阅读说明：本技术 一种夜光印刷油墨及其制备方法 (Noctilucent printing ink and preparation method thereof ) 是由 徐小平 于 2021-01-21 设计创作，主要内容包括：本发明公开了一种夜光印刷油墨及其制备方法,包括以下重量份数的原料：无机颜料10-15份、硫酸钡2-5份、氢氧化铝2-5份、矿物油10-15份、树脂30-50份、干燥促进剂0.5-1份、抗氧剂0.5-1份、表面活性剂1-2份、分散剂0.5-1份、反胶化剂0.5-1份、荧光粉20-25份、紫外线吸收剂0.5-1份和添加剂0.5-1份。本发明夜光印刷油墨有效的增加了在夜间的发光效果,延长了其发光的时间,且通过在油墨中混合有硫酸钡、氢氧化铝、矿物油、树脂、干燥促进剂、抗氧剂、表面活性剂、分散剂、反胶化剂和紫外线吸收剂,使本发明的夜光印刷油墨有较快的干燥速度和良好的附着力,使夜光印刷油墨的整体稳定性较好,大大提高了夜光印刷油墨整体的性能。(The invention discloses a noctilucent printing ink and a preparation method thereof, wherein the noctilucent printing ink comprises the following raw materials in parts by weight: 10-15 parts of inorganic pigment, 2-5 parts of barium sulfate, 2-5 parts of aluminum hydroxide, 10-15 parts of mineral oil, 30-50 parts of resin, 0.5-1 part of drying accelerator, 0.5-1 part of antioxidant, 1-2 parts of surfactant, 0.5-1 part of dispersant, 0.5-1 part of anti-gelling agent, 20-25 parts of fluorescent powder, 0.5-1 part of ultraviolet absorbent and 0.5-1 part of additive. The noctilucent printing ink effectively increases the luminous effect at night, prolongs the luminous time, and has higher drying speed and good adhesive force by mixing barium sulfate, aluminum hydroxide, mineral oil, resin, a drying accelerator, an antioxidant, a surfactant, a dispersant, a reverse gelatinizing agent and an ultraviolet absorbent in the ink, so that the overall stability of the noctilucent printing ink is better, and the overall performance of the noctilucent printing ink is greatly improved.)

1. The noctilucent printing ink is characterized by comprising the following raw materials in parts by weight:

10-15 parts of inorganic pigment, 2-5 parts of barium sulfate, 2-5 parts of aluminum hydroxide, 10-15 parts of mineral oil, 30-50 parts of resin, 0.5-1 part of drying accelerator, 0.5-1 part of antioxidant, 1-2 parts of surfactant, 0.5-1 part of dispersant, 0.5-1 part of anti-gelling agent, 20-25 parts of fluorescent powder, 0.5-1 part of ultraviolet absorbent and 0.5-1 part of additive.

2. A night-luminous printing ink as claimed in claim 1, characterized in that: the additive comprises a defoaming agent and a pinhole preventing agent, and the additives comprise the following components in parts by weight: 0.5-1 part of defoaming agent and 0.5-1 part of anti-pinhole agent.

3. A night-luminous printing ink as claimed in claim 1, characterized in that: the additive is also provided with an anti-settling agent, and the weight part of the anti-settling agent is 0.5-1 part.

4. A night-luminous printing ink as claimed in claim 1, characterized in that: the material of the dispersing agent is dimethyl silicone oil, and the material of the ultraviolet absorbent is benzophenone.

5. The preparation method of the noctilucent printing ink is characterized by comprising the following steps:

step S1, preparing raw materials, namely taking 15 parts of inorganic pigment, 5 parts of barium sulfate, 5 parts of aluminum hydroxide, 15 parts of mineral oil, 50 parts of resin, 1 part of drying accelerator, 1 part of antioxidant, 2 parts of surfactant, 1 part of dispersant, 1 part of anti-gelling agent, 25 parts of fluorescent powder, 1 part of ultraviolet absorbent and 1 part of additive;

step S2, pre-mixing, namely taking the resin, the barium sulfate, the aluminum hydroxide and the fluorescent powder, and fully pre-mixing the barium sulfate, the aluminum hydroxide and the fluorescent powder through a high-speed stirring device, wherein the rotating speed of the high-speed stirring device is 1500-2000r/min, and the stirring time is 45-60 minutes, so as to form a mixture A;

step S3, mixing auxiliary agents, namely taking the drying accelerator, the antioxidant, the surfactant, the dispersant, the anti-gelling agent, the ultraviolet absorbent and the additive, and stirring the mixture by a stirring device, wherein the rotating speed of the stirring device is 800-1000r/min, and the stirring time is 25-30 minutes to form a mixture B;

step S4, mixing the pigments, namely mixing the inorganic pigments and the mineral oil by taking the inorganic pigments and the mineral oil again through stirring equipment;

step S5, preparing a pigment, namely, continuously stirring the mixed mixture obtained in the step S4 by a stirring device, and continuously adding the mixture A and the mixture B in the stirring process to fully mix the pigment, the mineral oil, the mixture A and the mixture B;

step S6, filtering, namely standing the ink in the step S5 for 30-45min, filtering the ink by a filtering device,

and S7, completing preparation, namely adding the ink in the step S6 into a reaction kettle, heating the reaction kettle to 60-75 ℃, stirring the ink in the reaction kettle by stirring equipment at the stirring speed of 500 plus materials for 600r/min, stirring for 30-50 minutes, taking out, naturally cooling, and completing the preparation of the ink.

6. A method for preparing a luminescent printing ink as claimed in claim 5, characterized in that: in the step S2, the rotating speed of the high-speed stirring equipment is 2000r/min, and the stirring time is 60 minutes.

7. A method for preparing a luminescent printing ink as claimed in claim 5, characterized in that: the stirring speed of the stirring equipment in the step S5 is 1200r/min, and the stirring time is 180 minutes.

8. A method for preparing a luminescent printing ink as claimed in claim 5, characterized in that: in the step S7, the reaction kettle is heated to 75 ℃, the stirring speed is 600r/min, and the stirring duration is 40 minutes.

Technical Field

The invention relates to the technical field of luminous printing ink, in particular to luminous printing ink and a preparation method thereof.

Background

The ink is a uniform mixture composed of color bodies, bonding materials, fillers, additives and the like; printing can be carried out, and drying is carried out on the printed body; is a colored pasty adhesive with certain fluidity. Thus, color, body and drying properties are the three most important properties of the ink. They are of various types, have different physical properties, and are thick and sticky; some are quite thin, and some are made of vegetable oil as a binder; some of them use resin and solvent or water as a binder, and these are determined according to the object of printing, i.e., the substrate, the printing method, the type of printing plate, the drying method, and the like.

The existing printing ink is usually too slow in drying speed or poor in adhesive force, and more people like going out at night for playing, so that the noctilucent printing ink is more and more popular at present, and the noctilucent printing ink and the preparation method thereof are provided.

Disclosure of Invention

The invention aims to provide a noctilucent printing ink and a preparation method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a noctilucent printing ink comprises the following raw materials in parts by weight:

10-15 parts of inorganic pigment, 2-5 parts of barium sulfate, 2-5 parts of aluminum hydroxide, 10-15 parts of mineral oil, 30-50 parts of resin, 0.5-1 part of drying accelerator, 0.5-1 part of antioxidant, 1-2 parts of surfactant, 0.5-1 part of dispersant, 0.5-1 part of anti-gelling agent, 20-25 parts of fluorescent powder, 0.5-1 part of ultraviolet absorbent and 0.5-1 part of additive;

further, the additive comprises a defoaming agent and a pinhole preventing agent, and the additives comprise the following components in parts by weight: 0.5-1 part of defoaming agent and 0.5-1 part of anti-pinhole agent;

further, an anti-settling agent is also arranged in the additive, and the weight part of the anti-settling agent is 0.5-1 part;

further, the material of the dispersing agent is dimethyl silicone oil, and the material of the ultraviolet absorbent is benzophenone;

a preparation method of luminous printing ink comprises the following steps:

step S1, preparing raw materials, namely taking 15 parts of inorganic pigment, 5 parts of barium sulfate, 5 parts of aluminum hydroxide, 15 parts of mineral oil, 50 parts of resin, 1 part of drying accelerator, 1 part of antioxidant, 2 parts of surfactant, 1 part of dispersant, 1 part of anti-gelling agent, 25 parts of fluorescent powder, 1 part of ultraviolet absorbent and 1 part of additive;

step S2, pre-mixing, namely taking the resin, the barium sulfate, the aluminum hydroxide and the fluorescent powder, and fully pre-mixing the barium sulfate, the aluminum hydroxide and the fluorescent powder through a high-speed stirring device, wherein the rotating speed of the high-speed stirring device is 1500-2000r/min, and the stirring time is 45-60 minutes, so as to form a mixture A;

step S3, mixing auxiliary agents, namely taking the drying accelerator, the antioxidant, the surfactant, the dispersant, the anti-gelling agent, the ultraviolet absorbent and the additive, and stirring the mixture by a stirring device, wherein the rotating speed of the stirring device is 800-1000r/min, and the stirring time is 25-30 minutes to form a mixture B;

step S4, mixing the pigments, namely mixing the inorganic pigments and the mineral oil by taking the inorganic pigments and the mineral oil again through stirring equipment;

step S5, preparing a pigment, namely, continuously stirring the mixed mixture obtained in the step S4 by a stirring device, and continuously adding the mixture A and the mixture B in the stirring process to fully mix the pigment, the mineral oil, the mixture A and the mixture B;

step S6, filtering, namely standing the ink in the step S5 for 30-45min, filtering the ink by a filtering device,

step S7, completing preparation, namely adding the ink in the step S6 into a reaction kettle, heating the reaction kettle to 60-75 ℃, stirring the ink in the reaction kettle by stirring equipment at the stirring speed of 500 plus materials for 600r/min, stirring for 30-50 minutes, taking out, naturally cooling, and completing the preparation of the ink;

further, in the step S2, the rotation speed of the high-speed stirring device is 2000r/min, and the stirring time is 60 minutes;

further, the stirring speed of the stirring equipment in the step S5 is 1200r/min, and the stirring time is 180 minutes;

further, in the step S7, the reaction kettle is heated to 75 ℃, the stirring speed is 600r/min, and the stirring duration is 40 minutes.

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

1. the luminous printing ink effectively increases the luminous effect at night, prolongs the luminous time, and has higher drying speed and good adhesive force by mixing barium sulfate, aluminum hydroxide, mineral oil, resin, a drying promoter, an antioxidant, a surfactant, a dispersant, a reverse gelatinizing agent and an ultraviolet absorbent in the printing ink, so that the luminous printing ink has better overall stability and greatly improves the overall performance of the luminous printing ink.

Drawings

FIG. 1 is a schematic view of the whole process of a luminous printing ink and a preparation method thereof.

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, the present invention provides a technical solution:

a noctilucent printing ink comprises the following raw materials in parts by weight:

10-15 parts of inorganic pigment, 2-5 parts of barium sulfate, 2-5 parts of aluminum hydroxide, 10-15 parts of mineral oil, 30-50 parts of resin, 0.5-1 part of drying accelerator, 0.5-1 part of antioxidant, 1-2 parts of surfactant, 0.5-1 part of dispersant, 0.5-1 part of anti-gelling agent, 20-25 parts of fluorescent powder, 0.5-1 part of ultraviolet absorbent and 0.5-1 part of additive;

in the invention, the additive comprises a defoaming agent and a pinhole preventing agent, and the weight parts of the additive are as follows: 0.5-1 part of defoaming agent and 0.5-1 part of anti-pinhole agent;

in the invention, the additive is also provided with an anti-settling agent, and the weight part of the anti-settling agent is 0.5-1;

in the invention, the material of the dispersing agent is dimethyl silicone oil, and the material of the ultraviolet absorbent is benzophenone;

a preparation method of luminous printing ink comprises the following steps:

step S1, preparing raw materials, namely taking 15 parts of inorganic pigment, 5 parts of barium sulfate, 5 parts of aluminum hydroxide, 15 parts of mineral oil, 50 parts of resin, 1 part of drying accelerator, 1 part of antioxidant, 2 parts of surfactant, 1 part of dispersant, 1 part of anti-gelling agent, 25 parts of fluorescent powder, 1 part of ultraviolet absorbent and 1 part of additive;

step S2, pre-mixing, namely taking the resin, the barium sulfate, the aluminum hydroxide and the fluorescent powder, and fully pre-mixing the barium sulfate, the aluminum hydroxide and the fluorescent powder through a high-speed stirring device, wherein the rotating speed of the high-speed stirring device is 1500-2000r/min, and the stirring time is 45-60 minutes, so as to form a mixture A;

step S3, mixing auxiliary agents, namely taking the drying accelerator, the antioxidant, the surfactant, the dispersant, the anti-gelling agent, the ultraviolet absorbent and the additive, and stirring the mixture by a stirring device, wherein the rotating speed of the stirring device is 800-1000r/min, and the stirring time is 25-30 minutes to form a mixture B;

step S4, mixing the pigments, namely mixing the inorganic pigments and the mineral oil by taking the inorganic pigments and the mineral oil again through stirring equipment;

step S5, preparing a pigment, namely, continuously stirring the mixed mixture obtained in the step S4 by a stirring device, and continuously adding the mixture A and the mixture B in the stirring process to fully mix the pigment, the mineral oil, the mixture A and the mixture B;

step S6, filtering, namely standing the ink in the step S5 for 30-45min, filtering the ink by a filtering device,

step S7, completing preparation, namely adding the ink in the step S6 into a reaction kettle, heating the reaction kettle to 60-75 ℃, stirring the ink in the reaction kettle by stirring equipment at the stirring speed of 500 plus materials for 600r/min, stirring for 30-50 minutes, taking out, naturally cooling, and completing the preparation of the ink;

in the invention, in step S2, the rotating speed of the high-speed stirring equipment is 2000r/min, and the stirring time is 60 minutes;

in the invention, the stirring speed of the stirring equipment in the step S5 is 1200r/min, and the stirring time is 180 minutes;

in the invention, in step S7, the reaction kettle is heated to 75 ℃, the stirring speed is 600r/min, and the stirring duration is 40 minutes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.