阅读说明：本技术 环保水性纳米珠光油墨 (Environment-friendly water-based nano pearlescent ink ) 是由 张东明 于 2019-10-18 设计创作，主要内容包括：本发明公开了一种环保水性纳米珠光油墨,是由下述质量份数的成分制备而成的：珠光颜料15-30份、连接料30-60份、溶剂25-35份、填料5-15份、助剂1-3份,所述珠光颜料的颗粒细度≤20μm。本发明具有附着力好、耐摩擦、抗划伤效果好的特点,同时环保性能优异。(The invention discloses an environment-friendly water-based nano pearlescent ink which is prepared from the following components in parts by mass: 15-30 parts of pearlescent pigment, 30-60 parts of connecting material, 25-35 parts of solvent, 5-15 parts of filler and 1-3 parts of auxiliary agent, wherein the particle fineness of the pearlescent pigment is less than or equal to 20 mu m. The invention has the characteristics of good adhesive force, friction resistance and good scratch resistance effect, and has excellent environmental protection performance.)

1. The environment-friendly water-based nano pearlescent ink is characterized by being prepared from the following components in parts by mass: 15-30 parts of pearlescent pigment, 30-60 parts of connecting material, 25-35 parts of solvent, 5-15 parts of filler and 1-3 parts of auxiliary agent, wherein the particle fineness of the pearlescent pigment is less than or equal to 20 mu m.

2. The environment-friendly aqueous nano pearlescent ink according to claim 1, wherein the auxiliary agent is wetting dispersant, anti-settling agent, adhesion promoter and dispersant.

3. The environment-friendly aqueous nano pearlescent ink according to claim 1, wherein the filler is one or a mixture of calcium carbonate, silica and diatomite.

4. The environmentally friendly aqueous nano pearlescent ink according to claim 1, wherein the solvent is deionized water.

5. The environment-friendly aqueous nano pearlescent ink according to claim 1, wherein the binder is a mixture of aqueous acrylate resin and aqueous acrylic emulsion resin, and the mass ratio of the aqueous acrylate resin to the aqueous acrylic emulsion resin is 2: 1.

6. The environment-friendly aqueous nano pearlescent ink according to claim 1, wherein the pearlescent pigment is prepared by the following preparation steps:

1) pretreating, namely cleaning the glass flakes by adopting a sodium carbonate solution with the mass concentration of 5% at the solid-liquid mass ratio of 1:20 at the temperature of 40-45 ℃, removing impurities in the glass flakes for 24 hours, activating and polarizing the surfaces of the glass flakes, and then filtering, washing and drying to obtain purified glass flakes;

2) taking the pretreated glass flakes, preparing a suspension with 10 times of weight of ionized water, adding 80% of urea according to the formula weight, stirring and heating, adding 20% of urea according to the formula weight into a titanium tetrachloride solution, dropwise adding the titanium tetrachloride solution into the glass flake suspension, washing with distilled water for 3-5 times after dropwise adding, carrying out suction filtration, drying for 4 hours at 100 ℃, heating and calcining for 1-3 hours, and measuring the whiteness to obtain the pearlescent pigment.

Technical Field

The invention relates to the technical field of printing ink, in particular to environment-friendly water-based nano pearlescent printing ink.

Background

The pearlescent pigment is widely applied to the fields of coatings, plastics, ceramics, papermaking, leather, glass, cosmetics and the like due to the unique optical effect and property. With the progress of society and the expansion of application fields, higher requirements are put forward on the continuous pursuit of the performances of pearlescence, particularly on glossiness and color saturation. The preparation of pigments with pearlescent effect by using sheet materials as substrates and single-layer or multi-layer oxide envelopes has been in the past for decades, and the process is mature.

Disclosure of Invention

The invention mainly solves the technical problem of providing the environment-friendly water-based nano pearlescent ink which has the characteristics of good adhesive force, friction resistance and good scratch resistance effect, and is excellent in environment-friendly performance.

In order to solve the technical problems, the invention adopts a technical scheme that:

the environment-friendly water-based nano pearlescent ink is prepared from the following components in parts by mass: 15-30 parts of pearlescent pigment, 30-60 parts of connecting material, 25-35 parts of solvent, 5-15 parts of filler and 1-3 parts of auxiliary agent, wherein the particle fineness of the pearlescent pigment is less than or equal to 20 mu m.

In a preferred embodiment of the invention, the auxiliary agents are wetting and dispersing agents, anti-settling agents, adhesion promoters and dispersing agents.

In a preferred embodiment of the present invention, the filler is one or a mixture of calcium carbonate, silica and diatomite.

In a preferred embodiment of the present invention, the solvent is deionized water.

In a preferred embodiment of the invention, the binder is a mixture of a water-based acrylate resin and a water-based acrylic emulsion resin, and the mass ratio of the water-based acrylate resin to the water-based acrylic emulsion resin is 2: 1.

In a preferred embodiment of the invention, the pearlescent pigment is prepared by the following preparation steps:

1) pretreating, namely cleaning the glass flakes by adopting a sodium carbonate solution with the mass concentration of 5% at the solid-liquid mass ratio of 1:20 at the temperature of 40-45 ℃, removing impurities in the glass flakes for 24 hours, activating and polarizing the surfaces of the glass flakes, and then filtering, washing and drying to obtain purified glass flakes;

2) taking the pretreated glass flakes, preparing a suspension with 10 times of weight of ionized water, adding 80% of urea according to the formula weight, stirring and heating, adding 20% of urea according to the formula weight into a titanium tetrachloride solution, dropwise adding the titanium tetrachloride solution into the glass flake suspension, washing with distilled water for 3-5 times after dropwise adding, carrying out suction filtration, drying for 4 hours at 100 ℃, heating and calcining for 1-3 hours, and measuring the whiteness to obtain the pearlescent pigment.

The invention has the beneficial effects that: the environment-friendly aqueous nano pearlescent ink disclosed by the invention is simple in formula components, can show the luster of pearls and metals on a printing material, is free from organic solvent discharge in the printing process, does not cause pollution to the environment, and has the characteristics of good adhesion, friction resistance and good scratch resistance.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention, and to clearly and unequivocally define the scope of the present invention.