阅读说明：本技术 一种酸性墨水转移印花膜及利用其转移印花的印花方法 (Acid ink transfer printing film and printing method for transfer printing by using same ) 是由 周新光 于 2019-12-02 设计创作，主要内容包括：本发明公开了一种酸性墨水转移印花膜及利用其转移印花的印花方法,包括由上而下依次设置的基底层和油墨层,所述基底层和所述油墨层之间粘结有背胶；油墨层的配方中,按照重量分数计,包括：聚乙烯2.5～6、聚乙烯醇0.8～5、离型剂1～2.5、水性二氧化硅1.5～23、交联剂5～15、水性聚氨酯1.2～26、聚海藻酸钠2.5～40、聚乙烯醇缩丁醛5～26和去离子水6～60；所述聚乙烯醇为呈白色片状的有机化合物,溶于水；所述聚乙烯醇PH值的范围为5～8,熔点为230℃。其能够实现快速印花,酸性墨水转移印花膜使用寿命更长,吸湿性好,不易变形,印花完成后色牢度高,且印花的寿命长。(The invention discloses an acid ink transfer printing film and a printing method using the same for transfer printing, wherein the acid ink transfer printing film comprises a base layer and an ink layer which are sequentially arranged from top to bottom, and gum is bonded between the base layer and the ink layer; the formula of the ink layer comprises the following components in parts by weight: 2.5-6 parts of polyethylene, 0.8-5 parts of polyvinyl alcohol, 1-2.5 parts of a release agent, 1.5-23 parts of water-based silicon dioxide, 5-15 parts of a cross-linking agent, 1.2-26 parts of water-based polyurethane, 2.5-40 parts of poly sodium alginate, 5-26 parts of polyvinyl butyral and 6-60 parts of deionized water; the polyvinyl alcohol is a white flaky organic compound and is dissolved in water; the pH value of the polyvinyl alcohol ranges from 5 to 8, and the melting point of the polyvinyl alcohol is 230 ℃. The acid ink transfer printing film can realize quick printing, has longer service life, good hygroscopicity, difficult deformation, high color fastness after printing is finished, and long service life of printing.)

1. An acid ink transfer printed film comprising: the ink comprises a base layer and an ink layer which are sequentially arranged from top to bottom, wherein a back adhesive is bonded between the base layer and the ink layer; the formula of the ink layer comprises the following components in parts by weight:

wherein, the polyvinyl alcohol is a white flaky organic compound, is soluble in water and insoluble in gasoline; the pH value of the polyvinyl alcohol is 5-8, the dissolving temperature of the polyvinyl alcohol is 75-80 ℃, the melting point of the polyvinyl alcohol is 230 ℃, and the polyvinyl alcohol can change color and embrittle after being heated to 100 ℃ in air; the polyvinyl butyral is a white powdery solid, is odorless and tasteless, is dissolved in water to form a transparent solution, and has a relative density of 1.08-1.10; the polyvinyl butyral can be dissolved in solvents such as ethanol, ketones, water and the like.

2. The acid ink transfer printed film of claim 1 wherein the crosslinking agent comprises dicumyl peroxide, benzoyl peroxide, di-t-butyl peroxide, and dicumyl peroxide.

3. The acid ink transfer printed film of claim 2 wherein the ink layer is prepared by the steps comprising:

step one, weighing each component based on the formula of the ink layer to obtain raw materials;

stirring the polyvinyl alcohol, and adding deionized water at room temperature while stirring; after uniformly dispersing polyvinyl alcohol in the deionized water, heating the deionized water to 75-80 ℃, and continuing stirring until the polyvinyl alcohol is completely dissolved in the deionized water to obtain a solution A;

step three, adding the solution A prepared in the step two into a stainless steel dissolving kettle, adding polyethylene and polyvinyl butyral into the stainless steel dissolving kettle, and stirring at a stirring speed of 60-90 rpm; after the dispersion is uniform, stopping stirring; keeping a certain temperature, filtering the uniformly stirred mixture, and naturally cooling to room temperature; obtaining a mixture B;

step four, putting the mixture B obtained in the step three into a triangular flask; sequentially adding the following components into the Erlenmeyer flask: water-based silicon dioxide, water-based polyurethane and poly sodium alginate; heating the triangular flask in a water bath at a constant temperature, controlling the temperature to be 45-60 ℃, stirring the mixture in the triangular flask at a high speed for 30-60 min, standing the triangular flask for 10-30 min after stirring is finished, and discharging to obtain a mixture C; adding a proper amount of release agent and crosslinking agent into the mixture C, and fully mixing to obtain the ink layer;

and step five, performing performance analysis on the prepared ink layer.

4. A printing method for transfer printing by utilizing an acid ink transfer printing film is characterized by comprising the following steps:

s1: coating a stripping layer on the prepared acid ink transfer printing film, and uniformly coating printing slurry on the stripping layer; drying the printing paste to be transferred on the stripping layer; moistening the acid ink transfer printing film by using an aqueous surface tension lifting liquid for 5-15 min;

s2: heating the fabric to be printed to 70-80 ℃; printing the heated fabric to be printed by adopting a thermal sublimation transfer printing method; contacting one surface of the acid ink transfer printing film coated with the printing paste with a fabric to be printed; the temperature of transfer printing in the thermal sublimation transfer printing is 160-175 ℃;

s3: and the stripping layer is stripped from the acid ink transfer printing film, the stripped blank acid ink transfer printing film is rolled, and the printed fabric is subjected to reduction cleaning, color fixing and baking.

Technical Field

The invention relates to printing, in particular to an acid ink transfer printing film and a printing method by using the same for transfer printing.

Background

With the continuous improvement of living standard and the technological progress, people have higher and higher requirements on textile fabrics, and the fabrics not only have the advantages of high softness, good comfort and the like, but also have the requirements on decoration and aesthetic property to a certain extent.

At present, the existing transfer printing method in the market is simpler, transfer paper is usually adopted for printing and transferring, and common transfer paper generally has poor hygroscopicity and is easy to cause color ink color lapping; traditional transfer printing paper is carrying out a biquadratic shift stamp after, transfer printing paper can take place to warp to need to change transfer printing paper once more, life is short and extravagant material resources and financial resources.

Therefore, the acid ink transfer printing film and the printing method using the same are needed to be designed, so that the acid ink transfer printing film can realize rapid printing, the acid ink transfer printing film has longer service life, good hygroscopicity and difficult deformation, the color fastness is high after printing is finished, and the printing service life is long.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an acid ink transfer printing film and a printing method using the same, which can realize quick printing, and the acid ink transfer printing film has the advantages of longer service life, good hygroscopicity, difficult deformation, high color fastness after printing and longer printing service life.

In order to solve the technical problems, the invention provides an acid ink transfer printing film and a printing method using the same for transfer printing, which comprises the following steps of 1: the ink comprises a base layer and an ink layer which are sequentially arranged from top to bottom, wherein a back adhesive is bonded between the base layer and the ink layer; the formula of the ink layer comprises the following components in parts by weight: 2.5-6 parts of polyethylene, 0.8-5 parts of polyvinyl alcohol, 1-2.5 parts of a release agent, 1.5-23 parts of water-based silicon dioxide, 5-15 parts of a cross-linking agent, 1.2-26 parts of water-based polyurethane, 2.5-40 parts of poly sodium alginate, 5-26 parts of polyvinyl butyral and 6-60 parts of deionized water; wherein, the polyvinyl alcohol is a white flaky organic compound, is soluble in water and insoluble in gasoline; the pH value of the polyvinyl alcohol is 5-8, the dissolving temperature of the polyvinyl alcohol is 75-80 ℃, the melting point of the polyvinyl alcohol is 230 ℃, and the polyvinyl alcohol can change color and embrittle after being heated to 100 ℃ in air; the polyvinyl butyral is a white powdery solid, is odorless and tasteless, is dissolved in water to form a transparent solution, and has a relative density of 1.08-1.10; the polyvinyl butyral can be dissolved in solvents such as ethanol, ketones, water and the like.

Preferably, the crosslinking agent includes dicumyl peroxide, benzoyl peroxide, di-t-butyl peroxide and dicumyl hydroperoxide.

Preferably, the preparation step of the ink layer comprises the following steps:

step one, weighing each component based on the formula of the ink layer to obtain raw materials;

stirring the polyvinyl alcohol, and adding deionized water at room temperature while stirring; after uniformly dispersing polyvinyl alcohol in the deionized water, heating the deionized water to 75-80 ℃, and continuing stirring until the polyvinyl alcohol is completely dissolved in the deionized water to obtain a solution A;

step three, adding the solution A prepared in the step two into a stainless steel dissolving kettle, adding polyethylene and polyvinyl butyral into the stainless steel dissolving kettle, and stirring at a stirring speed of 60-90 rpm; after the dispersion is uniform, stopping stirring; keeping a certain temperature, filtering the uniformly stirred mixture, and naturally cooling to room temperature; obtaining a mixture B;

step four, putting the mixture B obtained in the step three into a triangular flask; sequentially adding the following components into the Erlenmeyer flask: water-based silicon dioxide, water-based polyurethane and poly sodium alginate; heating the triangular flask in a water bath at a constant temperature, controlling the temperature to be 45-60 ℃, stirring the mixture in the triangular flask at a high speed for 30-60 min, standing the triangular flask for 10-30 min after stirring is finished, and discharging to obtain a mixture C; adding a proper amount of release agent and crosslinking agent into the mixture C, and fully mixing to obtain the ink layer;

and step five, performing performance analysis on the prepared ink layer.

A printing method for transfer printing by utilizing an acid ink transfer printing film is characterized by comprising the following steps:

s1: coating a stripping layer on the prepared acid ink transfer printing film, and uniformly coating printing slurry on the stripping layer; drying the printing paste to be transferred on the stripping layer; moistening the acid ink transfer printing film by using an aqueous surface tension lifting liquid for 5-15 min;

s2: heating the fabric to be printed to 70-80 ℃; printing the heated fabric to be printed by adopting a thermal sublimation transfer printing method; contacting one surface of the acid ink transfer printing film coated with the printing paste with a fabric to be printed; the temperature of transfer printing in the thermal sublimation transfer printing is 160-175 ℃;

s3: and the stripping layer is stripped from the acid ink transfer printing film, the stripped blank acid ink transfer printing film is rolled, and the printed fabric is subjected to reduction cleaning, color fixing and baking.

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

1. according to the acid ink transfer printing film, the cross-linking agent is added, so that the tensile strength, the tearing strength and the resilience of the printing film are improved; the elongation and permanent deformation performance of the printed film are reduced, and the dimensional stability and chemical resistance at high temperature are improved; so that the performance of the printed film is better.

2. The invention improves the process method, and solves the problems that the mixing degree of the components is not good, the impurities are too much, the covering effect is not good when the components contact the surface of the fabric and the like in the preparation process of the traditional transfer printing film; the acid ink transfer printing film has stable performance and long service life.

3. According to the invention, the fabric subjected to transfer printing is subjected to color fixing and baking, so that the coloring speed can be increased, the printing is not easy to fall off, and the time for the printing to stay on the fabric is longer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Comparative example

In comparative example, an acid ink transfer printed film was obtained without addition of a crosslinking agent, and the formulation is shown in table 1.

Table 1 formulation of comparative examples

The ultraviolet-resistant flame-retardant multifunctional coating fabric finishing agent is prepared by different proportions of the components, and through performance tests, when the formula is as follows: 5 parts of polyethylene, 1.5 parts of polyvinyl alcohol, 2.5 parts of a release agent, 20 parts of water-based silicon dioxide, 15 parts of water-based polyurethane, 30 parts of poly sodium alginate, 10 parts of polyvinyl butyral and 20 parts of deionized water, the comprehensive performance of the acid ink transfer printing film is best.

Therefore, in the following examples, 20 parts of deionized water is taken as an example.