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CN113427937A - Transfer printing paper and preparation method thereof - Google Patents

Transfer printing paper and preparation method thereof Download PDF

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Publication number
CN113427937A
CN113427937A CN202110796424.3A CN202110796424A CN113427937A CN 113427937 A CN113427937 A CN 113427937A CN 202110796424 A CN202110796424 A CN 202110796424A CN 113427937 A CN113427937 A CN 113427937A
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CN
China
Prior art keywords
stearate
transfer printing
printing paper
layer
parts
Prior art date
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Granted
Application number
CN202110796424.3A
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Chinese (zh)
Other versions
CN113427937B (en
Inventor
丁海华
徐根富
池勇雪
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Hangzhou Lin'an Pailian Paper Co ltd
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Hangzhou Lin'an Pailian Paper Co ltd
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Priority to CN202110796424.3A priority Critical patent/CN113427937B/en
Publication of CN113427937A publication Critical patent/CN113427937A/en
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Publication of CN113427937B publication Critical patent/CN113427937B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
    • B44C1/172—Decalcomanias provided with a layer being specially adapted to facilitate their release from a temporary carrier
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • 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
    • 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
    • D21H19/52—Cellulose; 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
    • D21H19/64—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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Paper (AREA)

Abstract

The application relates to the technical field of transfer printing, in particular to transfer printing paper and a preparation method thereof. The application discloses transfer printing paper, including base paper and the rendition layer of coating setting on base paper, the rendition layer is including isolation layer and printing layer, printing layer mainly is made by water and the printing layer raw materials of following parts by weight: 10-20 parts of guar gum, 3-5 parts of stearate, 3-5 parts of light calcium, 8-15 parts of starch and 1-3 parts of dispersing agent; the stearate comprises a stearate A and a stearate B in a mass ratio of 1-3:1-2, wherein the stearate A is at least one of calcium stearate and magnesium stearate, and the stearate B is zinc stearate. The transfer printing paper has the advantages of high ink transfer rate and high surface quality, and improves the transfer printing effect.

Description

Transfer printing paper and preparation method thereof
Technical Field
The application relates to the technical field of transfer printing, in particular to transfer printing paper and a preparation method thereof.
Background
Transfer printing is a printing method in which a dye (ink) is set on a base material such as paper, and then a pattern is transferred to the surface of a fabric, an art work or the like by means of heat pressing or the like. When the transfer printing is carried out, transfer printing paper is needed, the transfer printing paper can bear the patterns, and the patterns can be conveniently transferred through heat treatment and other means. The transfer printing paper is an intermediate medium for pattern transfer printing, plays a crucial role in the transfer printing effect, the higher the transfer rate of the dye (ink), the better the effect after transfer printing, and the composition and processing quality of the transfer printing paper can influence the surface affinity of the transfer printing paper, thereby influencing the transfer rate of the dye (ink) during transfer printing.
The Chinese patent application with application publication number CN102816522A discloses a base paper treatment coating of ink-jet printing transfer printing paper, which comprises an isolation layer and an ink bearing layer, wherein the coating weight of the isolation layer reaches 6-15g/m2The coating weight of the ink-bearing layer reaches 5 to 18g/m2Consists of xanthan gum, modified starch and carboxymethyl cellulose; firstly coating an isolation layer on base paper of the ink-jet printing transfer printing paper, and then coating an ink bearing layer to form a two-layer integrated treatment coating; the ink bearing layer comprises the following components in percentage by mass: 0.3 to 0.4 percent of xanthan gum, 3 to 5 percent of modified starch and 9 to 10 percent of carboxymethyl cellulose, and 100 percent of water is used to form a solution, and the modified xanthan gum is prepared by adopting a reticulate pattern roller coating or a scraper blade coating mode.
In view of the above-mentioned related art, the inventors have considered that, when an ink-receiving layer of the above-mentioned coating layer is formed, a large amount of an adhesive material is added, and that the ink transfer rate at the time of transfer tends to be low.
Disclosure of Invention
In order to improve the transfer rate of the transfer printing ink, the application provides transfer printing paper and a preparation method thereof.
In a first aspect, the transfer printing paper provided by the application adopts the following technical scheme:
the transfer printing paper comprises base paper and a transfer printing layer coated on the base paper, wherein the transfer printing layer comprises an isolation layer and a printing layer, and the printing layer is mainly prepared from water and the following raw materials in parts by weight: 10-20 parts of guar gum, 3-5 parts of stearate, 3-5 parts of light calcium, 8-15 parts of starch and 1-3 parts of dispersing agent; the stearate comprises a stearate A and a stearate B in a mass ratio of 1-3:1-2, wherein the stearate A is at least one of calcium stearate and magnesium stearate, and the stearate B is zinc stearate.
By adopting the technical scheme, multiple hard acid salts are added into the preparation raw materials of the printing layer, and zinc stearate is combined with other hard acid salts, so that the overall stability of combination of the hard acid salts and printing ink or dye is improved, the diffusion cross color of the printing ink is reduced, and the transfer rate of the printing ink during transfer is improved. The stearate takes metal ions as an inorganic core, two linear hydrocarbon chains are combined on the surface of the core, the radius of zinc ions is small, the steric effect caused by the two hydrocarbon chains is large, and other ions are not easy to contact with the zinc ions, so that the influence of other substances on the zinc ions is small. The central metal ions in calcium stearate and magnesium stearate have large radius, are easy to contact with other ions and are further influenced, particularly in an acidic environment, calcium chloride and the like are easily generated due to hydrolysis, and the high water absorption of the calcium chloride influences the stability of a printing layer and ink due to moisture. However, the calcium stearate and the magnesium stearate have better compatibility with other components and can be well combined with inorganic components and organic components, so that the zinc stearate and the stearate A are compounded, the good compatibility of the stearate with other components is ensured while the stability of the stearate on a printing layer and ink is improved, and the transfer rate of the ink is further improved on the whole.
Preferably, the stearate comprises calcium stearate, magnesium stearate and zinc stearate in a mass ratio of 1-2:1: 2.
By adopting the technical scheme, the stearate is compounded by three stearates so as to fully exert the advantages of the three stearates, the sum of the quality of the calcium stearate and the magnesium stearate is approximately equal to the quality of the zinc stearate, the promotion effect of the zinc stearate on the stability of a printing layer and printing ink is ensured, the higher transfer rate of the printing ink is further ensured, the compatibility of the stearate and other components is also ensured, and the performance of the printing layer on the prepared transfer printing paper is more uniform and stable.
Preferably, the dispersant is hydroxyethyl cellulose.
By adopting the technical scheme, the compatibility of stearate can be further improved; because the stearate is added into the printing layer and the water solubility of the stearate is weaker, the dispersant is the hydroxyethyl cellulose, and has better binding capacity with water and the stearate, so that the dispersion uniformity of the stearate in the coating of the printing layer can be improved, the uniformity of the printing layer is further improved, and the ink residue caused by uneven thickness and surface defects of the printing layer during transfer printing is reduced.
Preferably, the printing layer raw material also comprises 2-3 parts of a stabilizer, wherein the stabilizer is mainly prepared from sodium borate, sodium dihydrogen phosphate, aluminum nitride, a surfactant and sodium alginate in a mass ratio of 80-100:100-120:50-65:10-20: 80-120.
By adopting the technical scheme, the stabilizing agent is added into the raw materials of the printing layer, the raw materials of the stabilizing agent comprise sodium borate and sodium dihydrogen phosphate, the stabilizing agent can convert and change phase when the printing layer is subjected to transfer printing or the environmental temperature of the printing layer changes, heat is stored when the environmental temperature rises, heat is released when the temperature is reduced, the temperature stability of the printing layer is further ensured, the influence of severe temperature change on the printing layer is reduced, and the ink transfer rate is further improved. The addition of the aluminum nitride can improve the heat transfer between the sodium borate and the sodium dihydrogen phosphate and other components, and ensure the temperature control effect of the sodium borate and the sodium dihydrogen phosphate. The sodium alginate and the surfactant can improve the dispersion uniformity of the sodium borate and the sodium dihydrogen phosphate, and further ensure the uniformity of heat storage and heat release of the sodium borate and the sodium dihydrogen phosphate.
Preferably, the surfactant is polyoxyethylene sorbitan monostearate.
By adopting the technical scheme, the polyoxyethylene sorbitan monostearate can be matched with sodium alginate in a water-containing system to form gel, so that the sodium borate and the sodium dihydrogen phosphate can be conveniently dispersed, the positions of particles of the sodium borate and the sodium dihydrogen phosphate are relatively fixed, and the stabilizer can be conveniently prepared into particles with very small particle size to be dispersed in the printing layer coating.
Preferably, the isolation layer is mainly made of water and sodium carboxymethyl cellulose, nano silicon dioxide and acrylic ester with the mass ratio of 15-20:3-6: 5-10.
Through adopting above-mentioned technical scheme, except adding sodium carboxymethylcellulose and acrylic ester in the preparation raw materials of isolation layer, nanometer silicon dioxide has still been added, not only makes printing ink be convenient for peel off, can also strengthen the ageing resistance of isolation layer, improves the stability of transfer printing paper.
In a second aspect, the preparation method of the transfer printing paper provided by the application adopts the following technical scheme:
the preparation method of the transfer printing paper comprises the following steps:
1) uniformly mixing guar gum, stearate, light calcium, starch, a dispersing agent and water to prepare a printing layer coating;
2) coating an isolating layer coating on one surface of the base paper, then coating the printing layer coating prepared in the step 1), and drying to obtain the printing ink.
By adopting the technical scheme, guar gum, stearate, light calcium carbonate, starch, a dispersing agent and water are uniformly mixed to prepare the coating with proper viscosity, then the surface of the base paper is coated with the isolating layer coating to form the isolating layer, and then the surface of the isolating layer is coated with the printing layer coating to form the printing layer, so that the corresponding transfer printing paper is prepared.
Preferably, the dispersant in step 1) is prepared by a method comprising the following steps:
s1, uniformly mixing sodium borate, sodium dihydrogen phosphate and aluminum nitride to obtain a premix;
mixing sodium alginate, surfactant and water uniformly to obtain glue solution;
s2, uniformly mixing the premix prepared in the step S1 with the glue solution, freeze-drying and crushing.
By adopting the technical scheme, the sodium borate, the sodium dihydrogen phosphate and the aluminum nitride are mixed to obtain the premix, the sodium alginate, the surfactant and the water are mixed to prepare the glue solution, the glue solution is the gel glue solution, and then the premix and the glue solution are mixed, so that the components in the premix are uniformly distributed in the glue solution as much as possible and are not easy to settle, and the agglomeration of the fine sodium borate, the sodium dihydrogen phosphate, the aluminum nitride and the like in the glue solution is reduced.
Preferably, the step S1 of uniformly mixing the sodium alginate, the surfactant and the water is to mix the sodium alginate and the water and stir them for 5-8h, then add the surfactant and mix them uniformly.
By adopting the technical scheme, the sodium alginate is mixed and stirred with the water to form a gel system, and then the surfactant is added, so that the influence of the direct combination of the surfactant and the sodium alginate on the crosslinking degree of the gel is avoided.
Preferably, the step of uniformly mixing the premix and the glue solution in the step S2 is to stir the premix and the glue solution at 50-60 ℃ for 2-3 h.
By adopting the technical scheme, the premix and the glue solution are stirred at a certain temperature, so that the viscosity of a gel system can be reduced, solid particles can be uniformly dispersed in the glue solution conveniently, and the solid particles can be fixed in the gel system after later-stage cooling is facilitated.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the transfer printing paper is compounded by adding multiple stearates in the preparation raw materials, and by utilizing different advantages of zinc stearate and other stearates, the diffusion color crosstalk of the printing ink is reduced, the transfer rate of the printing ink is improved, and the printing ink residue during transfer printing is reduced.
2. The utility model provides a stabilizer has still been added in the preparation raw materials of transfer printing paper, and the preparation raw materials of stabilizer has included sodium borate, sodium dihydrogen phosphate and aluminium nitride, and sodium borate, sodium dihydrogen phosphate can take place the phase transition when ambient temperature changes, and then maintain the temperature of printing layer stable as far as, have reduced the influence that temperature variation caused to printing layer. The aluminum nitride can improve the heat transfer efficiency, so that the effects of sodium borate and sodium dihydrogen phosphate are more fully exerted, and the thermal stability of the printing layer is further improved. Sodium alginate is also added into the stabilizer, a gel system can be formed during the preparation of the stabilizer, and the dispersion uniformity of sodium borate, sodium dihydrogen phosphate and aluminum nitride in the stabilizer is improved.
3. According to the preparation method of the transfer printing paper, the printing layer raw materials are firstly mixed to prepare the printing layer coating, then the surface of the base paper is coated to form the isolation layer, and then the printing layer coating is coated on the surface of the isolation layer to form the printing layer. Furthermore, sodium alginate and a surfactant in the stabilizer are mixed with water to prepare gel, and then the gel is mixed with other raw materials, so that the dispersion uniformity of the raw materials in the stabilizer can be greatly improved, and the dispersion uniformity of the raw materials in the printing layer coating is further improved.
Detailed Description
The present application will be described in further detail with reference to examples.
The transfer printing paper comprises base paper, wherein the base paper is base paper, and the base paper is single-side coated wood pulp base paper or recovered base paper obtained by recovering newspaper after deinking. The gram weight (surface density) of the base paper is 60-120g/m2。
In the printing layer raw material of the present application, the stearate preferably consists of stearate a and stearate B in a mass ratio of 1:1, and more preferably, the stearate consists of calcium stearate, magnesium stearate, and zinc stearate in a mass ratio of 1:1: 2.
In the raw materials of the printing layer, the starch is cassava starch; sodium borate is sodium tetraborate. The particle size of the light calcium carbonate is 3 μm.
Preferably, the mass ratio of the water to the guar gum is 80-120:10-20 when the printing layer is prepared. When the isolation layer is prepared, the mass ratio of water to sodium carboxymethyl cellulose is 55-80: 15-20.
Preferably, the particle size of the nano-silica is 15 to 80 nm.
Preferably, the acrylate is methyl-2-fluoroacrylate or trifluoroethyl methacrylate, the ink transfer rate with trifluoroethyl methacrylate is slightly lower than that with methyl-2-fluoroacrylate, and preferably, the acrylate is methyl-2-fluoroacrylate.
Preferably, the mass ratio of the water to the sodium alginate is 2000-5000:80-120 during the preparation of the stabilizer. Stirring the premix and the glue solution at 50-60 deg.C for 2-3 hr, freeze drying, pulverizing, grinding, and sieving. The sieving is 800-2000 mesh sieving.
In the preparation method of the transfer printing paper, before the starch is used, the starch is cured for 2-3 hours at 70-80 ℃.
When coating (coating), the coating weight of the isolating layer coating is 6-9g/m2. The coating weight of the printing layer coating is 9-12g/m2。
Preparation example 1
The stabilizer in the preparation example is prepared from the following raw materials in parts by weight: 80g of sodium borate, 100g of sodium dihydrogen phosphate, 50g of aluminum nitride, 10g of polyoxyethylene sorbitan monostearate, 80g of sodium alginate and 2000mL of water.
The preparation method of the stabilizer in the preparation example comprises the following steps:
s1, adding 80g of sodium borate and 100g of sodium dihydrogen phosphate into a stirrer, uniformly stirring, adding 50g of aluminum nitride, and uniformly stirring to obtain a premix;
adding 80g of sodium alginate into 2000mL of water, stirring at a constant speed for 5h, then adding 10g of polyoxyethylene sorbitan monostearate, and continuously stirring uniformly to obtain a glue solution;
s2, adding the premix prepared in the step S1 into the prepared glue solution, stirring for 2 hours at 55 ℃, then freeze-drying, crushing, grinding and sieving with a 800-mesh sieve to obtain the product.
Preparation example 2
The stabilizer in the preparation example is prepared from the following raw materials in parts by weight: 100g of sodium borate, 120g of sodium dihydrogen phosphate, 65g of aluminum nitride, 20g of polyoxyethylene sorbitan monostearate, 120g of sodium alginate and 5000mL of water.
The stabilizer in this preparation example was prepared according to the preparation method in preparation example 1.
Preparation example 3
The stabilizer in the preparation example is prepared from the following raw materials in parts by weight: 96g of sodium borate, 115g of sodium dihydrogen phosphate, 56g of aluminum nitride, 13g of polyoxyethylene sorbitan monostearate, 108g of sodium alginate and 4500mL of water.
The stabilizer in this preparation example was prepared according to the preparation method in preparation example 1.
Preparation example 4
The stabilizer in the preparation example is prepared from the following raw materials in parts by weight: 96g of sodium borate, 115g of sodium dihydrogen phosphate, 56g of aluminum nitride, 13g of polyoxyethylene sorbitan monostearate, 108g of sodium alginate and 4500mL of water.
The preparation method of the stabilizer in the preparation example comprises the following steps:
s1, adding 96g of sodium borate and 115g of sodium dihydrogen phosphate into a stirrer, uniformly stirring, adding 56g of aluminum nitride, and uniformly stirring to obtain a premix;
adding 108g of sodium alginate into 4500mL of water, stirring at a constant speed for 8h, then adding 13g of polyoxyethylene sorbitan monostearate, and continuously stirring uniformly to obtain a glue solution;
s2, adding the premix prepared in the step S1 into the prepared glue solution, stirring for 3 hours at the temperature of 60 ℃, then freeze-drying, crushing, grinding and sieving with a 1250-mesh sieve to obtain the adhesive.
Preparation example 5
The stabilizer in the preparation example is prepared from the following raw materials in parts by weight: 96g of sodium borate, 115g of sodium dihydrogen phosphate, 56g of aluminum nitride, 13g of polyoxyethylene sorbitan monostearate, 108g of sodium alginate and 4500mL of water.
The preparation method of the stabilizer in the preparation example comprises the following steps:
s1, adding 96g of sodium borate and 115g of sodium dihydrogen phosphate into a stirrer, uniformly stirring, adding 56g of aluminum nitride, and uniformly stirring to obtain a premix;
adding 108g of sodium alginate into 4500mL of water, stirring at a constant speed for 6h, then adding 13g of polyoxyethylene sorbitan monostearate, and continuously stirring uniformly to obtain a glue solution;
s2, adding the premix prepared in the step S1 into the prepared glue solution, stirring for 2.5 hours at 55 ℃, then freeze-drying, crushing, grinding and sieving with a 2000-mesh sieve to obtain the product.
Example 1
The true bookThe transfer printing paper of the embodiment comprises base paper which is single-side coated wood pulp base paper and has the gram weight of 60g/m2. The surface coating of base paper is provided with the rendition layer, and the rendition layer is including coating the isolation layer that sets up in a surface of base paper, and the isolation layer is kept away from the surface coating of base paper and is provided with the printing layer. The isolating layer is prepared from the following isolating layer raw materials in parts by weight: 15kg of sodium carboxymethylcellulose, 3kg of nano silicon dioxide, 10kg of 2-methyl fluoroacrylate and 55kg of water. The printing layer is prepared from the following raw materials by weight: 10kg of guar gum, 3kg of stearate, 3kg of light calcium, 8kg of cassava starch, 1kg of hydroxyethyl cellulose and 80kg of water. The stearate was composed of 1kg of calcium stearate, 2kg of zinc stearate.
The preparation method of the transfer printing paper of the embodiment comprises the following steps:
1) adding sodium carboxymethylcellulose into water (55 kg in the embodiment) for the isolation layer, stirring and mixing uniformly, then adding nano silicon dioxide, stirring and mixing uniformly, then adding 2-methyl fluoroacrylate, stirring and mixing uniformly to obtain an isolation layer coating;
2) dry-mixing and stirring calcium stearate, zinc stearate, light calcium and guar gum uniformly to obtain mixed powder;
adding hydroxyethyl cellulose into 10kg of water (used for a printing layer), stirring and mixing uniformly, then adding the mixed powder, and stirring and mixing uniformly to obtain a premixed solution;
adding cassava starch into 80kg of water (used for a printing layer), heating to 70 ℃, curing for 3h to obtain a pretreatment solution, adding the premixed solution into the pretreatment solution, and uniformly stirring and mixing to obtain a printing layer coating;
3) coating the isolating layer coating on one surface of the base paper by using an anilox roller, wherein the coating weight of the isolating layer coating is 6g/m2(ii) a Then, an anilox roller is adopted to roll coat a printing layer coating on the surface coated with the isolating layer coating, and the coating weight of the printing layer coating is 9g/m2(ii) a Then drying at 50 deg.C for 3min, and calendering under 0.8MPa to obtain the final product.
Example 2
The transfer printing paper of the present example is different from the transfer printing paper of example 1 in that the isolation layer is made of the following isolation layer raw materials by weight: 20kg of sodium carboxymethylcellulose, 6kg of nano silicon dioxide, 5kg of 2-methyl fluoroacrylate and 80kg of water. The printing layer is prepared from the following raw materials by weight: 20kg of guar gum, 3kg of stearate, 5kg of light calcium, 15kg of cassava starch, 3kg of hydroxyethyl cellulose and 120kg of water. The stearate was composed of 1kg of calcium stearate, 2kg of zinc stearate. The rest is the same as in example 1.
The difference between the preparation method of the transfer printing paper of the embodiment and the preparation method of the embodiment 1 is that, in the step 2), calcium stearate, zinc stearate, light calcium carbonate and guar gum are dry-mixed, stirred and uniformly mixed to obtain mixed powder; adding hydroxyethyl cellulose into 20kg of water, stirring and mixing uniformly, then adding the mixed powder, and stirring and mixing uniformly to obtain a premixed solution; adding cassava starch into 100kg of water, heating to 70 ℃, curing for 3h to obtain a pretreatment solution, adding the premixed solution into the pretreatment solution, and uniformly stirring and mixing to obtain a printing layer coating; the others are the same as in example 1.
Example 3
The transfer printing paper of the present example is different from the transfer printing paper of example 1 in that the isolation layer is made of the following isolation layer raw materials by weight: 18kg of sodium carboxymethylcellulose, 4kg of nano silicon dioxide, 9kg of methyl 2-fluoroacrylate and 75kg of water. The printing layer is prepared from the following raw materials by weight: 15kg of guar gum, 3kg of stearate, 4kg of light calcium, 12kg of cassava starch, 2.5kg of hydroxyethyl cellulose and 110kg of water. The stearate was composed of 1kg of calcium stearate, 2kg of zinc stearate. The rest is the same as in example 1.
The difference between the preparation method of the transfer printing paper of the embodiment and the preparation method of the embodiment 1 is that, in the step 2), calcium stearate, zinc stearate, light calcium carbonate and guar gum are dry-mixed, stirred and uniformly mixed to obtain mixed powder; adding hydroxyethyl cellulose into 15kg of water, stirring and mixing uniformly, then adding the mixed powder, and stirring and mixing uniformly to obtain a premixed solution; adding cassava starch into 95kg of water, heating to 70 ℃, curing for 3h to obtain a pretreatment solution, adding the premixed solution into the pretreatment solution, and uniformly stirring and mixing to obtain a printing layer coating; the others are the same as in example 1.
Example 4
The difference between the embodiment and the embodiment 3 is that in the step 2) of the preparation method of the transfer printing paper, the cassava starch is added into water and heated to 75 ℃ for curing for 2 hours to obtain a pretreatment solution; in the step 3), the isolating layer coating is coated on one surface of the base paper by adopting an anilox roller, and the coating weight of the isolating layer coating is 7g/m2(ii) a Then, an anilox roller is adopted to roll coat a printing layer coating on the surface coated with the isolating layer coating, and the coating weight of the printing layer coating is 10g/m2(ii) a Then drying at 50 deg.C for 3min, and calendering under 0.8MPa to obtain the final product.
The others are the same as in example 3.
Example 5
This example differs from example 4 in that the weight of stearate in the printing layer raw material was 4kg, the stearate was composed of 2kg of calcium stearate and 1kg of zinc stearate, and the rest was the same as in example 4.
Example 6
This example differs from example 4 in that the weight of stearate in the printing layer raw material was 4kg, the stearate was composed of 2kg of calcium stearate and 2kg of zinc stearate, and the rest was the same as in example 4.
Example 7
This example differs from example 4 in that the weight of stearate in the printing layer raw material was 5kg, the stearate was composed of 2kg of calcium stearate, 1kg of magnesium stearate, and 2kg of zinc stearate, and the rest was the same as in example 4.
Example 8
This example differs from example 4 in that the weight of stearate in the printing layer material was 4kg, the stearate was composed of 1kg of calcium stearate, 1kg of magnesium stearate, and 2kg of zinc stearate, and the rest was the same as in example 4.
Example 9
The difference between the present example and example 8 is that the printing layer is made of the following raw materials by weight: 15kg of guar gum, 5kg of stearate, 4kg of light calcium, 12kg of cassava starch, 2.5kg of hydroxyethyl cellulose, 2kg of stabilizer and 110kg of water. The stearate is composed of 2kg of calcium stearate, 1kg of magnesium stearate and 2kg of zinc stearate. The stabilizer was the one described in preparation example 1 above. The rest is the same as in example 8.
Example 10
This example differs from example 9 in that the stabilizer was the one described above in preparation example 2. The rest is the same as in example 9.
Example 11
This example differs from example 9 in that the stabilizer was the one described above in preparation example 3. The rest is the same as in example 9.
Example 12
This example differs from example 9 in that the stabilizer was the one in preparation example 4 described above. The rest is the same as in example 9.
Example 13
This example differs from example 9 in that the stabilizer was the one described above in preparation example 5. The rest is the same as in example 9.
Comparative example 1
The transfer printing paper of this comparative example is different from example 4 in that the stearate in the raw material of the printing layer was 3kg of calcium stearate. The others are the same as in example 4.
The transfer printed paper of this comparative example was prepared according to example 4.
Comparative example 2
The transfer printing paper of this comparative example is different from example 4 in that the stearate in the raw material of the printing layer was 3kg of zinc stearate. The others are the same as in example 4.
The transfer printed paper of this comparative example was prepared according to example 4.
Performance test
(1) The transfer printing papers obtained in examples 1 to 13 and comparative examples 1 to 2 were printed with a disperse dye (ink) on the transfer printing paper using an ink jet printer, and then transferred on a thermal transfer machine. After transfer printing, an organic solvent is adopted to dissolve the residual disperse dye on the transfer printing paper, the absorbance is tested by an ultraviolet spectrophotometry, and the ink transfer rate is calculated according to the following formula.
Ink transfer Rate ═ 1-ALeave behind/AIs divided into)*100％
Wherein A isLeave behindAbsorbance of residual ink on transfer printing paper, AIs divided intoThe absorbance of the ink (disperse dye) used for printing by an ink jet printer was measured under the same concentration conditions.
(2) The surface roughness of the transfer printed papers obtained in examples 1 to 13 and comparative examples 1 to 2 was measured according to the method described in GB/T2679.9-1993 paper and paperboard coarseness test (print surface method), and the test results are shown in the following Table.
TABLE 1 comparison of the Properties of the transfer-printed papers of examples 1-13 and comparative examples 1-2
Figure BDA0003162938610000091
According to the example 1 and the comparative example 1, and the combination of the above table, the transfer printing paper of the application improves the ink transfer rate and reduces the ink residue during transfer, which may be related to the application of the two stearates.
According to the embodiment 1, the comparative example 1 and the comparative example 2, and by combining the above table, the calcium stearate and the zinc stearate are simultaneously added into the raw materials for preparing the transfer printing paper, the ink transfer rate is not greatly different from that of the transfer printing paper with the same amount of zinc stearate, but the cost of stearate can be reduced by compounding the calcium stearate and the zinc stearate, and the transfer printing paper has good economic benefit.
The transfer printing paper of this application when guaranteeing the intensity of paper, has improved the printing ink transfer rate when the rendition, has reduced the printing ink residue when shifting, has saved the cost of rendition, and the transfer printing paper of this application still has good surface quality moreover, and the roughness of the pattern that forms after the rendition is also higher, and the effect is more exquisite.

Claims (10)

1. The transfer printing paper comprises base paper and a transfer printing layer coated on the base paper, wherein the transfer printing layer comprises an isolation layer and a printing layer, and is characterized in that the printing layer is mainly prepared from water and the following raw materials in parts by weight: 10-20 parts of guar gum, 3-5 parts of stearate, 3-5 parts of light calcium, 8-15 parts of starch and 1-3 parts of dispersing agent; the stearate comprises a stearate A and a stearate B in a mass ratio of 1-3:1-2, wherein the stearate A is at least one of calcium stearate and magnesium stearate, and the stearate B is zinc stearate.
2. The transfer printing paper according to claim 1, wherein the stearate is composed of calcium stearate, magnesium stearate and zinc stearate in a mass ratio of 1-2:1: 2.
3. The transfer printing paper according to claim 1, wherein the dispersant is hydroxyethyl cellulose.
4. The transfer printing paper as claimed in any one of claims 1-3, wherein the printing layer raw material further comprises 2-3 parts of a stabilizer, and the stabilizer is mainly prepared from sodium borate, sodium dihydrogen phosphate, aluminum nitride, a surfactant and sodium alginate in a mass ratio of 80-100:100-120:50-65:10-20: 80-120.
5. The transfer printing paper according to claim 4, wherein the surfactant is polyoxyethylene sorbitan monostearate.
6. The transfer printing paper according to claim 4, wherein the isolation layer is mainly made of water and sodium carboxymethyl cellulose, nano silicon dioxide and acrylate in a mass ratio of 15-20:3-6: 5-10.
7. A method for preparing the transfer printing paper as claimed in claim 1, which comprises the following steps:
1) uniformly mixing guar gum, stearate, light calcium, starch, a dispersing agent and water to prepare a printing layer coating;
2) coating an isolating layer coating on one surface of the base paper, then coating the printing layer coating prepared in the step 1), and drying to obtain the printing ink.
8. The method for preparing transfer printing paper according to claim 7, wherein a stabilizer is further added when the step 1) is uniformly mixed, and the stabilizer is prepared by a method comprising the following steps:
s1, uniformly mixing sodium borate, sodium dihydrogen phosphate and aluminum nitride to obtain a premix;
mixing sodium alginate, surfactant and water uniformly to obtain glue solution;
s2, uniformly mixing the premix prepared in the step S1 with the glue solution, freeze-drying and crushing.
9. The method for preparing transfer printing paper according to claim 8, wherein the step of mixing sodium alginate, surfactant and water uniformly in step S1 is to stir sodium alginate and water for 5-8h, then add surfactant and mix uniformly.
10. The method for preparing transfer printing paper according to claim 8, wherein the step of uniformly mixing the premix and the glue solution in the step S2 is to stir the premix and the glue solution at 50-60 ℃ for 2-3 h.
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CN111254738A (en) * 2020-02-25 2020-06-09 上海翔图纸品有限公司 Antifouling printing method for paper printed matter
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GB393132A (en) * 1932-08-26 1933-06-01 Alfred Bruno Poschel Improvements in or relating to the reproduction of patterns or the like by transfer
JPH06270596A (en) * 1993-03-18 1994-09-27 Kanebo Ltd Transfer sheet and dyeing method using the same
CN102816522A (en) * 2012-07-26 2012-12-12 长胜纺织科技发展(上海)有限公司 Base paper treatment coating of sublistatic print paper for inkjet printing
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