | Coated paper |
| CN101277820B (en) * | 2005-09-30 | 2011-03-30 | 精工爱普生株式会社 | Ink-jet recording medium |
| JP4713303B2 (en) * | 2005-11-07 | 2011-06-29 | 王子製紙株式会社 | Recording sheet |
| CN1789552A (en) * | 2005-12-12 | 2006-06-21 | 金东纸业(江苏)有限公司 | High-whiteness coated paper and its production method |
| US8623785B2 (en) * | 2010-03-30 | 2014-01-07 | Mitsubishi Paper Mills Limited | Thermal recording material and method for producing the same |
| CN102828439B (en) * | 2011-06-13 | 2015-02-18 | 金东纸业（江苏）股份有限公司 | Transfer printing paper and production method thereof |
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