阅读说明：本技术 一种印刷油墨、其制备方法与应用 (Printing ink, preparation method and application thereof ) 是由 孙永军 孙永健 张海平 李昌华 于 2020-12-25 设计创作，主要内容包括：本发明提供一种印刷油墨、其制备方法与应用。该印刷油墨包括各组分以及各组分含量如下：无机染料10～20份、植物油20～30份、填料5～20份、附加料5～15份、助剂3～5份以及溶剂水；其中,所述无机染料选自硫酸盐、硅酸盐和磷酸盐中的至少一种。本申请提供的一种印刷油墨采用水作为溶剂,植物油作为连接剂、无机染料作为染料,在制备过程中不产生对环境有影响的VOC气体,且制备方法简单易行是一种绿色环保工艺。本申请制得的印刷油墨具有易着色、易分散以及易干燥的特点,是一种绿色无污染的印刷油墨。(The invention provides printing ink, a preparation method and application thereof. The printing ink comprises the following components in percentage by weight: 10-20 parts of inorganic dye, 20-30 parts of vegetable oil, 5-20 parts of filler, 5-15 parts of additive, 3-5 parts of auxiliary agent and solvent water; wherein the inorganic dye is selected from at least one of sulfate, silicate and phosphate. The printing ink provided by the application adopts water as a solvent, vegetable oil as a connecting agent and inorganic dye as a dye, and does not generate VOC gas which affects the environment in the preparation process, and the preparation method is simple and easy to implement and is a green and environment-friendly process. The printing ink prepared by the method has the characteristics of easy coloring, easy dispersion and easy drying, and is green and pollution-free printing ink.)

1. The printing ink is characterized by comprising the following components in percentage by weight:

10-20 parts of an inorganic dye;

20-30 parts of vegetable oil;

5-20 parts of a filler;

5-15 parts of additives;

3-5 parts of an auxiliary agent and solvent water;

wherein the inorganic dye is selected from at least one of sulfate, silicate and phosphate.

2. The printing ink of claim 1, wherein the vegetable oil is selected from at least one of peanut oil, soybean oil, and rapeseed oil.

3. The printing ink of claim 1, wherein the filler is selected from at least one of kaolin, diatomaceous earth, talc, glass powder, asbestos powder, and mica powder.

4. The printing ink of claim 1, comprising the following components in the following amounts: 20 parts of inorganic dye and 30 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 10 parts of water as a solvent.

5. The printing ink of claim 1, comprising the following components in the following amounts: 10 parts of inorganic dye and 20 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 30 parts of a solvent.

6. A process for preparing a printing ink according to any one of claims 1 to 5, characterized in that it comprises the following steps:

(1) providing 10-20 parts of inorganic dye of each substance according to the following mixture ratio; 20-30 parts of vegetable oil; 5-20 parts of a filler; 5-15 parts of additives; 3-5 parts of an auxiliary agent and solvent water;

(2) fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 20-40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 30-60 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

7. The method for preparing printing ink according to claim 6, wherein the time of the ball milling treatment is 3-5h, the temperature of the ball milling treatment is 20-30 ℃, and the rotating speed of the ball milling treatment is 3000-.

8. The method for preparing a printing ink according to claim 6, wherein the dropping speed is 10-15 d/min.

9. Use of a printing ink according to claims 1 to 5 or a printing ink prepared according to any of claims 6 to 8 for packaging.

10. Use according to claim 9, wherein the printing ink is used in a take-away package.

Technical Field

The application relates to printing ink, in particular to printing ink, a preparation method thereof and application thereof in food packaging, and belongs to the field of printing ink.

Background

Ink is a substance used to form graphic and text information during printing, so the ink has different functions in printing, and directly determines the tone, color, definition and the like of an image on a printed matter. As printing, paper, and other requirements become higher, the technical requirements for inks also increase. Such as modern high-speed multicolor presses and color-based rotary presses, require that the ink dry at a rate of several seconds or even faster; also, for example, glass card and gold, silver card, coated paper require glossy inks; in the case of plastic films, it is desirable to have inks which bond well to the plastic film or adhere to the plastic film to the maximum extent possible.

However, in any printing ink, in the prior art, some organic solvents are added in the ink making process, so that the ink volatilizes VOC gas when in use, thereby affecting the environment and damaging the health of constructors, and therefore how to provide the printing ink with bright color, high drying speed and no pollution to the environment is a problem to be solved urgently.

Disclosure of Invention

The invention aims to provide printing ink, a preparation method and application thereof, so as to overcome the defects that VOC gas is volatilized when the printing ink is used, influence is caused on the environment, and the body health of a constructor is damaged in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:

a printing ink comprises the following components in percentage by weight:

10-20 parts of an inorganic dye;

20-30 parts of vegetable oil;

5-20 parts of a filler;

5-15 parts of additives;

3-5 parts of an auxiliary agent and solvent water;

wherein the inorganic dye is selected from at least one of sulfate, silicate and phosphate.

Optionally, the upper limit of the amount of the inorganic dye is selected from 12 parts, 14 parts, 16 parts, 18 parts and 20 parts; the lower limit of the amount of the inorganic dye is selected from 10 parts, 12 parts, 14 parts, 16 parts and 18 parts.

Optionally, the upper limit of the amount of the vegetable oil is selected from 22 parts, 24 parts, 26 parts, 28 parts, 30 parts; the lower limit of the amount of the vegetable oil is selected from 20 parts, 22 parts, 24 parts, 26 parts and 28 parts.

Optionally, the upper limit of the amount of the filler is selected from 10 parts, 15 parts, 20 parts; the lower limit of the amount of the filler is selected from 5 parts, 10 parts and 15 parts.

Optionally, the upper limit of the amount of the additive is selected from 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 12 parts and 15 parts; the lower limit of the amount of the additive is selected from 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts and 12 parts.

Optionally, the adjuvant is 3 parts.

Optionally, the adjuvant is 4 parts.

Optionally, the adjuvant is 5 parts.

Optionally, the vegetable oil is selected from at least one of peanut oil, soybean oil, rapeseed oil.

Optionally, the filler is selected from at least one of kaolin, diatomaceous earth, talc, glass powder, asbestos powder, and mica powder.

In a more specific embodiment, the components and the content of the components are 20 parts of inorganic dye and 30 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 10 parts of water as a solvent.

In a more specific embodiment, the components and the content of the components are 10 parts of inorganic dye and 20 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 30 parts of a solvent.

The preparation method of the printing ink comprises the following steps:

(1) providing 10-20 parts of inorganic dye of each substance according to the following mixture ratio; 20-30 parts of vegetable oil; 5-20 parts of a filler; 5-15 parts of additives; 3-5 parts of an auxiliary agent and solvent water;

(2) fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 20-40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 30-60 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Optionally, the time of the ball milling treatment is 3-5 h.

Optionally, the time of the ball milling treatment is 4 h.

Optionally, the temperature of the ball milling treatment is 20-30 ℃.

Optionally, the temperature of the ball milling process is 25 ℃.

Optionally, the rotation speed of the ball milling treatment is 3000-.

Optionally, the rotation speed of the ball milling treatment is 3500 r/min.

Optionally, the dropping speed is 10-15 d/min.

The printing ink is applied to the packaging box.

Optionally, the use of said printing ink in a take-away package.

The ink is prepared through mixing pigment, binder and various additives in certain proportion in an ink mixer into oily paste, and grinding in a roller mill or a roller mill repeatedly to disperse pigment in the binder homogeneously. However, regardless of the pigment, it is necessary to have good water resistance, to be quickly and uniformly bonded to a binder, and to have good acid, alkali, alcohol, heat resistance, and the like.

Compared with the prior art, the invention has the advantages that: the printing ink provided by the application adopts water as a solvent, vegetable oil as a connecting agent and inorganic dye as a dye, and does not generate VOC gas which affects the environment in the preparation process, and the preparation method is simple and easy to implement and is a green and environment-friendly process. The printing ink prepared by the method has the characteristics of easy coloring, easy dispersion and easy drying, and is green and pollution-free printing ink.

Detailed Description

In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.

A printing ink comprises the following components in percentage by weight:

10-20 parts of an inorganic dye;

20-30 parts of vegetable oil;

5-20 parts of a filler;

5-15 parts of additives;

3-5 parts of an auxiliary agent and solvent water;

wherein the inorganic dye is selected from at least one of sulfate, silicate and phosphate.

Optionally, the upper limit of the amount of the inorganic dye is selected from 12 parts, 14 parts, 16 parts, 18 parts and 20 parts; the lower limit of the amount of the inorganic dye is selected from 10 parts, 12 parts, 14 parts, 16 parts and 18 parts.

Optionally, the upper limit of the amount of the vegetable oil is selected from 22 parts, 24 parts, 26 parts, 28 parts, 30 parts; the lower limit of the amount of the vegetable oil is selected from 20 parts, 22 parts, 24 parts, 26 parts and 28 parts.

Optionally, the upper limit of the amount of the filler is selected from 10 parts, 15 parts, 20 parts; the lower limit of the amount of the filler is selected from 5 parts, 10 parts and 15 parts.

Optionally, the upper limit of the amount of the additive is selected from 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 12 parts and 15 parts; the lower limit of the amount of the additive is selected from 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts and 12 parts.

Optionally, the adjuvant is 3 parts.

Optionally, the adjuvant is 4 parts.

Optionally, the adjuvant is 5 parts.

Optionally, the vegetable oil is selected from at least one of peanut oil, soybean oil, rapeseed oil.

Optionally, the filler is selected from at least one of kaolin, diatomaceous earth, talc, glass powder, asbestos powder, and mica powder.

In a more specific embodiment, the components and the content of the components are 20 parts of inorganic dye and 30 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 10 parts of water as a solvent.

In a more specific embodiment, the components and the content of the components are 10 parts of inorganic dye and 20 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 30 parts of a solvent.

The preparation method of the printing ink comprises the following steps:

(1) providing 10-20 parts of inorganic dye of each substance according to the following mixture ratio; 20-30 parts of vegetable oil; 5-20 parts of a filler; 5-15 parts of additives; 3-5 parts of an auxiliary agent and solvent water;

(2) fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 20-40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 30-60 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Optionally, the time of the ball milling treatment is 3-5 h.

Optionally, the time of the ball milling treatment is 4 h.

Optionally, the temperature of the ball milling treatment is 20-30 ℃.

Optionally, the temperature of the ball milling process is 25 ℃.

Optionally, the rotation speed of the ball milling treatment is 3000-.

Optionally, the rotation speed of the ball milling treatment is 3500 r/min.

Optionally, the dropping speed is 10-15 d/min.

The printing ink is applied to the packaging box.

Optionally, the use of said printing ink in a take-away package.

The technical solution of the present invention is further explained below with reference to several examples.

The materials in the examples of the present invention are commercially available.

Example 1

(1) Providing each component of each substance according to the following mixture ratio, wherein the content of each component is 20 parts of inorganic dye and 30 parts of vegetable oil; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 10 parts of water as a solvent.

(2) Fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 30 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Example 2

(1) Providing 10-20 parts of inorganic dye of each substance according to the following mixture ratio; 20-30 parts of vegetable oil; 5-20 parts of a filler; 5-15 parts of additives; 3-5 parts of an auxiliary agent and solvent water;

(2) fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 20-40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 30-60 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Example 3

(1) Providing 10 parts of inorganic dye and 20 parts of vegetable oil according to the following mixture ratio; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 30 parts of a solvent.

(2) Fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 30 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 40 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Example 4

(1) Providing 10 parts of inorganic dye and 20 parts of vegetable oil according to the following mixture ratio; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 30 parts of a solvent.

(2) Fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 60 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

Example 5

(1) Providing 20 parts of inorganic dye and 30 parts of vegetable oil according to the following mixture ratio; 20 parts of a filler; 15 parts of additives; 5 parts of an auxiliary agent and 10 parts of solvent;

(2) fully stirring inorganic dye, vegetable oil and additional filler at the temperature of 40 ℃ until the inorganic dye, the vegetable oil and the additional filler are uniformly mixed, and performing ball milling treatment to obtain a mixed solution A;

(3) adding an auxiliary agent into the mixed solution A, and mechanically stirring and uniformly mixing at the temperature of 40 ℃ to prepare a mixed solution B;

(4) and dropwise adding solvent water into the mixed solution B, uniformly stirring, and standing for 24 hours for later use to prepare the printing ink.

The printing ink provided by the application adopts water as a solvent, vegetable oil as a connecting agent and inorganic dye as a dye, and does not generate VOC gas which affects the environment in the preparation process, and the preparation method is simple and easy to implement and is a green and environment-friendly process.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.