CN114013199A - High-ink-absorption high-transfer-rate thermal sublimation transfer paper and preparation process thereof - Google Patents
High-ink-absorption high-transfer-rate thermal sublimation transfer paper and preparation process thereof Download PDFInfo
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- CN114013199A CN114013199A CN202111156127.9A CN202111156127A CN114013199A CN 114013199 A CN114013199 A CN 114013199A CN 202111156127 A CN202111156127 A CN 202111156127A CN 114013199 A CN114013199 A CN 114013199A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 91
- 238000000859 sublimation Methods 0.000 title claims abstract description 33
- 230000008022 sublimation Effects 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 112
- 239000011248 coating agent Substances 0.000 claims abstract description 107
- 239000000839 emulsion Substances 0.000 claims abstract description 83
- 239000004014 plasticizer Substances 0.000 claims abstract description 49
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 39
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010023 transfer printing Methods 0.000 claims abstract description 26
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 23
- -1 polyoxyethylene Polymers 0.000 claims abstract description 21
- 229920002472 Starch Polymers 0.000 claims abstract description 18
- 235000019698 starch Nutrition 0.000 claims abstract description 18
- 239000008107 starch Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims description 38
- 229920001661 Chitosan Polymers 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 27
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 23
- 239000002994 raw material Substances 0.000 claims description 22
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 21
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 20
- 239000006185 dispersion Substances 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229920000297 Rayon Polymers 0.000 claims description 16
- 229910021389 graphene Inorganic materials 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 15
- 239000003822 epoxy resin Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 229920013716 polyethylene resin Polymers 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 6
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 5
- 238000003490 calendering Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 4
- IBLKWZIFZMJLFL-UHFFFAOYSA-N 1-phenoxypropan-2-ol Chemical compound CC(O)COC1=CC=CC=C1 IBLKWZIFZMJLFL-UHFFFAOYSA-N 0.000 claims description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 3
- LQZZUXJYWNFBMV-UHFFFAOYSA-N ethyl butylhexanol Natural products CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 3
- 229940054190 hydroxypropyl chitosan Drugs 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005092 sublimation method Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/30—Thermal donors, e.g. thermal ribbons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
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Abstract
The invention relates to thermal sublimation transfer paper with high ink absorption and high transfer rate and a preparation process thereof, wherein the thermal sublimation transfer paper comprises a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer; the impermeable layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the impermeable layer after the impermeable layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified; the ink absorbing coating prepared by adopting the porous material as the main body can be completely attached to the transfer printing paper when ink falls on the transfer printing paper, so that the transfer effect is improved, the ink layer is thick and full, the glossiness is high, the product quality is good, meanwhile, the water absorbing coating is prepared by using the starch, the polyoxyethylene emulsion, the plasticizer and the sodium polyacrylate emulsion, so that water can be suspended on the surface of the transfer printing paper in the thermal sublimation process, and the water is quickly evaporated in the thermal sublimation process, so that the transfer printing efficiency is improved.
Description
Technical Field
The invention relates to thermal sublimation transfer paper and a preparation process thereof, in particular to thermal sublimation transfer paper with high ink absorption and high transfer rate and a preparation process thereof, and belongs to the technical field of thermal sublimation transfer paper.
Background
The thermal transfer printing image has bright color and rich layers, and the effect is comparable to that of printing, and the difference from printing is that the thermal transfer printing is an image formed by heating and sublimating the thermal transfer printing ink at high temperature and permeating into the surface of a medium. Therefore, a glue film cannot be formed on the surface of the medium, the image cannot fall off or crack, and the light resistance is strong and cannot fade for a long time; meanwhile, the heat transfer printing mode meets the personalized customization requirement. Therefore, thermal transfer has gained the pursuit of young people.
However, in the use process of the prior transfer paper, when the ink amount is large in the transfer process (when colorful patterns need to be transferred), the ink absorption amount of the paper is insufficient, so that the transfer rate is reduced, and the transfer effect is influenced. Therefore, the thermal sublimation transfer paper with high ink absorption and high transfer rate and the preparation process thereof are provided.
Disclosure of Invention
The invention aims to provide high-ink-absorption high-transfer-rate thermal sublimation transfer paper and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the thermal sublimation transfer printing paper with high ink absorption and high transfer rate comprises a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer;
the impermeable layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the impermeable layer after the impermeable layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified;
the ink absorption coating is prepared from the following raw materials in parts by weight: 12-18 parts of graphene powder, 8-15 parts of viscose fiber, 4-8 parts of chitosan, 2-4 parts of polyvinyl alcohol emulsion, 2-4 parts of plasticizer and 3-4 parts of sodium polyacrylate emulsion;
the water-absorbing coating is prepared from the following raw materials in parts by weight: 4-6 parts of starch, 8-15 parts of polyoxyethylene emulsion, 1-2 parts of plasticizer and 5-8 parts of sodium polyacrylate emulsion;
the anti-seepage layer is prepared from the following raw materials in parts by weight: 6-8 parts of polyethylene resin, 3-5 parts of urea-formaldehyde resin, 4-6 parts of epoxy resin, 2-3 parts of plasticizer and 1-6 parts of nano titanium dioxide dispersion liquid.
As further preferable in the present technical solution: the chitosan is one or more of chitosan myoacetate, carboxymethyl chitosan, quaternized chitosan and hydroxypropyl chitosan.
As further preferable in the present technical solution: the nano titanium dioxide dispersion liquid is prepared by mixing nano titanium dioxide and water according to the weight ratio of 1: 150-200.
As further preferable in the present technical solution: the mass fraction of the polyvinyl alcohol emulsion is 65-70%, and the mass fraction of the polyoxyethylene emulsion is 45-70%.
As further preferable in the present technical solution: the mass fractions of the raw material sodium polyacrylate emulsion in the ink absorption coating and the water absorption coating are both 55-80%.
As further preferable in the present technical solution: the plasticizer in the ink absorption coating, the water absorption coating and the anti-seepage layer is any one or mixture of more of phthalic acid, terephthalic acid, propylene glycol methyl ether, propylene glycol phenyl ether, dodecyl alcohol ester and epoxidized soybean oil.
The invention also provides a preparation process of the thermal sublimation transfer paper with high ink absorption and high transfer rate, and the preparation process of the thermal sublimation transfer paper comprises the following steps:
s1, preparing an anti-permeation layer: mixing polyethylene resin, urea resin, epoxy resin, a plasticizer and nano titanium dioxide dispersion liquid to form a first solution;
s2, preparing an ink absorption coating: mixing graphene powder, viscose, chitosan, polyvinyl alcohol emulsion, a plasticizer and sodium polyacrylate emulsion to form a second solution;
s3, preparing a water-absorbing coating: mixing starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion to form a third solution;
s4, uniformly coating the first solution obtained in the step S1 on the surface of a base layer, after drying, coating the second solution obtained in the step S2, after continuing drying, coating the third solution obtained in the step S3, and drying to obtain base paper coated with three layers of coatings;
and S5, feeding the base paper obtained in the step S4 into a state-adjusting cylinder for treatment, adjusting the paper temperature, balancing the paper temperature, performing soft calendering finishing, and then performing horizontal paper rolling to obtain transfer paper meeting the requirements.
As further preferable in the present technical solution: in the step S1, when the permeation-proof layer is prepared, the polyethylene resin, the urea resin and the epoxy resin are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-.
As further preferable in the present technical solution: in the step S2, when the ink-absorbing coating is prepared, the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-250 ℃, the heating time is 60-80min, then the plasticizer is added, and the stirring is continued for 8-15min, so as to obtain the second solution.
As further preferable in the present technical solution: in the step S3, when the water-absorbing coating is prepared, the starch, the polyethylene oxide emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-.
Compared with the prior art, the invention has the beneficial effects that:
the ink absorbing coating prepared by using the porous material as the main body can be completely attached to the transfer printing paper when ink falls on the transfer printing paper, so that the transfer effect is improved, the ink layer is thick and full, the glossiness is high, the product quality is good, meanwhile, the water absorbing coating is prepared by using starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion, so that water can be suspended on the surface of the transfer printing paper in the thermal sublimation process, the water is quickly evaporated in the thermal sublimation process, the transfer printing efficiency is improved, meanwhile, the anti-permeation effect of the base layer is improved by matching with the anti-permeation layer made of the high-density material, so that the quality of the transfer printing paper is improved, the yield is improved, and the production efficiency is ensured.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present invention provides a technical solution: the thermal sublimation transfer printing paper with high ink absorption and high transfer rate comprises a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer;
the anti-seepage layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the anti-seepage layer after the anti-seepage layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified;
the ink absorption coating is prepared from the following raw materials in parts by weight: 12 parts of graphene powder, 8 parts of viscose, 4 parts of chitosan, 2 parts of polyvinyl alcohol emulsion, 2 parts of plasticizer and 3 parts of sodium polyacrylate emulsion;
the water-absorbing coating is prepared from the following raw materials in parts by weight: 4 parts of starch, 8 parts of polyoxyethylene emulsion, 1 part of plasticizer and 5 parts of sodium polyacrylate emulsion;
the anti-seepage layer is prepared from the following raw materials in parts by weight: 6 parts of polyethylene resin, 3 parts of urea-formaldehyde resin, 4 parts of epoxy resin, 2 parts of plasticizer and 1 part of nano titanium dioxide dispersion liquid.
In this embodiment, specifically: the chitosan is chitosan myoacetate.
In this embodiment, specifically: the nano titanium dioxide dispersion liquid is prepared by mixing nano titanium dioxide and water according to the weight ratio of 1: 150 proportion.
In this embodiment, specifically: the mass fraction of the polyvinyl alcohol emulsion is 65%, and the mass fraction of the polyoxyethylene emulsion is 45%.
In this embodiment, specifically: the mass fractions of the raw material sodium polyacrylate emulsion in the ink absorption coating and the water absorption coating are both 55%.
In this embodiment, specifically: the plasticizer of the raw materials in the ink absorption coating, the water absorption coating and the anti-seepage layer is phthalic acid.
The invention also provides a preparation process of the thermal sublimation transfer paper with high ink absorption and high transfer rate, and the preparation process of the thermal sublimation transfer paper comprises the following steps:
s1, preparing an anti-permeation layer: mixing polyethylene resin, urea resin, epoxy resin, a plasticizer and nano titanium dioxide dispersion liquid to form a first solution;
s2, preparing an ink absorption coating: mixing graphene powder, viscose, chitosan, polyvinyl alcohol emulsion, a plasticizer and sodium polyacrylate emulsion to form a second solution;
s3, preparing a water-absorbing coating: mixing starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion to form a third solution;
s4, uniformly coating the first solution obtained in the step S1 on the surface of a base layer, after drying, coating the second solution obtained in the step S2, after continuing drying, coating the third solution obtained in the step S3, and drying to obtain base paper coated with three layers of coatings;
and S5, feeding the base paper obtained in the step S4 into a state-adjusting cylinder for treatment, adjusting the paper temperature, balancing the paper temperature, performing soft calendering finishing, and then performing horizontal paper rolling to obtain transfer paper meeting the requirements.
In this embodiment, specifically: in step S1, when the permeation-resistant layer is prepared, the polyethylene resin, the urea resin and the epoxy resin are added into a stirring barrel at a stirring speed of 90r/min, a heating temperature of 200 ℃ and a heating time of 60min, and then the plasticizer and the nano titanium dioxide dispersion are added and stirred for 8min to obtain a first solution.
In this embodiment, specifically: in step S2, when the ink-absorbing coating is prepared, adding the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion into a stirring barrel, wherein the stirring speed is 90r/min, the heating temperature is 200 ℃, the heating time is 60min, then adding the plasticizer, and continuing to stir for 8min to obtain a second solution.
In this embodiment, specifically: in step S3, when the water-absorbing coating is prepared, the starch, the polyethylene oxide emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 90r/min, the heating temperature is 200 ℃, the heating time is 60min, then the plasticizer is added, and the stirring is continued for 8min, so as to obtain a third solution.
Example two
Referring to fig. 1, the present invention provides a technical solution: the thermal sublimation transfer printing paper with high ink absorption and high transfer rate comprises a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer;
the anti-seepage layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the anti-seepage layer after the anti-seepage layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified;
the ink absorption coating is prepared from the following raw materials in parts by weight: 15 parts of graphene powder, 12 parts of viscose, 6 parts of chitosan, 3 parts of polyvinyl alcohol emulsion, 3 parts of plasticizer and 3 parts of sodium polyacrylate emulsion;
the water-absorbing coating is prepared from the following raw materials in parts by weight: 5 parts of starch, 12 parts of polyoxyethylene emulsion, 1 part of plasticizer and 7 parts of sodium polyacrylate emulsion;
the anti-seepage layer is prepared from the following raw materials in parts by weight: 7 parts of polyethylene resin, 4 parts of urea-formaldehyde resin, 5 parts of epoxy resin, 2 parts of plasticizer and 4 parts of nano titanium dioxide dispersion liquid.
In this embodiment, specifically: the chitosan is mixture of carboxymethyl chitosan, quaternized chitosan and hydroxypropyl chitosan.
In this embodiment, specifically: the nano titanium dioxide dispersion liquid is prepared by mixing nano titanium dioxide and water according to the weight ratio of 1: 180 proportion.
In this embodiment, specifically: the mass fraction of the polyvinyl alcohol emulsion is 65%, and the mass fraction of the polyoxyethylene emulsion is 45%.
In this embodiment, specifically: the mass fractions of the raw material sodium polyacrylate emulsion in the ink absorption coating and the water absorption coating are both 55%.
In this embodiment, specifically: the plasticizer in the ink absorbing coating, the water absorbing coating and the anti-seepage layer is mixture of propylene glycol phenyl ether, dodecyl alcohol ester and epoxy soybean oil.
The invention also provides a preparation process of the thermal sublimation transfer paper with high ink absorption and high transfer rate, and the preparation process of the thermal sublimation transfer paper comprises the following steps:
s1, preparing an anti-permeation layer: mixing polyethylene resin, urea resin, epoxy resin, a plasticizer and nano titanium dioxide dispersion liquid to form a first solution;
s2, preparing an ink absorption coating: mixing graphene powder, viscose, chitosan, polyvinyl alcohol emulsion, a plasticizer and sodium polyacrylate emulsion to form a second solution;
s3, preparing a water-absorbing coating: mixing starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion to form a third solution;
s4, uniformly coating the first solution obtained in the step S1 on the surface of a base layer, after drying, coating the second solution obtained in the step S2, after continuing drying, coating the third solution obtained in the step S3, and drying to obtain base paper coated with three layers of coatings;
and S5, feeding the base paper obtained in the step S4 into a state-adjusting cylinder for treatment, adjusting the paper temperature, balancing the paper temperature, performing soft calendering finishing, and then performing horizontal paper rolling to obtain transfer paper meeting the requirements.
In this embodiment, specifically: in step S1, when the permeation-resistant layer is prepared, the polyethylene resin, the urea resin and the epoxy resin are added into a stirring barrel at a stirring speed of 100r/min, a heating temperature of 220 ℃ and a heating time of 70min, and then the plasticizer and the nano titanium dioxide dispersion are added and stirred for 10min to obtain a first solution.
In this embodiment, specifically: in step S2, when the ink-absorbing coating is prepared, adding the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion into a stirring barrel, wherein the stirring speed is 100r/min, the heating temperature is 220 ℃, the heating time is 70min, then adding the plasticizer, and continuing to stir for 10min to obtain a second solution.
In this embodiment, specifically: in step S3, when the water-absorbing coating is prepared, the starch, the polyethylene oxide emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 100r/min, the heating temperature is 220 ℃, the heating time is 70min, then the plasticizer is added, and the stirring is continued for 12min, so as to obtain a third solution.
EXAMPLE III
Referring to fig. 1, the present invention further provides a technical solution: the thermal sublimation transfer printing paper with high ink absorption and high transfer rate comprises a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer;
the anti-seepage layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the anti-seepage layer after the anti-seepage layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified;
the ink absorption coating is prepared from the following raw materials in parts by weight: 18 parts of graphene powder, 15 parts of viscose, 8 parts of chitosan, 4 parts of polyvinyl alcohol emulsion, 4 parts of plasticizer and 4 parts of sodium polyacrylate emulsion;
the water-absorbing coating is prepared from the following raw materials in parts by weight: 6 parts of starch, 15 parts of polyoxyethylene emulsion, 2 parts of plasticizer and 8 parts of sodium polyacrylate emulsion;
the anti-seepage layer is prepared from the following raw materials in parts by weight: 8 parts of polyethylene resin, 5 parts of urea-formaldehyde resin, 6 parts of epoxy resin, 3 parts of plasticizer and 6 parts of nano titanium dioxide dispersion liquid.
In this embodiment, specifically: the chitosan is myocarboxymethyl chitosan.
In this embodiment, specifically: the nano titanium dioxide dispersion liquid is prepared by mixing nano titanium dioxide and water according to the weight ratio of 1: 150 proportion.
In this embodiment, specifically: the mass fraction of the polyvinyl alcohol emulsion is 65%, and the mass fraction of the polyoxyethylene emulsion is 45%.
In this embodiment, specifically: the mass fractions of the raw material sodium polyacrylate emulsion in the ink absorption coating and the water absorption coating are both 75%.
In this embodiment, specifically: the plasticizer of the raw materials in the ink absorption coating, the water absorption coating and the anti-seepage layer is propylene glycol phenyl ether.
The invention also provides a preparation process of the thermal sublimation transfer paper with high ink absorption and high transfer rate, and the preparation process of the thermal sublimation transfer paper comprises the following steps:
s1, preparing an anti-permeation layer: mixing polyethylene resin, urea resin, epoxy resin, a plasticizer and nano titanium dioxide dispersion liquid to form a first solution;
s2, preparing an ink absorption coating: mixing graphene powder, viscose, chitosan, polyvinyl alcohol emulsion, a plasticizer and sodium polyacrylate emulsion to form a second solution;
s3, preparing a water-absorbing coating: mixing starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion to form a third solution;
s4, uniformly coating the first solution obtained in the step S1 on the surface of a base layer, after drying, coating the second solution obtained in the step S2, after continuing drying, coating the third solution obtained in the step S3, and drying to obtain base paper coated with three layers of coatings;
and S5, feeding the base paper obtained in the step S4 into a state-adjusting cylinder for treatment, adjusting the paper temperature, balancing the paper temperature, performing soft calendering finishing, and then performing horizontal paper rolling to obtain transfer paper meeting the requirements.
In this embodiment, specifically: in step S1, when the permeation-proof layer is prepared, the polyethylene resin, the urea resin and the epoxy resin are added into a stirring barrel at a stirring speed of 120r/min, a heating temperature of 250 ℃ and a heating time of 80min, and then the plasticizer and the nano titanium dioxide dispersion are added and stirred for 15min to obtain a first solution.
In this embodiment, specifically: in step S2, when the ink-absorbing coating is prepared, adding the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion into a stirring barrel, wherein the stirring speed is 120r/min, the heating temperature is 250 ℃, the heating time is 80min, then adding the plasticizer, and continuing to stir for 15min to obtain a second solution.
In this embodiment, specifically: in step S3, when the water-absorbing coating is prepared, the starch, the polyethylene oxide emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 120r/min, the heating temperature is 250 ℃, the heating time is 80min, then the plasticizer is added, and the stirring is continued for 15min, so as to obtain a third solution.
When the transfer printing paper is used, the ink absorption coating is prepared by adopting the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion which take the porous material as the main body, so that the ink can be completely attached to the transfer printing paper when the ink falls on the transfer printing paper, thereby improving the transfer effect, ensuring that the ink layer is thick and full, the glossiness is high, the product quality is good, and simultaneously, then preparing a water absorption coating by using starch, polyoxyethylene emulsion, a plasticizer and sodium polyacrylate emulsion so that water can be suspended on the surface of the transfer printing paper in the thermal sublimation process, at thermal sublimation's in-process, moisture rapid evaporation improves rendition efficiency, and simultaneously, the prevention of seepage permeable bed that the cooperation was made by high density material improves the prevention of seepage effect of basic unit to improve the quality of transfer printing paper, improve the yields, guarantee production efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The thermal sublimation transfer paper with high ink absorption and high transfer rate is characterized by comprising a base layer, an ink absorption coating, a water absorption coating and an anti-seepage layer;
the impermeable layer is smeared on the surface of the base layer, the ink absorption coating is smeared on the surface of the impermeable layer after the impermeable layer is solidified, and the water absorption coating is smeared on the surface of the ink absorption coating after the ink absorption coating is solidified;
the ink absorption coating is prepared from the following raw materials in parts by weight: 12-18 parts of graphene powder, 8-15 parts of viscose fiber, 4-8 parts of chitosan, 2-4 parts of polyvinyl alcohol emulsion, 2-4 parts of plasticizer and 3-4 parts of sodium polyacrylate emulsion;
the water-absorbing coating is prepared from the following raw materials in parts by weight: 4-6 parts of starch, 8-15 parts of polyoxyethylene emulsion, 1-2 parts of plasticizer and 5-8 parts of sodium polyacrylate emulsion;
the anti-seepage layer is prepared from the following raw materials in parts by weight: 6-8 parts of polyethylene resin, 3-5 parts of urea-formaldehyde resin, 4-6 parts of epoxy resin, 2-3 parts of plasticizer and 1-6 parts of nano titanium dioxide dispersion liquid.
2. The high ink absorption and high transfer rate thermal sublimation transfer paper according to claim 1, characterized in that: the chitosan is one or more of chitosan myoacetate, carboxymethyl chitosan, quaternized chitosan and hydroxypropyl chitosan.
3. The high ink absorption and high transfer rate thermal sublimation transfer paper according to claim 1, characterized in that: the nano titanium dioxide dispersion liquid is prepared by mixing nano titanium dioxide and water according to the weight ratio of 1: 150-200.
4. The high ink absorption and high transfer rate thermal sublimation transfer paper according to claim 1, characterized in that: the mass fraction of the polyvinyl alcohol emulsion is 65-70%, and the mass fraction of the polyoxyethylene emulsion is 45-70%.
5. The high ink absorption and high transfer rate thermal sublimation transfer paper according to claim 1, characterized in that: the mass fractions of the raw material sodium polyacrylate emulsion in the ink absorption coating and the water absorption coating are both 55-80%.
6. The high ink absorption and high transfer rate thermal sublimation transfer paper according to claim 1, characterized in that: the plasticizer in the ink absorption coating, the water absorption coating and the anti-seepage layer is any one or mixture of more of phthalic acid, terephthalic acid, propylene glycol methyl ether, propylene glycol phenyl ether, dodecyl alcohol ester and epoxidized soybean oil.
7. A process for preparing a high ink absorption high transfer rate thermal sublimation transfer paper according to any one of claims 1 to 6, characterized in that: the preparation method of the thermal sublimation transfer printing paper comprises the following steps:
s1, preparing an anti-permeation layer: mixing polyethylene resin, urea resin, epoxy resin, a plasticizer and nano titanium dioxide dispersion liquid to form a first solution;
s2, preparing an ink absorption coating: mixing graphene powder, viscose, chitosan, polyvinyl alcohol emulsion, a plasticizer and sodium polyacrylate emulsion to form a second solution;
s3, preparing a water-absorbing coating: mixing starch, polyoxyethylene emulsion, plasticizer and sodium polyacrylate emulsion to form a third solution;
s4, uniformly coating the first solution obtained in the step S1 on the surface of a base layer, after drying, coating the second solution obtained in the step S2, after continuing drying, coating the third solution obtained in the step S3, and drying to obtain base paper coated with three layers of coatings;
and S5, feeding the base paper obtained in the step S4 into a state-adjusting cylinder for treatment, adjusting the paper temperature, balancing the paper temperature, performing soft calendering finishing, and then performing horizontal paper rolling to obtain transfer paper meeting the requirements.
8. The process for preparing the high-ink-absorption high-transfer-rate thermal sublimation transfer printing paper according to claim 1, wherein the process comprises the following steps: in the step S1, when the permeation-proof layer is prepared, the polyethylene resin, the urea resin and the epoxy resin are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-.
9. The process for preparing the high-ink-absorption high-transfer-rate thermal sublimation transfer printing paper according to claim 1, wherein the process comprises the following steps: in the step S2, when the ink-absorbing coating is prepared, the graphene powder, the viscose fiber, the chitosan, the polyvinyl alcohol emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-250 ℃, the heating time is 60-80min, then the plasticizer is added, and the stirring is continued for 8-15min, so as to obtain the second solution.
10. The process for preparing the high-ink-absorption high-transfer-rate thermal sublimation transfer printing paper according to claim 1, wherein the process comprises the following steps: in the step S3, when the water-absorbing coating is prepared, the starch, the polyethylene oxide emulsion and the sodium polyacrylate emulsion are added into a stirring barrel, the stirring speed is 90-120r/min, the heating temperature is 200-.
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| CN114592372A (en) * | 2022-03-29 | 2022-06-07 | 常州太乙新材料有限公司 | Transfer paper coating and preparation method thereof |
| CN114837017A (en) * | 2022-03-28 | 2022-08-02 | 常州太乙新材料有限公司 | Thermal sublimation coating coated on low-gram-weight base paper |
| CN115233497A (en) * | 2022-07-18 | 2022-10-25 | 宜兴市佳普林新材料有限公司 | Method for manufacturing quick-drying paint ink transfer paper |
| CN115976879A (en) * | 2022-12-09 | 2023-04-18 | 广州山木新材料科技有限公司 | Digital pyrography transfer paper and preparation method thereof |
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| CN115976879B (en) * | 2022-12-09 | 2023-07-14 | 广州山木新材料科技有限公司 | Digital hot-stamping transfer paper and preparation method thereof |
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Denomination of invention: High ink absorption and high transfer rate heat sublimation transfer paper and its preparation process Effective date of registration: 20231120 Granted publication date: 20230428 Pledgee: Jiangyin branch of Agricultural Bank of China Ltd. Pledgor: Jiangyin Allnice Digital Technology Co.,Ltd. Registration number: Y2023980066149 |
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