CN105482513B - The modification process for dispersing and high temperature resistant ink of ink glass dust and pigment - Google Patents
The modification process for dispersing and high temperature resistant ink of ink glass dust and pigment Download PDFInfo
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- CN105482513B CN105482513B CN201410534560.5A CN201410534560A CN105482513B CN 105482513 B CN105482513 B CN 105482513B CN 201410534560 A CN201410534560 A CN 201410534560A CN 105482513 B CN105482513 B CN 105482513B
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Abstract
The invention discloses a kind of ink glass dust and the modification process for dispersing of pigment, including：Glass dust and pigment particle surface are modified with the first modifying agent comprising the first modification group and the second modifying agent comprising the second modification group respectively, wherein first modification group is different from the second modification group；And mix modified glass dust and pigment in selected solvent, the first modification group for making to be distributed in glass dust surface crosslinks reaction with being distributed in the second modification group of pigment particle surface, so that glass dust and pigment are dispersed.The invention also discloses a kind of high temperature resistant ink.Advantages of the present invention includes：Good scattered of glass dust and pigment can be realized so that the ink blackness after printing keeps uniform；Can solve the problems, such as glass dust and the pigment free settling in ink system, avoid the phenomenon of growing dim after ink printing solidification, and then lift the quality of print product, therefore have a good application prospect.
Description
Technical field
The present invention relates to a kind of ink, modification process for dispersing and the resistance to height of more particularly to a kind of ink glass dust and pigment
Warm ink, belongs to technical field of ink.
Background technology
High temperature resistant ink currently used in the market, glass dust proportion is very big in its element, and
As main high temperature resistant material and main film forming matter, position of the glass dust in ink seems particularly significant, but due to glass dust
The inertia of itself so that it is poor with the matching of general inorganic pigment pigment, causes scattered bad, and frequently results in some prints
The appearance of sex chromosome mosaicism is decorated after brush.It is bigger additionally, due to itself proportion, in ink disperse after also easily occur sedimentation and
Cause ink property unstable.Simultaneously as the requirement of aesthetic property so that played in ink the pigment of pigmentation and resin,
Compatibility and dispersing uniformity between pigment and film forming matter glass dust and glass dust and resin, which also turn into, weighs ink quality
One key factor of quality.Therefore, reduce ink in glass dust settleability and improve inactive surfaces glass dust and its
Combination compatibility between his material just turns into the task of top priority urgently to be resolved hurrily.
The content of the invention
In view of the shortcomings of the prior art, it is a primary object of the present invention to provide changing for a kind of ink glass dust and pigment
Property process for dispersing, so as to overcome due to glass dust, pigment is scattered uneven and settlement action caused by problems, make oil
Ink can keep good uniformity of chromaticity.
Another object of the present invention is to provide a kind of high temperature resistant ink, it has a good stability, long shelf-life, and by
The printing quality and sensory effects of its print product formed are preferable.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention includes：
A kind of modification process for dispersing of ink glass dust and pigment, including：
Respectively with the first modifying agent comprising the first modification group and the second modifying agent comprising the second modification group to glass
Glass powder and pigment particle surface are modified, wherein first modification group is different from the second modification group；
And mix modified glass dust and pigment in selected solvent, make to be distributed in the first of glass dust surface
Modification group crosslinks reaction with being distributed in the second modification group of pigment particle surface, so that glass dust and pigment are uniform
It is scattered.
Further, first modification group or the second modification group preferably from but be not limited to amino, vinyl, ring
Epoxide, acrylate-based or acryloxy.
Further, the glass dust preferably is selected from lead-free glass powder, and the granularity of the lead-free glass powder is preferably 500-
2000 mesh, fusing point are preferably 350-1000 DEG C.
Further, face that the pigment preferably is selected from being resistant to 300 DEG C of temperatures above, that granularity is 300-1500 mesh
Material, such as cobalt black, cobalt blue, titanium dioxide, nickel titanium yellow, copper-chrome black, iron oxide red, cobalt green, siderochrome are any of black or two or more
Combination, but not limited to this.
Further, the selected solvent preferably from but be not limited to benzene,toluene,xylene, ethanol, acetone, n-hexane,
Dioxane, DBE, any of butyl ether, butyl acetate or two or more combinations.
Among a preferred embodiment, the modification process for dispersing of the ink glass dust and pigment can include as follows
Step：
(1) glass dust, pigment are respectively placed in the ethanol solution containing the modifying agent of 10wt%-50wt% first and contained
In the ethanol solution of the modifying agent of 10wt%-50wt% second, 0.5-2h is stirred under conditions of being 20 DEG C -80 DEG C in temperature, afterwards
Cooling, filtering, drying, obtain modified glass powder and modified pigment；
(2) by modified glass powder and modified pigment according to 3:1-1:3 mass ratio is mixed, and adds selected solvent,
Fully it is stirred after wetting, modified glass powder is fully contacted with modified pigment, so that is distributed in the of glass dust surface
One modification group and it is distributed in the second modification group of pigment particle surface and crosslinks reaction, realizes the equal of glass dust and pigment
It is even scattered.
Further, first modifying agent and the second modifying agent preferably are selected from silane coupler.
A kind of high temperature resistant ink, comprising：
The dispersed glass dust and pigment prepared using foregoing any method；
And to cooperatively form the assistant agent of high temperature resistant ink with the glass dust and pigment.
Further, the assistant agent includes binder resin.
More preferable, the binder resin includes can be with being distributed in modified glass powder and/or modified pigment table
The active organic group in face carries out the organic group of cross-linking reaction.
Particularly preferably, the binder resin, which includes, to modify base with being distributed in the first of modified glass powder surface
The second modification group for rolling into a ball and/or being distributed in modified pigment surface carries out the organic group of cross-linking reaction, for example, the binder
Resin can use acrylic resin etc..
In addition, the assistant agent can also include known in the art, the suitable levelling agent that is usually used in high temperature resistant ink, defoamer,
Thickener and remaining secondary solvent etc..
The present invention makes its surface carry reactive group by being modified to surface inactive glass dust, on the one hand,
These groups can be with reaching uniform scattered by the pigment that surface is modified by chemical action；On the other hand, it is consequently formed
Dispersed inorganic crosslinking powder in the preparation process of ink, its complete reactive group of surface unreacted can also be utilized
Group further reacts with the binder such as binder resin and auxiliary agent, so as to further improve the compatibility of ink system.
Postscript, the formation of foregoing dispersed inorganic crosslinking powder, and inorganic crosslinking powder surface have more than needed modified group with being connected
Expect the anchorage effect between resin, can also effectively avoid because sedimentation of the glass dust in ink system and caused by system not
It is stable, so as to improve the storage stability of ink itself, extend storage life, meanwhile, dispersed pigments system can also enter
One step improves the printing quality and sensory effects of product, and being provided for many industries higher to cosmetic requirement more has quality
Material ensures.
It is summarized, compared with prior art, advantages of the present invention includes：One, it is possible to achieve glass dust is good with pigment
It is scattered so that the ink blackness after printing keeps uniform；Second, it is easily heavy in ink system to solve glass dust and pigment
The problem of drop, and then the quality of print product can be lifted, therefore have a good application prospect.
Specific embodiment
One aspect of the present invention provides a kind of ink and used, the particularly crosslinking of high temperature resistant ink glass dust and pigment
Modified process for dispersing, to overcome the settleability of glass dust and the phase of glass dust and other materials, particularly pigment in ink
Capacitive problem.
More concretely, the method that the cross-linked disperse is modified includes：
First, glass dust and pigment are carried out with the modifying agent (such as silane coupler) containing different activities group respectively
It is modified,
Then, modified glass dust and pigment are mixed, then in right amount organic molten is added to the mixture of two kinds of powders
Agent so that the modified group for coming from a kind of modifying agent (being assumed to be modifier A) on glass dust surface and coming from separately for surface of pigments
A kind of reacting for modified group of modifying agent (being assumed to be modifying agent B), is uniformly divided so as to reach glass dust with pigment
Dissipate the effect of mixing.
Further, when using silane coupler etc. as modifying agent, two kinds of powders of glass dust and/or pigment are distributed in
Surface modified group more than needed can crosslink reaction in ink with binder resin so that the compound of two kinds of powders
It can preferably disperse to be suspended in ink system, so as to can both avoid glass dust because gravitational settling effect causes ink body
It is unstable, problem of being grown dim caused by can also being avoided because of uniform mix of glass dust and pigment after ink printing solidification so that
Ink blackness keeps uniform.
Aforementioned modifiers A or B are respectively living comprising amino, vinyl, epoxy radicals, acrylate-based, acryloxy etc.
The modifying agent of property group；But foregoing active group A from it is different in B when occur, and contained active group can be mutually opposite in A, B
Should.
With reference to embodiment, the present invention is furture elucidated.These embodiments are merely to illustrate the present invention, rather than limit
The scope of the present invention processed.
Embodiment 1：
(1) the lead-free glass powder 500g first by fusing point for 400 DEG C of 500 mesh, it is placed in the 500mL that mass concentration is 10%
In coupling agent γ-(2,3- the third oxygen of epoxy) propyl trimethoxy silicane ethanol solution, 1h is stirred under the conditions of 50 DEG C, it is cooled
Filter, be dried for standby；Again by the cobalt black pigment 500g of 300 mesh, 500mL coupling agents γ-aminopropyl that mass concentration is 10% is placed in
In triethoxysilane ethanol solution, 1h is stirred at ambient temperature, cold filtration, is dried for standby；
(2) the modified glass powder 300g prepared in step (1) and modified pigment 100g is taken to carry out closed dry powder blend
30min, DBE solvent 500mL are then added thereto, stir 3h so that in the case of glass dust and the abundant wetting and dispersing of pigment
Realized and be uniformly distributed by the cross-linking reaction of coupling agent.
Embodiment 2：
(1) it is even to be placed in the 500mL that mass concentration is 30% by the 800 mesh lead-free glass powder 500g that fusing point is 600 DEG C first
Join in agent gamma-aminopropyl-triethoxy-silane ethanol solution, stir 2h at ambient temperature, cold filtration, be dried for standby；Again will
The copper-chrome black 500g of 600 mesh, it is placed in 500mL coupling agents γ-glycidyl ether oxygen propyl front three that mass concentration is 30%
In base silane ethanol solution, 2h is stirred under the conditions of 50 DEG C, cold filtration, is dried for standby；
(2) the modified glass powder prepared in step (1) and each 300g of modified pigment is taken to carry out closed dry powder blend, Ran Houxiang
Wherein add toluene and press 1 with ethyl acetate:The solvent 500mL that 1 ratio is prepared, stir 3h so that glass dust and pigment fully moisten
Hygroscopic water is realized by the cross-linking reaction of coupling agent in the case of dissipating and is uniformly distributed.
Comparative example 1,2：
The unmodified glass dust correspondingly used in above example 1, embodiment 2 is mixed respectively with pigment, mixed
It is standby after closing uniformly.
The test of settling property：
It will be formulated the glass dust and the compound according to the form below 1 of pigment that are prepared in above-described embodiment 1,2 and comparative example 1,2 Suo Shi
Ink is made, is contained in transparent closed glass container and observes its settleability, it is as a result as shown in table 2 below：
The ink formulations of table 1
| Material name | Addition/g |
| Acrylic resin | 500 |
| Glass dust | 200 |
| Pigment | 100 |
| Levelling agent | 8 |
| Defoamer | 10 |
| Thickener | 1 |
| Solvent | 100 |
The sedimentation time of table 2 determines
| Project | Sedimentation time/day |
| Embodiment 1 | 10 |
| Comparative example 1 | 2 |
| Embodiment 2 | 15 |
| Comparative example 2 | 4 |
The blackness uniformity is tested：
It will be formulated the glass dust and the compound according to the form below 1 of pigment that are prepared in above-described embodiment 1,2 and comparative example 1,2 Suo Shi
Ink is made.After obtained ink is carried out into silk-screen printing on glass, by embodiment after preliminary drying 4min in 180 DEG C of baking ovens
1st, the ink coating that in embodiment 2 and its comparative example 1,2 prepared by obtained compound is respectively put into 500 DEG C, 650 DEG C of Muffle furnace
Cooling is taken out after middle solidification 30min.Ball is integrated with ultraviolet specrophotometer, takes 3 different parts to survey in same coating surface
Its absorbance is tried, takes the absorption peak under 450nm, 550nm, 650nm, 750nm wavelength to be contrasted respectively.Test result pair
Such as shown in table 3 below, table 4.
The ultraviolet integration ball measure absorbance of table 3
The ultraviolet integration ball measure Relative Absorbance value changes ratio (be worth on the basis of 1.28 and calculate) of table 4
Settling property test is carried out more than and blackness uniformity test data can be seen that by the glass after surface treatment
Ink prepared by the compound of glass powder and pigment, its settleability are much better than unmodified glass dust and pigment directly are mixed into system
Standby ink.In addition, it can be seen that the glass dust after surface treatment and pigment are carried out again from blackness uniformity test result
The ink coating for preparing after reactivity mixing, the absorbance of its each point be evenly distributed it is stable substantially unchanged, it is and directly mixed
Ink coating prepared by the glass dust and pigment of conjunction, the absorbance of its each point have obvious different (absorbance tables herein
The situation of change of coating blackness is levied, absorbance is higher, and blackness is bigger), it is inadequate to illustrate that glass dust disperses with pigment in ink
Uniformly, after therefore being modified reactivity mixing again by surface, the uniformity of its ink blackness prepared is greatly improved.
Technical scheme is described in detail embodiment described above, it should be understood that it is described above only
For the specific embodiment of the present invention, it is not intended to limit the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. modification process for dispersing of ink glass dust and pigment, it is characterised in that including：Respectively with the first modifying agent comprising the first modification group, the second modifying agent comprising the second modification group to glass dust, Pigment particle surface is modified, wherein first modification group is different from the second modification group；And mix modified glass dust and pigment in selected solvent, make the first modification for being distributed in glass dust surface Group crosslinks reaction with being distributed in the second modification group of pigment particle surface, so that glass dust and pigment uniformly divide Dissipate；Wherein, the granularity of the glass dust is 500-2000 mesh, and the granularity of the pigment is 300-1500 mesh.
- 2. the modification process for dispersing of ink glass dust and pigment according to claim 1, it is characterised in that：Described first repaiies Adorn group or the second modification group includes amino, vinyl, epoxy radicals, acrylate-based or acryloxy.
- 3. the modification process for dispersing of ink glass dust and pigment according to claim 1, it is characterised in that：The glass dust For lead-free glass powder, the fusing point of the lead-free glass powder is 350-1000 DEG C.
- 4. the modification process for dispersing of ink glass dust and pigment according to claim 1, it is characterised in that：The pigment is The pigment of 300 DEG C of temperatures above can be resistant to.
- 5. the modification process for dispersing of ink glass dust and pigment according to claim 4, it is characterised in that：The pigment choosing From cobalt black, cobalt blue, titanium dioxide, nickel titanium yellow, copper-chrome black, iron oxide red, cobalt green, siderochrome be any of black or two or more combinations.
- 6. the modification process for dispersing of ink glass dust and pigment according to claim 1, it is characterised in that described selected molten Agent be selected from benzene,toluene,xylene, ethanol, acetone, n-hexane, dioxane, DBE, any of butyl ether, butyl acetate or Two or more combinations.
- 7. according to ink glass dust any one of claim 1-6 and the modification process for dispersing of pigment, it is characterised in that Comprise the following steps：(1) glass dust, pigment are respectively placed in the ethanol solution containing the modifying agent of 10wt%-50wt% first, contain 10wt%- In the ethanol solution of the modifying agent of 50wt% second, 0.5-2h is stirred under conditions of being 20 DEG C -80 DEG C in temperature, afterwards cooling, mistake Filter, drying, obtain modified glass powder and modified pigment；(2) by modified glass powder and modified pigment according to 3:1-1:3 mass ratio is mixed, and adds selected solvent, fully It is stirred after wetting, modified glass powder is fully contacted with modified pigment, so that be distributed in glass dust surface first repaiies Decorations group crosslinks reaction with being distributed in the second modification group of pigment particle surface, realize glass dust and pigment uniform point Dissipate.
- 8. the modification process for dispersing of ink glass dust and pigment according to claim 7, it is characterised in that：Described first changes Property agent and the second modifying agent are selected from silane coupler.
- A kind of 9. preparation method of high temperature resistant ink, it is characterised in that including：Using the side any one of claim 1-8 Method is modified decentralized processing to ink with glass dust and pigment, cooperatively forms high temperature resistant ink, the assistant agent with assistant agent afterwards Comprising binder resin, the binder resin includes can be with being distributed in modified glass powder and/or modified pigment surface Active organic group carries out the organic group of cross-linking reaction.
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| CN108822661A (en) * | 2018-05-29 | 2018-11-16 | 芜湖市元奎新材料科技有限公司 | Waterborne flame retardant damping paint |
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| CN108912860A (en) * | 2018-05-29 | 2018-11-30 | 芜湖市元奎新材料科技有限公司 | Aqueous damping coating and preparation method thereof |
| CN110838384B (en) * | 2019-11-29 | 2021-10-12 | 佛山市瑞福物联科技有限公司 | Color silver paste and preparation method thereof |
| CN111560184A (en) * | 2020-05-26 | 2020-08-21 | 广东健诚高科玻璃制品股份有限公司 | High-temperature offset printing ink for preparing glass decal paper and preparation method thereof |
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| US7510760B2 (en) * | 2005-03-07 | 2009-03-31 | Boardof Trustees Of The University Of Arkansas | Nanoparticle compositions, coatings and articles made therefrom, methods of making and using said compositions, coatings and articles |
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