阅读说明：本技术 一种高耐刮塑料表印消光油及其制备方法 (High-scratch-resistance plastic surface printing delustering oil and preparation method thereof ) 是由 吴君 潘吉红 洪锋 汪慧 于 2020-12-28 设计创作，主要内容包括：本发明提供了一种耐刮塑料表印消光油及其制备方法,表印消光油包括有以下组成成分：氯醋树脂溶液20-30％、聚氨酯溶液15-25％、助剂1-5％、填料10-20％、聚乙烯蜡1-3％和混合溶剂25-40％。本发明通过添加聚氨酯和氯醋树脂,提高了油墨的耐蒸煮性,通过添加抗刮剂,显著提高油墨的耐刮性,使得生产得到的油墨具有耐刮(用指甲划后无划痕),耐高温不变色、安全环保、稳定性高的特点,PET基材的产品包装,背面按设计版面印刷消光油后,可以达到消光薄膜印刷的效果,同时使明、暗层次分明,强调效果突出,增强包装美感。目前网购流行,网上销售的诸多干果、红枣、面膜等产品包装都采用了此类包装,市场需求将越来越大。(The invention provides scratch-resistant plastic surface printing matting oil and a preparation method thereof, wherein the surface printing matting oil comprises the following components: 20-30% of vinyl chloride-vinyl acetate resin solution, 15-25% of polyurethane solution, 1-5% of auxiliary agent, 10-20% of filler, 1-3% of polyethylene wax and 25-40% of mixed solvent. According to the invention, the polyurethane and the vinyl chloride-vinyl acetate copolymer are added, so that the boiling resistance of the ink is improved, and the scratch resistance of the ink is obviously improved by adding the scratch-resistant agent, so that the produced ink has the characteristics of scratch resistance (no scratch after being scratched by a nail), high temperature resistance, no discoloration, safety, environmental friendliness and high stability. At present, online shopping is popular, the packages of products such as dried fruits, red dates, facial masks and the like sold on the internet are all the packages, and the market demand is getting larger and larger.)

1. The scratch-resistant plastic surface printing matting oil is characterized in that: comprises the following components:

20-30% of vinyl chloride-vinyl acetate resin solution

15-25% of polyurethane solution

1 to 5 percent of auxiliary agent

10 to 20 percent of filler

Polyethylene wax 1-3%

25-40% of mixed solvent.

2. The scratch resistant plastic overprint varnish of claim 1, wherein: the vinyl chloride-acetate copolymer solution is set to be 30-70% vinyl chloride-acetate copolymer solution.

3. The scratch resistant plastic overprint varnish of claim 2, wherein: the model of the vinyl chloride-vinyl acetate copolymer in the vinyl chloride-vinyl acetate copolymer solution is 555.

4. The scratch resistant plastic overprint varnish of claim 1, wherein: the polyurethane solution is set to 30-70% polyurethane solution.

5. The scratch resistant plastic overprint varnish of claim 4, wherein: the polyurethane in the polyurethane solution is surface printing polyurethane.

6. The scratch resistant plastic overprint varnish of claim 1, wherein: the auxiliary agent is one or more of an anti-scratch agent, a coupling agent, a citric acid plasticizer and a slip agent.

7. The scratch resistant plastic overprint varnish of claim 1, wherein: the mixed solvent is formed by mixing ethyl acetate and n-propyl acetate, and the mixing mass ratio is 1-2: 1.

8. The scratch resistant plastic overprint varnish of claim 1, wherein: the filler is one or more of kaolin, barium sulfate, calcium carbonate, silicon dioxide, volcanic ash and pearl mud.

9. A preparation method of scratch-resistant plastic surface printing matting oil is characterized by comprising the following steps: the preparation method comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 20-45min at a stirring speed of 1500-;

s2, preparing resin liquid: adding vinyl chloride-vinyl acetate resin solution, polyurethane solution, filler, polyethylene wax and auxiliary agent into the stirring cylinder, and continuing stirring and dispersing for 20-30min by using a high-speed dispersion machine at a stirring speed of 1500-2000r/min to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 30-60min to obtain the scratch-resistant plastic surface printing delustering oil.

Technical Field

The invention relates to high-scratch-resistant surface printing matt oil and a preparation method thereof, which meet the national VOC (organic volatile compound) emission standard. In particular to a high scratch-resistant body filler which can provide excellent scratch resistance and other surface properties. The environment-friendly high-scratch-resistant plastic surface printing delustering oil adopts ester-soluble polyurethane resin with excellent film forming and leveling properties as a main ink connecting material and the preparation method thereof.

Background

The printer is one of computer output devices, is used for printing a computer processing result on a related medium, needs to consume printing ink in the use process, and is attracted by manufacturers seeking high-quality pigment products at home and abroad, particularly famous ink and coating enterprises due to the advantages of low dust and environmental protection of pre-dispersed products and high dispersibility, high transparency and high gloss in subsequent application.

The requirements of the current market on environmental protection and safety of the printing gloss oil product are further improved, and the packaged product also puts further requirements on the odor of the printing gloss oil. The market demand for surface printing gloss oil products with extremely low odor is also expanded year by year, and the surface printing gloss oil products with extremely low odor are required to have the characteristics of extremely low odor, good gloss, good leveling property and good wear resistance. The grinding and dispersing process of the surface printing gloss oil is an important step in the production of the surface printing gloss oil, and the quality of the surface printing gloss oil is directly influenced.

At present, there are three main types of surface printing gloss reducing oil: the first is printing ink taking polyamide and nitrocotton as connecting materials, but the printing ink has poor temperature resistance and adhesion resistance and is not environment-friendly; the second is ink using acrylic acid and nitrocotton as connecting materials, but has slight smell and poor adhesion fastness; the third is printing ink taking polyurethane and vinyl chloride as connecting materials, which is suitable for the requirements of no adhesion and yellowing resistance after 30 seconds of high-temperature steaming and boiling at 121 ℃.

Disclosure of Invention

The invention provides scratch-resistant plastic surface printing delustering oil and a preparation method thereof, and the scratch-resistant plastic surface printing delustering oil has the technical problems of clear preparation process, high-temperature cooking resistance, yellowing resistance and scratch resistance.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

the scratch-resistant plastic surface printing matting oil comprises the following components:

20-30% of vinyl chloride-vinyl acetate resin solution

15-25% of polyurethane solution

1 to 5 percent of auxiliary agent

10 to 20 percent of filler

Polyethylene wax 1-3%

25-40% of mixed solvent.

Preferably, the vinyl chloride-acetate copolymer solution is set to 30% vinyl chloride-acetate copolymer solution.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

Preferably, the polyurethane solution is set to a 70% polyurethane solution.

Further, the polyurethane in the 70% polyurethane solution is a surface printed polyurethane.

Preferably, the auxiliary agent is one or more of an anti-scraping agent, a coupling agent, a citric acid plasticizer and a slip agent.

Preferably, the mixed solvent is formed by mixing ethyl acetate and n-propyl acetate, and the mixing mass ratio is 1-2: 1.

Preferably, the filler is one or more of kaolin, barium sulfate, calcium carbonate, silica, volcanic ash and pearl mud.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 20-45min at a stirring speed of 1500-;

s2, preparing resin liquid: adding vinyl chloride-vinyl acetate resin solution, polyurethane solution, filler, polyethylene wax and auxiliary agent into the stirring cylinder, and continuing stirring and dispersing for 20-30min by using a high-speed dispersion machine at a stirring speed of 1500-2000r/min to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 30-60min to obtain the scratch-resistant plastic surface printing delustering oil.

The invention has the beneficial effects that: according to the high-scratch-resistant surface printing matting oil provided by the invention, the boiling resistance of the printing ink is improved by adding the polyurethane and the vinyl chloride-vinyl acetate copolymer, the scratch resistance of the printing ink is obviously improved by adding the scratch-resistant agent, so that the produced printing ink has the characteristics of scratch resistance (no scratch after being scratched by a nail), high temperature resistance, no discoloration, safety, environmental friendliness and high stability. At present, online shopping is popular, the packages of products such as dried fruits, red dates, facial masks and the like sold on the internet are all the packages, and the market demand is getting larger and larger.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described 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 making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The scratch-resistant plastic surface printing matting oil comprises the following components:

30% of vinyl chloride-vinyl acetate copolymer solution 23%

70% of surface printing polyurethane solution 22%

1 percent of scratch resistance agent

Kaolin 12%

Polyethylene wax 2%

Ethyl acetate: 20 percent of

N-propyl acetate: 20 percent.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 20min at a stirring speed of-2000 r/min by using a high-speed dispersion machine to fully mix, and taking out part of a mixed solvent;

s2, preparing resin liquid: adding the vinyl chloride-vinyl acetate resin solution, the polyurethane solution, the filler, the polyethylene wax and the auxiliary agent into the stirring cylinder body, and continuing stirring and dispersing for 20min by using a high-speed dispersion machine at a stirring speed of 2000r/min to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 60min to obtain the scratch-resistant plastic surface printing delustering oil.

Example 2

The scratch-resistant plastic surface printing matting oil comprises the following components:

30% of vinyl chloride-vinyl acetate copolymer solution 23%

70% of surface printing polyurethane solution 22%

1 percent of scratch resistance agent

12 percent of barium sulfate

Polyethylene wax 2%

Ethyl acetate: 20 percent of

N-propyl acetate: 20 percent.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 45min at a stirring speed of 1500r/min by using a high-speed dispersion machine to fully mix, and taking out part of a mixed solvent;

s2, preparing resin liquid: adding the vinyl chloride-vinyl acetate resin solution, the polyurethane solution, the filler, the polyethylene wax and the auxiliary agent into the stirring cylinder body, and continuing stirring and dispersing for 30min at the stirring speed of 1500r/min by using a high-speed dispersion machine to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 30min to obtain the scratch-resistant plastic surface printing delustering oil.

Example 3

The scratch-resistant plastic surface printing matting oil comprises the following components:

30% of vinyl chloride-vinyl acetate copolymer solution 23%

30% of surface printing polyurethane solution 22%

1 percent of scratch resistance agent

Calcium carbonate 12%

Polyethylene wax 2%

Ethyl acetate: 20 percent of

N-propyl acetate: 20 percent.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 35min at a stirring speed of 1800r/min by using a high-speed dispersion machine to fully mix, and taking out part of a mixed solvent;

s2, preparing resin liquid: adding the vinyl chloride-vinyl acetate resin solution, the polyurethane solution, the filler, the polyethylene wax and the auxiliary agent into the stirring cylinder body, and continuing stirring and dispersing for 25min at the stirring speed of 1800r/min by using a high-speed dispersion machine to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 45min to obtain the scratch-resistant plastic surface printing delustering oil.

Example 4

The scratch-resistant plastic surface printing matting oil comprises the following components:

70% of vinyl chloride-vinyl acetate resin solution 25%

70% of surface printing polyurethane solution 30%

2 percent of anti-scraping agent

11 percent of silicon dioxide

Polyethylene wax 2%

Ethyl acetate: 20 percent of

N-propyl acetate: 10 percent.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl acetate, adding the ethyl acetate and the n-propyl acetate into a stirring tank, stirring for 45min at a stirring speed of 1500r/min by using a high-speed dispersion machine to fully mix, and taking out part of a mixed solvent;

s2, preparing resin liquid: adding the vinyl chloride-vinyl acetate resin solution, the polyurethane solution, the filler, the polyethylene wax and the auxiliary agent into the stirring cylinder body, and continuing stirring and dispersing for 30min at the stirring speed of 1500r/min by using a high-speed dispersion machine to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 45min to obtain the scratch-resistant plastic surface printing delustering oil.

Example 5

The scratch-resistant plastic surface printing matting oil comprises the following components:

70% of vinyl chloride-vinyl acetate resin solution 25%

70% of surface printing polyurethane solution 20%

2 percent of anti-scraping agent

Volcanic ash content is 10%

10 percent of pearl mud

Polyethylene wax 3%

Ethyl acetate: 20 percent of

N-propyl acetate: 10 percent.

Further, the model of the vinyl chloride-vinyl acetate copolymer in the 30% vinyl chloride-vinyl acetate copolymer solution was 555.

A preparation method of scratch-resistant plastic surface printing matting oil comprises the following specific steps:

s1, preparing a mixed solvent: accurately measuring ethyl acetate and n-propyl ester, adding the ethyl acetate and the n-propyl ester into a stirring tank, stirring for 30min at a stirring speed of 2000r/min by using a high-speed dispersion machine to fully mix, and taking out part of a mixed solvent;

s2, preparing resin liquid: adding the vinyl chloride-vinyl acetate resin solution, the polyurethane solution, the filler, the polyethylene wax and the auxiliary agent into the stirring cylinder body, and continuing stirring and dispersing for 25min by using a high-speed dispersion machine at a stirring speed of 2000r/min to uniformly mix the materials to form dispersed color paste;

s3, grinding and dispersing: pumping the dispersed color paste into a sand mill for sand milling, repeatedly grinding until the fineness of the material is below 25 mu m, flushing the mill by using the taken mixed solvent, and merging the flushing liquid into the grinding material;

s4, filtering and deslagging: pumping the grinding material into a sieving machine, filtering the grinding material, and removing mixed particles and microparticles with overlarge particle sizes in the grinding material to obtain uniformly dispersed grinding material;

s5, ultrasonic dispersion: and pumping the sieved grinding material into an ultrasonic oscillator, and performing ultrasonic oscillation for 45min to obtain the scratch-resistant plastic surface printing delustering oil.

According to the high-scratch-resistant surface printing matting oil provided by the invention, the polyurethane and the vinyl chloride-vinyl acetate copolymer are added, so that the boiling resistance of the printing ink is improved, and the scratch resistance of the printing ink is obviously improved by adding the scratch-resistant agent, so that the produced printing ink has the characteristics of scratch resistance (no scratch after being scratched by a nail), high temperature resistance, no discoloration, safety, environmental friendliness and high stability. At present, online shopping is popular, the packages of products such as dried fruits, red dates, facial masks and the like sold on the internet are all the packages, and the market demand is getting larger and larger.

The results of the performance indexes of the high scratch-resistant surface printing gloss oil in the above examples are shown in the following table:

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.