CN219670951U - Thermal sublimation transfer printing base paper with small elasticity - Google Patents
Thermal sublimation transfer printing base paper with small elasticity Download PDFInfo
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- CN219670951U CN219670951U CN202320271843.XU CN202320271843U CN219670951U CN 219670951 U CN219670951 U CN 219670951U CN 202320271843 U CN202320271843 U CN 202320271843U CN 219670951 U CN219670951 U CN 219670951U
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- paper
- wood pulp
- thermal sublimation
- transfer printing
- filler
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- 238000000859 sublimation Methods 0.000 title claims abstract description 46
- 230000008022 sublimation Effects 0.000 title claims abstract description 46
- 238000010023 transfer printing Methods 0.000 title claims abstract description 39
- 239000000945 filler Substances 0.000 claims abstract description 48
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 42
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 40
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 238000004513 sizing Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000011800 void material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000035699 permeability Effects 0.000 abstract description 6
- 238000007639 printing Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- 210000001724 microfibril Anatomy 0.000 description 6
- 239000000976 ink Substances 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920001909 styrene-acrylic polymer Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013081 microcrystal Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001397809 Hakea leucoptera Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- -1 beta-D-glucopyranosyl groups Chemical group 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical group OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
The utility model relates to the technical field of thermal sublimation transfer printing, and discloses thermal sublimation transfer printing base paper with small elasticity, which comprises a paper fiber layer (1), wherein the paper fiber layer (1) is a net-shaped structure layer formed by wood pulp cellulose fibers (A), the wood pulp cellulose fibers (A) are of hollow structures and form intramolecular gaps (B), and the intramolecular gaps (B) are filled with nano fillers (2); the wood pulp cellulose fiber (A) and the wood pulp cellulose fiber (A) form intermolecular gaps (C), and the paper fiber layer (1) fills the intermolecular gaps (C) with micron filler (3) or micron filler (3) and nanometer filler (2) to form a planar structure; the filler reserves the permeable pores of the filler, and can meet the performance requirements of paper on water permeability, strength and evenness and consistency of paper; the thermal sublimation transfer printing base paper has the characteristics of stable structure and small elasticity, and can meet the requirement of rapidly printing the thermal sublimation base paper.
Description
Technical Field
The utility model relates to the technical field of thermal sublimation transfer printing, in particular to thermal sublimation transfer printing base paper with small elasticity.
Background
The thermal sublimation transfer printing base paper is one of key raw materials for producing the thermal sublimation transfer printing digital paper, and the thermal sublimation transfer printing base paper not only meets the basic requirements of coated paper, such as dry and wet strength, but also has enough strength in coating and subsequent processing, ensures normal processing, has smaller two-sided difference, ration, thickness, consistency of moisture and the like, and also has higher requirements on tearing degree, uniformity, expansion rate, tensile strength and smoothness, in particular expansion rate.
Because the thermal sublimation base paper can generate paper wrinkling after ink-jet ink absorption in the use process, if deep color patterns are printed, the problem of wrinkling is serious, and the paper is likely to arch and be smeared on a spray head, especially when the paper surface roughness is large, the exquisite spray head is more likely to be damaged. Therefore, when the thermal sublimation base paper is required to be used for ink jet, the expansion stability of the paper surface is good, namely, the smaller the wrinkling after ink jet ink absorption is, the better the wrinkling is, and the expansion stability is required to be very good on index parameters, namely, the expansion stability in the printing process.
EP770729 describes a paper suitable for printing with aqueous inks, in which dimensional instability is prevented by eliminating shrinkage after the surface of the paper has been subjected to a coating step, mainly by coating the surface of the paper, but the air permeability of the paper is greatly reduced.
At present, methods for reducing the expansion and contraction rate of paper generally select low-expansion and contraction rate paper pulp, adjust beating degree and improve papermaking process conditions, and mainly change the length of fibers and the corresponding structure of fiber dispersion of the fibers. For example, patent No. 201610446694.0 discloses a process for producing thermal sublimation base paper, which comprises the steps of crushing needle wood and broadleaf wood with a mass ratio of 15:85-30:70 by a pulper, adding filler, and grinding the obtained pulp with a beating degree of 25-35 DEG SR to realize a transverse expansion rate of the base paper of 1.21-1.25%, wherein the mass ratio of plant fiber to filler is 70:30-85:15.
The patent with application number 201210241510.9 discloses a method for manufacturing thermal sublimation transfer printing base paper, which comprises the steps of pulping needle pulp and broadleaf pulp according to a certain proportion, adding chemical mechanical pulp, adding wet strength agent polyamide epoxy resin, alum, sizing agent and the like to prepare uniform pulp, and preparing the thermal sublimation transfer printing base paper through sizing, dehydration, molding, squeezing, surface sizing and drying processes, wherein the beating degree, the additive consumption in the paper making process and the technological parameters are mainly optimized to realize the effect.
The patent with application number 201710037423.4 discloses a method and a process for manufacturing thermal transfer printing base paper, wherein styrene-acrylic latex and a hydrophobic agent are added into glue solution through reasonable fiber raw material proportion, and the double-sided sizing amount reaches 2-4 g/m 2 The transverse shrinkage rate of the base paper is controlled to be 1.5-2.0%, and the expansion resistance of the base paper to water is improved. The double-sided sizing and styrene-acrylic latex molecules thereof can increase the binding force with cellulose molecules and have the function of controlling shrinkage and water resistance. But it is clear that double-sided sizing and its styrene-acrylic latex molecules have a blocking effect on cellulose micropores and thus directly influence the drying speed of the thermal sublimation base paper.
The patent application number 201620095019.3 discloses an ink-jet thermal sublimation transfer printing base paper, which consists of a base paper layer and a coating, wherein the coating is positioned on one side or two sides of the base paper layer, the coating contains a reticular structure formed by plant fibers, chemical fibers or mineral fibers, pigment particles are filled in gaps of the reticular structure by the coating to form a planar structure, the coating can reduce the wet water elongation of the paper, and the wet water elongation of the paper is controlled to be 1.1% -1.6%. But the porosity of the fibers in the coating is not preserved and can affect air permeability.
Disclosure of Invention
The utility model provides a method for manufacturing thermal sublimation transfer printing base paper with small elasticity, which aims at the defects that the thermal sublimation transfer printing base paper is easy to shrink after being absorbed by water and dried in the prior art, and the air permeability is sacrificed while the expansion rate is reduced.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
the thermal sublimation transfer printing base paper with small elasticity comprises a paper fiber layer, wherein the paper fiber layer is a net-shaped structure layer formed by wood pulp cellulose fibers, the inside of the wood pulp cellulose fibers is hollow to form intramolecular gaps, and the intramolecular gaps are filled with nano fillers; the wood pulp cellulose fiber and the wood pulp cellulose fiber form intermolecular gaps, and the paper fiber layer fills the intermolecular gaps with micrometer filler or micrometer filler and nanometer filler to form a planar structure.
The low-expansion rate thermal sublimation transfer printing base paper consists of wood pulp cellulose fibers, nano fillers and micron fillers, wherein the wood pulp cellulose fibers consist of beta-D-glucopyranosyl groups, the chemical formula is in a chair type structure, and microcrystals and an amorphous area are interwoven together; the wood pulp cellulose fiber comprises giant fibrils, the giant fibrils are composed of 4 microfibrils, the microfibrils are composed of 16 base fibrils, the inside of the base fibrils is hollow, intramolecular gaps are formed, and the intramolecular gaps are filled with nano fillers; gaps are formed between the wood pulp cellulose fibers and the wood pulp cellulose fibers to form intermolecular gaps, and the paper fiber layer fills the intermolecular gaps with micrometer fillers to form a planar structure. According to the utility model, the nano filler and the micron filler are used for stabilizing two void structures of intermolecular voids and intramolecular voids of the wood pulp cellulose fiber, and the use of the nano filler and the micron filler directly influences the expansion rate, the water permeability and the strength of the thermal sublimation transfer printing base paper, so that the thermal sublimation transfer printing base paper has the characteristics of stable structure and difficult shrinkage, and can better meet the rapid printing requirements of different climates.
Preferably, the diameter of the base fibrils is 3.0 to 3.5nm, the diameter of the microfibrils is 12nm, and the diameter of the macrofibrils is 25nm.
Preferably, the paper fiber layer is a needle-leaved pulp and broadleaf pulp fiber layer.
Preferably, the length of the wood pulp cellulose fibers in the paper fiber layer is 1 to 10um.
Preferably, the pore size of the intramolecular voids is 10 to 100nm.
Preferably, the pore size of the intermolecular gap is 100nm to 10. Mu.m.
Preferably, the paper fiber layer is also distributed with a sizing agent layer, the wood pulp cellulose fiber is connected with the wood pulp cellulose fiber through the sizing agent layer, and the micrometer filler and the nanometer filler are respectively fixed on the paper fiber layer through the sizing agent layer.
The utility model has the remarkable technical effects due to the adoption of the technical scheme:
the paper fiber layer is of a reticular structure with holes, and after water absorption and drying, the paper can shrink, so that the nano filler is filled in the reticular structure, and the molecular structure of cellulose can be kept stable; on the other hand, the micron filler or the micron filler and the nanometer filler are filled in the holes of the net structure, so that the intermolecular structure of the cellulose can be kept stable, the paper fiber layer is not easy to shrink after being absorbed by water and dried, the expansion rate is controlled to be 0.3-0.9, and the expansion rate of the thermal sublimation transfer printing base paper is lower.
In addition, as the nanometer filler and the micrometer filler are filled in the paper fiber layer, the pores of the paper fiber layer are reserved, so that the water permeable pores of the paper fiber layer are reserved, the performance requirements of the thermal sublimation transfer printing base paper on water permeability and strength can be met, the smoothness, uniformity and consistency of paper with different seasons and humidity difference can be met, a spray head is not required to be applied, and the requirements of rapid printing in different climates can be met better.
Drawings
Fig. 1 is a schematic structural view of a thermal sublimation transfer base paper with small stretchability in this embodiment.
Fig. 2 is a partial enlarged view of thermal sublimation transfer base paper with small stretchability in this embodiment.
FIG. 3 is a schematic view showing the structure of the wood pulp cellulose fiber in this example.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-paper fiber layer, A-wood pulp cellulose fiber, B-intramolecular void, C-intermolecular void, 2-nano filler, 3-micro filler, 7-giant fibril, 8-micro fibril and 9-base fibril.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The thermal sublimation transfer printing base paper with small elasticity comprises a paper fiber layer 1, wherein the paper fiber layer 1 is a net-shaped structure layer formed by wood pulp cellulose fibers A, the inside of the wood pulp cellulose fibers A is hollow to form intramolecular gaps B, and the intramolecular gaps B are filled with nano fillers 2; the intermolecular gaps C are formed between the wood pulp cellulose fibers A and the wood pulp cellulose fibers A, and the paper fiber layer 1 fills the intermolecular gaps C with the micrometer filler 3 to form a planar structure.
The low-expansion-ratio thermal sublimation transfer printing base paper comprises wood pulp cellulose fiber A, nano filler 2 and micron filler 3, wherein the wood pulp cellulose fiber A comprises beta-D-glucopyranose groups and is interwoven with amorphous areas by microcrystals; the wood pulp cellulose fiber 2 comprises giant fibrils 7, wherein the giant fibrils 7 are composed of 4 microfibrils 8, the microfibrils 8 are composed of 16 base fibrils 9, the inside of the base fibrils 9 is hollow, an intramolecular gap B is formed, and the intramolecular gap B is filled with the nano-filler 2; gaps are formed between the wood pulp cellulose fibers A and the wood pulp cellulose fibers A to form intermolecular gaps C, and the paper fiber layer 1 fills the intermolecular gaps C with the micrometer filler 3 to form a planar structure.
Example 2
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: in the embodiment, the nano filler 2 and the micro filler 3 are used for stabilizing the intermolecular and intramolecular void structures of the wood pulp cellulose fiber A, so that the thermal sublimation transfer printing base paper has a stable structure and is not easy to shrink.
Example 3
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the nano filler 2 is one of nano calcium carbonate, nano calcium silicate, nano talcum powder and nano silicon dioxide or is combined with nano active calcium carbonate, and the weight of the nano active calcium carbonate is 10-30% when the nano active calcium carbonate and the nano active calcium carbonate are combined.
Example 4
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the micrometer filler 3 is one or the combination of talcum powder, light calcium carbonate and calcium sulfate; 70-90% by weight of active talcum powder when the two are combined.
Example 5
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the diameter of the base fibrils 9 is 3.0-3.5 nm, the diameter of the microfibrils 8 is 12nm, and the diameter of the macrofibrils 7 is 25nm.
Example 6
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the paper fiber layer 1 is needle pulp and broad-leaved pulp fiber layer.
Example 7
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the length of the wood pulp cellulose fibers 2 in the paper fiber layer 1 is 1-10 um.
Example 8
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the pore diameter of the intramolecular gap 3 is 10-100 nm.
Example 9
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the pore diameter of the intermolecular gap 4 is 100 nm-10 um.
Example 10
The present embodiment provides a thermal sublimation transfer printing base paper with small stretchability, which differs from the above embodiment only in that: the paper fiber layer 1 is also provided with a sizing agent layer, the wood pulp cellulose fibers 2 and the wood pulp cellulose fibers 2 are connected through the sizing agent layer, and the micrometer filler 6 and the nanometer filler 5 are respectively fixed on the paper fiber layer 1 through the sizing agent layer.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.
Claims (6)
1. The utility model provides a thermal sublimation rendition body paper that elasticity is little which characterized in that: the paper fiber comprises a paper fiber layer (1), wherein the paper fiber layer (1) is a netlike structure layer formed by wood pulp cellulose fibers (A), the wood pulp cellulose fibers (A) are of an internal hollow structure and form intramolecular gaps (B), and the intramolecular gaps (B) are filled with nano fillers (2); the wood pulp cellulose fiber (A) and the wood pulp cellulose fiber (A) form intermolecular gaps (C), and the paper fiber layer (1) fills the intermolecular gaps (C) with micrometer filler (3) or micrometer filler (3) and nanometer filler (2) to form a plane structure.
2. The thermal sublimation transfer printing base paper with small elasticity according to claim 1, wherein: the paper fiber layer (1) is a needle-leaf pulp and broadleaf pulp fiber layer, and the wood pulp cellulose fiber (A) comprises giant fibrils with the diameter of 25nm.
3. The thermal sublimation transfer printing base paper with small elasticity according to claim 2, wherein: the length of the wood pulp cellulose fiber (A) in the paper fiber layer (1) is 1-10 um.
4. The thermal sublimation transfer printing base paper with small elasticity according to claim 1, wherein: the pore diameter of the intramolecular void (B) is 10-100 nm.
5. The thermal sublimation transfer printing base paper with small elasticity according to claim 1, wherein: the pore diameter of the intermolecular gap (C) is 100 nm-10 um.
6. The thermal sublimation transfer printing base paper with small elasticity according to claim 1, wherein: the paper fiber layer (1) is also provided with a sizing agent layer, the wood pulp cellulose fiber (A) is connected with the wood pulp cellulose fiber (A) through the sizing agent layer, and the micrometer filler (3) and the nanometer filler (2) are respectively fixed on the paper fiber layer (1) through the sizing agent layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320271843.XU CN219670951U (en) | 2023-02-21 | 2023-02-21 | Thermal sublimation transfer printing base paper with small elasticity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320271843.XU CN219670951U (en) | 2023-02-21 | 2023-02-21 | Thermal sublimation transfer printing base paper with small elasticity |
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| CN219670951U true CN219670951U (en) | 2023-09-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145470A (en) * | 2023-02-21 | 2023-05-23 | 衢州东大复合材料科技有限公司 | Thermal sublimation transfer printing base paper with small elasticity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116145470A (en) * | 2023-02-21 | 2023-05-23 | 衢州东大复合材料科技有限公司 | Thermal sublimation transfer printing base paper with small elasticity |
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