阅读说明：本技术 一种印刷油墨及其制备方法 (Printing ink and preparation method thereof ) 是由 张建喜 于 2020-12-30 设计创作，主要内容包括：本申请涉及印刷技术领域,具体公开了一种印刷油墨及其制备方法,包括以下重量份的原料：丙烯酸树脂20-30份、聚氨酯树脂8-15份、蜡乳液3-5份、颜料10-20份、耐磨剂4-6份、纳米二氧化硅0.2-0.5份、聚乙烯吡咯烷酮1-1.5份、乙醇5-10份、水20-30份、蜡乳液由微粉蜡、脂肪醇聚氧乙烯醚硫酸钠和OS-15组成；其制备方法为：将微粉蜡、脂肪醇聚氧乙烯醚硫酸钠和OS-15进行混合,混合均匀后得到蜡乳液；将丙烯酸树脂、聚氨酯树脂、乙醇和水进行混合,混合后得到第一混合物；将第一混合物与蜡乳液、颜料混合,混合后加入耐磨剂、纳米二氧化硅、聚乙烯吡咯烷酮混合,混合完毕后得到印刷油墨；本申请的印刷油墨具有耐磨性能好的优点。(The application relates to the technical field of printing, and particularly discloses printing ink and a preparation method thereof, wherein the printing ink comprises the following raw materials in parts by weight: 20-30 parts of acrylic resin, 8-15 parts of polyurethane resin, 3-5 parts of wax emulsion, 10-20 parts of pigment, 4-6 parts of wear-resisting agent, 0.2-0.5 part of nano silicon dioxide, 1-1.5 parts of polyvinylpyrrolidone, 5-10 parts of ethanol, 20-30 parts of water, and the wax emulsion consists of micro powder wax, fatty alcohol-polyoxyethylene ether sodium sulfate and OS-15; the preparation method comprises the following steps: mixing the micro powder wax, the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, and uniformly mixing to obtain wax emulsion; mixing acrylic resin, polyurethane resin, ethanol and water to obtain a first mixture; mixing the first mixture with wax emulsion and pigment, adding the wear-resisting agent, nano silicon dioxide and polyvinylpyrrolidone, and mixing to obtain printing ink; the printing ink has the advantage of good wear resistance.)

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

20-30 parts of acrylic resin;

8-15 parts of polyurethane resin;

3-5 parts of wax emulsion;

10-20 parts of pigment;

4-6 parts of a wear-resisting agent;

0.2-0.5 part of nano silicon dioxide;

1-1.5 parts of polyvinylpyrrolidone;

5-10 parts of ethanol;

20-30 parts of water;

the wax emulsion consists of micro powder wax, fatty alcohol-polyoxyethylene ether sodium sulfate and OS-15.

2. The printing ink of claim 1, wherein the wear resistant agent comprises at least one of graphene oxide and sierozem powder.

3. The printing ink as claimed in claim 2, wherein the wear-resistant agent is composed of graphene oxide and ash calcium powder, and the weight ratio of the graphene oxide to the ash calcium powder is 1 (1-2).

4. The printing ink of claim 1, wherein the wax emulsion comprises, by weight, 2 to 3 parts of micronized wax, 0.4 to 0.6 part of sodium fatty alcohol-polyoxyethylene ether sulfate, and 0.8 to 1 part of OS-15.

5. The printing ink of claim 1, wherein the raw materials of the printing ink further comprise 2-4 parts by weight of a binder, and the binder is composed of alginate and epoxy resin.

6. The printing ink as claimed in claim 5, wherein the weight ratio of the algin to the epoxy resin is 1 (1-3).

7. The printing ink of claim 1, wherein the printing ink further comprises 0.1 to 0.3 parts by weight of methyl silicone oil.

8. A method of preparing a printing ink according to any one of claims 1 to 7, comprising the steps of:

s1, mixing the micro powder wax, the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, and uniformly mixing to obtain wax emulsion;

s2, mixing acrylic resin, polyurethane resin, ethanol and water to obtain a first mixture;

and S3, mixing the first mixture with the wax emulsion and the pigment, adding the wear-resisting agent, the nano silicon dioxide and the polyvinylpyrrolidone, mixing, and obtaining the printing ink after mixing.

9. The method for preparing printing ink according to claim 8, wherein in step S1, micro wax is uniformly added into the sodium fatty alcohol-polyoxyethylene ether sulfate and OS-15, and the adding speed of the micro wax is controlled to be 1-1.5 parts/min.

10. The method of claim 8, wherein step S3 comprises adding a binder, and mixing with the first mixture, the wax emulsion, and the pigment; after mixing, methyl silicone oil is added and mixed with silicon dioxide and polyvinylpyrrolidone.

Technical Field

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

Background

The ink is an important material in the printing process, patterns and characters are expressed on a printing stock through printing or spray painting, and the ink is mainly used for various printings such as books, periodicals, packaging decoration, building decoration, electronic circuit boards and the like. As social demands increase, ink varieties and yields also expand and grow accordingly.

The printing ink is a homogeneous mixture of pigment, binder, filler, additive, etc. The abrasion resistance of printing ink is an important criterion for evaluating the quality of printing ink. At present, people add wax powder into printing ink to obtain printing ink with better wear resistance.

Through above-mentioned correlation technique, because wax powder itself belongs to the superfine particle, add the wax powder that is more thin, because the effect of receiving molecular force, wax powder can reunite, adds into the printing ink system, and the holistic compatibility of printing ink is not good to reduce the wear resistance of printing ink, lead to scribbling the material such as packing of printing ink and appear mar easily, fade scheduling problem.

Disclosure of Invention

In order to improve the wear resistance of printing ink, the application provides the printing ink and a preparation method thereof.

In a first aspect, the present application provides a printing ink, which adopts the following technical scheme:

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

20-30 parts of acrylic resin;

8-15 parts of polyurethane resin;

3-5 parts of wax emulsion;

10-20 parts of pigment;

4-6 parts of a wear-resisting agent;

0.2-0.5 part of nano silicon dioxide;

1-1.5 parts of polyvinylpyrrolidone;

5-10 parts of ethanol

20-30 parts of water;

the wax emulsion consists of micro powder wax, fatty alcohol-polyoxyethylene ether sodium sulfate and OS-15.

By adopting the technical scheme, the acrylic resin and the polyurethane resin are used as the connecting materials of the printing ink, and the acrylic resin and the polyurethane resin are both water-based resins, so that the prepared water-based printing ink has a certain environment-friendly effect; meanwhile, the acrylic resin and the polyurethane resin are matched with each other, so that the weather resistance and the wear resistance are excellent; the wax emulsion consisting of the micro wax, the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15 has better dispersion performance in the printing ink; the micro wax is used for improving the wear resistance and scratch resistance of the surface of the printing ink, is relatively stable after being emulsified by the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, can be uniformly dispersed in a printing ink system, and has good compatibility, so that the wear resistance of the micro wax is further exerted. The wear-resisting agent, the wax emulsion and the nano silicon dioxide have good wear resistance, and the wear resistance of the printing ink is improved through the mutual cooperation of the wear-resisting agent, the wax emulsion and the nano silicon dioxide; the polyvinylpyrrolidone is used as a dispersing agent to disperse the easily agglomerated micro wax and the nano silicon dioxide, so that the printing ink obtains uniform wear-resistant effect.

Preferably, the wear-resisting agent comprises at least one of graphene oxide and ash calcium powder.

By adopting the technical scheme, the graphene oxide and the sierozem powder have higher hardness and mechanical properties in combination, so that the wear resistance of the printing ink is improved; meanwhile, the graphene oxide has good wetting effect and surface activity, and is matched with the polyvinylpyrrolidone, so that the dispersibility of the printing ink raw material is further improved, the problem of uneven dispersion of the wear-resisting agent and the nano silicon dioxide is solved, and the uniformity of the wear resistance of the printing ink is further improved.

Preferably, the wear-resisting agent consists of graphene oxide and ash calcium powder, and the weight part ratio of the graphene oxide to the ash calcium powder is 1 (1-2).

By adopting the technical scheme, the wear-resisting agent is preferably prepared from the graphene oxide and the sierozem powder in parts by weight, so that the printing ink is endowed with better wear resistance, and has better matching effect with the nano silicon dioxide and the wax emulsion, and the wear resistance and scratch resistance of the printing ink are further improved.

Preferably, the wax emulsion consists of 2-3 parts by weight of micro powder wax, 0.4-0.6 part by weight of sodium fatty alcohol-polyoxyethylene ether sulfate and 0.8-1 part by weight of OS-15.

By adopting the technical scheme, the wax emulsion composed of the components in parts by weight is preferably selected, so that the wax emulsion has the effects of better emulsifying micro wax and reducing agglomeration of the micro wax, and further the wear resistance of the printing ink is improved.

Preferably, the raw materials of the printing ink also comprise 2-4 parts by weight of a binder, and the binder consists of algin and epoxy resin.

By adopting the technical scheme, the epoxy resin in the binder is matched with the polysaccharide algin, so that the binding property of the printing ink is improved, and when the printing ink is attached to the surface of paper, the attachment property of the printing ink on the paper is improved due to the matching of the epoxy resin and the algin; when the adhesion fastness of the printing ink is good, the printing ink is not easy to fall off and scratch from the surface of paper, and the wear resistance of the printing ink is further improved.

Preferably, the weight part ratio of the algin to the epoxy resin is 1 (1-3).

By adopting the technical scheme, the binder is preferably prepared from the epoxy resin and the algin in parts by weight, so that the binder has a better binding effect, and the adhesion fastness and the wear resistance of the printing ink are improved.

Preferably, the raw materials of the printing ink also comprise 0.1 to 0.3 part by weight of methyl silicone oil.

By adopting the technical scheme, the methyl silicone oil is dissolved in the ethanol and is used as a substance with higher heat resistance and weather resistance, and the methyl silicone oil is matched with the nano silicon dioxide together, so that the heat resistance of the printing ink is improved, and the problems of pigment falling, adhesion fastness reduction and the like of the printing ink under the high-temperature condition are prevented; in addition, the methyl silicone oil is matched with the wear-resisting agent and the wax emulsion, so that the wear resistance of the printing ink is improved.

In a second aspect, the present application provides a method for preparing a printing ink, which adopts the following technical scheme:

a preparation method of printing ink comprises the following steps:

s1, mixing the micro powder wax, the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, and uniformly mixing to obtain wax emulsion;

s2, mixing acrylic resin, polyurethane resin, ethanol and water to obtain a first mixture;

and S3, mixing the first mixture with wax emulsion, pigment and binder, adding the wear-resisting agent, nano silicon dioxide, polyvinylpyrrolidone and methyl silicone oil after mixing, and obtaining the printing ink after mixing.

By adopting the technical scheme, firstly, the micro wax powder, the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15 are mixed for dispersion, so that the micro wax powder is prevented from being directly added into the printing ink to cause micro wax agglomeration; and mixing acrylic resin and polyurethane resin to obtain a binder, and finally adding wax emulsion, an anti-wear agent and the like for mixing to obtain stable and uniform printing ink.

Preferably, in the step S1, the micro wax is added into the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15 at a constant speed, and the adding speed of the micro wax is controlled to be 1-1.5 parts/min.

By adopting the technical scheme, the speed of adding the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15 into the micro wax is controlled, the agglomeration generated in the mixing process of the micro wax is reduced, the compatibility of the printing ink is improved, and the uniform wear resistance of the printing ink is further improved.

Preferably, the step S3 is to add a binder and mix with the first mixture, the wax emulsion and the pigment; after mixing, methyl silicone oil is added and mixed with silicon dioxide and polyvinylpyrrolidone.

By adopting the technical scheme, the adhesive capacity of the printing ink is improved by adding the adhesive and the methyl silicone oil step by step, so that the wear resistance of the printing ink is enhanced.

In summary, the present application has the following beneficial effects:

1. because the acrylic resin and the polyurethane resin are adopted as the binder of the printing ink, the wear resistance and the weather resistance of the printing ink are improved through the mutual matching of the acrylic resin and the polyurethane resin, and a certain environment-friendly effect is achieved; the micro wax powder belongs to superfine particles and is easy to agglomerate due to the action of molecular force; by mixing the micro wax with the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, the micro wax is fully dispersed, the agglomeration of the micro wax is reduced, and the wear resistance of the printing ink is improved; in addition, the wear-resisting agent and the nano-silica with better wear resistance are added and matched with each other, so that the wear resistance of the printing ink is improved; the polyvinylpyrrolidone is used as a dispersing agent to disperse the easily agglomerated nano silicon dioxide, so that the dispersing effect of the printing ink is improved; in conclusion, the wear-resisting property of the printing ink is improved by dispersing the micro wax powder and adding the nano silicon dioxide and the wear-resisting agent to act together.

2. In the application, graphene oxide and sierozem powder are preferably used as the wear-resistant agent, both of which have higher hardness and mechanical properties, and the wear-resistant property of the printing ink is further improved by matching the graphene oxide and sierozem powder with the wax emulsion and the nano-silica and preferably selecting the proportion of the graphene oxide and sierozem powder; in addition, a binder consisting of epoxy resin and algin is added, and the epoxy resin is matched with the algin which is a polysaccharide substance, so that the binding property between printing ink is improved, and further, when the printing ink is attached to the surface of paper, the binding power of the epoxy resin and the algin is utilized, and the attachment fastness of the printing ink on the paper is improved; in addition, the heat resistance of the printing ink is improved by adding the methyl silicone oil to be matched with the acrylic resin and the polyurethane which are used as binders, and meanwhile, the methyl silicone oil is used as a lubricant to be matched with the wear-resisting agent and the wax emulsion to improve the wear resistance of the printing ink.

3. According to the method, firstly, the micro wax is mixed with the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15, the adding speed of the micro wax is controlled so as to disperse, the agglomeration of the micro wax is reduced, and then the micro wax, the wear-resisting agent and other substances are mixed step by step and stirred, so that the uniformity of the wear resistance and the high adhesion fastness performance of the printing ink is improved.

Detailed Description

The present application is described in further detail below.

The components and manufacturers in the examples are shown in Table 1.

TABLE 1 Components and manufacturers

Example 1:

a printing ink comprises the following specific components by weight as shown in Table 2:

s1, adding the micro wax powder into the fatty alcohol-polyoxyethylene ether sodium sulfate and the OS-15 at a constant speed, mixing and stirring, wherein the adding speed of the micro wax powder is 1kg/min, and uniformly mixing to obtain wax emulsion;

s2, mixing and stirring acrylic resin, polyurethane resin, ethanol and water, and uniformly mixing and stirring to obtain a first mixture; s3, mixing and stirring the first mixture, the wax emulsion and the pigment carbon black, adding the wear-resistant agent graphene oxide, the nano silicon dioxide and the polyvinylpyrrolidone, mixing and stirring, and controlling the mixing and stirring speed to be 1000 r/min; and mixing and stirring uniformly to obtain the printing ink.

Examples 2-4 a printing ink, differing from example 1 in the specific components and weights of the anti-wear agent, included as shown in table 2.

Example 5A printing ink differs from that of example 1 in that the abrasion resistant agent uses an equal amount of polydimethylsiloxane instead of graphene oxide.

Examples 6-7A printing ink, differing from example 4 in the weight of the specific components in the wax emulsion, was comprised with the specific components and weights shown in Table 2.

Examples 8-10A printing ink, different from example 7 in that a binder was added in step S3 and mixed with the first mixture, wax emulsion, and pigment carbon black, and the specific components and weights included were as shown in Table 2.

Examples 11 to 12A printing ink was prepared in the same manner as in example 10 except that, in step S3, dimethicone was added and mixed with the anti-wear agent, nanosilica, and polyvinylpyrrolidone, and the specific components and weights thereof were as shown in Table 2.

TABLE 2 specific compositions and weights of examples 1-4, examples 6-12

Example 13A printing ink which is different from example 12 in that the addition rate of the fine wax powder in step S1 was controlled to be 1.5 kg/min.

Example 14A printing ink was prepared, which was different from example 12 in that the addition rate of the fine wax powder was controlled to 2kg/min in step S1.

Comparative example 1 an ink, which differs from example 5 in that the acrylic resin is replaced by an equal amount of polyurethane.

Comparative example 2 an ink, which differs from example 5 in that the same amount of micronized wax was used instead of sodium fatty alcohol polyoxyethylene ether sulphate and OS-15.

Comparative example 3 an ink, which differs from example 5 in that the sodium fatty alcohol polyoxyethylene ether sulphate was replaced by an equal amount of OS-15.

Comparative example 4 an ink, which differs from example 5 in that it does not contain an anti-wear agent.

Comparative example 5 an ink, which differs from example 5 in that no nanosilica is present.

Comparative example 6 an ink, different from example 5 in not containing an anti-wear agent and nano-silica comparative example 7 an ink comprising the following components in parts by weight: 30 parts of waterborne polyurethane resin, 35 parts of waterborne magenta pigment, 3.8 parts of propylene glycol, 1.2 parts of dimethylethanolamine and 30 parts of water.

The preparation method comprises the following steps: adding the waterborne polyurethane resin, propylene glycol, dimethylethanolamine and water into a stirring cylinder according to a certain proportion, adding the waterborne magenta pigment while stirring, stirring for 30 minutes on a high-speed stirrer, and then dispersing by a sand mill until the fineness reaches below 5 microns to obtain the ink product.

Detection method

Experiment one: experimental sample of abrasion resistance: examples 1 to 14 and comparative examples 1 to 7 were uniformly applied at 80g/m²The width of the clean offset paper is 50 mm; and air-dried in a laboratory at a temperature of 25 ℃ and a relative humidity of 60%. And obtaining an experimental sample after drying. The clean offset papers prepared in examples 1 to 14 were respectively named as experimental samples 1 to 14, and the clean offset papers prepared in comparative examples 1 to 7 were respectively named as comparative samples 1 to 7; of which 5 were present in each of the experimental samples 1 to 14 and the comparative samples 1 to 7.

An experimental instrument: an abrasion resistance tester (brand name: Baichuan detection instrument Co., Ltd., model number: BC-1031); a reflection type color density instrument.

The experimental method comprises the following steps: detecting the wear resistance of the printing ink according to an ink layer wear resistance experiment in 'relief decoration printed matter' of national standard GB/T3007-2008; the specific experimental steps are as follows:

(1) 5 spots were uniformly added to the test sample 1 using a reflection color densitometer.

(2) Fixing an experimental sample 1 on a friction table of a friction resistance tester, wherein the area of a layer to be measured of the experimental sample 1 is larger than the area rubbed by a friction body; fixing the experimental sample 1 on a friction body, starting a friction-resistant tester to rub back and forth for 43 times/min and 2 times/min, and stopping the machine to take down the experimental sample 1. The color density of 5 points of the experimental sample 1 was measured and averaged. The above experiments are performed on 5 experimental samples 1, and the obtained data are averaged to obtain the final wear resistance data of the experimental sample 1.

(3) The formula for calculating the abrasion resistance of the printing ink is as follows: (average density value after rubbing/average density value before rubbing) × 100%.

(4) The wear resistance tests were carried out on the experimental samples 2 to 14 and the comparative samples 1 to 7 according to the above-mentioned experimental methods.

The experimental results are as follows: the results of the abrasion resistance tests of the test samples 1 to 14 and the comparative samples 1 to 7 are shown in Table 3.

Experiment two: adhesion fastness test experimental sample: uniformly coating the examples 1-14 and the comparative examples 1-7 on coated paper, wherein the coated paper meets the GB/T10335.1 standard; the dried product was placed in a laboratory at a temperature of 25 ℃ and a relative humidity of 60% and dried. And obtaining an experimental sample after drying. The coated papers prepared in examples 1 to 14 were respectively named as experimental samples 1 to 14, and the coated papers prepared in comparative examples 1 to 7 were respectively named as comparative samples 1 to 7; of which 5 were present in each of the experimental samples 1 to 14 and the comparative samples 1 to 7.

An experimental instrument: hand exhibition instrument, glass sheet: 20mm × 20mm × 2mm, weight: 2000g, stopwatch, rubber pad 240mm × 140mm × 4mm, scotch tape, adhesive tape press (model YGJ-01, manufactured by Jinan Seisan electronics technology Co., Ltd.), disc glass tester (model YG J-01, manufactured by Jinan Sanquan Zhongshi laboratory instruments Co., Ltd.).

The experimental method comprises the following steps: the experimental samples 1 to 14 and the comparative samples 1 to 7 are subjected to an adhesion fastness experimental test by referring to a detection method of a liquid ink adhesion fastness test method of national standard GB/T13217.7-2009, and an average value is taken and calculated.

The experimental results are as follows: the results of the test for the fastness of adhesion of the test samples 1 to 14 and the comparative samples 1 to 7 are shown in Table 3.

TABLE 3 results of the abrasion resistance and adhesion fastness tests of the test samples 1 to 14 and the comparative samples 1 to 7

As can be seen from the experimental data in Table 3, the wear resistance and the adhesion fastness of the experimental samples 1 to 14 are high, and the ink after the experiment is more remained; whereas comparative samples 1-7 had lower abrasion resistance and adhesion; the wear resistance and adhesion fastness of the experimental samples 1-14 are better than the comparative samples 1-7, indicating that the printing inks prepared by this application have better wear resistance and adhesion fastness.

The comparison of the experimental sample 5 and the comparison sample 1 shows that after the acrylic resin is matched with the polyurethane resin, the wear resistance and the adhesion fastness of the printing ink can be enhanced; functional groups in the acrylic resin and the polyurethane react to form a net structure, so that the adhesive property and the wear resistance are improved; as can be seen from comparison of the experimental sample 5 and the comparative samples 2 to 3, the added OS-15 and the sodium fatty alcohol polyoxyethylene ether sulfate can enhance the wear resistance and the adhesion fastness of the printing ink; the micro wax powder is firstly mixed with OS-15 and fatty alcohol-polyoxyethylene ether sodium sulfate for dispersion, and then is added into other raw materials of printing ink for fusion, so that the agglomeration of the micro wax powder is reduced. Comparing the experimental sample 5 with the comparative samples 4 to 7, it can be seen that the wear resistance of the printing ink is improved by the combination of the wear-resistant agent and the nano silica.

Comparing the experimental samples 1-5, it can be known that the wear resistance and the adhesion fastness of the printing ink can be enhanced by adding the wear-resistant agent; graphene oxide and ash calcium powder are used as wear-resisting agents, so that the wear resistance of the printing ink is improved; the graphene oxide is connected with a large number of oxygen-containing groups on a base plane infinitely extending in a two-dimensional space formed by a layer of carbon atoms, the plane contains hydroxyl and ether groups, and the edge of the sheet layer contains carbonyl and carboxyl, so that the graphene oxide has good wettability and surface activity, and has a good intermiscibility effect with raw materials in printing ink by matching with ash calcium powder with high mechanical property, so that the wear resistance of the printing ink is improved.

Comparing the experimental sample 4 with the experimental samples 6-7, it can be seen that firstly, the micro wax powder is added with the surfactant sodium alcohol ether sulfate and OS-15, so that the micro wax powder is firstly dispersed, and the agglomeration of the micro wax powder is reduced; in addition, because the hydrophobic groups of the OS-15 and the sodium fatty alcohol polyoxyethylene ether sulfate are aliphatic hydrocarbons, the micro wax is in a long straight-chain alkane structure, the structures of the OS-15 and the sodium fatty alcohol polyoxyethylene ether sulfate are similar, the mutual solubility is good, and the micro wax is effectively emulsified. Meanwhile, the ratio of OS-15 to fatty alcohol-polyoxyethylene ether sodium sulfate is optimized, so that the effect of emulsifying the micro wax powder is better, the agglomeration of the micro wax powder is reduced, and the effect of improving the smoothness and the wear resistance of the printing ink by the micro wax powder is fully exerted.

Comparing the experimental samples 7-10, it can be known that the wear resistance and the adhesion fastness of the printing ink can be enhanced after the binder is added; the adhesive adopts algin and epoxy resin; the epoxy resin has excellent adhesive property, low curing shrinkage, high crosslinking density after curing and high friction coefficient, and can improve the adhesive property and the wear resistance of the printing ink; the algin is a substance extracted from Phaeophyta algae, mainly contains high molecular compound composed of polymannuronic acid and polyguluronic acid, and has strong binding property. The epoxy resin is matched with the algin, has a synergistic effect, improves the bonding effect jointly, and further improves the adhesion fastness of the printing ink. In addition, the epoxy resin and the graphene oxide in the wear-resisting agent act together, the epoxy resin and the graphene oxide have good interface results, and the wear resistance of the printing ink is further improved.

Comparing the experimental samples 10-12, it can be known that the wear resistance and the adhesion fastness of the printing ink can be enhanced by adding the methyl silicone oil; the methyl silicone oil has good weather resistance and lubrication, and is added into the printing ink to be matched with the wear-resisting agent, so that the smoothness and the flexibility of the printing ink are improved, and the wear resistance and the adhesion fastness of the printing ink are further improved.

Comparing the experimental samples 12-14, it can be seen that agglomeration of the micro wax powder is prevented by controlling the adding speed of the micro wax powder, so that the micro wax powder is fully mixed with the sodium fatty alcohol-polyoxyethylene ether sulfate and the OS-15, and the wear resistance and the adhesion fastness of the printing ink are improved.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.