阅读说明：本技术 一种用于含棉面料的数码印染纸及其制备方法 (Digital printing and dyeing paper for cotton-containing fabric and preparation method thereof ) 是由 张彪 于 2020-11-12 设计创作，主要内容包括：本发明提供一种用于含棉面料的数码印染纸及其制备方法,包括具有良好印染效果及抗皱性能的数码印染纸本体,数码印染纸本体包括具有防尘和隔绝空气的功能离型膜,离型膜贴附于印染涂层表面,印染涂层印刷于基纸的表面；印染涂层由依次印刷的吸墨防护层、固色层、油墨层和卷纸遮盖层组成,吸墨防护层与离型膜相吸附,卷纸遮盖层印刷于基纸的表面,印染涂层的厚度为50-3000μm,本方案：由聚酰胺液,聚乙烯蜡,碳酸钙,水溶性转印油墨,二甲苯和异丙醇制成的油墨层使最终转印在织物表面的图案色彩更为均匀,着色更为高效,同时图案可以快速进行干燥,为棉质织物的大批量印染提供保障,提高企业的生产效能。(The invention provides a digital printing and dyeing paper for a cotton-containing fabric and a preparation method thereof, and the digital printing and dyeing paper comprises a digital printing and dyeing paper body with good printing and dyeing effect and crease resistance, wherein the digital printing and dyeing paper body comprises a dustproof and air-isolating functional release film, the release film is attached to the surface of a printing and dyeing coating, and the printing and dyeing coating is printed on the surface of base paper; the printing and dyeing coating covers the layer by the blotting inoxidizing coating, the solid colour layer, printing ink layer and the stock form that prints in proper order and constitutes, and the blotting inoxidizing coating adsorbs mutually with leaving the type membrane, and the stock form covers the surface of layer printing in base paper, and the thickness of printing and dyeing coating is 50-3000 mu m, this scheme: by polyamide liquid, low molecular weight polyethylene, calcium carbonate, water-soluble rendition printing ink, the printing ink layer that xylene and isopropyl alcohol were made makes the final rendition more even in the pattern color on fabric surface, and it is more high-efficient to dye, and the pattern can be dried fast simultaneously, provides the guarantee for the large batch printing and dyeing of cotton fabric, improves the production efficiency of enterprise.)

1. The digital printing and dyeing paper for the cotton-containing fabric is characterized by comprising a digital printing and dyeing paper body (1) with good printing and dyeing effect and crease resistance, wherein the digital printing and dyeing paper body (1) comprises a dustproof and air-isolated functional release film (11), the release film (11) is attached to the surface of a printing and dyeing coating (10), and the printing and dyeing coating (10) is printed on the surface of base paper (12);

the printing and dyeing coating (10) is composed of an ink absorption protective layer (101), a color fixing layer (102), an ink layer (103) and a roll paper covering layer (104) which are sequentially printed, the ink absorption protective layer (101) is adsorbed to a release film (11), the roll paper covering layer (104) is printed on the surface of base paper (12), and the thickness of the printing and dyeing coating (10) is 50-3000 mu m.

2. The digital printing and dyeing paper for cotton containing fabric according to claim 1, characterized in that: the ink absorption protective layer (101) is prepared by mixing cellulose, phenolic resin and lime rosin according to a certain mass ratio, meanwhile, in order to avoid bubbles generated in the printing and dyeing process, a defoaming agent made of a foam breaking polymer and an organic siloxane mixture is added into the ink absorption protective layer (101), and the thickness of the ink absorption protective layer (101) is 4-280 mu m.

3. The digital printing and dyeing paper for cotton containing fabric according to claim 1, characterized in that: the solid color layer (102) is formed by coating the lower surface of the ink absorption protective layer (101) after crystal-end nano titanium dioxide is subjected to inorganic or organic treatment, and the thickness of the solid color layer (102) is 4-280 mu m.

4. The digital printing and dyeing paper for cotton containing fabric according to claim 1, characterized in that: the ink layer (103) is formed by mixing polyamide liquid, polyethylene wax, calcium carbonate, water-soluble transfer ink, xylene and isopropanol and then coating the mixture on the white surface of the roll paper covering layer (104) through a coating machine, and the thickness of the ink layer (103) is 6-10 mu m.

5. The digital printing and dyeing paper for cotton containing fabric according to claim 1, characterized in that: the roll paper covering layer (104) is a white polyurethane film which is precisely printed on the base paper (12) for many times, and the thickness of the polyurethane film is 4-280 mu m.

6. The digital printing and dyeing paper for cotton containing fabric according to claim 1, characterized in that: base paper (12) are made by the waste paper pulp of recovery, and base paper (12) are when the shaping, and the middle part is pressed from both sides and is equipped with that the surface is latticed bamboo fibre and presss from both sides paper (121), the back of base paper (12) still prints the scale mark (122) that the personnel of being convenient for cut out practicality to digital printing and dyeing paper body (1).

7. A method for preparing a digital printing and dyeing paper for a cotton-containing fabric, which comprises the steps of preparing the digital printing and dyeing paper for the cotton-containing fabric according to any one of claims 1 to 6, and is characterized in that: the method specifically comprises the following steps:

s1, preparing a release film (11);

s2, preparing environment-friendly base paper (12);

s3, sequentially coating a roll paper covering layer (104), a color fixing layer (102) and an ink absorption protective layer (101) on the surface of the base paper (12) to form a printing and dyeing coating (10);

s4, attaching the release film (11) and the ink absorption protective layer (101) to form the digital printing and dyeing paper finally;

and S5, cutting the digital printing and dyeing paper and packaging.

8. The method for preparing the digital printing and dyeing paper containing the cotton fabric according to the claim 7 is characterized in that: the preparation of the release film (11) in the step S1 comprises the following steps:

firstly, preparing a parting agent;

cutting a PET base film with the same size as the finished digital printing and dyeing paper;

thirdly, coating a parting agent on the base film by using a coating machine to finally form a parting film (11), wherein the coating thickness of the parting agent is less than 5 mu m.

9. The method for preparing the digital printing and dyeing paper containing the cotton fabric according to the claim 7 is characterized in that: and after the base paper (12) is prepared in the step S2, printing scale marks (122) on the back side of the base paper (12) by using a printer.

10. The method for preparing the digital printing and dyeing paper containing the cotton fabric according to the claim 7 is characterized in that: the ink layer (103) in the step S3 comprises the following components in percentage by weight: 28% of polyamide liquid (35%), 3% of polyethylene wax, 8% of calcium carbonate, 30% of water-soluble transfer ink, 17% of xylene and 14% of isopropanol.

Technical Field

The invention belongs to the technical field of cotton fabric printing and dyeing, and particularly relates to digital printing and dyeing paper for cotton fabric and a preparation method thereof.

Background

The thermal sublimation transfer printing method is characterized in that a special printing dye is printed on digital printing and dyeing paper in a printing mode, and the dye is transferred to a fabric through heating and pressurizing. Specifically, the method comprises the steps of selecting a disperse dye with a sublimation temperature range of 180-240 ℃ according to the sublimation characteristic of the disperse dye, mixing the disperse dye with sizing agent to prepare color ink, printing the color ink on digital printing and dyeing paper according to different patterns and pattern requirements, closely contacting the thermal sublimation digital printing and dyeing paper printed with the patterns and the patterns with a fabric, treating the paper on a transfer printing machine with a temperature of 200-230 ℃ for 10-30s, transferring the dye from the thermal sublimation transfer printing paper to the fabric, and allowing the dye to enter the fabric through diffusion to achieve the purpose of coloring.

The digital printing and dyeing paper used in the current market has the following defects when the cotton fabric is transferred:

(1) when the traditional digital printing and dyeing paper is used for printing, the base paper is very easy to wrinkle, and meanwhile, when the digital printing and dyeing paper is placed on the surface of a fabric, the digital printing and dyeing paper is very difficult to position, and is easy to shift during printing and dyeing, so that the quality of pattern transfer printing is influenced, the qualification rate of finished cotton fabrics is reduced, and certain loss is brought to enterprise production;

(2) when the traditional digital printing and dyeing paper is used for printing and dyeing cotton fabrics, the printed and dyed pattern color saturation is lower, larger colors exist with a design plate, and meanwhile, the drying time of ink transferred to the surfaces of the fabrics is longer, so that the printing and dyeing paper is not beneficial to large-batch quick transfer printing processing of the cotton fabrics.

Disclosure of Invention

The invention aims to provide digital printing and dyeing paper for cotton-containing fabric and a preparation method thereof, and aims to solve the problem that the traditional digital printing and dyeing paper in the prior art has poor printing and dyeing effect when used for cotton fabric transfer printing and dyeing.

In order to achieve the purpose, the invention provides the following technical scheme: the digital printing and dyeing paper for the cotton-containing fabric comprises a digital printing and dyeing paper body with good printing and dyeing effect and crease resistance, wherein the digital printing and dyeing paper body comprises a release film with dust prevention and air isolation functions, the release film is attached to the surface of a printing and dyeing coating, and the printing and dyeing coating is printed on the surface of base paper;

the printing and dyeing coating comprises an ink absorption protective layer, a color fixing layer, an ink layer and a paper roll covering layer which are sequentially printed, wherein the ink absorption protective layer is adsorbed to a release film, the paper roll covering layer is printed on the surface of base paper, and the thickness of the printing and dyeing coating is 50-3000 micrometers.

In order to realize rapid drying of the ink after transfer and prevent the formation of bubbles, it is preferable that the ink absorption protective layer is prepared by mixing cellulose, phenolic resin and lime rosin according to a certain mass ratio, and in order to avoid bubbles generated in the printing and dyeing process, an antifoaming agent made of a mixture of a foam breaking polymer and an organosilicon fluorocarbon is added in the ink absorption protective layer, and the thickness of the ink absorption protective layer is 4-280 μm.

In order to realize fixation of the transferred ink, as a preferable mode of the invention, the color fixing layer is formed by coating the surface of the ink absorption protective layer after inorganic or organic treatment of crystal-end nano titanium dioxide, and the thickness of the color fixing layer is 4-280 μm.

In order to achieve better color saturation and rapid drying of the ink, the ink layer is preferably formed by mixing polyamide liquid, polyethylene wax, calcium carbonate, water-soluble transfer ink, dimethylbenzene and isopropanol and then coating the mixture on the white surface of the roll paper covering layer through a coating machine, and the thickness of the ink layer is 6-10 μm.

In order to protect and coat the ink layer in the digital printing and dyeing paper, as a preferable mode of the invention, the roll paper covering layer is a white polyurethane film which is precisely printed on the base paper for many times, and the thickness of the polyurethane film is 4-280 μm.

In order to make the digital printing and dyeing paper have better environmental protection, as a preferable mode of the invention, the base paper is made of recycled waste paper pulp, and when the base paper is molded, the middle part of the base paper is clamped with bamboo fiber paper with a latticed surface, and the back surface of the base paper is also printed with scale marks which are convenient for personnel to cut the digital printing and dyeing paper body for practical use.

A preparation method of the digital printing and dyeing paper for the cotton-containing fabric comprises the following steps of:

s1, preparing a release film;

s2, preparing environment-friendly base paper;

s3, sequentially coating a roll paper cover layer, a color fixing layer and an ink absorption protective layer on the surface of the base paper to form a printing and dyeing coating;

s4, attaching the release film and the ink absorption protective layer to finally form the digital printing and dyeing paper;

and S5, cutting the digital printing and dyeing paper and packaging.

In order to allow the release film to be rapidly manufactured, as a preferable aspect of the present invention, the preparation of the release film in the step S1 includes the steps of:

firstly, preparing a parting agent;

cutting a PET base film with the same size as the finished digital printing and dyeing paper;

thirdly, coating a parting agent on the base film by using a coating machine to finally form a parting film, wherein the coating thickness of the parting agent is less than 5 mu m.

In order to make the digital printing and dyeing paper have the scale marks, it is preferable that the scale marks are printed on the back surface of the base paper by using a printer after the base paper is prepared in the step S2.

In order to rapidly prepare the ink layer, as a preferable aspect of the present invention, the ink layer in the step S3 comprises the following components in percentage by weight: 28% of polyamide liquid (35%), 3% of polyethylene wax, 8% of calcium carbonate, 30% of water-soluble transfer ink, 17% of xylene and 14% of isopropanol.

Compared with the prior art, the invention has the beneficial effects that:

1) the environment-friendly performance of waterless digital printing and dyeing can be further improved by recycling waste materials by utilizing the base paper made by secondary processing of waste paper, and the bamboo fiber sandwich paper is added in the manufacturing process of the base paper, so that the edge of the digital printing and dyeing paper can not bulge when the pattern is heated and transferred, and the digital printing and dyeing paper is prevented from wrinkling;

2) the release film can protect the ink layer in the digital printing and dyeing paper, so that the ink is prevented from being oxidized, the coloring quality of cotton fabric in the later period is influenced, the ink absorption protective layer is arranged, the ink can be quickly dried after the digital printing and dyeing paper prints and dyes the fabric, and the color fixing layer is arranged in the heating and transfer process, so that the digital printing and dyeing paper fixes the color of the transfer ink colored on the surface of the fabric, the saturation degree of the pattern is ensured, the transferred pattern has better gloss and the quality of the cotton fabric finished product is improved;

3) by polyamide liquid, low molecular weight polyethylene, calcium carbonate, water-soluble rendition printing ink, the printing ink layer that xylene and isopropyl alcohol were made makes the final rendition more even in the pattern color on fabric surface, and it is more high-efficient to dye, and the pattern can be dried fast simultaneously, provides the guarantee for the large batch printing and dyeing of cotton fabric, improves the production efficiency of enterprise.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the base paper of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a digital printing and dyeing paper body; 10. printing and dyeing the coating; 101. ink absorption protective layer; 102. a color fixing layer; 103. an ink layer; 104. a roll paper cover layer; 11. a release film; 12. base paper; 121. sandwiching paper by bamboo fiber; 122. and (5) scale marking.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a digital printing and dyeing paper for cotton-containing fabric comprises a digital printing and dyeing paper body 1 with good printing and dyeing effect and crease resistance, wherein the digital printing and dyeing paper body 1 comprises a release film 11 with dust prevention and air isolation functions, the release film 11 is attached to the surface of a printing and dyeing coating 10, and the printing and dyeing coating 10 is printed on the surface of base paper 12;

in this embodiment: the printing and dyeing coating 10 consists of an ink absorption protective layer 101, a color fixing layer 102, an ink layer 103 and a roll paper covering layer 104 which are sequentially printed, wherein the ink absorption protective layer 101 is adsorbed with a release film 11, the roll paper covering layer 104 is printed on the surface of base paper 12, and the thickness of the printing and dyeing coating 10 is 50-3000 microns.

Specifically, a coating machine is used for coating and manufacturing a roll paper covering layer 104, an ink layer 103, a color fixing layer 102 and an ink absorption protective layer 101 of the printing and dyeing coating 10 on the surface of the base paper 12 in sequence, wherein the thickness of the printing and dyeing coating 10 can be controlled at 100 micrometers, the printing and dyeing coating can be prevented from being dried and cracked, meanwhile, the ink layer 103 in the printing and dyeing coating 10 can smoothly transfer cotton cloth, in the coating process, the printing and dyeing coating 10 can be processed in a dustless and constant-temperature workshop, and the quality of the finally formed printing and dyeing coating 10 is ensured.

In this embodiment: the ink absorption protective layer 101 is prepared by mixing cellulose, phenolic resin and lime rosin according to a certain mass ratio, meanwhile, in order to avoid bubbles generated in the printing and dyeing process, a defoaming agent made of a mixture of a bubble breaking polymer and an organic silane fluorine alkane is added into the ink absorption protective layer 101, and the thickness of the ink absorption protective layer 101 is 4-280 mu m.

Specifically, the content of the phenolic resin in the ink absorption protective layer 101 is 20-30%, the phenolic resin is melted into 10-20% of lime rosin and 5-15% of cellulose solvent, the mixture of the foam breaking polymer and the organosilyl fluoroalkyl is added to prepare the defoaming agent with the content of 1-1.9%, the mixed solution is stirred by a stirring machine, the heating temperature is 40-60 ℃ during stirring, and after uniform mixing, the coating is carried out by a coating machine.

In this embodiment: the color fixing layer 102 is formed by coating the lower surface of the ink absorption protective layer 101 after crystal-luster nano titanium dioxide is subjected to inorganic or organic treatment, and the thickness of the color fixing layer 102 is 4-280 mu m.

Specifically, 3% of crystal-modified nano titanium dioxide powder is added into a 10% resin and 1% xylene solution, the resin and the xylene solution are stirred, and then a color fixing layer 102 is formed by coating with a coating machine, so that the ink layer 103 fixes the color of the ink after heating and transfer printing, and the color saturation of the transferred pattern are ensured.

In this embodiment: the ink layer 103 is formed by mixing polyamide liquid, polyethylene wax, calcium carbonate, water-soluble transfer ink, xylene and isopropanol and then coating the mixture on the white surface of the roll paper covering layer 104 through a coating machine, and the thickness of the ink layer 103 is 6-10 mu m.

Specifically, the ink layer 103 is prepared by coating a mixture of polyamide liquid, polyethylene wax, calcium carbonate, water-soluble transfer ink, xylene and isopropanol, so that the ink layer 103 has the performance of quick drying and high color transfer saturation, and the thickness is controlled to be 6-10 μm, thereby effectively preventing the ink layer 103 and the transferred pattern from cracking.

In this embodiment: the roll paper cover layer 104 is a white polyurethane film which is precisely printed on the base paper 12 for many times, and the thickness of the polyurethane film is 4-280 μm.

Specifically, the roll paper covering layer 104 is formed on the surface of the base paper 12 by printing polyurethane through a silk-screen printing technology, so that the overall structural strength of the base paper 12 is enhanced, and the printing and dyeing coating 10 can be well protected.

In this embodiment: the base paper 12 is made of recycled waste paper pulp, and when the base paper 12 is molded, the middle portion of the base paper 12 is clamped with the bamboo fiber paper 121 with the surface being latticed, and the back of the base paper 12 is printed with scale marks 122 which are convenient for personnel to cut the digital printing and dyeing paper body 1.

Specifically, utilize waste paper to process into paper pulp, can carry out secondary recycle to the wastes material, accord with the sustainable development's of green concept, simultaneously at the fashioned in-process day machine one stratiform bamboo fibre of base paper 12 double-layered paper 121, can be in straight state after the heating for base paper 12, prevent that the fold from appearing at the in-process of rendition in the digital printing and dyeing paper, ensure the quality of rendition.

A preparation method of the digital printing and dyeing paper for the cotton-containing fabric comprises the following steps of:

s1, preparing a release film 11;

s2, preparing the environment-friendly base paper 12;

s3, sequentially coating a roll paper covering layer 104, a color fixing layer 102 and an ink absorption protective layer 101 on the surface of the base paper 12 to form a printing and dyeing coating 10;

s4, attaching the release film 11 and the ink absorption protective layer 101 to finally form the digital printing and dyeing paper;

and S5, cutting the digital printing and dyeing paper and packaging.

In this embodiment: the preparation of the release film 11 in the step S1 includes the following steps:

firstly, preparing a release agent, selecting low-viscosity transparent resin with release property, film-forming property and adhesiveness, and paying attention to viscosity control in the coating process because the solvent in the release agent is high in volatilization speed, namely controlling the solid content of the release agent, wherein the solid content is generally controlled to be about 23 percent, and paying attention to the transparency of the release agent if the solid content is lower than 19 percent;

cutting a PET base film with the same size as the finished digital printing and dyeing paper, wherein the PET base film has good dimensional stability and uniform tension, the specifications of the film such as width, thickness and mark are selected according to the requirements of manufacturers, and the specifications are as follows: when the base film is selected, firstly, the flatness of the film is checked, and whether the tube material has protruding ribs, lotus leaves and other conditions which do not meet the quality requirement is checked;

thirdly, coating a release agent on the base film by using a coating machine to finally form a release film 11, wherein the coating thickness of the release agent is less than 5 microns, so that the release film 11 can be smoothly attached to the surface of the ink absorption protective layer 101.

In the present embodiment, after the preparation of the base paper 12 in the step S2 is completed, the scale markings 122 are printed on the back surface of the base paper 12 by using a printer.

Specifically, the ink in which the scale markings 122 are printed is a high temperature resistant ink.

In this embodiment: the ink layer 103 in the step S3 comprises the following components in percentage by weight: 35% of polyamide liquid 28%, 3% of polyethylene wax, 8% of calcium carbonate, 30% of water-soluble transfer printing ink, 17% of xylene and 14% of isopropanol.

Specifically, the manufacturing cost of the ink layer 103 can be further reduced while the ink layer 103 is ensured to have better color glossiness and color saturation after transfer, and the ink layer 103 has quick drying and anti-cracking performance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.