Dissoluble transfer paper

Abstract

The utility model discloses dissoluble transfer paper which comprises a lower bottom layer, a middle layer fixedly connected to the upper surface of the lower bottom layer, a covering layer fixedly connected to the upper surface of the middle layer, the lower bottom layer comprises a base layer, an anti-diffusion layer fixedly connected to the upper surface of the base layer, an alkaline layer fixedly connected to one side of the anti-diffusion layer, and a hydrosol layer. The upper surface of the hydrosol layer is fixedly connected with a color pigment layer, one side of the color pigment layer is fixedly connected with an active agent control layer, and the covering layer comprises a film adhesive layer and a release auxiliary layer. By means of the structure, acidic substances can be neutralized through the alkaline layer, the stability of the color pigment layer can be protected conveniently, the color pigment layer serves as a color developing substance carrier, pigment can be evenly dispersed, and therefore the color saturation of a transfer printing pattern is ensured; therefore, the agglomeration of the color pigment particles is inhibited, and the pattern glossiness on the surface of the coating is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a transfer paper technical field, especially in a kind of soluble transfer paper. BACKGROUND

[0002] Soluble transfer paper is a kind of special transfer medium, mainly through ink-jet printer is printed on transfer paper pattern, water-soluble gel layer is dissolved automatically after meeting water, realizes pattern transfer, is applicable to complex curved surface printing, without special equipment or high-temperature treatment is applied to medicine, food packaging and other fields, such as Chinese patent discloses a kind of soluble water transfer paper, its application number is: CN201620508209.3, halo-preventing layer, prevent pattern in water easy diffusion and deformation, prevent curling back coating layer can prevent the phenomenon that paper appears in water edge warping, but cannot inhibit acidic substance of process residue, acidic environment can cause damage to pattern, thereby reduce the durability of water transfer pattern, in addition, the saturation of pattern after separation will be affected, so that the pattern after transfer is not clear enough. SUMMARY

[0003] The utility model discloses a kind of soluble transfer paper, through alkaline layer can neutralize acidic substance, facilitate the protection of colorant layer stability, colorant layer as color-developing substance carrier, can realize the uniform dispersion of pigment, to ensure the color saturation of transfer pattern, in addition, active agent control layer is formed by carboxylate sodium group ionization Negative charge barrier, to inhibit the agglomeration of colorant particle, to improve the pattern gloss of coating surface.

[0004] The utility model discloses still provide with above-mentioned one kind soluble transfer paper, it includes: lower bottom layer, the upper surface of the lower bottom layer is fixedly connected with intermediate layer, the upper surface of the intermediate layer is fixedly connected with covering layer, the lower bottom layer includes base layer, the upper surface of the base layer is fixedly connected with diffusion-preventing layer, the side of the diffusion-preventing layer away from base layer is fixedly connected with alkaline layer;The intermediate layer includes hydrosol layer, the upper surface of the hydrosol layer is fixedly connected with colorant layer, the side of the colorant layer away from hydrosol layer is fixedly connected with active agent control layer, the covering layer includes film glue layer and release auxiliary layer, the upper surface of the film glue layer is fixedly connected with release auxiliary layer. Through alkaline layer can neutralize acidic substance, facilitate the protection of colorant layer stability, colorant layer as color-developing substance carrier, can realize the uniform dispersion of pigment, to ensure the color saturation of transfer pattern, in addition, active agent control layer is formed by carboxylate sodium group ionization Negative charge barrier, to inhibit the agglomeration of colorant particle, to improve the pattern gloss of coating surface.

[0005] The utility model discloses a kind of soluble transfer paper, the alkaline layer is fixedly connected with hydrosol layer on the side far from diffusion prevention layer, the inside of the hydrosol layer is three-dimensional network structure, and the hydrosol layer is made of water-absorbing polyvinyl alcohol material. When water absorption is dissolved, the hydrosol layer with network structure forms viscous colloid, and can carry pattern layer uniformity to be attached to special-shaped curved surface.

[0006] The utility model discloses a kind of soluble transfer paper, the inside of the alkaline layer is filled with corrosion-resistant material by porous, the corrosion-resistant material is amorphous polyester resin, the alkaline layer is composed of calcium carbonate. Calcium carbonate alkaline layer can neutralize the acidic substance released in transfer process, prevent dye molecule degradation, amorphous polyester resin can resist the erosion of organic solvent.

[0007] The utility model discloses a kind of soluble transfer paper, the side far from colorant layer of the active agent control layer is with film adhesive layer, the film adhesive layer has solubility, the inside of the colorant layer is combined to form porous ink-absorbing structure by polyurethane. Porous structure produces capillary effect when transferring, so that pattern layer can be uniformly separated when peeling.

[0008] The utility model discloses a kind of soluble transfer paper, the active agent control layer is composed of sodium alginate with water-soluble high molecular material, the surface of the active agent control layer is uniformly coated with surfactant polyethylene glycol. Active agent control layer can change surface tension after cooperating with polyethylene glycol, significantly improve the spreading uniformity of transfer pattern.

[0009] The utility model discloses a kind of soluble transfer paper, the upper surface of the release auxiliary layer is fixedly connected with coating, the release auxiliary layer is made of hydroxypropyl cellulose with water-soluble polymer. Layer interlamination warping deformation in transfer process can be inhibited.

[0010] The utility model discloses a kind of soluble transfer paper, the outside of the coating is provided with pressure angle, the pressure angle has four and is evenly distributed at the four corners of coating. The connection effect between coating and release auxiliary layer can be guaranteed by pressure angle.

[0011] Beneficial effects: compared with prior art, the novel one of the transfer paper, by alkaline layer can neutralize acidic substance, facilitate the stability of colorant layer, colorant layer as color-developing substance carrier, can realize the uniform dispersion of pigment, to ensure the color saturation of transfer pattern, in addition, active agent control layer is ionized to form negative charge barrier by sodium carboxylate group, to inhibit the agglomeration of colorant particle, to improve the pattern gloss of coating surface. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further illustrated below in combination with the drawings and embodiments;

[0013] Figure 1 It is the complete structure diagram of the dissolvable transfer paper of the utility model;

[0014] Figure 2 It is the lower bottom layer structure diagram of the dissolvable transfer paper of the utility model;

[0015] Figure 3 It is the intermediate layer structure diagram of the dissolvable transfer paper of the utility model;

[0016] Figure 4 It is the cover layer structure diagram of the dissolvable transfer paper of the utility model.

[0017] Legend:

[0018] 1, lower bottom layer, 2, intermediate layer, 3, cover layer, 4, base layer, 5, diffusion prevention layer, 6, alkaline layer, 7, hydrosol layer, 8, colorant layer, 9, active agent control layer, 10, film adhesive layer, 11, release auxiliary layer, 12, coating, 13, pressure angle. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0020] Referring to Figures 1-4 , the utility model discloses a dissolvable transfer paper, it includes: lower bottom layer 1, the upper surface of lower bottom layer 1 is fixedly connected with intermediate layer 2, the upper surface of intermediate layer 2 is fixedly connected with cover layer 3, and lower bottom layer 1 includes base layer 4, the upper surface of base layer 4 is fixedly connected with diffusion prevention layer 5, and the side, away from base layer 4, of diffusion prevention layer 5 is fixedly connected with alkaline layer 6;Intermediate layer 2 includes hydrosol layer 7, the upper surface of hydrosol layer 7 is fixedly connected with colorant layer 8, and the side, away from hydrosol layer 7, of colorant layer 8 is fixedly connected with active agent control layer 9, and cover layer 3 includes film adhesive layer 10 and release auxiliary layer 11, and the upper surface of film adhesive layer 10 is fixedly connected with release auxiliary layer 11;

[0021] Specifically, base layer 4 provides support for the overall paper structure, the polymer film of the microporous structure in diffusion prevention layer 5 can prevent dye from penetrating downward and polluting base layer 4, alkaline layer 6 and hydrosol layer 7 jointly maintain the chemical stability of dye, and the cooperation of hydrosol layer 7 and active agent control layer 9 can significantly improve the transfer efficiency.

[0022] The alkali layer 6 is fixedly connected to the water-soluble layer 7 away from the diffusion-preventing layer 5. The water-soluble layer 7 has a three-dimensional network structure, and is made of polyvinyl alcohol material with water absorption. The interior of the alkali layer 6 is filled with corrosion-resistant material. The corrosion-resistant material is amorphous polyester resin. The alkali layer 6 is composed of calcium carbonate.

[0023] Specifically, the alkali layer 6 can neutralize the acidic substances penetrated in the transfer process, thereby protecting the structural integrity of the water-soluble layer 7. The amorphous polyester resin can resist corrosion environment and form a double protection system with calcium carbonate, thereby improving the completeness rate of pattern transfer.

[0024] The active agent control layer 9 is away from the colorant layer 8 and is connected to the film adhesive layer 10. The film adhesive layer 10 is soluble. The interior of the colorant layer 8 is combined by polyurethane to form a porous ink-absorbing structure. The active agent control layer 9 is composed of sodium alginate with water-soluble polymer material. The surface of the active agent control layer 9 is uniformly coated with surfactant polyethylene glycol.

[0025] Specifically, the active agent control layer 9 can form an ion exchange network in a humid environment due to the water-soluble polymer characteristics. The release rate of the active agent is regulated by the carboxylic acid group. The colorant layer 8 enhances the ink absorption capacity through capillary action, so that the pattern can be quickly shaped.

[0026] The upper surface of the release auxiliary layer 11 is fixedly connected to the coating layer 12. The release auxiliary layer 11 is made of hydroxypropyl cellulose with water-soluble polymer. The outer surface of the coating layer 12 is provided with four pressure angles 13 which are uniformly distributed at the four corners of the coating layer 12.

[0027] Specifically, the release auxiliary layer 11 can avoid interlayer peeling caused by excessive swelling. The connection effect between the coating layer 12 and the release auxiliary layer 11 can be ensured by the pressure angle 13, thereby avoiding the residue problem caused by one-sided tearing.

[0028] Working principle: first, the base layer 4 provides support for the overall paper structure. The polymer film with micro-porous structure in the diffusion-preventing layer 5 can prevent dye from penetrating downward to contaminate the base layer 4. The alkali layer 6 and the water-soluble layer 7 jointly maintain the chemical stability of the dye. The alkali layer 6 can neutralize acidic substances to protect the stability of the colorant layer 8. The water-soluble layer 7 is dissolved in water to release the colorant layer 8. The active agent control layer 9 is composed of sodium alginate, which can adjust the release rate of the dye and maintain the uniformity of the transfer. Therefore, the cooperation of the water-soluble layer 7 and the active agent control layer 9 can significantly improve the transfer efficiency. The release auxiliary layer 11 forms a low surface tension interface by silicone oil, thereby ensuring that the colorant layer 8 can be separated without damage before transfer.

[0029] The utility model embodiment makes the detailed explanation in combination with the drawing, but the utility model is not limited to the above -mentioned embodiment, still can make various changes in the knowledge range that the person skilled in the art has possesses without departing from the utility model's tenet under the precondition that the knowledge range that the person skilled in the art has possesses.

Claims

1. A dissolvable transfer paper, characterized by, Include: The upper surface of the lower bottom layer (1) is fixedly connected with the intermediate layer (2), the upper surface of the intermediate layer (2) is fixedly connected with the covering layer (3), the lower bottom layer (1) includes the base layer (4), the upper surface of the base layer (4) is fixedly connected with the diffusion prevention layer (5), the side of the diffusion prevention layer (5) away from the base layer (4) is fixedly connected with the alkaline layer (6); The intermediate layer (2) includes the hydrosol layer (7), the upper surface of the hydrosol layer (7) is fixedly connected with the colorant layer (8), the side of the colorant layer (8) away from the hydrosol layer (7) is fixedly connected with the active agent control layer (9), the covering layer (3) includes the film adhesive layer (10) and the release auxiliary layer (11), the upper surface of the film adhesive layer (10) is fixedly connected with the release auxiliary layer (11).

2. The dissolvable transfer paper of claim 1, wherein, The side of the alkaline layer (6) away from the diffusion prevention layer (5) is fixedly connected with the hydrosol layer (7), the inside of the hydrosol layer (7) is a three-dimensional network structure, and the hydrosol layer (7) is made of a water-absorbing polyvinyl alcohol material.

3. The dissolvable transfer paper of claim 1, wherein, The inside of the alkaline layer (6) is filled with a corrosion-resistant material, the corrosion-resistant material is an amorphous polyester resin, and the alkaline layer (6) is composed of calcium carbonate.

4. The dissolvable transfer paper of claim 1, wherein, The side of the active agent control layer (9) away from the colorant layer (8) is fixedly connected with the film adhesive layer (10), the film adhesive layer (10) has solubility, and the inside of the colorant layer (8) is combined by polyurethane to form a porous ink absorption structure.

5. The dissolvable transfer paper of claim 1, wherein, The active agent control layer (9) is composed of sodium alginate with water-soluble polymer material, and the surface of the active agent control layer (9) is uniformly coated with surfactant polyethylene glycol.

6. The dissolvable transfer paper of claim 1, wherein, The upper surface of the release auxiliary layer (11) is fixedly connected with the coating layer (12), and the release auxiliary layer (11) is made of hydroxypropyl cellulose with water-soluble polymer.

7. The dissolvable transfer paper of claim 6, wherein, The outside of the coating layer (12) is provided with a pressure angle (13), and the pressure angle (13) has four and is uniformly distributed at the four corners of the coating layer (12).

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