CN104710855A - Novel new formula PVC decorative material gravure printing ink - Google Patents
Novel new formula PVC decorative material gravure printing ink Download PDFInfo
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- CN104710855A CN104710855A CN201310678517.1A CN201310678517A CN104710855A CN 104710855 A CN104710855 A CN 104710855A CN 201310678517 A CN201310678517 A CN 201310678517A CN 104710855 A CN104710855 A CN 104710855A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
Abstract
The invention discloses a novel new formula PVC decorative material gravure printing ink. Drying of the novel new formula PVC decorative material gravure printing ink is influenced by acidity of a wetting agent, printing ink layer thickness, the times of laminating ink printing, and different printing environments. Air flowing of the printing environment is capable of providing sufficient air oxygen, and oxygen supplement is realized continuously, so that oxidation polymerization speed of printing ink is accelerated. The novel new formula PVC decorative material gravure printing ink comprises following ingredients: 40% of a pigment, 50% of a binder, 2% of a filling material, 3% of a diluent, 1% of an anti-skinning agent, 1% of a reverse printing inhibitor, 2% of a slipping agent, 0.3% of a dispersant, 0.2% of the wetting agent, 0.3% of a drying agent, and 0.2% of a stabilizing agent.
Description
(1) field
The novel new formula PVC decorative material gravure ink of the present invention belongs to chemical field.
(2) brief introduction
Along with the develop rapidly of Chinese national economy, the prosperity of press-packaging industry has driven the manufacturing Fast Growth of ink, China is emerged rapidly between the nearest more than ten years and becomes one of ink manufacture big country of the world, current domestic ink industry size just maintains sustained and rapid growth with the speed of more than 10%.
The ink feature of environmental protection that current domestic production goes out is not strong, and even some is below standard, and high-grade ink is under-supply in addition.
The development history of overall ink industry is positive, but some shortcomings existed and weak tendency, we also will improve and strengthen the market competitiveness of oneself, strengthen the input in science and technology of industry, strengthen the exploitation of environment-friendly ink, the development of ink should take autonomous innovation as main direction.
Strengthen cultivation of ink theoretical investigation and skilled personnel etc.The enforcement of these measures, will push peak to the development of ink.
(3) definition and application
Colorant comprises pigment and dyestuff, and pigment divides pigment dyestuff and mineral dye, and the former tone is bright-coloured, strong coloring force, and it is short to put the dry time, so apply comparatively wide in ink, as azo system, the blue or green series pigments of phthalein.
The latter's photostabilization, thermotolerance, solvent resistance, hidden power are all better, as titanium white, cadmium red, chrome green, ultramarine etc.Pigment is painted with particulate, does not dissolve, and is colorant the most frequently used in ink.And dyestuff is mixed with solution in use, painted in molecular state, effect is not as pigment.
Colorant can give ink with distinct colors and depth of shade, and makes ink have certain viscosity and drying property.
Binder is also one of main component of ink, plays the instrumentality of dispersion color and auxiliary material, is to be dissolved in siccative oil or solvent obtained by a small amount of natural resin, synthetic resins, Mierocrystalline cellulose, rubber derivative etc.
There is certain mobility, make ink form uniform thin layer after printing, be formed with the rete of some strength after drying, and pigment is shielded, make it be difficult to come off.
Low-melting ink vehicle has a significant impact the printability such as transitivity, brightness, set speed of ink and printing effect.
Therefore, select suitable binder to be one of key ensureing that printing is good, according to the difference of wrapping material, print request etc., composition and the proportioning of low-melting ink vehicle can be adjusted at any time.
(4) composition and composition
Ink ancillary component is a lot, mainly contains following several:
1. weighting agent
It is the auxiliary agent of novel adjustment printing ink concentration, can also increase the thickness of ink rete, improves its wear resistance, and it does not have tinting strength and an opacifying power.
Mainly contain barium sulfate, talcum powder, calcium carbonate, aluminium hydroxide etc., ground into white powder during use.
2. thinner
Its effect reduces ink viscosity, prevents stripping phenomenon, make ink have operation adaptive.Conventional thinner has oligomerization oleum lini, mineral wet goods.
The former easily mixes with ink, acts on soft; The latter's dilution effect is obvious, but must guard against excessive, otherwise printing effect is bad.
3. anti skinning agent
Its effect is the rate of drying suppressing ink, prevents ink mechanically dry conjunctiva.Its main component is organic reducing agent and oxidation inhibitor.
It can make an addition in ink, also can spreading in contact ink mechanically.
4. anti-reverse-printed agent
Its effect prevents printing ink layer from printing to back side of paper, to ensure printing quality.The most frequently used anti-reverse-printed agent is W-Gum.
5. slip(ping)agent
Its effect is rub resistance and the mobility of improving ink, reduces viscosity, improves the smooth finish of rete, reduces paper fussed phenomenon.
Slip(ping)agent conventional in ink has dystectic Microcrystalline Wax, synthetic wax etc.
6. other auxiliary agents
Other auxiliary agents also have a lot, such as dispersion agent, wetting agent, siccative, stablizer etc.
The classification of ink.Modern ink is mainly divided into four large classes by version type:
1. letterpress ink
In order to a class ink of Printing books and periodicals, newspaper, picture album, document, account book etc.
The principal character of letterpress is that printing surface inking part protrudes from non-inking part.
Letterpress ink divides again letterpress printing ink, copper plate printing ink, relief printing plate rotary ink, flexible convex printing ink by the purposes of printing press kind and printing product.
2. planographic ink
Be applicable to a lithographic class ink.Lithographic space of a whole page each several part is in a plane substantially, figure line place oleophylic, and non-figure line place is hydrophilic, and the principle utilizing profit to repel each other is printed, therefore planographic ink must possess water repelling property.
Flexographic ink, web offset ink, flat flexographic ink, waterless offset ink, tin printing ink, lithographic printing ink is divided into by technique.
3. base gravure ink
Be suitable for a class ink of intaglio printing.Be recessed into the figure line part inking in the space of a whole page during printing, the ink of non-figure line part wiped or scraping, then prints.
Have plate engraving ink and photogravure ink point.
4. mesh printing ink
To be bitten the class ink that surface carries out printing of undertaking the printing of by the mesh of forme.Mesh printing ink is divided into again stencil ink and silk-screen plate ink.
Ink manufacturing process can be divided into stir pre-dispersed and grinding finely divided two stages.
The pigment prepared and low-melting ink vehicle are stirred into soup compound by the former in container; The latter still needs to grind finely divided in the slurry stirred again, and overcomes the cohesive force of pigment, finally become the ink of suspensoid shape with larger mechanical pressure and shearing force.
Want ink to meet environmental requirement, first should change ink composition, namely adopt ep-type material preparation novel ink.
At present, environment-friendly ink mainly contains aqueous ink, UV ink, water-based UV ink and some alcohol dissolubilities ink.
The maximum difference of water color ink and solvent type ink, is that the solvent that it uses is water instead of organic solvent.
Obvious minimizing VOC quantity discharged, energy air conservation, does not affect HUMAN HEALTH, nonflammable, and ink is stablized, bright in luster, do not corrode plate, simple to operate, low price, after print, attached outstanding power is good, and water resisting property is strong, rapidly dry, therefore is specially adapted to the package printed matters such as food, beverage, medicine.
Ultraviolet light polymerization (UV) ink refers under uviolizing, utilizes the UV-light of different wave length and energy to make ink film forming and dry ink.
Utilize different UV spectrum, can different-energy be produced, the monomer polymerization in different ink vehicle is become polymkeric substance, so the look film of UV ink has good machinery and chemical property.
The major advantage of UV ink has:
(1) without solvent;
(2) rate of drying is fast, and power consumption is few;
(3) good luster, bright in luster;
(4) water-fast, solvent resistant, wear resisting property is good.
In UV ink, light trigger is novelly subject to light activated compound.
After absorb light is shone, be excited into free radical, energy trasfer, to photosensitivity molecule or photocrosslinking agent, makes UV ink that photocuring reaction occur.
Current UV ink has become novel more ripe ink technology, and its pollutant emission is almost nil.Except not containing solvent, UV ink also just like not easily scumming, the advantages such as site is clear, the bright-coloured light of mass colour, and chemical resistance is excellent, low-consuming.
Water-based UV ink is the new direction of current UV ink area research.
Prepolymer viscosity in common UV ink is general all very large, need add reactive thinner dilution.And the thinner acrylic ester compound used at present has skin irritation in various degree and toxicity, therefore while development low-viscosity prepolymer and hypotoxicity reactive thinner, another developing direction is research water-based UV ink, namely using water and ethanol etc. as thinner.
Current water-based UV ink is succeeded in developing, and obtains application in some printings.
In addition, the alcohol-soluble printing ink mainly played a role in flexo is also the ink that novel public hazards are very little, be mainly used in food, medicine, beverage, tobacco and wine and with the aspects such as the daily necessities packages printing of human contact.
The dry more complicated of ink, mainly contains following three kinds of forms.
Infiltration is dry.Low-melting ink vehicle in ink, some penetrates in stock, another part anchor at together with pigment stock surface and dry.
The non-thermosettable rotary ink that high speed web press uses, generally to permeate drying, main print newspapers, periodical.
Oxypolymerization is dry.Low-melting ink vehicle in ink and the oxygen polymerization reaction take place in air, dry at stock surface filming.
Offset printing light resin ink, bright-colored, glossiness is good, mainly dry based on oxypolymerization, for printing high-grade meticulous Offset Printing Products.
Volatile dry.Part low-melting ink vehicle in ink, evaporate in air, remaining low-melting ink vehicle together with pigment anchor at stock surface and dry.
Gravure printing ink volatile-type solvent is low-melting ink vehicle, and low-melting ink vehicle used is the benzene, the dimethylbenzene that human body are had to harm.
Having have developed with water is at present the water color ink of solvent, for gravure and flexographic printing, decreases the pollution to environment, rising.The ink of volatile dry is particularly suitable for printing does not have absorbefacient thin-film material, as plastics film, tinsel etc.
In addition, the drying of ink also has the various ways such as ultraviolet, infrared rays, thermofixation.
The drying of much ink is usually that two kinds of dried forms have combined ink film drying.
In printing process, if the underdry of ink, the printing troubles such as the tarnish of detecting back sides of printed sheets set-off, page sticking, ink film, ink " crystallization " will be caused.
In order to accelerate the rate of drying of ink, siccative can be added in ink.
Conventional siccative has: the dry oil of cobalt, the dry oil of manganese, plumbous dry wet goods.In order to reduce the rate of drying of ink, drying retarder can be added in ink.
The drying property of ink is mainly determined by the kind of low-melting ink vehicle and character thereof.When the model of ink or kind difference, the composition of low-melting ink vehicle is different, and its dried forms is not identical with drying property yet.
If the drying property of resin type ink is higher than oil type ink, this is owing to containing known to resinous principle in its low-melting ink vehicle; When the ratio containing siccative oil in low-melting ink vehicle increases, the rate of drying of ink is corresponding to slow down.
In addition, the drying property of ink is also subject to the impact of multiple factors, and the rate of drying of ink is changed.
1. pigment is on the impact of drying property
The oxidative polymerization of ink is deposited in the solid dispersed phase such as pigment and stopping composition and is carried out in case.
The oxidative polymerization impact of different pigment on ink is different.
Some pigment is inertia, does not significantly affect the drying property of ink.
Dry effect urged by some pigment, they urge dry mechanism similar to siccative, but urge dry ability much weak.
The oxypolymerization drying of most pigment dyestuff to ink has inhibition, when particularly containing the groups such as phenol, phenol, naphthols, amine, aniline in pigment molecule structure, low-melting ink vehicle can be suppressed to carry out oxidative polymerization.
So the ink of the air drying type prepared with these pigment.
The pigment that the pigment of the obstruction printing ink oxidization drying that rate of drying is more common also has carbon black, titanium white, azophloxine and phosphorus tungsten salt to precipitate.
In ink, the ratio of pigment applications and dispersity thereof are also related to the power of ink penetration ability and the dry speed of infiltration.
The usage ratio of pigment is large, and particle is fine and smooth, large to the inhibition of low-melting ink vehicle infiltration when being uniformly dispersed, and the capillary action that pigment particles is formed is strong, so the penetrating power of low-melting ink vehicle weakens, corresponding ink setting also declines.
2. ink auxiliary is on the impact of drying property
To add in ink in printing process and write from memory auxiliary to adjust printability.
The composition of various auxiliary and different in kind, also different on the impact of ink setting.
Except the speed that siccative can improve printing ink oxidization conjunctival xerosis, other auxiliary some can accelerate the rate of drying of ink, some can suppress the drying of ink, and the rate of drying of ink is slowed down.
3. temperature is on the impact of drying
The temperature of printing environment raises, and the rate of drying of ink is accelerated.
About temperature often raises 10 DEG C, and the time needed for printing ink oxidization drying can shorten half.When temperature raises, the chemically reactive of material molecule increases, and the reaction rate accelerates of siccative oil molecule and oxygen, in oxidative polymerization, the turnout of superoxide also increases, and can accelerate the polymerization of oil molecule like this.
In addition, when temperature raises, molecular motion velocities is accelerated, and energy increases, and can improve the evaporation rate of solvent in low-melting ink vehicle, thus improves drying property and the rate of drying of volatile dry type ink.
4. humidity is on the impact of drying property
The impact of humidity on ink setting of printing environment is larger.
When envrionment temperature raises, the rate of drying of ink slows down.The height major effect printing ink oxidization conjunctival xerosis speed of relative humidity.
When this is the content rising due to water vapor in air, in air, the chemical vigor of oxygen weakens, also relatively with the amount of oxygen of ink contact to reduce, the water content also corresponding raising of paper, compared with time lower with relative humidity, paper reduces the absorbed dose of low-melting ink vehicle, makes ink penetration, cohesion ability also declines to some extent, cause the drying property of ink to weaken.
5. the performance of paper is on the impact of drying property
The property of paper is tender is one of important factor affecting ink setting.
The water content of paper, absorbency, tightness and the infiltration capacity of degree of sizing and ink and the speed of infiltration closely related, these performances of paper are different, affects the speed of the dry and cohesion drying of ink penetration.
When the water content of paper is too high, the evaporation of moisture can hinder the carrying out of oxidative polymerization, slow down the rate of drying of ink.
So the power of the drying property that ink shows after the printed on paper of different in kind is all not identical.
Except above influence factor, also have the acidity of wetting liquid to the impact of drying, the thickness of printing layer of ink and the number of times of folded ink print are on the impact etc. of drying, and the drying property of different printing environments to ink also has a certain impact.
The air circulation of printing environment, make the content of oxygen in air sufficient, and oxygen constantly can be supplemented, thus the oxidative polymerization speed of ink is accelerated.
In addition, air circulation also can improve the evaporation rate of solvent, and the ability of ink volatile dry is strengthened.
6 physico-chemical properties
The physico-chemical property of ink mainly refers to its density, fineness, transparency, glossiness, photostabilization, thermotolerance and acid-and base-resisting, water, solvent (alcohol) property.
(1) density
When density refers to 20 DEG C, the weight of unit volume ink.Represent with g/cm3.The density of ink is decided by kind and the ratio thereof of the raw material applied in ink, and is subject to the impact of outside temperature.
The density of ink and typography have certain relation.
The density relationship of ink is to the consumption of ink in printing process.
Under identical printing condition, the ink usage that density is large is greater than the little ink of density.
The density of ink is excessive, mainly because ink in pigment density greatly caused by.
In printing process, because low-melting ink vehicle cannot shift together with the granules of pigments that dynamic density is excessive, make the solid particulates such as pigment be deposited in ink roller, forme or blanket surface, form stifled version phenomenon.
Particularly high speed printing or ink dilution larger time, use the large ink of density more easily to occur this phenomenon.
Meanwhile, the ink that density is large and the little ink of density used in combination time, if the two gap is excessive, easily produce mass colour demixing phenomenon.
The ink that density is little floats, and the sinking that density is large, makes the color of ink pellet surface be partial to the little ink of density, and the color of bottom ink is then partial to the large ink of density.
Generally, the density of printing-ink is between 1g/cm3 to 2.25g/cm3.
(2) fineness
Fineness refers to the degree of the dispersion of the pressed powder such as pigment, stopping composition in low-melting ink vehicle in ink, also known as dispersity.
It show that the size of solid particulate in ink and particle distribute in low-melting ink vehicle all and degree.
The fineness of ink shows the trickle of solids well, and in ink, solids is evenly distributed.
The fineness of ink is decided by that low-melting ink vehicle stirs the wetness degree of the solids such as pigment and ink, it is good to roll the fineness of grinding rear ink.
The fineness of ink is related to rheological, the printability such as degree of mobilization and stability of ink, is a very important quality index.
The fineness of ink is poor, and particle is thick, can cause stifled version phenomenon in printing.
The phenomenon of damaging forme and scraper can be caused in offset lithography and gravure.
And due to the dispersion of pigment uneven, the intensity of ink colors can not be not fully exerted, affect ink tinting strength and dry after the bright degree of ink film.
(3) transparency
Transparency refers to that ink produces the degree of refraction (transmission) to incident beam.
When transparency refers to that ink is uniformly coated into film like in printing, the degree that the background color bearing object manifests can be made.
The transparency of ink is low, when background color can not be made to manifest completely, just can hide, background color so this performance of ink is also called opacifying power to a certain extent.
Inversely, when transparency hides certain background color completely with ink, the thickness of ink layer represents, thickness is larger, shows that the transparency of ink is better, opacifying power is lower for the transparency of ink and opacifying power.
Transparency depends on the difference of pigment and low-melting ink vehicle specific refractory power in ink, and relevant with the dispersity of pigment.
The refractive index difference of pigment and low-melting ink vehicle is less, and the dispersity of pigment in low-melting ink vehicle is better, then the transparency of ink is higher.
(4) glossiness
After glossiness refers to the ink setting of printed matter surface, under irradiate light, the ability of reflection ray in same direction set.
It is large that the ink that glossiness is high shows as brightness on printed matter.
Glossiness depends mainly on kind and the character of low-melting ink vehicle in ink, the process of refining process and the dried smooth degree of ink film during ink manufactures.
In addition the glossiness of ink is also subject to the character of pigment in ink composition, the size shape of particle and the impact of dispersity; The impact of the performance such as permeability, levelling property, drying property of ink; Impact of printed substrate etc.
(5) photostabilization
Photostabilization refers to that ink is under fluorescent lamp irradiates, the ability that color does not change.
The photostabilization of ink indicates printed matter and fades under irradiate light or the degree of variable color.
Though through daylight long-term irradiation after the ink printing that photostabilization is strong, it is little that printed matter takes off discoloration; Its printed matter of the ink of photostabilization difference easily takes off variable color, and even color can fade away completely.
In the classification of ink, 8 grades least easily take off variable color, and photostabilization is best.
The photostabilization of ink depends primarily on pigment.The photostabilization of ink without impact, is mainly related to the use procedure of printed matter on printing process.
(6) thermotolerance
The ability that when thermotolerance refers to that ink is heated, color does not change.
Thermotolerance indicates by force printed matter when being heated to higher temperature, and ink can not produce metachromatism.
The thermotolerance of ink depends primarily on kind and the performance of pigment and low-melting ink vehicle.Some pigment not only produces variable color when heating, and even changes.
(7) acid-and base-resisting, water, solvent (alcohol) property
This performance refers to that ink is under the effect of acid, alkali, water, alcohol or other solvents, and the ability that color and performance do not change, is also called chemical resistant properties or the resistance of ink.
The chemical resistant properties of ink is strong, and under the effect of the materials such as acid, alkali, the character of colors and inks can not change.
The chemical resistant properties of ink is determined by the kind of pigment and low-melting ink vehicle and performance, and relevant with the state that pigment and low-melting ink vehicle combine, relevant with the stability of ink.
One-tenth is grouped into: colorant ... 40%
Binder ... 50%
Stopping composition ... 2%
Thinner ... 3%
Anti skinning agent ... 1%
Anti-reverse-printed agent ... 1%
Slip(ping)agent ... 2%
Dispersion agent ... 0.3%
Wetting agent ... 0.2%
Siccative ... 0.3%
Stablizer ... 0.2%.
Claims (6)
1. novel new formula PVC decorative material gravure ink (1) of the present invention is without solvent;
Rate of drying is fast, and power consumption is few;
Good luster, bright in luster;
Water-fast, solvent resistant, wear resisting property is good;
In UV ink, light trigger is novelly subject to light activated compound;
After absorb light is shone, be excited into free radical, energy trasfer, to photosensitivity molecule or photocrosslinking agent, makes UV ink that photocuring reaction occur.
2. UV ink has become novel more ripe ink technology at present, and its pollutant emission is almost nil; Except not containing solvent, UV ink also just like not easily scumming, the advantages such as site is clear, the bright-coloured light of mass colour, and chemical resistance is excellent, low-consuming;
Prepolymer viscosity in common UV ink is general all very large, need add reactive thinner dilution; And the thinner acrylic ester compound used at present has skin irritation in various degree and toxicity, therefore while development low-viscosity prepolymer and hypotoxicity reactive thinner, another developing direction is research water-based UV ink, namely using water and ethanol etc. as thinner;
The novel new formula PVC decorative material gravure ink of the present invention mainly contains following three kinds of forms;
The non-thermosettable rotary ink that the novel new formula PVC decorative material gravure ink high speed web press of the present invention uses, generally to permeate drying, main print newspapers, periodical;
Oxypolymerization is dry; Low-melting ink vehicle in ink and the oxygen polymerization reaction take place in air, dry at stock surface filming;
Offset printing light resin ink, bright-colored, glossiness is good, mainly dry based on oxypolymerization, for printing high-grade meticulous Offset Printing Products;
Volatile dry; Part low-melting ink vehicle in ink, evaporate in air, remaining low-melting ink vehicle together with pigment anchor at stock surface and dry.
3. the novel new formula PVC decorative material gravure ink gravure printing ink volatile-type solvent of the present invention is low-melting ink vehicle, and low-melting ink vehicle used is the benzene, the dimethylbenzene that human body are had to harm;
Having have developed with water is at present the water color ink of solvent, for gravure and flexographic printing, decreases the pollution to environment, rising; The ink of volatile dry is particularly suitable for printing does not have absorbefacient thin-film material, as plastics film, tinsel etc.;
The drying of much ink is usually that two kinds of dried forms have combined ink film drying;
In printing process, if the underdry of ink, the printing troubles such as the tarnish of detecting back sides of printed sheets set-off, page sticking, ink film, ink " crystallization " will be caused;
In order to accelerate the rate of drying of ink, siccative can be added in ink;
Conventional siccative has: the dry oil of cobalt, the dry oil of manganese, plumbous dry wet goods; In order to reduce the rate of drying of ink, drying retarder can be added in ink;
The drying property of ink is mainly determined by the kind of low-melting ink vehicle and character thereof; When the model of ink or kind difference, the composition of low-melting ink vehicle is different, and its dried forms is not identical with drying property yet.
4., if the drying property of resin type ink is higher than oil type ink, this is owing to containing known to resinous principle in its low-melting ink vehicle; When the ratio containing siccative oil in low-melting ink vehicle increases, the rate of drying of ink is corresponding to slow down.
5. the drying property of the novel new formula PVC decorative material gravure ink ink of the present invention is also subject to the impact of multiple factors, and the rate of drying of ink is changed;
Pigment is on the impact of drying property
The oxidative polymerization of ink is deposited in the solid dispersed phase such as pigment and stopping composition and is carried out in case;
The oxidative polymerization impact of different pigment on ink is different;
Some pigment is inertia, does not significantly affect the drying property of ink;
Dry effect urged by some pigment, they urge dry mechanism similar to siccative, but urge dry ability much weak;
The oxypolymerization drying of most pigment dyestuff to ink has inhibition, when particularly containing the groups such as phenol, phenol, naphthols, amine, aniline in pigment molecule structure, low-melting ink vehicle can be suppressed to carry out oxidative polymerization;
So the ink of the air drying type prepared with these pigment;
The pigment that the pigment of the obstruction printing ink oxidization drying that rate of drying is more common also has carbon black, titanium white, azophloxine and phosphorus tungsten salt to precipitate;
In ink, the ratio of pigment applications and dispersity thereof are also related to the power of ink penetration ability and the dry speed of infiltration;
The usage ratio of pigment is large, and particle is fine and smooth, large to the inhibition of low-melting ink vehicle infiltration when being uniformly dispersed, and the capillary action that pigment particles is formed is strong, so the penetrating power of low-melting ink vehicle weakens, corresponding ink setting also declines;
Ink auxiliary is on the impact of drying property
To add in ink in printing process and write from memory auxiliary to adjust printability;
The composition of various auxiliary and different in kind, also different on the impact of ink setting;
Except the speed that siccative can improve printing ink oxidization conjunctival xerosis, other auxiliary some can accelerate the rate of drying of ink, some can suppress the drying of ink, and the rate of drying of ink is slowed down;
Temperature is on the impact of drying
The temperature of printing environment raises, and the rate of drying of ink is accelerated;
About temperature often raises 10 DEG C, and the time needed for printing ink oxidization drying can shorten half; When temperature raises, the chemically reactive of material molecule increases, the reaction rate accelerates of siccative oil molecule and oxygen, and in oxidative polymerization, the turnout of superoxide also increases, and can accelerate the polymerization of oil molecule like this;
In addition, when temperature raises, molecular motion velocities is accelerated, and energy increases, and can improve the evaporation rate of solvent in low-melting ink vehicle, thus improves drying property and the rate of drying of volatile dry type ink;
Humidity is on the impact of drying property
The impact of humidity on ink setting of printing environment is larger;
When envrionment temperature raises, the rate of drying of ink slows down; The height major effect printing ink oxidization conjunctival xerosis speed of relative humidity;
When this is the content rising due to water vapor in air, in air, the chemical vigor of oxygen weakens, also relatively with the amount of oxygen of ink contact to reduce, the water content also corresponding raising of paper, compared with time lower with relative humidity, paper reduces the absorbed dose of low-melting ink vehicle, makes ink penetration, cohesion ability also declines to some extent, cause the drying property of ink to weaken;
The performance of paper is on the impact of drying property
The property of paper is tender is one of important factor affecting ink setting;
The water content of paper, absorbency, tightness and the infiltration capacity of degree of sizing and ink and the speed of infiltration closely related, these performances of paper are different, affects the speed of the dry and cohesion drying of ink penetration;
When the water content of paper is too high, the evaporation of moisture can hinder the carrying out of oxidative polymerization, slow down the rate of drying of ink;
So the power of the drying property that ink shows after the printed on paper of different in kind is all not identical.
6. the novel new formula PVC decorative material gravure ink of the present invention is except above influence factor, also has the acidity of wetting liquid to the impact of drying, the thickness of printing layer of ink and the number of times of folded ink print are on the impact etc. of drying, and the drying property of different printing environments to ink also has a certain impact;
The air circulation of printing environment, make the content of oxygen in air sufficient, and oxygen constantly can be supplemented, thus the oxidative polymerization speed of ink is accelerated;
In addition, air circulation also can improve the evaporation rate of solvent, and the ability of ink volatile dry is strengthened;
Physico-chemical property
The physico-chemical property of ink mainly refers to its density, fineness, transparency, glossiness, photostabilization, thermotolerance and acid-and base-resisting, water, solvent (alcohol) property;
The novel new formula PVC decorative material gravure ink of the present invention becomes to be grouped into:
Colorant ... 40%
Binder ... 50%
Stopping composition ... 2%
Thinner ... 3%
Anti skinning agent ... 1%
Anti-reverse-printed agent ... 1%
Slip(ping)agent ... 2%
Dispersion agent ... 0.3%
Wetting agent ... 0.2%
Siccative ... 0.3%
Stablizer ... 0.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310678517.1A CN104710855A (en) | 2013-12-14 | 2013-12-14 | Novel new formula PVC decorative material gravure printing ink |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310678517.1A CN104710855A (en) | 2013-12-14 | 2013-12-14 | Novel new formula PVC decorative material gravure printing ink |
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| CN104710855A true CN104710855A (en) | 2015-06-17 |
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| CN201310678517.1A Pending CN104710855A (en) | 2013-12-14 | 2013-12-14 | Novel new formula PVC decorative material gravure printing ink |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357218A (en) * | 2018-02-07 | 2018-08-03 | 福建鸣友新材料科技有限公司 | A kind of anti-fake carbon ribbon of thermal transfer and its retracting device |
| CN112078263A (en) * | 2020-09-09 | 2020-12-15 | 深圳市优印印刷有限公司 | Metallic texture color printing method for digital printing |
| CN112646413A (en) * | 2020-09-25 | 2021-04-13 | 东莞市万润涂料有限公司 | Novel MY-R soft PVC gravure ink and preparation method thereof |
| CN116082882A (en) * | 2022-12-06 | 2023-05-09 | 电子科技大学长三角研究院(湖州) | Environment-friendly printing ink and printing process |
-
2013
- 2013-12-14 CN CN201310678517.1A patent/CN104710855A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357218A (en) * | 2018-02-07 | 2018-08-03 | 福建鸣友新材料科技有限公司 | A kind of anti-fake carbon ribbon of thermal transfer and its retracting device |
| CN108357218B (en) * | 2018-02-07 | 2020-09-01 | 福建鸣友新材料科技有限公司 | Recovery unit of anti-fake carbon ribbon of heat-transfer seal |
| CN112078263A (en) * | 2020-09-09 | 2020-12-15 | 深圳市优印印刷有限公司 | Metallic texture color printing method for digital printing |
| CN112646413A (en) * | 2020-09-25 | 2021-04-13 | 东莞市万润涂料有限公司 | Novel MY-R soft PVC gravure ink and preparation method thereof |
| CN116082882A (en) * | 2022-12-06 | 2023-05-09 | 电子科技大学长三角研究院(湖州) | Environment-friendly printing ink and printing process |
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