阅读说明：本技术 一种防锈油墨 (A kind of antirust ink ) 是由 胡颖妮 胡湘仲 喻宁亚 胡伟民 苏胜培 于 2019-08-23 设计创作，主要内容包括：本发明公开的防锈油墨,包括25-30份水性聚氨酯树脂、20-30份水性丙烯酸树脂、4-6份颜料、3-4份增稠剂、0.1-0.3份分散剂、5-6份醇胺修饰无定形二氧化硅防锈填料、30-40份乙醇,10-15份去离子水。醇胺修饰无定形二氧化硅分散在油墨中,能够在金属制品表面形成致密的钝化保护膜,从而使得金属制品不容易生锈,进而保证了金属制品的包装印刷效果。另外,添加的醇胺修饰无定形二氧化硅防锈填料能够与其他成分很好地融合,协同作用,从而增强该保护膜的稳定性、致密性以及粘性,进而增强了油墨的防锈性能,有效地防止金属制品生锈。(Antirust ink disclosed by the invention, including 25-30 parts of waterborne polyurethane resins, 20-30 parts of water-based acrylic resins, 4-6 parts of pigment, 3-4 parts of thickeners, 0.1-0.3 parts of dispersing agents, the amine-modified amorphous silica antirust filler of 5-6 parts of alcohol, 30-40 parts of ethyl alcohol, 10-15 parts of deionized waters.The amine-modified amorphous silica of alcohol is dispersed in ink, can be formed fine and close passivation protection film in surface of metal product, so that metal product is not easy to get rusty, and then be ensure that the packages printing effect of metal product.In addition; the amine-modified amorphous silica antirust filler of the alcohol of addition can merge well with other compositions, synergistic effect, to enhance the stability of the protective film, compactness and viscosity; and then the rustless property of ink is enhanced, it is effectively prevented metal product and gets rusty.)

1. a kind of antirust ink, it is characterised in that: including 25-30 parts of waterborne polyurethane resins, 20-30 parts of water soluble acrylic acid trees Rouge, 4-6 part pigment, 3-4 parts of thickeners, 0.1-0.3 parts of dispersing agents, the amine-modified amorphous silica antirust filler of 5-6 parts of alcohol, 30-40 parts of ethyl alcohol, 10-15 parts of deionized waters.

2. antirust ink as described in claim 1, it is characterised in that: including 27 parts of waterborne polyurethane resins, 25 parts aqueous third Olefin(e) acid resin, 5 parts of pigment, 3.5 parts of thickeners, 0.2 part of dispersing agent, the amine-modified amorphous silica antirust filler of 5.5 parts of alcohol, 32 parts of ethyl alcohol, 13 parts of deionized waters.

3. antirust ink as described in claim 1, it is characterised in that: the amine-modified amorphous silica antirust filler of alcohol Preparation method the following steps are included:

1) ingredient: preparing the water glass solution that dioxide-containing silica is 5~25wt%, and compound concentration is the sulfuric acid of 10~50wt% Solution；

2) it synthesizes: sulfuric acid solution being added into reaction kettle, adding water glass solution adjustment system pH is 1~4；It stirs evenly 30~120 minutes are stood afterwards, reaction temperature is 30~60 DEG C；The pH value of mixed solution is adjusted after standing to 6~8, simultaneously 70~100 DEG C are warming up to, is kept for 10~120 minutes；

3) regulation system pH value is kept for 20 minutes to 2~4；

4) reaction product is filtered washing, hydramine is added after filtration washing, is then spray-dried, crushed.

4. antirust ink as claimed in claim 3, it is characterised in that: the amine-modified amorphous silica antirust filler of alcohol Preparation method the following steps are included:

1) ingredient: preparing the water glass solution that dioxide-containing silica is 20wt%, and compound concentration is the sulfuric acid solution of 30wt%；

2) it synthesizes: sulfuric acid solution being added into reaction kettle, adding water glass solution adjustment system pH is 1.5；Water glass is added The time of glass solution is 30 minutes；90 minutes are stood after mixing evenly, reaction temperature is 50 DEG C；It is molten that mixing is adjusted after standing The pH value of liquid is warming up to 90 DEG C to 8, is kept for 30 minutes；

3) regulation system pH value is kept for 20 minutes to 3.5；

4) reaction product is filtered washing, hydramine is added after filtration washing, is then spray-dried, crushed.

5. antirust ink as claimed in claim 3, it is characterised in that: in step 4), the reaction product filtration washing to electricity 50 μ S/cm of conductance <.

6. antirust ink as claimed in claim 3, it is characterised in that: spray drying exit temperature is 110~150 DEG C, described The amine-modified amorphous silica antirust filler of alcohol is crushed to 2~4 μm.

7. antirust ink as claimed in claim 3, it is characterised in that: include: in step 4), the hydramine is ethanol amine or 6- One or both of amino -1- hexanol.

8. antirust ink as claimed in claim 7, it is characterised in that: in step 4), the weight of the silica, the hydramine Amount is than being 100:(1~5).

9. antirust ink as claimed in claim 1 or 2, it is characterised in that: the thickener is polyurethane thickener.

10. antirust ink as claimed in claim 1 or 2, it is characterised in that: the dispersing agent is the dispersion of polynary acid copolymer Agent.

Technical field

The present invention relates to a kind of technical field of ink, and in particular to a kind of antirust ink.

Background technique

Ink is important materials used for printing packaging materials, it is expressed the pattern and text on stock by printing. Ink mainly includes main component and auxiliary element, they equably mix and flow through repeat-rolling into a kind of viscosity is gluey Body.When ink is printed on metal product, in a humidity environment, since metal product dampness gets rusty easily, so that Ink falls off, and then influences the packaging of metal product.

Summary of the invention

For overcome the deficiencies in the prior art, it is an object of the present invention to: a kind of antirust ink, the antirust oil are provided The good antirust property of ink, can effectively prevent metal product and gets rusty, and then ensure that the packages printing effect of metal product.

The purpose of the present invention adopts the following technical scheme that realization:

A kind of antirust ink, including 25-30 parts of waterborne polyurethane resins, 20-30 parts of water-based acrylic resins, 4-6 parts of face Material, 3-4 parts of thickeners, 0.1-0.3 parts of dispersing agents, the amine-modified amorphous silica antirust filler of 5-6 parts of alcohol, 30-40 parts of second Alcohol, 10-15 parts of deionized waters.

Further, including 27 parts of waterborne polyurethane resins, 25 parts of water-based acrylic resins, 5 parts of pigment, 3.5 parts thickening Agent, 0.2 part of dispersing agent, the amine-modified amorphous silica antirust filler of 5.5 parts of alcohol, 32 parts of ethyl alcohol, 13 parts of deionized waters.

Further, the amine-modified amorphous silica antirust filler of the alcohol preparation method the following steps are included:

1) ingredient: preparing the water glass solution that dioxide-containing silica is 5~25wt%, and compound concentration is 10~50wt%'s Sulfuric acid solution；

2) it synthesizes: sulfuric acid solution being added into reaction kettle, adding water glass solution adjustment system pH is 1~4；Stirring 30~120 minutes are stood after uniformly, reaction temperature is 30~60 DEG C；The pH value of mixed solution is adjusted after standing to 6~8, It is warming up to 70~100 DEG C simultaneously, is kept for 10~120 minutes；

3) regulation system pH value is kept for 20 minutes to 2~4；

4) reaction product is filtered washing, hydramine is added after filtration washing, is then spray-dried, crushed.

Further, the amine-modified amorphous silica antirust filler of the alcohol preparation method the following steps are included:

1) ingredient: preparing the water glass solution that dioxide-containing silica is 20wt%, and compound concentration is that the sulfuric acid of 30wt% is molten Liquid；

2) it synthesizes: sulfuric acid solution being added into reaction kettle, adding water glass solution adjustment system pH is 1.5；It is added The time of water glass solution is 30 minutes；90 minutes are stood after mixing evenly, reaction temperature is 50 DEG C；It is adjusted after standing mixed The pH value of solution is closed to 8, while being warming up to 90 DEG C, is kept for 30 minutes；

3) regulation system pH value is kept for 20 minutes to 3.5；

4) reaction product is filtered washing, hydramine is added after filtration washing, is then spray-dried, crushed.

Further, in step 4), the reaction product filtration washing to 50 μ S/cm of conductivity <.

Further, spray drying exit temperature is 110~150 DEG C, the amine-modified amorphous silica antirust of alcohol Filler is crushed to 2~4 μm.

Further, comprising: in step 4), the hydramine is one or both of ethanol amine or 6- amino -1- hexanol.

Further, in step 4), the silica, the hydramine weight ratio be 100:(1~5).

Further, the thickener is polyurethane thickener.

Further, the dispersing agent is polynary acid copolymer.

Compared with prior art, the beneficial effects of the present invention are:

The present invention is added to the amine-modified amorphous silica antirust filler of alcohol in ink.The amine-modified amorphous dioxy of alcohol SiClx is dispersed in ink, on the one hand, can be adsorbed attack ion, be delayed anode ferrous or the generation of iron ion；On the other hand, Silica can dissociate under alkaline condition, release silicate ion.When cathode reacts, after region alkalinity increases, meeting Consumption hydroxide ion simultaneously releases silicate ion.Silicate ion and ferrous or iron ion generate insoluble silicate class, Covered cathode and anode surface, forming fine and close passivation protection film in surface of metal product prevents gold to protect metal product Metal products dampness is got rusty, and then ensure that the packages printing effect of metal product.In addition, the amine-modified amorphous dioxy of alcohol of addition SiClx antirust filler can merge well with other compositions, synergistic effect, to enhance the stability of the protective film, compactness And viscosity, and then the rustless property of ink is enhanced, it is effectively prevented metal product and gets rusty.

Specific embodiment

In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.This reality Apply employed in example to material be commercially available.

Polyacid copolymer dispersant model in comparative example and embodiment below are as follows: OROTAN^TM731A, polyurethane Thick dose of model are as follows: RM-12W is commercially available.

Comparative example 1:

A kind of antirust ink, including 27 parts of waterborne polyurethane resins, 25 parts of water-based acrylic resins, 5 parts of pigment, 3.5 parts Polyurethane thickener, 0.2 part of polyacid copolymer dispersant, 5.5 parts of amorphous silica antirust fillers, 32 parts of ethyl alcohol, 13 Part deionized water.

Wherein, the amorphous silica antirust filler in comparative example 1 is prepared by the following method:

5000 grams of sulfuric acid solution of 10wt% are added into reaction kettle, adds 25wt% water glass solution adjustment system pH Value is 1.5；The time that water glass solution is added is 120 minutes；30 minutes are stood after mixing evenly, reaction temperature is 30 DEG C；It is quiet The pH value of mixed solution is adjusted to 6 with 10% sodium hydroxide solution after setting, while being warming up to 100 DEG C, is kept for 120 minutes； With 10% sulfuric acid solution regulation system pH value to 2, kept for 20 minutes；Reaction product is filtered washing to conductivity < 50 μ S/cm, spray drying exit temperature are 150 DEG C, are crushed to 2 μm.

Its physical and chemical performance is as shown in table 1:

Table 1

Number index	Oil factor g/g	Hole holds ml/g	Bi Biao Mian Ji ㎡/g
				Comparative example 1-1	1.12	1.28	482
Comparative example 1-2	1.09	1.27	468
				Comparative example 1-3	1.14	1.26	487
Comparative example 1-4	1.07	1.19	466
				Comparative example 1-5	1.15	1.30	458